Official Paper

MP Forest Guard/Jail Prahari Combined Exam Official Paper (Held On: 05 Jun, 2023 Shift 3) (Previous Year Paper)

100 questions · 120 minutes · with answers · free

Test (100 questions)

1

Which of the following the country does not share land boundary with India?

  1. ((a))

    Myanmar

  2. ((b))

    Sri Lanka

  3. ((c))

    Nepal

  4. ((d))

    Bangladesh

Show Answer
Answer: ((b))

Sri Lanka

The correct answer is Sri Lanka.

Key Points

  • India shares its land boundaries with seven countries – Pakistan, China, Nepal, Bhutan, Bangladesh, Myanmar, and Afghanistan (through the PoK region).
  • Sri Lanka, though geographically close to India, does not share a land boundary with it. Instead, the two countries are separated by the Palk Strait and the Gulf of Mannar.
  • The shortest distance between India and Sri Lanka is approximately 30 kilometers, specifically between Dhanushkodi (Tamil Nadu) and Talaimannar (Sri Lanka).
  • In contrast, Myanmar, Nepal, and Bangladesh share clearly defined land borders with India, making them neighbors in the truest sense.
  • The absence of a land boundary between India and Sri Lanka is why the correct answer is Sri Lanka.

Additional Information

  • India's Land Boundaries:
  • India has a total land boundary length of approximately 15,200 kilometers.
  • The longest land border is shared with Bangladesh (4,096.7 km), while the shortest is with Afghanistan (106 km).
  • Other neighboring countries include Pakistan (3,323 km), China (3,488 km), Nepal (1,751 km), Bhutan (699 km), and Myanmar (1,643 km).
  • Sri Lanka's Geographical Connection with India:
  • Sri Lanka is separated from India by the Palk Strait and the Gulf of Mannar.
  • A historical land connection known as Adam's Bridge (or Ram Setu) is believed to have existed between India and Sri Lanka. The structure now consists of a chain of limestone shoals.
  • Adam's Bridge stretches between Dhanushkodi (India) and Mannar Island (Sri Lanka).
  • India-Sri Lanka Relations:
  • Despite not sharing a land border, India and Sri Lanka have strong cultural, historical, and economic ties.
  • Bilateral trade, tourism, and cultural exchanges are key aspects of their relationship.
  • Both nations are members of regional organizations like SAARC and BIMSTEC.
  • Neighboring Countries with Land Borders:
  • Myanmar: Shares a land boundary with four northeastern Indian states – Arunachal Pradesh, Nagaland, Manipur, and Mizoram.
  • Nepal: Shares a land border with five Indian states – Uttarakhand, Uttar Pradesh, Bihar, West Bengal, and Sikkim.
  • Bangladesh: Shares a land border with five Indian states – West Bengal, Assam, Meghalaya, Tripura, and Mizoram.

Important Points

  • Strategic Importance of Sri Lanka:
  • Sri Lanka's location in the Indian Ocean makes it strategically important for India, especially in terms of maritime security and trade routes.
  • The island nation is a significant player in the Indian Ocean Region (IOR) and plays a critical role in India’s ‘Neighborhood First’ policy.
  • International Waters:
  • The waters separating India and Sri Lanka are part of the Indian Ocean and are heavily used for trade and fishing.
  • Both nations have agreements for the management of maritime disputes and environmental protection in the region.
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2

Tera Tali is one of the most popular folk dances of _______.

  1. ((a))

    Rajasthan

  2. ((b))

    Tamil Nadu

  3. ((c))

    Kerala

  4. ((d))

    Karnataka

Show Answer
Answer: ((a))

Rajasthan

The correct answer is Rajasthan.

Key Points

  • Tera Tali is one of the most famous folk dances of Rajasthan, known for its unique and vibrant performance style.
  • This dance is primarily performed by women belonging to the Kamar tribe, who are known for their traditional artistry and cultural heritage.
  • In Tera Tali dance, performers tie thirteen manjiras (metal cymbals) to various parts of their body, such as hands, legs, and waist, and skillfully strike them in rhythm while dancing.
  • The dance is performed sitting on the floor, with intricate movements of the cymbals synchronized to the accompanying folk music.
  • Tera Tali is often performed in temples as a form of devotional offering to deities, showcasing the deep spiritual connection of the dance to Rajasthan's religious traditions.

Additional Information

  • Other Folk Dances of Rajasthan:
  • Ghoomar: A traditional dance performed by women, characterized by graceful circular movements and colorful attire.
  • Kalbeliya: Performed by the Kalbeliya community, this dance mimics the movements of snakes and is recognized internationally for its unique style.
  • Chari Dance: In this dance, performers balance brass pots on their heads while executing intricate movements.
  • Bhavai: A balancing act performed by women, involving earthen pots stacked on their heads.
  • Significance of Folk Dances:
  • Folk dances represent the cultural identity and heritage of a region, showcasing its traditions, beliefs, and way of life.
  • They are performed during festivals, weddings, and religious ceremonies, adding to the vibrancy of such events.
  • These dances often narrate stories or depict scenes from everyday life, mythology, or history.
  • Features of Tera Tali Dance:
  • Manjiras: The metal cymbals are the hallmark of Tera Tali, used to create rhythmic sounds.
  • Costumes: Performers wear traditional Rajasthani attire, often adorned with intricate embroidery and mirror work.
  • Music: The dance is accompanied by folk songs sung in praise of deities or highlighting local folklore.
  • Cultural Importance of Rajasthan:
  • Rajasthan is known as the land of kings, with a rich cultural history reflected in its art, architecture, music, and dance.
  • Its folk dances and music play a crucial role in preserving the identity and traditions of various communities.

Important Points

  • Rajasthan:
  • Rajasthan is India's largest state by area, with Jaipur as its capital.
  • The state is famous for its deserts, forts, palaces, and vibrant culture.
  • It is also home to several UNESCO World Heritage Sites, such as Jantar Mantar and the Hill Forts of Rajasthan.
  • Importance of Folk Arts:
  • Folk arts play a pivotal role in promoting tourism and creating awareness about local traditions.
  • They contribute to the economic well-being of artists and artisans.
  • Preserving folk arts ensures the survival of ancient knowledge and practices.
3

Pavri Nach is a dance performed by the Kokna tribe in the hilly regions of northwest _________

  1. ((a))

    Assam

  2. ((b))

    Maharashtra

  3. ((c))

    Rajasthan

  4. ((d))

    Karnataka

Show Answer
Answer: ((b))

Maharashtra

The correct answer is Maharashtra.

Key Points

  • Pavri Nach is a traditional folk dance performed by the Kokna tribe, residing predominantly in the hilly regions of northwest Maharashtra.
  • The dance is primarily performed during harvest celebrations and other festive occasions, reflecting the agrarian lifestyle and cultural vibrancy of the Kokna tribe.
  • Pavri Nach is accompanied by the use of a wind instrument called Pavri (flute), which gives the dance its name and sets the rhythm for the performers.
  • The Kokna tribe, known for their rich cultural heritage, includes elements of ritualistic expressions and storytelling in their dance forms, making Pavri Nach a significant part of their traditions.
  • This dance serves as a medium to exhibit the unity and communal spirit of the tribe, showcasing their joyful connection with nature and agricultural prosperity.

Additional Information

  • Kokna Tribe:
  • The Kokna tribe is an indigenous community residing in Maharashtra, Gujarat, and Dadra and Nagar Haveli regions.
  • They predominantly live in hilly terrains and forested areas, engaging in farming and other forest-related activities for livelihood.
  • The Kokna people follow a unique blend of animistic and Hindu traditions, and their festivals, rituals, and dances are deeply rooted in their connection with nature.
  • They often incorporate traditional attire and accessories during performances, reflecting their cultural identity.
  • Other Folk Dances of Maharashtra:
  • Lavani: A popular dance form that combines traditional music and dance, often performed during cultural events.
  • Dhangari Gaja: A dance performed by shepherd communities, showcasing their daily lives and devotion to gods.
  • Koli Dance: A folk dance of the Koli fishing community, reflecting their lifestyle and occupation.
  • Importance of Folk Dances:
  • Folk dances like Pavri Nach preserve the cultural heritage of indigenous communities.
  • They serve as a medium to pass down oral traditions and historical narratives to younger generations.
  • These dances often act as a tool to foster community bonding and express collective emotions.
  • Geography of Northwest Maharashtra:
  • This region is characterized by hilly terrains, dense forests, and fertile lands, supporting a variety of agricultural practices.
  • The Kokna tribe thrives in this ecological setup, relying on natural resources and traditional farming methods.
  • The Western Ghats play a significant role in shaping the cultural and environmental aspects of this area.

Important Points

  • Key Characteristics of Pavri Nach:
  • This dance is an expression of gratitude towards nature and agricultural prosperity.
  • The performers use traditional instruments, such as Pavri (flute), to create enchanting melodies during the dance.
  • Pavri Nach is often performed in groups, emphasizing collective participation and harmony.
  • Role of Folk Dances in Indian Culture:
  • Folk dances help preserve regional identities and promote cultural diversity.
  • They are integral to community celebrations, religious rituals, and seasonal festivals.
  • Promoting such dances can boost tourism and provide economic opportunities for local communities.
4

Which national park was Declared a wildlife reserve in 1955?

  1. ((a))

    Jim Corbett National Park

  2. ((b))

    South Button National Park

  3. ((c))

    Sariska National Park

  4. ((d))

    Patalpani National Park

Show Answer
Answer: ((c))

Sariska National Park

The correct answer is Sariska National Park.

Key Points

  • Sariska National Park was declared a wildlife reserve in 1955, located in the Alwar district of Rajasthan, India.
  • It is famous for its population of Bengal Tigers and is part of India's Project Tiger initiative.
  • The park covers an area of approximately 800 square kilometers, including dry deciduous forests and grasslands.
  • Sariska National Park is surrounded by the Aravalli Hills, making it a biodiversity hotspot with varied flora and fauna.
  • The park serves as a protected habitat for numerous species, including leopards, hyenas, sambhar, chinkaras, and over 200 bird species.

Additional Information

  • Jim Corbett National Park:
  • Established in 1936 as Hailey National Park, it is the oldest national park in India.
  • Located in Uttarakhand, it is famous for its tiger population and is a key part of Project Tiger.
  • Covers an area of approximately 520 square kilometers and is known for its rich biodiversity.
  • South Button National Park:
  • Located in the Andaman and Nicobar Islands, it was declared a national park in 1977.
  • This park is renowned for its marine biodiversity, including coral reefs and fish species.
  • Patalpani National Park:
  • Not officially recognized as a national park; it is a scenic waterfall located in Madhya Pradesh, India.
  • Popular among tourists for its natural beauty, but it lacks wildlife reserve status.
  • Project Tiger:
  • Launched in 1973 by the Government of India to conserve Bengal Tigers and their habitats.
  • Focused on reducing human-wildlife conflict and improving forest management.
  • Sariska National Park is one of the Project Tiger reserves.

Important Points

  • Sariska Tiger Reserve:
  • Sariska faced a major crisis in 2004 when poaching led to the disappearance of tigers.
  • In 2008, it became the first reserve in India to relocate tigers successfully from another reserve (Ranthambore).
  • Wildlife Protection Act, 1972:
  • This act provides the framework for wildlife conservation in India, including the establishment of national parks and reserves.
  • Sariska National Park benefits from the legal protections under this act.
  • Biodiversity in Sariska:
  • The park is home to several medicinal plants and endangered species, contributing to ecological balance.
  • It also houses historical structures like the Kankwari Fort, adding cultural significance to the area.
5

Ajanta caves(Maharashtra) were tagged as the UNESCO World Heritage Sites in _______.

  1. ((a))

    1983

  2. ((b))

    1987

  3. ((c))

    1966

  4. ((d))

    1999

Show Answer
Answer: ((a))

1983

The correct answer is 1983.

Key Points

  • The Ajanta Caves, located in the Aurangabad district of Maharashtra, were designated as a UNESCO World Heritage Site in 1983 owing to their exceptional cultural and historical significance.
  • These caves are a group of rock-cut Buddhist monuments dating back to the 2nd century BCE to about 480 CE, showcasing some of the finest surviving examples of ancient Indian art, particularly Buddhist religious art.
  • The site includes 29 caves carved into a horseshoe-shaped cliff along the Waghora River, and they were created in two phases: the early phase (2nd century BCE) and the later phase (5th–6th century CE).
  • The paintings and sculptures in the Ajanta Caves primarily depict Buddhist religious themes, including the life of the Buddha and tales from the Jataka stories, along with depictions of deities and celestial beings.
  • The recognition of the Ajanta Caves by UNESCO underscores their importance as a treasure of Indian cultural heritage, and they continue to attract scholars, artists, and tourists from around the world.

Additional Information

  • Ajanta Caves - Artistic Features:
  • The murals in the Ajanta Caves are among the earliest and finest surviving examples of Indian wall painting, showcasing intricate detailing and mastery in the use of natural dyes and pigments.
  • The sculptures are equally remarkable, portraying serene expressions and intricate carvings that reflect the influence of Gupta art.
  • The caves are divided into Chaityagrihas (prayer halls) and Viharas (monasteries), serving as centers for prayer, education, and meditation.
  • UNESCO World Heritage Sites:
  • The UNESCO World Heritage Site tag is awarded to landmarks or areas with cultural, historical, scientific, or other forms of significance, and they are protected by international treaties.
  • India has a total of 40 UNESCO World Heritage Sites as of 2023, including cultural, natural, and mixed heritage sites.
  • Other Prominent Indian UNESCO Sites:
  • Ellora Caves: Located near the Ajanta Caves, these are another set of rock-cut caves representing a combination of Buddhist, Hindu, and Jain influences.
  • Khajuraho Group of Monuments: Famous for their stunning erotic sculptures and intricate carvings, these temples in Madhya Pradesh were recognized as a UNESCO site in 1986.
  • Sun Temple, Konark: A 13th-century CE temple in Odisha, dedicated to the Sun God, known for its architectural grandeur and carvings.
  • Important Points to Note:
  • The Ajanta Caves were rediscovered in 1819 by a British officer named John Smith during a hunting expedition.
  • The caves are a testament to the flourishing Buddhist culture during ancient India and are considered an architectural marvel of their time.
  • India’s efforts to preserve the Ajanta Caves include restoration projects and measures to protect the site from environmental and human-induced damage.
6

Which of the following is the only mixed (natural and cultural) UNESCO World Heritage Sites in India?

  1. ((a))

    Khangchendzonga National Park

  2. ((b))

    Champaner-Pavagadh Archaeological Park

  3. ((c))

    Rani-ki-Vav (the Queen’s Stepwell)

  4. ((d))

    Jantar-Mantar Jaipur

Show Answer
Answer: ((a))

Khangchendzonga National Park

The correct answer is Khangchendzonga National Park.

Key Points

  • Khangchendzonga National Park is India's only mixed UNESCO World Heritage Site, recognized for both its natural and cultural significance.
  • Located in the state of Sikkim, the park covers a vast area of approximately 1,784 square kilometers, encompassing diverse ecosystems, including glaciers, forests, and alpine meadows.
  • The site was inscribed as a UNESCO World Heritage Site in 2016 under the mixed category for its exceptional biodiversity and the cultural traditions of the indigenous communities.
  • The park is named after the majestic Mount Khangchendzonga, the third-highest mountain in the world, which holds spiritual significance for the local communities.
  • The cultural aspect of the site is deeply rooted in the beliefs and practices of the indigenous Lepcha people, who consider the mountains sacred and incorporate their reverence into rituals and folklore.
  • The flora and fauna of the park include rare and endangered species such as the Snow Leopard, Red Panda, Himalayan Musk Deer, and various species of orchids and rhododendrons.

Additional Information

  • UNESCO World Heritage Sites:
  • UNESCO designates sites under three categories: natural, cultural, and mixed.
  • Mixed sites, like Khangchendzonga National Park, are rare and represent both outstanding natural phenomena and cultural traditions.
  • India has a total of 40 UNESCO World Heritage Sites as of 2023, including cultural sites like the Taj Mahal and natural sites like Sundarbans National Park.
  • Other UNESCO Sites Mentioned:
  • Champaner-Pavagadh Archaeological Park: A cultural site located in Gujarat, known for its historical monuments and Islamic architecture.
  • Rani-ki-Vav: A stepwell in Gujarat recognized for its intricate carvings and historical significance.
  • Jantar Mantar Jaipur: A cultural heritage site in Rajasthan, known for its astronomical instruments built during the 18th century.
  • Significance of Khangchendzonga National Park:
  • The park's biodiversity contributes significantly to conservation efforts for rare and endangered species.
  • Its sacred landscape embodies the intangible cultural heritage of the Lepcha people, making it unique among World Heritage Sites.
  • The designation as a mixed heritage site highlights the harmonious relationship between nature and culture.
  • Important Characteristics of Mixed Sites:
  • Mixed UNESCO sites represent outstanding universal value both in terms of their natural features and cultural traditions.
  • They often serve as examples of how cultural practices are influenced by and integrated with the surrounding natural environment.
  • Khangchendzonga National Park exemplifies this integration, showcasing its spiritual, ecological, and cultural significance.

Important Points

  • Global Recognition: Mixed sites like Khangchendzonga National Park demonstrate the global importance of preserving not only biodiversity but also cultural practices.
  • Conservation Efforts: The park is managed under strict conservation measures to protect its ecological and cultural heritage.
  • Spiritual Connection: Indigenous communities play a pivotal role in maintaining the cultural sanctity of the park, fostering sustainable practices.
  • Visitor Experience: Tourists visiting the park can witness its rich biodiversity, stunning landscapes, and cultural traditions, making it a unique destination.
7

Which one of the following caves is not included in the list of UNESCO world Heritage site?

  1. ((a))

    Borra caves

  2. ((b))

    Ajanta Caves

  3. ((c))

    Elephanta Caves

  4. ((d))

    Ellora Caves

Show Answer
Answer: ((a))

Borra caves

The correct answer is Borra Caves.

Key Points

  • Borra Caves, located in the Ananthagiri Hills of the Araku Valley, Andhra Pradesh, are famous for their stalactites and stalagmites formations. However, these caves are not listed as a UNESCO World Heritage Site.
  • The Ajanta Caves, situated in Maharashtra, are a UNESCO World Heritage Site and are known for their ancient Buddhist rock-cut architecture and exquisite wall paintings dating back to the 2nd century BCE.
  • The Elephanta Caves, located on Elephanta Island near Mumbai, are a UNESCO World Heritage Site and are renowned for their Hindu rock-cut sculptures dedicated to Lord Shiva, constructed around the 5th to 8th centuries.
  • Ellora Caves, also in Maharashtra, are listed as a UNESCO World Heritage Site and are famed for their multi-religious rock-cut structures, including Buddhist, Hindu, and Jain temples, dating from the 6th to 10th centuries.
  • While the Borra Caves are significant for tourism and geological studies, they lack the historical and cultural significance required for UNESCO World Heritage designation.

Additional Information

  • Borra Caves:
  • Located in the Ananthagiri Hills at an altitude of about 705 meters above sea level.
  • The caves were discovered in 1807 by William King, a British geologist.
  • They extend over an area of approximately 2 square kilometers and are known for their limestone formations.
  • The caves attract thousands of tourists annually for their natural beauty and are a significant site for geological research.
  • They are famous for their stalactites (formations hanging from the ceiling) and stalagmites (formations growing upward from the floor).
  • Ajanta Caves:
  • Located in Maharashtra, these caves are a UNESCO World Heritage Site since 1983.
  • The caves contain Buddhist monastic architecture and paintings that depict the Jataka tales.
  • They were excavated between the 2nd century BCE and 6th century CE.
  • The site consists of 30 caves, including prayer halls (Chaityas) and monasteries (Viharas).
  • Elephanta Caves:
  • These caves are located on Elephanta Island, about 10 kilometers east of Mumbai.
  • Designated as a UNESCO World Heritage Site in 1987.
  • Notable for the monolithic rock-cut sculptures dedicated to Lord Shiva.
  • The most famous sculpture is the Maheshmurti, depicting Shiva as the Creator, Preserver, and Destroyer.
  • Ellora Caves:
  • Situated near Aurangabad in Maharashtra, these caves were designated as a UNESCO World Heritage Site in 1983.
  • Contain 34 rock-cut structures, including Buddhist, Hindu, and Jain caves.
  • The most iconic structure is the Kailasa Temple, dedicated to Lord Shiva, carved out of a single rock.
  • The caves were built between the 6th and 10th centuries CE.

Important Points

  • Criteria for UNESCO World Heritage Sites:
  • A site must exhibit outstanding universal value in terms of cultural or natural heritage.
  • It should fulfill at least one of the ten criteria defined by UNESCO, such as representing a masterpiece of human creativity or being associated with events of universal significance.
  • Sites are evaluated based on their authenticity, integrity, and historical importance.
  • Significance of Heritage Sites:
  • UNESCO World Heritage Sites are recognized globally for their cultural, historical, or natural importance.
  • They are protected under the World Heritage Convention, adopted in 1972.
  • India has 40 UNESCO World Heritage Sites, including cultural, natural, and mixed heritage sites.
8

Who out of the following is the Union Minister of Law and Justice?

  1. ((a))

    Dr. Subrahmanyam Jaishankar

  2. ((b))

    Kiren Rijiju

  3. ((c))

    Prakash Javadekar

  4. ((d))

    Dr. Harsh Vardhan

Show Answer
Answer: ((b))

Kiren Rijiju

The correct answer is Kiren Rijiju.

Key Points

  • Kiren Rijiju is the Union Minister of Law and Justice in the Government of India.
  • He assumed the office of Minister of Law and Justice on July 7, 2021.
  • Before this, he served as the Minister of State (Independent Charge) for Youth Affairs and Sports and as the Minister of State for Home Affairs.
  • Kiren Rijiju is a Member of Parliament (MP) from the Arunachal West constituency in Arunachal Pradesh and is associated with the Bharatiya Janata Party (BJP).
  • As the Union Minister of Law and Justice, he plays a key role in overseeing the legislative and judicial framework of the country, ensuring that laws align with the Constitution of India.

Additional Information

  • Union Ministry of Law and Justice:
  • This ministry is responsible for the legislative activities of the Indian Parliament and the implementation of laws.
  • It oversees the functioning of the Supreme Court, High Courts, and other subordinate courts across the country.
  • It also drafts and implements new laws in accordance with the Constitution of India.
  • Roles and Responsibilities of the Minister:
  • The Union Minister of Law and Justice ensures that all legislative proposals meet the constitutional requirements.
  • The minister represents the Government of India in legal matters and defends the government's actions in courts if required.
  • They also supervise the functioning of key legal bodies like the Bar Council of India and National Legal Services Authority.
  • Profile of Kiren Rijiju:
  • Born on November 19, 1971, in Arunachal Pradesh, Kiren Rijiju is known for his active involvement in policymaking and governance.
  • He has earned a reputation as a dynamic and efficient leader, particularly for his contributions to the North-Eastern Region.
  • He has a legal background, which aligns well with his current portfolio as the Minister of Law and Justice.
  • Other Current Union Ministers:
  • Dr. Subrahmanyam Jaishankar: Minister of External Affairs.
  • Prakash Javadekar: Former Minister of Environment, Forest, and Climate Change (not in the current cabinet).
  • Dr. Harsh Vardhan: Former Minister of Health and Family Welfare (not in the current cabinet).

Important Points

  • Timeline of Events:
  • 2021: Kiren Rijiju was appointed as the Union Minister of Law and Justice, succeeding Ravi Shankar Prasad.
  • 2021 Union Cabinet Reshuffle: Several new appointments and reshuffles were made, emphasizing performance and regional representation.
  • Significance of the Ministry of Law and Justice:
  • It plays a crucial role in maintaining the rule of law in the country.
  • It ensures that India's legal framework aligns with democratic principles and human rights.
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9

Which personality of Madhya Pradesh is known by the nickname "Ek Bhartiya Aatma"?

  1. ((a))

    Mohan Rakesh

  2. ((b))

    Makhanlal Chaturvedi

  3. ((c))

    Ashok kumar

  4. ((d))

    Narendra Hirwani

Show Answer
Answer: ((b))

Makhanlal Chaturvedi

The correct answer is Makhanlal Chaturvedi.

Key Points

  • Makhanlal Chaturvedi, also known as "Ek Bhartiya Aatma," was a celebrated poet, writer, and freedom fighter from Madhya Pradesh.
  • He was born on 4 April 1889 in Babai, Hoshangabad district of Madhya Pradesh and is considered one of the prominent literary figures in Indian history.
  • He actively participated in the Indian freedom movement and used his literary works to inspire the spirit of nationalism among Indians.
  • Makhanlal Chaturvedi is renowned for his profound poetry, which reflects themes of patriotism, social reform, and the beauty of Indian culture.
  • He was awarded the first Sahitya Akademi Award in 1955 for his poetic work "Him Taringini."
  • His contributions to Indian literature and nationalism earned him the title "Ek Bhartiya Aatma," symbolizing his embodiment of the Indian spirit.

Additional Information

  • Makhanlal Chaturvedi's Literary Contributions:
  • He was a prolific writer and poet with works such as "Sahitya ke Devata" and "Him Taringini" that gained immense popularity.
  • His writings emphasized themes like Indian independence, cultural pride, and social justice.
  • He edited several newspapers, including "Prabha" and "Karmaveer," to spread awareness about social and political issues.
  • Recognition and Awards:
  • Makhanlal Chaturvedi was honored with the Sahitya Akademi Award in 1955 for his poetry collection "Him Taringini."
  • In his remembrance, the Makhanlal Chaturvedi National University of Journalism and Communication was established in Bhopal, Madhya Pradesh.
  • Other Prominent Personalities from Madhya Pradesh:
  • Mohan Rakesh: A playwright and novelist known for his contributions to modern Hindi literature.
  • Ashok Kumar: A legendary Bollywood actor known for his versatile performances.
  • Narendra Hirwani: A former Indian cricketer who made an impressive debut with 16 wickets in a test match.
  • Freedom Movement Involvement:
  • Makhanlal Chaturvedi actively participated in the Non-Cooperation Movement and supported Mahatma Gandhi’s ideology of non-violence.
  • His writings served as a tool to inspire Indians to fight against British rule and strive for independence.

Important Points

  • Makhanlal Chaturvedi's Birthplace: He was born in Babai village, located in Hoshangabad district, Madhya Pradesh.
  • His Literary Style: His poetry and prose are characterized by deep patriotism, emotional intensity, and love for Indian culture.
  • Journalism Contributions: As an editor of newspapers like "Karmaveer," he played a vital role in raising awareness about political and social issues during British rule.
  • Legacy: His literary works and contributions to the freedom movement continue to inspire generations, and he remains a revered figure in Indian literature.
  • Establishment of University: To honor his legacy, the Makhanlal Chaturvedi National University of Journalism was established in Madhya Pradesh.
10

How many cities of Madhya Pradesh hosted the 5th Khelo Games?

  1. ((a))

    4

  2. ((b))

    6

  3. ((c))

    8

  4. ((d))

    10

Show Answer
Answer: ((c))

8

The correct answer is 8.

Key Points

  • The 5th edition of Khelo India Youth Games was hosted by Madhya Pradesh and held in multiple cities across the state.
  • A total of 8 cities hosted the events, showcasing the state’s commitment to promoting sports and infrastructure development.
  • The hosting cities included Bhopal, Indore, Gwalior, Jabalpur, Mandla, Ujjain, Balaghat, and Maheshwar. These cities were chosen strategically to cover different regions within the state.
  • The multi-sport event saw participation from numerous athletes across India, competing in a wide variety of sports disciplines.
  • The initiative was part of the Khelo India program, aimed at encouraging youth participation in sports and identifying talent at grassroots levels.

Additional Information

  • Khelo India Youth Games:
  • Launched under the Khelo India Scheme, the Youth Games aim to promote sports culture in India by encouraging young athletes to participate in competitive sports.
  • The program emphasizes grassroots sports development, providing financial aid, training, and infrastructure to budding athletes.
  • The games are held annually, covering various sports disciplines, including athletics, wrestling, swimming, badminton, and more.
  • The Khelo India initiative also includes a scholarship program, where talented athletes receive financial support for training and education.
  • Sports Infrastructure in Madhya Pradesh:
  • Madhya Pradesh has invested significantly in building sports facilities in cities like Bhopal and Indore, among others.
  • The state boasts several state-of-the-art stadiums, training centers, and academies for various sports.
  • These facilities played a key role in hosting the 5th Khelo India Youth Games successfully.
  • Multi-City Hosting:
  • The idea of hosting the games across 8 cities was aimed at ensuring widespread participation and spreading awareness about sports at the local level.
  • It also provided an opportunity for athletes from smaller towns to compete on a national platform.
  • Khelo India Achievements:
  • The program has helped identify young talent, many of whom have gone on to represent India in international sports events.
  • The initiative has also contributed significantly to increasing the popularity of sports like kabaddi, kho-kho, archery, and fencing in India.

Important Points

  • Khelo India Scheme:
  • Launched in 2018 by the Ministry of Youth Affairs and Sports, the scheme aims to revive India's sports culture.
  • The program has a budget allocation for building infrastructure, organizing events, and identifying talent.
  • It includes several verticals such as Talent Identification, Sports Infrastructure Development, and Sports Promotion.
  • Madhya Pradesh’s Focus on Sports:
  • The state has emerged as a hub for sports development, with initiatives to nurture athletes and promote sports tourism.
  • Events like the Khelo India Youth Games have helped showcase Madhya Pradesh’s commitment to sports.
11

First solar city of Madhya Pradesh will be -

  1. ((a))

    Sanchi

  2. ((b))

    Khajuraho

  3. ((c))

    Ujjain

  4. ((d))

    Mandu

Show Answer
Answer: ((a))

Sanchi

The correct answer is Sanchi.

Key Points

  • Sanchi was declared the first solar city of Madhya Pradesh to promote renewable energy and reduce dependency on conventional energy sources.
  • The initiative aimed to make Sanchi a model city for the utilization of solar energy, focusing on solar power generation, solar water heating systems, and energy-efficient practices.
  • The project was part of the Ministry of New and Renewable Energy (MNRE)'s Solar Cities Programme, which targets 60 cities across India.
  • Sanchi, primarily known for its Buddhist stupas, was chosen due to its historical significance and potential to attract tourists, making it an ideal location for showcasing sustainable energy solutions.
  • Under this program, the city adopted measures like solar street lighting, solar water heaters, and solar-powered public utilities, significantly reducing its carbon footprint.

Additional Information

  • Solar Cities Programme:
  • The Solar Cities Programme by the Ministry of New and Renewable Energy aims to reduce at least 10% of the projected demand for conventional energy through renewable energy and energy efficiency measures.
  • It includes the preparation of a Master Plan for cities, capacity building, and awareness campaigns to promote renewable energy sources.
  • Why Sanchi was chosen:
  • Sanchi is a UNESCO World Heritage Site, renowned for its Buddhist stupas and historical significance.
  • The city's role as a tourist hub provided an opportunity to create awareness about renewable energy among visitors.
  • It had the necessary infrastructure and government support to implement sustainable energy solutions effectively.
  • Other Solar Cities in India:
  • Examples include Agra (Uttar Pradesh), Coimbatore (Tamil Nadu), and Thane (Maharashtra), among others.
  • These cities focus on reducing dependency on non-renewable energy by implementing solar energy projects and promoting energy efficiency.
  • Applications of Solar Energy:
  • Solar energy is used in electricity generation (solar panels), water heating systems, street lighting, and solar cookers.
  • It is an eco-friendly and sustainable alternative to fossil fuels, helping reduce greenhouse gas emissions.

Important Points

  • Government Initiatives:
  • The National Solar Mission under the National Action Plan on Climate Change (NAPCC) aims to establish India as a global leader in solar energy.
  • India has set a target of installing 100 GW of solar capacity by 2022 under the mission.
  • Environmental Benefits:
  • Solar energy is a clean, renewable source of energy that reduces dependency on fossil fuels, leading to a decrease in air pollution and carbon emissions.
  • It promotes sustainable development, especially in urban areas, by minimizing the ecological footprint.
12

As per the Ladli Behna Yojana, what amount will the beneficiaries receive per month?

  1. ((a))

    Rs. 500

  2. ((b))

    Rs. 750

  3. ((c))

    Rs. 1000

  4. ((d))

    Rs. 1500

Show Answer
Answer: ((c))

Rs. 1000

The correct answer is Rs. 1000.

Key Points

  • Ladli Behna Yojana is a social welfare scheme introduced by the Madhya Pradesh government to empower women financially and socially.
  • The scheme focuses on providing monthly financial assistance of Rs. 1000 directly to eligible women beneficiaries.
  • Eligibility criteria include women aged between 23 and 60 years who are residents of Madhya Pradesh.
  • This scheme is aimed at improving the socio-economic status of women, especially those from economically weaker sections and rural areas.
  • The funds are directly transferred to the bank accounts of beneficiaries to ensure transparency and prevent misuse.

Additional Information

  • Objective of the Scheme:
  • The primary goal is to empower women financially and address gender disparities in society.
  • It aims to provide a safety net for women who are unemployed, widowed, divorced, or in need of financial support.
  • Eligibility Criteria:
  • Women must be permanent residents of Madhya Pradesh.
  • Beneficiaries should not belong to income-tax-paying families or be employed in the government sector.
  • Implementation Mechanism:
  • The scheme is executed through the state government machinery with robust monitoring systems.
  • Beneficiaries are identified based on socio-economic surveys and Aadhaar-linked databases.
  • Importance:
  • This scheme promotes the financial independence of women, thereby uplifting their status in society.
  • It helps bridge the gap in financial inclusion for women in rural and marginalized communities.

Important Points

  • Financial Impact: The allocation of Rs. 1000 monthly ensures a steady inflow of income for the beneficiaries, contributing to their economic stability.
  • Transparency: The scheme operates through direct bank transfers, minimizing corruption and intermediaries.
  • State-Specific Focus: This initiative is unique to Madhya Pradesh and aligns with its larger goal of enhancing women's welfare.
  • Wider Implications: The Ladli Behna Yojana can act as a model for other states to adopt similar measures for women empowerment.
Code
13

How much amount has been allocated for CM Kisan Kalyan Yojana under the MP State Budget 2023-24?

  1. ((a))

    Rs 1,700 crore

  2. ((b))

    Rs 3,200 crore

  3. ((c))

    Rs 3,800 crore

  4. ((d))

    Rs 4,200 crore

Show Answer
Answer: ((b))

Rs 3,200 crore

The correct answer is Rs 3,200 crore.

Key Points

  • CM Kisan Kalyan Yojana is a flagship scheme of the Madhya Pradesh government, aimed at providing financial assistance to farmers in the state.
  • Under the MP State Budget 2023-24, a total allocation of Rs 3,200 crore has been made for the scheme to support agricultural development and farmer welfare.
  • This scheme primarily focuses on providing direct benefit transfers (DBT) to eligible farmers to improve their financial stability.
  • The fund allocation is part of the state's broader initiative to enhance agricultural productivity, promote sustainable farming practices, and ensure better livelihoods for farmers.
  • By allocating this significant amount, the government aims to address issues like crop failure, debt burden, and insufficient financial support faced by farmers in Madhya Pradesh.

Additional Information

  • Key Objectives of CM Kisan Kalyan Yojana:
  • To provide financial assistance to farmers for improving their agricultural practices and reducing dependency on loans.
  • To ensure timely compensation for crop losses due to natural calamities or pest infestations.
  • To promote the adoption of sustainable farming techniques and modern agricultural practices.
  • Eligibility Criteria:
  • The scheme targets small and marginal farmers in Madhya Pradesh.
  • Farmers must be residents of Madhya Pradesh and registered under the scheme to avail benefits.
  • Beneficiaries should not be part of other overlapping government schemes providing similar financial assistance.
  • Implementation Strategy:
  • The scheme is implemented through direct benefit transfers (DBT), ensuring transparency and efficiency.
  • Funds are disbursed directly into the bank accounts of eligible farmers.
  • The government leverages technology to monitor and evaluate the progress of the scheme.
  • Significance of the Scheme:
  • It helps in reducing the debt burden on farmers, particularly small and marginal ones.
  • Encourages farmers to invest in better seeds, fertilizers, and farming techniques, leading to improved agricultural productivity.
  • Contributes to the state's goal of achieving food security and enhancing rural livelihoods.

Important Points

  • Other Agricultural Initiatives in Madhya Pradesh:
  • The Bhavantar Bhugtan Yojana aims to provide price deficit compensation to farmers.
  • The PM-KISAN Yojana complements state-level schemes by providing additional financial support to farmers.
  • Madhya Pradesh has a focus on improving irrigation facilities through projects like the Atal Bihari Vajpayee Irrigation Scheme.
  • Budget Highlights for Agriculture in MP 2023-24:
  • Increased allocation for schemes promoting organic farming and crop diversification.
  • Focus on upgrading agriculture infrastructure, such as storage facilities and market linkages.
  • Introduction of new insurance schemes to cover crop failure risks.
14

What is India’s ranks at the list of countries with largest military spending in the world as per the SIPRI Report in 2022?

  1. ((a))

    2nd

  2. ((b))

    4th

  3. ((c))

    9th

  4. ((d))

    8th

Show Answer
Answer: ((b))

4th

The correct answer is 4th.

Key Points

  • India ranks 4th globally in terms of military spending as per the Stockholm International Peace Research Institute (SIPRI) Report 2022.
  • India's military expenditure in 2022 was approximately USD 81.4 billion, which marked an increase of 6% compared to the previous year.
  • The top three countries in military spending are United States, China, and Russia, with India securing the fourth position.
  • The increase in India's defense budget is attributed to its focus on modernizing the armed forces, enhancing border security, and addressing regional geopolitical challenges.
  • Key allocations were made for capital expenditure, which includes procurement of new weapon systems, modernization of equipment, and infrastructure development.

Additional Information

  • SIPRI Report:
  • The Stockholm International Peace Research Institute (SIPRI) is a globally recognized institute that provides reliable data on military expenditure, arms trade, and conflict trends.
  • The 2022 SIPRI report highlights that global military expenditure reached an all-time high of USD 2.24 trillion.
  • India's position reflects its strategic efforts to strengthen its defense capabilities amidst regional security concerns.
  • Military Spending by Other Countries:
  • United States: The US remains the top spender with military expenditure amounting to USD 877 billion, which is about 39% of global spending.
  • China: Ranked second, China's spending is estimated at USD 292 billion, emphasizing its focus on regional influence and military modernization.
  • Russia: At third place, Russia's military spending reached USD 86.4 billion, largely driven by its involvement in the Ukraine conflict.
  • India's Defense Focus:
  • India's military spending is driven by its need to address challenges along the Line of Actual Control (LAC) with China and the Line of Control (LoC) with Pakistan.
  • Investments are being made in indigenous defense manufacturing under initiatives like Make in India and Aatmanirbhar Bharat.
  • Major acquisitions include fighter jets, submarines, and artillery systems to enhance combat readiness.
  • Global Trends in Military Spending:
  • Military spending has consistently increased over the years due to geopolitical tensions, technological advancements, and modernization drives by major powers.
  • Countries are allocating significant resources to cyber defense, space capabilities, and unmanned systems.
  • The focus on hybrid warfare and multi-domain operations is reshaping the global defense landscape.

Important Points

  • India's Indigenous Defense Programs:
  • India is focusing on self-reliance in defense production through initiatives like Defence Research and Development Organisation (DRDO) projects.
  • The Defense Acquisition Procedure 2020 aims to streamline procurement and promote domestic manufacturing.
  • Programs like Advanced Medium Combat Aircraft (AMCA) and Tejas fighter jet are examples of indigenous defense capabilities.
  • Budget Allocation:
  • The Indian government allocated ₹5.25 lakh crore (~USD 70 billion) for defense in the Union Budget 2022-23.
  • A significant portion is directed towards capital expenditure for modernization and new acquisitions.
15

The first ‘World Malaria Day’ was observed in ________.

  1. ((a))

    2004

  2. ((b))

    2008

  3. ((c))

    2002

  4. ((d))

    2013

Show Answer
Answer: ((b))

2008

The correct answer is 2008.

Key Points

  • The first-ever World Malaria Day was observed on April 25, 2008. It was established to highlight the global efforts being made to control and eliminate malaria.
  • It replaced Africa Malaria Day, which had been commemorated by African nations since 2001.
  • The day was instituted by the World Health Organization (WHO) during the 60th World Health Assembly held in May 2007.
  • The observance aims to raise awareness about malaria prevention, treatment, and the need for continued funding and research into effective interventions.
  • The theme for the first World Malaria Day in 2008 was "Malaria: a disease without borders."

Additional Information

  • Significance of World Malaria Day:
  • World Malaria Day provides a platform for countries to share their experiences and support each other's efforts to combat malaria.
  • It serves as a reminder of the need for continued investment in malaria control and prevention programs.
  • The day also emphasizes the importance of research and development for new tools and technologies to fight malaria.
  • Malaria Facts:
  • Malaria is caused by Plasmodium parasites, which are transmitted to humans through the bites of infected female Anopheles mosquitoes.
  • According to the WHO World Malaria Report 2022, there were approximately 247 million malaria cases globally in 2021, with 619,000 deaths.
  • Africa bears the highest burden, with over 90% of malaria cases and deaths occurring in the continent.
  • Global Efforts to Combat Malaria:
  • The Global Malaria Programme by WHO oversees global efforts to control and eliminate malaria.
  • Key initiatives include the Roll Back Malaria (RBM) Partnership, established in 1998, and the Global Fund to Fight AIDS, Tuberculosis, and Malaria.
  • Insecticide-treated mosquito nets (ITNs), indoor residual spraying (IRS), and antimalarial drugs like artemisinin-based combination therapies (ACTs) are among the main tools used for malaria prevention and treatment.
  • Important Themes of World Malaria Day:
  • 2021: "Reaching the zero malaria target."
  • 2022: "Harness innovation to reduce the malaria disease burden and save lives."
  • 2023: "Time to deliver zero malaria: invest, innovate, implement."

Important Points

  • WHO Global Technical Strategy for Malaria 2016-2030:
  • The strategy aims to reduce global malaria incidence and mortality rates by at least 90% by 2030.
  • It focuses on three main pillars: ensuring universal access to malaria prevention, diagnosis, and treatment; accelerating efforts toward elimination; and transforming malaria surveillance into a core intervention.
  • Historical Milestones:
  • 1880: Malaria was first discovered by Charles Louis Alphonse Laveran, a French army surgeon.
  • 1897: Sir Ronald Ross demonstrated that malaria is transmitted by mosquitoes.
  • 1955: The WHO launched the Global Malaria Eradication Programme, although it was later abandoned in the 1970s due to challenges.
16

Ellora is a UNESCO World Heritage Site located in the Aurangabad district of _________ , India. It is one of the largest rock-cut Hindu temple cave complexes in the world.

  1. ((a))

    Himachal Pradesh

  2. ((b))

    Maharashtra

  3. ((c))

    Andhra Pradesh

  4. ((d))

    Tamil Nadu

Show Answer
Answer: ((b))

Maharashtra

The correct answer is Maharashtra.

Key Points

  • Ellora Caves are located in the Aurangabad district of Maharashtra, India. It is a renowned UNESCO World Heritage Site.
  • The caves are one of the largest rock-cut Hindu temple cave complexes in the world, showcasing ancient Indian architecture, craftsmanship, and religious harmony.
  • Ellora consists of 34 caves excavated out of the Charanandri Hills, and these caves are primarily religious monuments dedicated to Hinduism, Buddhism, and Jainism.
  • The site was developed between the 6th and 10th centuries CE under the patronage of various dynasties, including the Rashtrakutas and Yadavas.
  • The most famous structure at Ellora is the Kailasa Temple (Cave 16), which is dedicated to Lord Shiva and is considered a masterpiece of Indian rock-cut architecture.
  • Ellora Caves symbolize India's rich cultural heritage and its tradition of religious tolerance, as it houses monuments representing three different religions.

Additional Information

  • Historical Significance:
  • The Ellora Caves were built during the reign of the Rashtrakuta dynasty, which ruled from the 8th to the 10th centuries CE.
  • The caves reflect a remarkable blend of architectural styles and religious art, representing the spiritual ethos of ancient India.
  • Kailasa Temple:
  • The Kailasa Temple (Cave 16) is the most prominent structure in Ellora. It is a monolithic rock-cut temple dedicated to Lord Shiva, carved out of a single rock.
  • The temple is an engineering marvel, featuring intricate carvings, sculptures, and detailed reliefs.
  • The temple's structure is symbolic of Mount Kailash, the abode of Lord Shiva.
  • Religious Diversity:
  • The caves are divided into three groups based on the religions they represent:
  • Buddhist Caves (Caves 1–12): These are the earliest caves, featuring monasteries (viharas) and prayer halls (chaityas).
  • Hindu Caves (Caves 13–29): These are the most elaborately designed caves, dedicated to Hindu deities.
  • Jain Caves (Caves 30–34): These caves reflect the ascetic values of Jainism and feature detailed sculptures of Jain Tirthankaras.
  • The coexistence of caves from three religions at a single site highlights India’s cultural and religious harmony.
  • UNESCO World Heritage Site:
  • Ellora Caves were designated a UNESCO World Heritage Site in 1983 for their exceptional cultural value.
  • The site attracts millions of tourists annually and is a testament to ancient India's artistic and engineering prowess.

Important Points

  • Other Notable Caves in Maharashtra:
  • Ajanta Caves: Located near Ellora, these caves are famous for their Buddhist murals and paintings.
  • Elephanta Caves: Situated near Mumbai, these caves are known for their sculptures dedicated to Lord Shiva.
  • Tourism and Accessibility:
  • Ellora Caves are located approximately 30 km from Aurangabad and are well-connected by road, rail, and air.
  • The site is a popular tourist destination, attracting visitors from around the world.
  • Preservation Efforts:
  • The Archaeological Survey of India (ASI) is responsible for the preservation and maintenance of the Ellora Caves.
  • Efforts are ongoing to protect the site from environmental factors and human-induced damage.
17

______ are referred to as miniature legislature.

  1. ((a))

    Lok Sabha

  2. ((b))

    Committees

  3. ((c))

    Rajya Sabha

  4. ((d))

    Supreme Court

Show Answer
Answer: ((b))

Committees

The correct answer is Committees.

Key Points

  • Committees in the legislature are often referred to as miniature legislatures because they perform detailed examination and scrutiny of issues, bills, and policies.
  • These committees consist of members of the legislature and focus on specific areas such as finance, defense, or social justice, allowing for in-depth analysis and expert opinions.
  • They work in a structured manner to ensure the smooth functioning of legislative processes and assist in decision-making. Committees are vital in conducting detailed discussions and preventing delays in the larger legislative body.
  • Standing Committees are permanent bodies, while Ad hoc Committees are temporary, created for specific purposes. Examples include the Public Accounts Committee (PAC) and the Estimates Committee.
  • Committees help in ensuring accountability and transparency, as they provide a platform for members to question government actions and policies.
  • Thus, they act as miniature legislatures and are indispensable for legislative governance.

Additional Information

  • Types of Committees in India:
  • Standing Committees: These are permanent committees constituted by the legislature to perform continuous functions. Examples include the Committee on Estimates, Committee on Public Accounts, and Committee on Public Undertakings.
  • Ad hoc Committees: These are temporary committees formed for a specific purpose, such as investigating a particular issue or preparing a report. Examples include the Joint Committee on the 2G Spectrum Scam and the Committee on Railway Safety.
  • Select Committees: These are formed to examine a particular bill and suggest amendments. They consist of members from both houses of the Parliament.
  • Functions of Committees:
  • Scrutiny of Bills: Committees analyze bills referred to them and suggest amendments to ensure they align with the Constitution and public interest.
  • Oversight: They oversee government activities, policies, and expenditures to ensure accountability and transparency.
  • Budgetary Functions: Committees like the Public Accounts Committee examine the budget and expenditure reports to ensure the proper utilization of funds.
  • Policy Review: Committees study policies and provide recommendations for improvements, ensuring efficient governance.
  • Examples of Committees in India:
  • The Public Accounts Committee (PAC) examines the annual audit reports of the Comptroller and Auditor General (CAG).
  • The Estimates Committee suggests alternative policies to bring efficiency in expenditure.
  • The Committee on Public Undertakings reviews the functioning of public sector undertakings.
  • Global Perspective:
  • In the United States Congress, committees such as the House Ways and Means Committee and the Senate Foreign Relations Committee play a similar role in scrutinizing bills and policies.
  • The UK Parliament also has select committees that examine the work of government departments.

Important Points

  • Role in Democracy: Committees ensure that legislative processes are efficient, , and democratic by providing a platform for discussion and debate.
  • Empowerment of Members: They empower legislators by allowing them to delve deeply into issues and contribute effectively to policymaking.
  • Checks and Balances: Committees act as a check on the executive branch by scrutinizing its actions and decisions.
  • Public Participation: Some committees invite public opinions and expert testimonies, ensuring that diverse perspectives are considered in policymaking.
18

The President of India is elected for a period of ______ years.

  1. ((a))

    5

  2. ((b))

    6

  3. ((c))

    10

  4. ((d))

    1

Show Answer
Answer: ((a))

5

The correct answer is 5 years.

Key Points

  • The President of India is elected for a term of 5 years as per the provisions of the Constitution of India (Article 56).
  • The tenure begins from the date the President assumes office and continues for a period of 5 years unless the President resigns, is impeached, or dies during the term.
  • The election process is conducted by the Election Commission of India and involves an electoral college comprising Members of Parliament (MPs) and Members of Legislative Assemblies (MLAs).
  • The President may be re-elected for subsequent terms, provided they meet the eligibility criteria and win the election.
  • Article 57 of the Constitution allows the President to be eligible for re-election without any limit on the number of terms.

Additional Information

  • Eligibility Criteria for the President of India:
  • Must be a citizen of India.
  • Should be at least 35 years old.
  • Must be qualified to be elected as a member of the Lok Sabha (House of the People).
  • Should not hold any office of profit under the government of India or any state government.
  • Impeachment of the President:
  • The President can be removed from office through an impeachment process for violation of the Constitution as per Article 61.
  • The process involves a formal resolution passed by both Houses of Parliament with a two-thirds majority.
  • Election Process:
  • The President is elected through a system of proportional representation by means of a single transferable vote.
  • The electoral college consists of elected members of both Houses of Parliament and elected members of the Legislative Assemblies of States and Union territories.
  • Important Articles Related to the President:
  • Article 52: Establishes the office of the President of India.
  • Article 53: Vests executive power of the Union in the President.
  • Article 56: Specifies the term of office of the President as 5 years.
  • Article 61: Details the procedure for impeachment of the President.

Important Points

  • The President is the constitutional head of the country and acts as the guardian of the Constitution.
  • Although the President exercises executive powers, the real authority lies with the Prime Minister and the Council of Ministers.
  • The President has the power to summon, prorogue, and dissolve Parliament sessions as per Article 85.
  • In extraordinary situations, the President can declare Emergency provisions under Articles 352, 356, and 360.
  • The President appoints key officials, including the Prime Minister, Governors, and Supreme Court judges.
19

The measure of aggregate income that will be obtained by deducting depreciation from GNP (Gross National Product) is ______.

  1. ((a))

    Gross Domestic Product

  2. ((b))

    Net National Product

  3. ((c))

    Net Domestic Product

  4. ((d))

    Personal Income

Show Answer
Answer: ((b))

Net National Product

The correct answer is Net National Product.

Key Points

  • Net National Product (NNP) is derived by deducting depreciation from the Gross National Product (GNP).
  • Depreciation refers to the wear and tear or reduction in the value of fixed assets over time due to usage or obsolescence.
  • Formula: NNP = GNP - Depreciation.
  • NNP measures the total market value of all final goods and services produced by the residents of a country in a given time period after accounting for depreciation.
  • This metric reflects the actual income available for a nation’s consumption and investment purposes, making it a more accurate indicator of economic well-being.

Additional Information

  • Gross National Product (GNP):
  • GNP is the total value of all final goods and services produced by a nation's residents in a specific time period, regardless of whether production takes place domestically or abroad.
  • It includes income earned by residents from investments abroad but excludes income earned by foreigners from domestic investments.
  • Depreciation:
  • Depreciation represents the decline in the value of capital assets such as machinery, equipment, and buildings due to their usage and wear over time.
  • It is also referred to as the Consumption of Fixed Capital.
  • Accounting for depreciation ensures that the calculation of NNP reflects the net production and income available for use.
  • Difference Between GDP and GNP:
  • GDP (Gross Domestic Product) measures the total value of goods and services produced within a country's borders, regardless of the nationality of the producers.
  • GNP, on the other hand, includes income from abroad earned by residents but excludes the income generated domestically by foreign producers.
  • Applications of NNP:
  • NNP is used as an indicator of a nation's economic performance and well-being.
  • It helps policymakers assess the real income available for investment, consumption, and savings.
  • It provides insights into the sustainability of current economic growth by accounting for the depreciation of resources.

Important Points

  • Net Domestic Product (NDP):
  • NDP is calculated by deducting depreciation from the Gross Domestic Product (GDP).
  • It reflects the value of goods and services produced within a country's borders after accounting for capital depreciation.
  • Personal Income:
  • Personal Income is the total income received by individuals from all sources, including wages, rents, interest, and dividends.
  • It also includes transfer payments such as pensions and unemployment benefits.
  • Key Distinctions:
  • GNP focuses on production by a nation's residents, regardless of location, while GDP focuses on production within a country's borders.
  • NNP and NDP differ in terms of the scope of income (domestic vs. national) and the inclusion of depreciation.
20

Which Indian Constitution Amendment had removed the right to property as a fundamental right?

  1. ((a))

    32nd Constitution Amendment

  2. ((b))

    44th Constitution Amendment

  3. ((c))

    62nd Constitution Amendment

  4. ((d))

    57th Constitution Amendment

Show Answer
Answer: ((b))

44th Constitution Amendment

The correct answer is 44th Constitution Amendment.

Key Points

  • The 44th Constitution Amendment Act, enacted in 1978, removed the right to property from the list of Fundamental Rights under the Indian Constitution.
  • Prior to the amendment, the Right to Property was enshrined as a fundamental right under Article 31 of the Constitution.
  • The amendment shifted the Right to Property to the category of legal rights by introducing Article 300A in Part XII of the Constitution, which states that no person shall be deprived of their property except by the authority of law.
  • The main reason for this amendment was to ensure that the government could acquire private property for public welfare projects without facing unnecessary legal hurdles, as the right was often misused to challenge land reforms and other measures aimed at social justice.
  • The change was introduced during the tenure of the Janata Party government, led by Prime Minister Morarji Desai, to address issues related to land acquisition and equitable distribution of resources.

Additional Information

  • Article 300A of the Constitution:
  • This article, inserted by the 44th Amendment Act, states that no person can be deprived of their property except by the authority of a law passed by the legislature.
  • It provides a legal right to citizens but not a fundamental right, meaning its violation cannot be directly challenged in the Supreme Court under Article 32.
  • Any deprivation of property must follow due legal process, ensuring fairness and justice.
  • Fundamental Rights vs. Legal Rights:
  • Fundamental Rights are guaranteed by the Constitution and enforceable by courts under specific articles like Articles 32 and 226.
  • Legal Rights are statutory rights provided by laws enacted by the legislature and are enforceable in ordinary courts.
  • The shift of the Right to Property from a fundamental right to a legal right ensures that it cannot hinder the implementation of land reforms and public welfare schemes.
  • Significance of the 44th Amendment:
  • It was introduced to correct excesses of the 42nd Amendment Act, which was passed during the Emergency period (1975–77).
  • In addition to removing the Right to Property as a fundamental right, it restored various democratic norms and limited the powers of the executive and legislature.
  • Other Amendments Related to Property Rights:
  • The 1st Constitution Amendment Act (1951) added provisions for land reform laws in the Ninth Schedule to protect them from judicial review.
  • The 25th Constitution Amendment Act (1971) introduced the concept of compensation for property acquisition being "amount" rather than "equivalent value," further diluting the fundamental right to property.

Important Points

  • Right to Property in Other Countries:
  • In the United States, the Right to Property is protected under the Fifth Amendment of the U.S. Constitution.
  • In the United Kingdom, property rights are protected under the European Convention on Human Rights (ECHR), incorporated into UK law by the Human Rights Act 1998.
  • Many countries balance property rights with public interest, ensuring equitable resource distribution.
  • Impact of the Amendment:
  • It facilitated land acquisition for public purposes like infrastructure development, housing projects, and industrial growth.
  • It reduced litigation and challenges to laws aimed at social and economic justice, particularly land reform laws.
  • It underscored the principle that individual rights must sometimes yield to collective welfare.
21

निम्नलिखित मे से कौन-सा शब्द स्त्रीलिंग है?

  1. ((a))

    आराम

  2. ((b))

    आलस

  3. ((c))

    आलस्य

  4. ((d))

    सुस्ती

Show Answer
Answer: ((d))

सुस्ती

दिए गए विकल्पों में स्त्रीलिंग शब्द का सही उदाहरण/उत्तर है- सुस्ती

Key Points

  • 'सुस्ती' एक स्त्रीलिंग शब्द है, जिसका अर्थ है- आलस्य या शिथिलता। वाक्य प्रयोग - मुझे बहुत सुस्ती आ रही है।
  • हिंदी व्याकरण के अनुसार, भाववाचक संज्ञाएँ जो '' प्रत्यय से समाप्त होती हैं, वे प्रायः स्त्रीलिंग होती हैं।
  • अन्य उदाहरण: खुशी, गर्मी, चालाकी, गरीबी आदि।

अन्य विकल्प -

शब्द/विकल्पउदाहरणभेद/प्रकार
आरामआराम किया जाता है। (विश्राम)पुल्लिंग
आलसआलस आता है। (सुस्ती का भाव)पुल्लिंग
आलस्यआलस्य मनुष्य का शत्रु होता है।पुल्लिंग

Important Points 

 हिंदी में लिंग के भेद-

  1. पुल्लिंग: जिन शब्दों से पुरुष जाति का बोध हो। उदाहरण - लड़का = दौड़ता है। पर्वत = बहुत ऊँचा है।
  2. स्त्रीलिंग: जिन शब्दों से स्त्री जाति का बोध हो। उदाहरण - लड़की = पढ़ती है। नदी = बहती है।

Additional Informationकुछ अन्य महत्वपूर्ण 'स्त्रीलिंग' शब्द -

स्त्रीलिंग शब्दवाक्य प्रयोग (पहचान के लिए)विशेष नियम
अग्निअग्नि जल रही है।इ-कारान्त (अक्सर स्त्रीलिंग)
मृत्युउसकी मृत्यु हो गई।भाववाचक संज्ञा
अदालतअदालत बैठी है।अरबी-फ़ारसी मूल
सरकारनई सरकार बनी है।शासन व्यवस्था
शराबशराब बुरी है।पेय पदार्थ (अपवाद: पानी, दूध, घी पुल्लिंग)
धूलधूल उड़ रही है।द्रव्यवाचक (कण)
नाकउसकी नाक लंबी है।शरीर के अंग (अपवाद: हाथ, पाँव, सिर पुल्लिंग)
हँसीसबकी हँसी निकल गई।'ई' प्रत्यय वाले शब्द
गंगागंगा बहती है।नदियों के नाम (अपवाद: ब्रह्मपुत्र, सोन पुल्लिंग)
तिथिआज क्या तिथि है?तिथियों के नाम (जैसे—पूर्णिमा, प्रथमा)
हिन्दीहिन्दी अच्छी भाषा है।भाषाओं और बोलियों के नाम
मिठासआम की मिठास कम है।'आस' प्रत्यय वाले शब्द
लिखावटआपकी लिखावट सुंदर है।'अवट' प्रत्यय वाले शब्द
22

निम्नलिखित मे से कौन-सा शब्द पुल्लिंग है?

  1. ((a))

    दिलासा

  2. ((b))

    सांत्वना

  3. ((c))

    सीख

  4. ((d))

    सुंदरता

Show Answer
Answer: ((a))

दिलासा

दिए गए विकल्पों में से 'पुल्लिंग' शब्द का सही उत्तर है- दिलासा

Key Points

  • यहाँ 'दिलासा' शब्द पुल्लिंग है क्योंकि इसका प्रयोग वाक्य में "दिलासा दिया गया" के रूप में होता है, न कि "दिलासा दी गई"
  • हिंदी व्याकरण में संज्ञा के जिस रूप से किसी व्यक्ति या वस्तु की पुरुष जाति का बोध होता है, उसे पुल्लिंग कहते हैं।
  • पुल्लिंग के अन्य उदाहरण: पर्वत, बचपन, घी, हाथ आदि।

अन्य विकल्प -

शब्द/विकल्पअर्थउदाहरणभेद/प्रकार
सांत्वनाकिसी को ढाढ़स बँधाना या सहानुभूति देना।शोक संतप्त परिवार को सांत्वना दी गई।स्त्रीलिंग
सीखकोई शिक्षा या नसीहत प्राप्त करना।बड़ों की सीख माननी चाहिए।स्त्रीलिंग
सुंदरताभाववाचक संज्ञा जिसमें 'ता' प्रत्यय लगा हो।कश्मीर की सुंदरता अद्भुत है।स्त्रीलिंग

Important Points 

 लिंग के मुख्य भेद-

  1. पुल्लिंग - जिन संज्ञा शब्दों से पुरुष जाति का पता चलता है। उदाहरण - लड़का = सो रहा है। पेड़ = बड़ा है।
  2. स्त्रीलिंग - जिन संज्ञा शब्दों से स्त्री जाति का पता चलता है। उदाहरण - लड़की = पढ़ रही है। नदी = बह रही है।

Additional Informationइसी प्रकार के कुछ अन्य महत्वपूर्ण 'पुल्लिंग' शब्द जो अक्सर स्त्रीलिंग लगते हैं:

पुल्लिंग शब्दवाक्य प्रयोग
दहीदही खट्टा है।
पानीपानी ठंडा है।
घीघी महंगा है।
मोतीमोती चमकता है।
बचपनउसका बचपन बीत गया।
23

निम्नलिखित मे से लोकोक्ति ‘अपनी-अपनी डफली, अपना-अपना राग ’ का क्या अर्थ है?

  1. ((a))

    अपने घर या गली-मोहल्ले में बहादुरी दिखाना

  2. ((b))

    अपनी बड़ाई या प्रशंसा स्वयं करने वाला

  3. ((c))

    कोई काम नियम-कायदे से न करना

  4. ((d))

    बुद्धि शारीरिक शक्ति से अधिक श्रेष्ठ होती है।

Show Answer
Answer: ((c))

कोई काम नियम-कायदे से न करना

लोकोक्ति ‘अपनी-अपनी डफली, अपना-अपना राग’ का सही अर्थ है- कोई काम नियम-कायदे से न करना

Key Points

  • ‘अपनी-अपनी डफली, अपना-अपना राग’ लोकोक्ति का अर्थ होता है - परस्पर संगठन या तालमेल का अभाव होना अथवा सबका अपनी-अपनी मनमानी करना।
  • वाक्य प्रयोग - ​विपक्ष के नेता एकजुट होने के बजाय "अपनी-अपनी डफली, अपना-अपना राग अलाप रहे हैं।"
  • व्याकरण के अनुसार लोकोक्ति (लोक + उक्ति) समाज के भाषाई इतिहास और अनुभवों का सार होती है, जो किसी प्रसंगवश पूर्ण वाक्य के रूप में प्रयुक्त होती है।
  • इसका एक अन्य उदाहरण है: "अकेला चना भाड़ नहीं फोड़ता" (अकेला व्यक्ति बड़ा काम नहीं कर सकता)।

अन्य विकल्प -

अर्थलोकोक्ति
अपने घर या गली-मोहल्ले में बहादुरी दिखानाइसके लिए सही लोकोक्ति है - अपनी गली में कुत्ता भी शेर होता है
अपनी बड़ाई या प्रशंसा स्वयं करने वालाइसके लिए सही लोकोक्ति है - अपने मुँह मियाँ मिट्ठू बनना
बुद्धि शारीरिक शक्ति से अधिक श्रेष्ठ होती हैइसके लिए सही लोकोक्ति है - अक्ल बड़�� या भैंस

Important Points 

 लोकोक्ति और मुहावरे के भेद-

  1. लोकोक्ति: यह एक पूर्ण वाक्य होती है और इसका प्रयोग स्वतंत्र रूप से किया जा सकता है।
  2. मुहावरा: यह वाक्यांश (वाक्य का अंश) होता है और इसका प्रयोग वाक्य के भीतर किया जाता है।

Additional Information

लोकोक्तिअर्थ
आम के आम गुठलियों के दामदोहरा लाभ होना।
ऊँची दुकान फीका पकवानकेवल बाहरी दिखावा होना।
खोदा पहाड़ निकली चुहियाअधिक परिश्रम, लाभ बहुत कम।
घर का भेदी लंका ढावेआपसी फूट से सर्वनाश होता है।
नाच न जाने आँगन टेढ़ाअपनी कमी छिपाने के लिए दूसरों में दोष निकालना।
मान न मान मैं तेरा मेहमानजबरदस्ती गले पड़ना।
हाथ कंगन को आरसी क्याप्रत्यक्ष को प्रमाण की आवश्यकता नहीं होती।
24

वाक्य ‘यह पुस्तक आदित्य की है।’ सर्वनाम के किस भेद का वाक्य है?

  1. ((a))

    निश्चयवाचक सर्वनाम

  2. ((b))

    अनिश्चयवाचक सर्वनाम

  3. ((c))

    पुरूषवाचक सर्वनाम

  4. ((d))

    संबंधवाचक सर्वनाम

Show Answer
Answer: ((a))

निश्चयवाचक सर्वनाम

वाक्य ‘यह पुस्तक आदित्य की है।’ में प्रयुक्त सर्वनाम का सही उत्तर है- निश्चयवाचक सर्वनाम

Key Points

  • दिए गए वाक्य 'यह पुस्तक आदित्य की है' में 'यह' शब्द का प्रयोग एक निश्चित वस्तु (पुस्तक) की ओर संकेत करने के लिए किया गया है।
  • जो सर्वनाम शब्द किसी निश्चित वस्तु, व्यक्ति या घटना का बोध कराते हैं, उन्हें निश्चयवाचक सर्वनाम (संकेतवाचक सर्वनाम) कहते हैं।
  • उदाहरण: यह, वह, ये, वे।
  • वह मेरा घर है।
  • ये आम के पेड़ हैं।

Important Points 

 सर्वनाम के मुख्य 6 भेद होते हैं-

  1. पुरुषवाचक सर्वनाम
  2. निश्चयवाचक सर्वनाम
  3. अनिश्चयवाचक सर्वनाम
  4. संबंधवाचक सर्वनाम
  5. प्रश्नवाचक सर्वनाम
  6. निजवाचक सर्वनाम

Additional Information

सर्वनाम का भेदपरिभाषाउदाहरण शब्दवाक्य प्रयोग
पुरुषवाचकवक्ता, श्रोता या अन्य व्यक्ति के लिए।मैं, तुम, वह, हम, आप।मैं कल दिल्ली जाऊँगा।
अनिश्चयवाचकजिससे किसी निश्चित व्यक्ति/वस्तु का बोध न हो।कोई, कुछ।दरवाजे पर कोई खड़ा है।
संबंधवाचकजो दो शब्दों या वाक्यों के बीच संबंध जोड़े।जो-सो, जैसा-वैसा।जो सोएगा, सो खोएगा।
प्रश्नवाचकप्रश्न पूछने के लिए प्रयोग किए जाने वाले शब्द।कौन, क्या, कहाँ, कैसे।बाहर कौन आया है**?**
निजवाचककर्ता स्वयं के लिए जिन शब्दों का प्रयोग करे।स्वयं, खुद, अपने आप, निज।मैं अपना काम स्वयं कर लूँगा।
25

वर्ण “ऌ , ॡ , तवर्ग , ल और स” का उच्चारण स्थान निम्नलिखित मे से कौन-सा है?

  1. ((a))

    दन्त्य

  2. ((b))

    कण्ठ्य

  3. ((c))

    तालव्य

  4. ((d))

    ओष्ठ्य

Show Answer
Answer: ((a))

दन्त्य

वर्ण “ऌ , ॡ , तवर्ग , ल और स” के उच्चारण स्थान का सही उत्तर है- दन्त्य

Key Points

  • संस्कृत व्याकरण के सूत्र 'लृतुलसानां दन्त्याः' के अनुसार ऌ, तवर्ग (त, थ, द, ध, न), ल और स का उच्चारण स्थान दन्त (दाँत) होता है।
  • जिन वर्णों का उच्चारण करते समय जिह्वा का अग्र भाग ऊपर के दाँतों का स्पर्श करता है, उन्हें 'दन्त्य' वर्ण कहा जाता है।
  • अन्य उदाहरण: त, थ, द, ध, न

अन्य विकल्प -

शब्द/विकल्पविग्रह/अर्थभेद/प्रकार
कण्ठ्यइनका उच्चारण कण्ठ और निचली जीभ के स्पर्श से होता है (अ, आ, कवर्ग, ह, विसर्ग)।उच्चारण स्थान
तालव्यइनका उच्चारण तालु और जीभ के स्पर्श से होता है (इ, ई, चवर्ग, य, श)।उच्चारण स्थान
ओष्ठ्यइनका उच्चारण दोनों होंठों के मेल से होता है (उ, ऊ, पवर्ग)।उच्चारण स्थान

Important Points 

 हिंदी वर्णमाला के मुख्य उच्चारण स्थान के भेद-

  1. कण्ठ्य
  2. तालव्य
  3. मूर्धन्य
  4. दन्त्य
  5. ओष्ठ्य
  6. नासिका

Additional Information

उच्चारण स्थाननाम (वर्ग)आने वाले वर्ण (स्वर और व्यंजन)ट्रिक / सूत्र
कण्ठकण्ठ्यअ, आ, क-वर्ग (क, ख, ग, घ, ङ), ह, विसर्ग (:)अकुहविसर्जनीयानां कण्ठः
तालुतालव्यइ, ई, च-वर्ग (च, छ, ज, झ, ञ), य, शइचुयशानां तालु
मूर्धामूर्धन्यऋ, ट-वर्ग (ट, ठ, ड, ढ, ण), र, षरटुर्षाणां मूर्धा
दाँतदन्त्यत-वर्ग (त, थ, द, ध, न), ल, सलृतुलसानां दन्त्याः
होठओष्ठ्यउ, ऊ, प-वर्ग (प, फ, ब, भ, म)उपूपध्मानीयानां ओष्ठौ
नासिकानासिकाप्रत्येक वर्ग का पंचम वर्ण (ङ, ञ, ण, न, म) और अनुस्वार (ं)यमङणनानां नासिका च
26

दिए गए शब्द–युग्म के सही अर्थ-भेद का चयन कीजिए-

‘अभिज्ञ - अनभिज्ञ’

  1. ((a))

    कमल - बादल

  2. ((b))

    वर्ष – अभिज्ञ

  3. ((c))

    जाननेवाला - अनजान

  4. ((d))

    अनजान - जाननेवाला

Show Answer
Answer: ((c))

जाननेवाला - अनजान

दिए गए शब्द–युग्म ‘अभिज्ञ - अनभिज्ञ’ के सही अर्थ-भेद का सही उत्तर है- जाननेवाला - अनजान

Key Points

  • 'अभिज्ञ' का अर्थ 'जाननेवाला' या 'ज्ञाता' होता है, जबकि 'अनभिज्ञ' का अर्थ 'अनजान' या 'जिसे ज्ञान न हो' होता है।
  • हिंदी व्याकरण में ऐसे शब्द जो सुनने और पढ़ने में लगभग समान प्रतीत होते हैं, परंतु उनके अर्थ भिन्न होते हैं, उन्हें श्रुतिसम भिन्नार्थक शब्द या शब्द-युग्म कहते हैं।
  • अन्य उदाहरण: अनल (आग) और अनिल (हवा)।

अन्य विकल्प -

शब्द/विकल्पविग्रह/अर्थभेद/प्रकार
कमल - बादलयह जलज और जलद का अर्थ है।श्रुतिसम भिन्नार्थक
वर्ष - चंद्रमायह मुख्य रूप से अब्द और अब्ज का अर्थ हो सकता है।श्रुतिसम भिन्नार्थक
अनजान - जाननेवालायह 'अभिज्ञ - अनभिज्ञ' का विपरीत क्रम है।अर्थ-विपर्यय

Important Points 

 शब्द-युग्म (श्रुतिसम भिन्नार्थक) के भेद-

  1. पूर्ण श्रुतिसम शब्द (जो सुनने में बिल्कुल एक जैसे लगें)
  2. आंशिक श्रुतिसम शब्द (जिनके उच्चारण में सूक्ष्म अंतर हो)
  3. अर्थ की दृष्टि से सर्वथा भिन्न शब्द

Additional Information

शब्द युग्मअर्थ 1शब्द युग्मअर्थ 2
अपेक्षा / उपेक्षातुलना में / इच्छाउपेक्षातिरस्कार / लापरवाही
नियत / नियतिनिश्चितनियतिभाग्य
प्रसाद / प्रासादकृपा / भोगप्रासादमहल
बदन / वदनशरीरवदनमुख / चेहरा
लक्ष / लक्ष्यलाख (संख्या)लक्ष्यउद्देश्य / निशाना
शोक / शौकदुःखशौकचाव / रुचि
तरणि / तरणीसूर्यतरणीनाव
अवधि / अवधीसमयअवधीअवध की भाषा
27

नीचे दिए गए वाक्य मे क्रियाविशेषण अव्यय का कौन-सा भेद है?

‘आपके आने भर की देर है।‘

  1. ((a))

    साधारण

  2. ((b))

    संयोजक

  3. ((c))

    अनुबद्ध

  4. ((d))

    दिए गए विकल्पों में से कोई नहीं

Show Answer
Answer: ((c))

अनुबद्ध

वाक्य ‘आपके आने भर की देर है’ में प्रयुक्त क्रियाविशेषण अव्यय का सही उत्तर है- अनुबद्ध

Key Points

  • दिए गए वाक्य में 'भर' शब्द एक अनुबद्ध क्रियाविशेषण के रूप में प्रयुक्त हुआ है, क्योंकि यह संज्ञा या सर्वनाम के विकृत रूप के साथ लगकर अर्थ को स्पष्ट कर रहा है।
  • जिन क्रियाविशेषणों का प्रयोग निश्चय की स्थिति बताने के लिए किसी शब्द के साथ जोड़कर किया जाता है, उन्हें अनुबद्ध क्रियाविशेषण कहते हैं।
  • अन्य उदाहरण: यह काम तो किसी अनपढ़ ने ही किया है, वह पढ़ने तक नहीं गया।

अन्य विकल्प -

शब्द/विकल्पविग्रह/अर्थभेद/प्रकार
साधारणजिनका प्रयोग वाक्य में स्वतंत्र रूप से होता है। जैसे: अरे! तुम कब आए?साधारण क्रियाविशेषण
संयोजकजिनका सम्बन्ध किसी उपवाक्य से होता है। जैसे: जहाँ तुम जाओगे, वहाँ मैं भी जाऊँगा।संयोजक क्रियाविशेषण

Important Points 

 प्रयोग के आधार पर क्रियाविशेषण के भेद-

  1. साधारण क्रियाविशेषण
  2. संयोजक क्रियाविशेषण
  3. अनुबद्ध क्रियाविशेषण

अर्थ के आधार पर क्रिया विशेषण के चार मुख्य भेद होते हैं:

  1. कालवाचक (समय),
  2. स्थानवाचक (जगह),
  3. परिमाणवाचक (मात्रा/माप),
  4. रीतिवाचक (ढंग या प्रकार)।

Additional Information

भेदपरिभाषापहचान (प्रश्न)उदाहरण
कालवाचकजो क्रिया के होने के समय का बोध कराए।कब?वह कल आएगा। (आज, सदा, अभी)
स्थानवाचकजो क्रिया के होने के स्थान का बोध कराए।कहाँ?तुम अंदर बैठो। (यहाँ, वहाँ, ऊपर, नीचे)
परिमाणवाचकजो क्रिया की मात्रा या नाप-तोल बताए।कितना?वह कम बोलता है। (अधिक, पर्याप्त, थोड़ा)
रीतिवाचकजो क्रिया के होने के तरीके (ढंग) को बताए।कैसे?कछुआ धीरे-धीरे चलता है। (तेज़, ध्यानपूर्वक)
28

नीचे दिए गए वाक्य के लिए एक शब्द का चयन कीजिए-

“अपराध और उन पर दण्ड देने के नियम निर्धारित करने वाला प्रश्न - ”

  1. ((a))

    त्रिफला

  2. ((b))

    दण्डसंहिता

  3. ((c))

    दुराचारी

  4. ((d))

    झक्की

Show Answer
Answer: ((b))

दण्डसंहिता

दिए गए वाक्यांश 'अपराध और उन पर दण्ड देने के नियम निर्धारित करने वाला' का सही उत्तर है- दण्डसंहिता

Key Points

  • 'दण्डसंहिता' का अर्थ है वह विधान या नियमावली जिसमें विभिन्न अपराधों और उनके लिए निर्धारित दण्डों का व्यवस्थित विवरण हो।
  • हिंदी व्याकरण में कम से कम शब्दों में अधिक से अधिक विचार प्रकट करने के लिए 'वाक्यांश के लिए एक शब्द' का प्रयोग किया जाता है। इससे भाषा प्रभावशाली और संक्षिप्त बनती है।
  • अन्य उदाहरण: 'जो कानून के विरुद्ध हो' - अवैध, 'जो नीति के अनुकूल हो' - नैतिक

अन्य विकल्प -

शब्द/विकल्पविग्रह/अर्थ
त्रिफलातीन फलों (आँवला, बहेड़ा और हरड़) का मिश्रण।
दुराचारीजिसका आचरण बुरा या निंदनीय हो।
झक्कीएक ही बात की रट लगाने वाला या धुन का पक्का (सनकी)।

Important Points 

 अनेक शब्दों के लिए एक शब्द के कुछ अन्य महत्वपूर्ण उदाहरण-

वाक्यांश (अनेक शब्द)एक शब्द
जिसके समान दूसरा कोई न होअद्वितीय
जिसे क्षमा न किया जा सकेअक्षम्य
जो कल्पना से परे होकल्पनातीत
जो सब कुछ जानता होसर्वज्ञ
उपकार को न मानने वालाकृतघ्न
जिसका कोई शत्रु न जन्मा होअजातशत्रु
जानने की इच्छा रखने वालाजिज्ञासु
जो आँखों के सामने न होपरोक्ष
जिसकी गहराई का पता न चलेअथाह
जो बिना वेतन के काम करेअवैतनिक
29

नीचे दिए गए वाक्‍य के प्रकार का चयन कीजिए-

“ मुकेश बीमार है। ”

  1. ((a))

    सरल वाक्‍य

  2. ((b))

    संयुक्‍त वाक्‍य

  3. ((c))

    मिश्र वाक्‍य

  4. ((d))

    दिए गए विकल्पों में से कोई नहीं

Show Answer
Answer: ((a))

सरल वाक्‍य

“मुकेश बीमार है।” वाक्य के प्रकार का सही उत्तर है- सरल वाक्‍य

Key Points

  • ‘मुकेश बीमार है’ एक सरल वाक्य है क्योंकि इसमें केवल एक ही उद्देश्य (कर्ता) और एक ही विधेय (क्रिया) का प्रयोग हुआ है।
  • जिस वाक्य में केवल एक ही उद्देश्य और एक ही विधेय (या मुख्य क्रिया) होती है, उसे सरल वाक्य या साधारण वाक्य कहते हैं।
  • अन्य उदाहरण: वर्षा हो रही है। मोहन पुस्तक पढ़ता है।

Important Points 

 रचना के आधार पर वाक्य के भेद-

  1. सरल वाक्य
  2. संयुक्त वाक्य
  3. मिश्र वाक्य

Additional Information

प्रकार/भेदपरिभाषाउदाहरण
संयुक्‍त वाक्‍यजहाँ दो या दो से अधिक स्वतंत्र उपवाक्य योजकों (और, एवं, तथा, या, अथवा, परन्तु आदि) से जुड़े हों।वह सुबह गया और शाम को लौट आया।
मिश्र वाक्‍यजिस वाक्य में एक मुख्य उपवाक्य हो और अन्य आश्रित उपवाक्य हों, जो कि, जो, क्योंकि, जितना-उतना आदि से जुड़े हों।उसने कहा कि मैं निर्दोष हूँ।
30

निम्‍नलिखित मे से “ईषत ” का विेलोम शब्‍द क्‍या है?

  1. ((a))

    अथ

  2. ((b))

    अनिष्ट

  3. ((c))

    अलम

  4. ((d))

    अनिच्छित

Show Answer
Answer: ((c))

अलम

“ईषत” शब्द के विलोम का सही उत्तर है- अलम

Key Points

  • ईषत का अर्थ 'थोड़ा' या 'कम' होता है, जबकि अलम का अर्थ 'पर्याप्त', 'अधिक' या 'बस' होता है। इस प्रकार ये एक-दूसरे के विपरीत अर्थ प्रकट करते हैं।
  • जो शब्द किसी शब्द का विपरीत या उल्टा अर्थ बताते हैं, उन्हें विलोम शब्द या विपरीतार्थक शब्द कहते हैं।
  • अन्य उदाहरण: अल्प - बहु, न्यून - अधिक

अन्य विकल्प -

शब्द/विकल्पविग्रह/अर्थविलोम शब्द
अथप्रारंभ या शुरुआतइति (समाप्ति)
अनिष्टबुरा या जो कल्याणकारी न होइष्ट (शुभ/वांछित)
अनिच्छितजिसकी इच्छा न की गई होइच्छित

Important Points 

 विलोम शब्द के निर्माण के आधार-

  1. उपसर्ग जोड़कर (जैसे: मान - अपमान)
  2. लिंग परिवर्तन द्वारा (जैसे: राजा - रानी)
  3. उपसर्ग परिवर्तन द्वारा (जैसे: सुपुत्र - कुपुत्र)
  4. नञ् समास द्वारा (जैसे: सार्थक - निरर्थक)

Additional Information

शब्दविलोम शब्द
आविर्भावतिरोभाव
उत्कर्षअपकर्ष
उन्मूलनरोपण
कृतज्ञकृतघ्न
जंगमस्थावर
निरामिषसामिष
पाश्चात्यपौर्वात्य
प्रत्यक्षपरोक्ष
व्यष्टिसमष्टि
ह्रासविकास
क्षणिकशाश्वत
अगमसुगम
अनिवार्यऐच्छिक
31

निम्‍नलिखित मे से “आख़िरकार” का पर्यायवाची शब्‍द क्‍या है?

  1. ((a))

    समाप्त

  2. ((b))

    व्यंग्य

  3. ((c))

    विमोही

  4. ((d))

    फलतः

Show Answer
Answer: ((d))

फलतः

दिए गए विकल्पों में से “आख़िरकार” का सही पर्यायवाची शब्द है- फलतः

Key Points

  • 'आख़िरकार' और 'फलतः' दोनों शब्दों का प्रयोग किसी कार्य या घटना के निष्कर्ष या परिणाम को दर्शाने के लिए किया जाता है।
  • जो शब्द समान अर्थ प्रकट करते हैं, उन्हें पर्यायवाची शब्द या समानार्थी शब्द कहते हैं।
  • आख़िरकार के अन्य पर्यायवाची : अंततः, अंततोगत्वा, परिणामस्वरूप

अन्य विकल्प -

शब्द/विकल्पविग्रह/अर्थभेद/प्रकार
समाप्तवह कार्य जो पूर्ण या खत्म हो चुका हो।विशेषण
व्यंग्यकिसी पर किया गया कटाक्ष या उपहासपूर्ण कथन।संज्ञा
विमोहीवह व्यक्ति जो मोह-माया से मुक्त या रहित हो।विशेषण

Important Points 

 पर्यायवाची शब्द के भेद-

  1. पूर्ण पर्याय: जब एक शब्द के स्थान पर दूसरा शब्द बिना अर्थ बदले रखा जा सके।
  2. पूर्णापूर्ण पर्याय: जो शब्द एक प्रसंग में तो पर्यायवाची हों किंतु दूसरे प्रसंग में न हों।
  3. अपूर्ण पर्याय: जहाँ समानार्थक शब्दों में अर्थ की सूक्ष्म भिन्नता होती है।

Additional Information

शब्दपर्यायवाची शब्द
परिणामफल, नतीजा, अंजाम, निष्कर्ष।
अचानकअकस्मात, एकाएक, सहसा, औचक।
उचितठीक, मुनासिब, वाजिब, युक्तियुक्त।
कठिनदुष्कर, जटिल, मुश्किल, अगम्य।
निरंतरलगातार, सतत, क्रमिक, अविराम।
शीघ्रतुरंत, अविलंब, फौरन, द्रुत।
प्राय:अक्सर, अधिकतर, बहुधा, अमूमन।
कदाचितशायद, संभवतः, मुमकिन है, कदापि (निषेध में)।
विशेषमुख्य, खास, विशिष्ट, प्रधान।
स्पष्टसाफ, प्रकट, व्यक्त, प्रत्यक्ष।
32

निम्‍नलिखित मे से “आत्मदर्शन” का पर्यायवाची शब्‍द क्‍या है?

  1. ((a))

    अंतरावलोकन

  2. ((b))

    अधिदेशी

  3. ((c))

    नियोजनीय

  4. ((d))

    विनोदात्मक

Show Answer
Answer: ((a))

अंतरावलोकन

“आत्मदर्शन” का सही पर्यायवाची शब्द है- अंतरावलोकन

Key Points

  • 'आत्मदर्शन' का अर्थ होता है - अपनी आत्मा या अपने आंतरिक स्वरूप का साक्षात्कार करना।
  • इसी प्रकार 'अंतरावलोकन' का अर्थ है - अपने अंदर (अंतः) देखना या अपने मन का विश्लेषण करना।
  • समान अर्थ प्रकट करने वाले शब्दों को पर्यायवाची या समानार्थी शब्द कहते हैं।
  • 'आत्मदर्शन' और 'अंतरावलोकन' दोनों शब्द स्व-चिंतन की प्रक्रिया को दर्शाते हैं।
  • आत्मदर्शन के अन्य पर्यायवाची: आत्म-साक्षात्कार, स्वानुभव, आत्मबोध।
  • अंतरावलोकन के अन्य पर्यायवाची: आत्म-निरीक्षण, अंतर्मुखी दृष्टि।

अन्य विकल्प -

शब्द/विकल्पविग्रह/अर्थभेद/प्रकार
अधिदेशीवह जो आदेश या शासन से संबंधित हो ।विशेषण
नियोजनीयजिसे नियोजित किया जा सके।विशेषण
विनोदात्मकजो विनोद या मनोरंजन से परिपूर्ण हो ।विशेषण

Important Points 

 पर्यायवाची शब्दों के भेद-

  1. पूर्ण पर्याय: जो शब्द एक-दूसरे के स्थान पर पूरी तरह फिट बैठते हैं।
  2. पूर्ण-अपूर्ण पर्याय: जो शब्द एक संदर्भ में तो समान होते हैं, लेकिन दूसरे में नहीं।
  3. अपूर्ण पर्याय: जिनके अर्थ में सूक्ष्म अंतर होता है, जैसे - 'जल' और 'पानी'।

Additional Information

शब्दपर्यायवाची शब्द
परमात्माईश्वर, जगदीश, परमेश्वर, अगोचर, विभु।
मोक्षमुक्ति, निर्वाण, कैवल्य, सद्गति, अपवर्ग।
साधनातपस्या, आराधना, उपासना, अनुष्ठान, मनन।
अंतरात्माअंतर्मन, अंतःकरण, चैतन्य, जीव, साक्षी।
वैराग्यविराग, वितृष्णा, निर्वेद, अनासक्ति, संन्यास।
शांतिअमन, चैन, सुकून, निस्तब्धता, प्रशांति।
विनम्रताविनय, नम्रता, शील, विनीतभाव, मृदुता।
साहसपराक्रम, शौर्य, हिम्मत, निर्भीकता, पुरुषार्थ।
संतोषतृप्ति, तुष्टि, रजामंदी, सब्र, संतोख।
अहंकारगर्व, दर्प, दंभ, मद, अभिमान।
करुणादया, अनुकंपा, रहम, तरस, संवेदना।
33

शब्‍द “मनोनुकूल” मे कौन-सी संधि है?

  1. ((a))

    यण संधि

  2. ((b))

    विसर्ग संधि

  3. ((c))

    अयादि संधि

  4. ((d))

    व्‍यंजन संधि

Show Answer
Answer: ((b))

विसर्ग संधि

शब्‍द “मनोनुकूल” में संधि का सही उदाहरण/उत्तर है- विसर्ग संधि

Key Points

  • शब्द “मनोनुकूल” का संधि विच्छेद 'मनः + अनुकूल' होता है।
  • नियम के अनुसार, यदि विसर्ग (ः) से पहले 'अ' स्वर हो और उसके बाद भी 'अ' स्वर या किसी वर्ग का तीसरा, चौथा, पाँचवाँ वर्ण अथवा य, र, ल, व, ह हो, तो विसर्ग का परिवर्तन 'ओ' में हो जाता है।
  • अन्य उदाहरण:
  • मनः + अभिलाषा = मनोभिलाषा
  • यशः + गान = यशोगान

अन्य विकल्प -

शब्द/विकल्पविग्रह/अर्थभेद/प्रकार
यण संधिइ/ई, उ/ऊ, ऋ के बाद असमान स्वर आने पर होने वाला परिवर्तन। (जैसे: प्रति + एक = प्रत्येक)स्वर संधि
अयादि संधिए, ऐ, ओ, औ के बाद कोई स्वर आने पर वे क्रमशः अय्, आय्, अव्, आव् में बदल जाते हैं। (जैसे: ने + अन = नयन)स्वर संधि
व्यंजन संधिव्यंजन के साथ व्यंजन या स्वर के मेल से जो विकार उत्पन्न होता है। (जैसे: उत् + हार = उद्धार)व्यंजन संधि

Important Points 

 संधि के मुख्य भेद-

  1. स्वर संधि: दो स्वरों के मेल से होने वाला विकार।
  2. व्यंजन संधि: व्यंजन का व्यंजन या स्वर से मेल होने पर होने वाला विकार।
  3. विसर्ग संधि: विसर्ग के साथ स्वर या व्यंजन के मेल से होने वाला विकार।

Additional Information

प्रकार/भेदपरिभाषाउदाहरण
विसर्ग संधिविसर्ग (ः) के साथ स्वर या व्यंजन के मेल से जो विकार (परिवर्तन) होता है, उसे विसर्ग संधि कहते हैं।मनः + योग = मनोयोग निः + छल = निश्छल
34

मन में संचरण करने वाले भाव ______ कहलाते हैं, ये भाव पानी के बुलबुलों के सामान उठते और विलीन हो जाने वाले भाव होते हैं|

  1. ((a))

    स्थायी भाव

  2. ((b))

    विभाव

  3. ((c))

    संचारी भाव

  4. ((d))

    अनुभाव

Show Answer
Answer: ((c))

संचारी भाव

सही उत्तर है- संचारी भाव

Key Points

  • संचारी भाव वे भाव होते हैं जो मनुष्य के चित्त में अल्पकाल के लिए उत्पन्न होते हैं और अपना कार्य (स्थायी भाव को पुष्ट करना) करके विलीन हो जाते हैं।
  • काव्यशास्त्र के अनुसार, जो भाव मन में केवल अल्प समय के लिए संचरण (आना-जाना) करते हैं, उन्हें संचारी भाव या व्यभिचारी भाव कहा जाता है। ये पानी के बुलबुलों की भाँति बनते और मिटते रहते हैं।
  • उदाहरण के तौर पर- हर्ष, विषाद, त्रास, लज्जा, ग्लानि और चिंता आदि संचारी भाव हैं। इनकी कुल संख्या 33 मानी गई है।

अन्य विकल्प -

शब्द/विकल्पविग्रह/अर्थभेद/प्रकार
स्थायी भाववे भाव जो मनुष्य के हृदय में हमेशा संस्कार रूप में विद्यमान रहते हैं।रस का मुख्य अंग (9 या 11)
विभावजो भावों को जाग्रत करने के मुख्य कारण होते हैं।आलंबन और उद्दीपन
अनुभावभाव के जाग्रत होने पर आश्रय द्वारा की जाने वाली बाहरी चेष्टाएँ।कायिक, मानसिक, सात्विक

Important Points 

 रस के अंगों के भेद-

  1. स्थायी भाव (मूल भाव)
  2. विभाव (कारण)
  3. अनुभाव (कार्य/प्रतिक्रिया)
  4. संचारी भाव (व्यभिचारी भाव)

Additional Information

प्रकार/भेदपरिभाषाउदाहरण
रसकिसी काव्य को पढ़ने, सुनने या देखने से प्राप्त होने वाले आनंद को ही रस कहते हैं। इसे 'काव्य की आत्मा' माना गया है। ​हिन्दी में मूल रूप से 9 रस माने गए हैं: श्रृंगार, हास्य, रौद्र, करुण, वीर, अद्भुत, वीभत्स, भयानक और शांत रसशृंगार रस = रति वीर रस = उत्साह
35

निम्‍नलिखित मे से शब्‍द ‘कसौटी’ कौन-से प्रत्‍यय का प्रयोग कर बनाया गया है?

  1. ((a))

    कस

  2. ((b))

    औटी

  3. ((c))

    टी

  4. ((d))

    दिए गए विकल्पों में से कोई नहीं

Show Answer
Answer: ((b))

औटी

'कसौटी' शब्द में प्रयुक्त प्रत्यय का सही उत्तर है- औटी

Key Points

  • 'कसौटी' शब्द 'कस' (मूल शब्द) और 'औटी' (प्रत्यय) के योग से बना है। 'कस' का अर्थ होता है परखना या खींचना।
  • वे शब्दांश जो किसी शब्द के अंत में जुड़कर उसके अर्थ में विशेषता या परिवर्तन ला देते हैं, उन्हें प्रत्यय कहते हैं।
  • 'औटी' प्रत्यय के अन्य उदाहरण:
  • चुनौती = चुन + औटी
  • फिरौती = फिर + औटी

अन्य विकल्प -

शब्द/विकल्पविग्रह/अर्थभेद/प्रकार
कसयह 'कसौटी' शब्द का मूल शब्द है।धातु/मूल शब्द
टीयह केवल एक वर्ण है, यहाँ प्रत्यय के रूप में सार्थक नहीं है।निरर्थक विकल्प

Important Points 

 प्रत्यय के मुख्य भेद-

  1. कृत प्रत्यय: जो क्रिया या धातु के अंत में लगते हैं। जैसे- लेखक = लिख् + अक।
  2. तद्धित प्रत्यय: जो संज्ञा, सर्वनाम या विशेषण के अंत में लगते हैं।  जैसे- अपनापन = अपना + पन।

Additional Informationप्रमुख हिंदी प्रत्यय और उनके उदाहरण-

  • पन : लड़कपन, अपनापन, मौनपन।
  • आवट: सजावट, लिखावट, मिलावट, दिखावट।
  • आई : चढ़ाई, पढ़ाई, लिखाई, धुलाई।
  • कार: लेखकार, कलाकार, कुंभकार।
  • ई : मजदूरी, तैराकी, हँसी, कहानी।
  • आन: उड़ान, मिलान, लगान, उठान।
  • आऊ: बिकाऊ, कमाऊ, टिकाऊ, खाऊ।
  • वान/वान् : गुणवान, धनवान, बलवान।
36

निम्‍निलिखित मे से कौन-सा शब्‍द ‘ऐया’ प्रत्‍यय का प्रयोग कर नहीं बनाया गया है?

  1. ((a))

    चढ़ैया

  2. ((b))

    रखैया

  3. ((c))

    बढ़िया

  4. ((d))

    लुटैया

Show Answer
Answer: ((c))

बढ़िया

दिए गए विकल्पों में से ‘ऐया’ प्रत्यय का प्रयोग कर नहीं बनाया गया शब्द है- बढ़िया

Key Points

  • 'बढ़िया' शब्द में मूल शब्द 'बढ़' है और इसमें 'इया' प्रत्यय जुड़ा है।
  • प्रत्यय वे शब्द या शब्दांश होते हैं जो किसी शब्द के अंत में जुड़कर उसके अर्थ में परिवर्तन या विशेषता लाते हैं।
  • 'ऐया' एक कृत प्रत्यय है जो क्रिया के साथ जुड़कर कर्तावाचक शब्द बनाता है।
  • 'ऐया' प्रत्यय के अन्य उदाहरण: गवैया (गा + ऐया), बचैया (बच + ऐया), खेवैया (खे + ऐया)।

अन्य विकल्प -

शब्द/विकल्पविग्रह/अर्थभेद/प्रकार
चढ़ैयाचढ़ + ऐयाकृत प्रत्यय
रखैयारख + ऐयाकृत प्रत्यय
लुटैयालुट + ऐयाकृत प्रत्यय

Important Points 

 प्रत्यय के मुख्य भेद-

  1. कृत प्रत्यय: जो प्रत्यय क्रिया या धातु के अंत में लगते हैं। जैसे- पढ़ाई = पढ़ + आई।
  2. तद्धित प्रत्यय: जो प्रत्यय संज्ञा, सर्वनाम या विशेषण के अंत में लगते हैं। जैसे- मानवता = मानव + ता।

Additional Informationप्रमुख प्रत्यय और उदाहरण: 

  • ता: सुंदरता, महानता, कोमलता, निर्धनता।
  • पन: अपनापन, बचपन, मौनपन।
  • आहट: मुस्कराहट, घबराहट, चिल्लाहट, कड़वाहट।
  • आवट: मिलावट, लिखावट, सजावट, दिखावट।
  • आई: पढ़ाई, लिखाई, चढ़ाई, धुलाई।
  • आन: उड़ान, मिलान, लगान, उठान।
  • कार: कलाकार, साहित्यकार, रचनाकार।
37

निम्‍नलिखित मे से कौन-सा शब्‍द कर्मधारय समास का है?

  1. ((a))

    आपबीती

  2. ((b))

    दीनदयाल

  3. ((c))

    जलधारा

  4. ((d))

    महात्‍मा

Show Answer
Answer: ((d))

महात्‍मा

दिए गए विकल्पों में कर्मधारय समास का सही उत्तर है- महात्‍मा

Key Points

  • 'महात्मा' शब्द का विग्रह 'महान है जो आत्मा' होता है। यहाँ 'महान' विशेषण है और 'आत्मा' विशेष्य है।
  • जिस समास का उत्तरपद (दूसरा पद) प्रधान हो और पूर्वपदउत्तरपद में विशेषण-विशेष्य अथवा उपमान-उपमेय का संबंध हो, उसे कर्मधारय समास कहते हैं।
  • अन्य उदाहरण:
  • नीलकमल = नीला है जो कमल
  • चरणकमल = कमल के समान चरण

अन्य विकल्प -

शब्द/विकल्पविग्रह/अर्थभेद/प्रकार
आपबीतीआप पर बीतीतत्पुरुष समास (अधिकरण)
दीनदयालदीनों पर दयालु (दया करने वाले)तत्पुरुष समास
जलधाराजल की धारातत्पुरुष समास (सम्बन्ध)

Important Points 

 समास के मुख्य भेद-

  1. अव्ययीभाव समास
  2. तत्पुरुष समास
  3. कर्मधारय समास
  4. द्विगु समास
  5. द्वन्द्व समास
  6. बहुव्रीहि समास

Additional Informationतत्पुरुष समास-

  • वह समास है जिसमें उत्तर पद (दूसरा पद) प्रधान होता है और पूर्व पद (पहला पद) गौण होता है।
  • इसमें विग्रह करते समय कारक चिह्नों (जैसे- को, से, के लिए, का, की, के, में, पर) का प्रयोग होता है,
  • और समस्त पद बनाते समय इन विभक्ति चिन्हों का लोप हो जाता है।

तत्पुरुष समास के प्रमुख भेद (कारक के आधार पर):

  • कर्म तत्पुरुष (को): जैसे- 'स्वर्गप्राप्त' (स्वर्ग को प्राप्त)।
  • करण तत्पुरुष (से, के द्वारा): जैसे- 'मनचाहा' (मन से चाहा)।
  • संप्रदान तत्पुरुष (के लिए): जैसे- 'रसोईघर' (रसोई के लिए घर)।
  • अपादान तत्पुरुष (से - अलग होने के अर्थ में): जैसे- 'ऋणमुक्त' (ऋण से मुक्त)।
  • संबंध तत्पुरुष (का, की, के): जैसे- 'राजपुत्र' (राजा का पुत्र)।
  • अधिकरण तत्पुरुष (में, पर): जैसे- 'आत्मविश्वास' (आत्मा पर विश्वास)।
38

निम्‍नलिखित मे से द्रव्‍यवाचक संज्ञा शब्‍द का चयन कीजिए-

  1. ((a))

    तांबा

  2. ((b))

    मिठास

  3. ((c))

    कुर्सी

  4. ((d))

    पर्वत

Show Answer
Answer: ((a))

तांबा

द्रव्‍यवाचक संज्ञा शब्‍द का सही उदाहरण है- तांबा

Key Points

  • 'तांबा' एक धातु का नाम है जिसे मापा या तौला जा सकता है, इसलिए यह द्रव्यवाचक संज्ञा का उदाहरण है।
  • जिस संज्ञा शब्द से किसी द्रव्य, पदार्थ, धातु या अधातु का बोध होता है, उसे द्रव्यवाचक संज्ञा कहते हैं।
  • इन वस्तुओं की गणना नहीं की जा सकती, बल्कि इन्हें केवल मापा या तौला जा सकता है।
  • द्रव्यवाचक संज्ञा के अन्य उदाहरण: सोना, लोहा, दूध, तेल, पानी आदि।
  • सोना एक कीमती धातु है।

अन्य विकल्प -

शब्द/विकल्पविग्रह/अर्थभेद/प्रकार
मिठासयह मीठा होने के गुण या अवस्था का बोध कराता है।भाववाचक संज्ञा
कुर्सीयह एक विशेष वस्तु की पूरी जाति या वर्ग का बोध कराती है।जातिवाचक संज्ञा
पर्वतयह संपूर्ण विश्व के पहाड़ों/पर्वतों की श्रेणी का बोध कराता है।जातिवाचक संज्ञा

Important Points संज्ञा के मुख्य भेद-

  1. व्यक्तिवाचक संज्ञा
  2. जातिवाचक संज्ञा
  3. भाववाचक संज्ञा
  4. समूहवाचक संज्ञा
  5. द्रव्यवाचक संज्ञा

Additional Information

संज्ञा के भेदपरिभाषाउदाहरणवाक्य प्रयोग
व्यक्तिवाचककिसी विशेष व्यक्ति, वस्तु या स्थान का नाम।राम, गंगा, दिल्ली, हिमालय, भारत।गंगा एक पवित्र नदी है।
जातिवाचककिसी प्राणी, वस्तु या स्थान की पूरी जाति का बोध।लड़का, नदी, शहर, पर्वत, देश।लड़का मैदान में खेल रहा है।
भाववाचकगुण, दोष, अवस्था या मन के भाव का बोध।मिठास, बचपन, क्रोध, ईमानदारी।गन्ने में बहुत मिठास है।
समूहवाचककिसी समूह या समुदाय का बोध।सेना, कक्षा, भीड़, परिवार, गुच्छा।भारतीय सेना बहुत बहादुर है।
39

मुहावरा 'चोली-दामन का साथ होना' का निम्‍नलिखित में से क्‍या अर्थ है?

  1. ((a))

    अत्यधिक घनिष्ठता होना।

  2. ((b))

    अपमानित होना।

  3. ((c))

    अत्यधिक प्रसन्न होना।

  4. ((d))

    प्रस्थान करना।

Show Answer
Answer: ((a))

अत्यधिक घनिष्ठता होना।

मुहावरा 'चोली-दामन का साथ होना' का सही अर्थ है- अत्यधिक घनिष्ठता होना।

Key Points

  • 'चोली-दामन का साथ' मुहावरे का अर्थ अत्यधिक घनिष्ठता या अटूट संबंध होना है।
  • जब दो व्यक्ति या वस्तुएं एक-दूसरे से इतनी गहराई से जुड़ी हों कि उन्हें अलग करना कठिन हो, तब चोली-दामन का साथ मुहावरे का प्रयोग किया जाता है।
  • उदाहरण:
  1. राम और श्याम की मित्रता चोली-दामन का साथ जैसी है।
  2. शिक्षा और सदाचार का चोली-दामन का साथ होता है।

अन्य विकल्प -

अर्थमुहावरा
अपमानित होनातिरस्कृत होना या 'मुंह की खाना'।
अत्यधिक प्रसन्न होनाफूले न समाना या 'बाग-बाग होना'।
प्रस्थान करनाचले जाना या 'नौ दो ग्यारह होना'।

Important Points  मुहावरा की विशेषताएँ-

  1. मुहावरा पूर्ण वाक्य न होकर वाक्यांश होता है।
  2. मुहावरा अपना सामान्य अर्थ छोड़कर विशेष अर्थ प्रकट करता है।
  3. मुहावरे का रूप लिंग, वचन और कारक के अनुसार बदल जाता है।

Additional Information

मुहावराअर्थवाक्य प्रयोग
दाँत खट्टे करनाबुरी तरह हरानाभारतीय सैनिकों ने युद्ध में दुश्मनों के "दाँत खट्टे कर दिए"।
लोहे के चने चबानाकठिन कार्य करनासरकारी नौकरी पाना आज के समय में "लोहे के चने चबाना जैसा है"।
ईद का चाँद होनाबहुत दिनों बाद मिलनामित्र, तुम तो सरकारी नौकरी लगते ही "ईद का चाँद हो गए हो"।
घोड़े बेचकर सोनाबेफिक्र होकर सोनापरीक्षा खत्म होते ही राहुल "घोड़े बेचकर सो रहा है"।
गागर में सागर भरनाथोड़े शब्दों में बड़ी बात कहनाकवि बिहारी ने अपने दोहों में "गागर में सागर भर दिया है"।
अँगूठा दिखानासाफ मना कर देनाजब मुझे मदद की जरूरत थी, तब उसने "अँगूठा दिखा दिया"।
40

निम्‍नलिखित में से कौन-सा शब्‍द बहुवचन मे प्रयुक्‍त किया जाता है?

  1. ((a))

    पानी

  2. ((b))

    दूध

  3. ((c))

    दर्शन

  4. ((d))

    घी

Show Answer
Answer: ((c))

दर्शन

बहुवचन में प्रयुक्त होने वाले शब्द का सही उत्तर है- दर्शन

Key Points

  • हिंदी व्याकरण में 'दर्शन' शब्द का प्रयोग हमेशा बहुवचन के रूप में किया जाता है। जैसे- "आज मैंने भगवान के दर्शन किए।"
  • नियम के अनुसार, कुछ शब्द हिंदी में सदैव बहुवचन ही रहते हैं, उनका एकवचन रूप प्रयोग में नहीं आता है।
  • इसके अन्य उदाहरण हैं: प्राण (उसके प्राण पखेरू उड़ गए), हस्ताक्षर (मैंने कागजों पर हस्ताक्षर कर दिए)।

अन्य विकल्प -

शब्द/विकल्पविग्रह/अर्थभेद/प्रकार
पानीएक तरल पदार्थ, जिसका प्रयोग केवल एकवचन में होता है।द्रव्यवाचक संज्ञा (सदैव एकवचन)
दूधपशुओं से प्राप्त सफेद तरल, जो पीने के काम आता है।द्रव्यवाचक संज्ञा (सदैव एकवचन)
घीदूध के मथने से बना चिकना पदार्थ।द्रव्यवाचक संज्ञा (सदैव एकवचन)

Important Points 

 वचन के भेद-

  1. एकवचन : शब्द के जिस रूप से एक ही वस्तु या व्यक्ति का बोध हो। उदाहरण: लड़का, गाय, पुस्तक, मेज, कलिका, वह, यह।
  2. बहुवचन : शब्द के जिस रूप से एक से अधिक वस्तुओं या व्यक्तियों का बोध हो। उदाहरण: लड़के, गायें, पुस्तकें, मेजें, कलिकाएँ, वे, ये।

Additional Information

प्रकार/भेदपरिभाषाउदाहरण
सदा बहुवचनवे शब्द जो हमेशा बहुवचन के रूप में ही बोले जाते हैं। सदैव बहुवचन शब्द - प्राण, हस्ताक्षर, आँसू, दर्शन, लोग, भाग्य, होश, समाचार, बाल, दाम  आदिआँसू = उसकी आँखों से आँसू निकल पड़े। लोग = वहाँ बहुत लोग खड़े थे।
सदा एकवचनद्रव्यवाचक संज्ञाएँ और समूहवाचक शब्द अक्सर एकवचन में प्रयोग होते हैं। सदैव एकवचन शब्द - जनता, पानी, वर्षा, सोना, दूध, भीड़, आकाश, सत्य, सामान, प्रेम आदिजनता = जनता भड़क गई। आकाश = आकाश नीला है।
41

In the below question, sentence/passage is split into four parts and named P, Q, R & S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct.

<br>

P. She was succeeded by a self-confident youngish man who received an ovation, on which he plumed himself very obviously.

Q. A girl was singing in a thin soprano.

R. Her voice was sweet and true but without expression.

S. It was like someone trying over an air on a flute.

  1. ((a))

    PRSQ

  2. ((b))

    PQRS

  3. ((c))

    QRSP

  4. ((d))

    RQPS

Show Answer
Answer: ((c))

QRSP

The correct answer is 'Option 3' i.e. QRSP .

Key Points

  • The sentence is divided into four parts: P, Q, R, and S, which need to be arranged logically to form a meaningful passage.
  • The sentence begins with the introduction of a girl singing in a thin soprano (Q).
  • Her voice is then described as sweet and true but without expression (R).
  • The next logical continuation is the comparison of her voice to someone trying an air on a flute (S).
  • Finally, the passage concludes with the mention of her successor, a self-confident young man who received an ovation (P).

Correct sequence: Q → R → S → P.

Additional Information

  • In sequencing questions, always look for a logical flow of ideas, starting with an introduction, followed by details, comparisons, and conclusions.
  • Identify key connectors or phrases that link one part to the next to ensure a coherent arrangement.
42

In the below question, sentence/passage is split into four parts and named P, Q, R & S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct.

<br>

P. The only thing it couldn't bear was the hoot of the ship's siren.

Q. Jack took his parrot up to the deck, much to the amusement of all the passengers.

R. The bird had a wonderful time, showing off.

S. It startled the bird so much that it fell off Jack's shoulder every time it heard it.

  1. ((a))

    PQRS

  2. ((b))

    QRPS

  3. ((c))

    QPRS

  4. ((d))

    PRSQ

Show Answer
Answer: ((b))

QRPS

The correct answer is 'Option 2' i.e. QRPS .

Key Points

  • The given sentence fragments need to be rearranged to form a coherent and meaningful passage.
  • Let us analyze the fragments:
  • Q: Introduces Jack taking the parrot to the deck, setting the scene.
  • R: Describes the parrot having fun and showing off on the deck.
  • P: Refers to something the bird couldn't tolerate.
  • S: Explains how the hoot of the ship's siren startled the bird, causing it to fall off Jack's shoulder.
  • The logical order begins with Q, which introduces the context. Then comes R, which describes the parrot's enjoyment. P follows, explaining the one thing the parrot couldn't bear. Finally, S concludes by narrating the bird's reaction to the siren.

Correct sequence: QRPS

Additional Information

  • Breaking down the flow:
  • Q: Establishes the setting and introduces Jack and his parrot.
  • R: Describes the parrot's actions and enjoyment.
  • P: Explains the parrot's dislike for the ship's siren.
  • S: Narrates the consequence of the siren's hoot.
  • This arrangement ensures logical and chronological progression, making the passage coherent.
43

In the following question, a part of the sentence may contain an error. Identify the part that contains the error and select it as your answer. If the sentence is free from error, select 'No error'.

<br>

The protest on the state highway near the village was called off temporarily.

  1. ((a))

    The protest on the state highway

  2. ((b))

    near the village was

  3. ((c))

    called off temporarily.

  4. ((d))

    No error

Show Answer
Answer: ((d))

No error

The correct answer is 'Option 4' i.e. No error.

Key Points

  • The sentence provided is grammatically correct and does not contain any errors.
  • It describes a past event where a protest was temporarily called off, and the structure is logically and syntactically sound.
  • Each part of the sentence correctly conveys its intended meaning without violating any grammatical rules.

Correct sentence: The protest on the state highway near the village was called off temporarily.

Additional Information

  • Types of Sentence Errors:
  • Subject-Verb Agreement: Ensures the subject and verb agree in number.
  • Tense Consistency: Maintains the correct sequence of tenses throughout the sentence.
  • Punctuation Errors: Ensures proper use of commas, periods, and other punctuation marks.
  • Word Order: Ensures the sentence follows logical syntax rules.
  • In this case, none of the above errors are present, confirming the sentence is free from error.
44

Identify the segment that contains a grammatical error. If there is no error, select 'No error'.

<br>

The use of calculators is prohibited in the examination.

  1. ((a))

    The use of calculators

  2. ((b))

    is prohibited in

  3. ((c))

    the examination.

  4. ((d))

    No error.

Show Answer
Answer: ((d))

No error.

The correct answer is 'Option 4' i.e. No error .

Key Points

  • The sentence is grammatically correct as written. There is no error in any of the segments.
  • The subject of the sentence, "The use of calculators," is singular and properly matched with the singular verb "is."
  • The phrase "is prohibited in the examination" is clear and correct in its construction, adhering to proper grammar rules.

Correct sentence: The use of calculators is prohibited in the examination.

Additional Information

  • Verb Agreement: It is important to ensure that the subject and verb agree in number. In this case, the singular subject "use" matches with the singular verb "is."
  • Sentence Clarity: The sentence is straightforward and does not contain any ambiguous or incorrect phrases.
45

Select the most appropriate meaning of the given idiom.

<br>

Hold someone or something at bay

  1. ((a))

    To thrive or to grow very successfully.

  2. ((b))

    Trap or corner a person or animal being hunted or chased.

  3. ((c))

    To seek punishment for a person or group.

  4. ((d))

    Prevent someone or something from moving closer.

Show Answer
Answer: ((d))

Prevent someone or something from moving closer.

The idiom "hold at bay" means to keep someone or something at a distance, or to prevent them from approaching or attacking. It is derived from hunting, where a hunted animal, when cornered, turns to face its pursuers, keeping them at a distance. In a broader sense, it is used to describe keeping a threat, danger, or problem under control so that it does not cause immediate harm. Therefore, "Prevent someone or something from moving closer" is the correct meaning.

46

Identify the segment in the sentence which contains the grammatical error from the given options.

<br>

People and there demands are ever-growing, but the availability of land is limited.

  1. ((a))

    People

  2. ((b))

    there demands

  3. ((c))

    growing, but

  4. ((d))

    is limited

Show Answer
Answer: ((b))

there demands

The correct answer is 'Option 2' i.e. there demands should be corrected.

Key Points

  • The word "there" is used to refer to a place, position, or location. However, in the given sentence, it is incorrectly used to refer to possession.
  • The correct word in this context should be "their", which denotes possession or ownership.
  • Hence, the phrase "there demands" should be corrected to "their demands".

Correct sentence: People and their demands are ever-growing, but the availability of land is limited.

Additional Information

  • Common Confusion: Many people confuse there, their, and they're. Here's a quick breakdown:
  • There: Refers to a place or position (e.g., "The book is over there.").
  • Their: Shows possession (e.g., "Their house is beautiful.").
  • They're: A contraction of "they are" (e.g., "They're going to the park.").
  • To avoid such mistakes, always check the context of the sentence to determine the correct word to use.
47

Identify the segment that contains a grammatical error. If there is no error, select 'No error'.

<br>

The young boy tried to jerk out of the way, but she grabbed him and began rubbing the tip of his nose to get the stain off.

  1. ((a))

    The young boy tried to jerk out of the way,

  2. ((b))

    rubbing the tip of his nose to get the stain off.

  3. ((c))

    No error

  4. ((d))

    but she grabbed him and began

Show Answer
Answer: ((c))

No error

The correct answer is Option(3) i.e. No error.

Key Points

  • The sentence is grammatically correct with proper use of tense, structure, and connectors. (व्याकरणिक रूप से सही)
  • Example: She grabbed the child and cleaned his face gently.
  • The phrase "began rubbing" correctly follows the verb pattern where "begin" can take a gerund form (-ing). (क्रिया संरचना सही है)
  • Example: He began writing a letter.
  • The sentence maintains logical sequence and clarity of action without any grammatical inconsistency. (तार्किक और स्पष्ट)
  • Example: He slipped but managed to regain balance quickly.

Therefore, the correct answer is- No error.

Additional Information

Here are the other options explained along with their Hindi meanings:

  • The young boy tried to jerk out of the way (लड़के ने हटने की कोशिश की): Grammatically correct clause.
  • Example: He tried to move away quickly.
  • rubbing the tip of his nose to get the stain off (नाक रगड़ना दाग हटाने के लिए): Correct use of gerund phrase.
  • Example: She kept wiping the table to remove stains.
  • but she grabbed him and began (लेकिन उसने उसे पकड़ा और शुरू किया): Proper conjunction and verb usage.
  • Example: She grabbed the bag and began running.
48

Select the most appropriate meaning of the given idiom.

<br>

Through thick and thin

  1. ((a))

    In good and bad times.

  2. ((b))

    With great pride.

  3. ((c))

    To work hard to the point of exhaustion.

  4. ((d))

    In every possible way.

Show Answer
Answer: ((a))

In good and bad times.

The correct answer is Option(1) i.e. In good and bad times.

Key Points

  • The idiom "through thick and thin" means staying loyal or supportive during both difficult and favorable situations. (हर परिस्थिति में साथ देना)
  • Example: True friends stand by each other through thick and thin.
  • It emphasizes consistency and commitment regardless of circumstances. (निरंतरता और निष्ठा)
  • Example: She supported her family through thick and thin.

Therefore, the correct answer is- In good and bad times.

Additional Information

Here are the other options explained along with their Hindi meanings:

  • With great pride (गर्व के साथ): Doing something proudly.
  • Example: He accepted the award with great pride.
  • To work hard to the point of exhaustion (थकान तक मेहनत करना): Working excessively.
  • Example: She worked herself to exhaustion before the exam.
  • In every possible way (हर संभव तरीके से): In all manners.
  • Example: He tried in every possible way to solve the issue.
49

Select the most appropriate meaning of the given idiom.

<br>

That ship has sailed.

  1. ((a))

    Too extreme to follow.

  2. ((b))

    Too late to do something.

  3. ((c))

    To reach safely.

  4. ((d))

    To arrive early.

Show Answer
Answer: ((b))

Too late to do something.

The correct answer is Option(2) i.e. Too late to do something.

Key Points

  • The idiom "That ship has sailed" means that an opportunity has already passed and cannot be taken anymore. (मौका निकल चुका है)
  • Example: I wanted to apply for the job, but that ship has sailed.
  • It is used when something is no longer possible because the right time is over. (बहुत देर हो चुकी है)
  • Example: You should have studied earlier; now that ship has sailed.

Therefore, the correct answer is- Too late to do something.

Additional Information

Here are the other options explained along with their Hindi meanings:

  • Too extreme to follow (बहुत कठिन): Something too difficult or unreasonable.
  • Example: His demands were too extreme to follow.
  • To reach safely (सुरक्षित पहुंचना): Arriving without harm.
  • Example: The passengers reached safely at their destination.
  • To arrive early (जल्दी पहुंचना): Coming before the expected time.
  • Example: She arrived early for the meeting.
50

Identify the segment in the sentence which contains the grammatical error from the given options.

<br>

Most of the freshwater lake in India are in the Himalayan region.

  1. ((a))

    Most of the

  2. ((b))

    lake in

  3. ((c))

    in the

  4. ((d))

    regions

Show Answer
Answer: ((b))

lake in

The correct answer is 'Option 2' i.e. lake in .

Key Points

  • The phrase "lake in" is grammatically incorrect because the word "lake" is singular, but it refers to a general group of lakes in the sentence.
  • To correct the sentence, the singular form "lake" should be replaced with the plural form "lakes", as the context is about multiple freshwater lakes.
  • The corrected part of the sentence should read: "lakes in".

Correct sentence: Most of the freshwater lakes in India are in the Himalayan region.

Additional Information

  • It is important to ensure subject-verb agreement and pluralization to maintain grammatical accuracy in sentences.
  • In this case, the context indicates multiple freshwater lakes, so the plural form "lakes" is required.
51

Select the most appropriate antonym of the given word.

<br>

OVERRUN

  1. ((a))

    Invade

  2. ((b))

    Storm

  3. ((c))

    Inundate

  4. ((d))

    Shield

Show Answer
Answer: ((d))

Shield

The correct answer is Option(4) i.e. Shield.

Key Points

  • The word "overrun" means to invade or spread over something in large numbers. (आक्रमण करना / भर जाना)
  • Example: The city was overrun by protesters.
  • "Shield" means to protect or defend from harm, which is opposite in meaning to "overrun". (सुरक्षा करना)
  • Example: The army shielded the civilians from danger.

Therefore, the correct answer is- Shield.

Additional Information

Here are the other options explained along with their Hindi meanings:

  • Invade (आक्रमण करना): To enter forcefully; similar to overrun.
  • Example: The army invaded the territory.
  • Storm (धावा बोलना): To attack suddenly and violently.
  • Example: The soldiers stormed the building.
  • Inundate (जलमग्न करना / भर देना): To overwhelm or flood.
  • Example: The area was inundated with water after heavy rain.
52

Select the most appropriate meaning of the given idiom.

<br>

Hold the fort.

  1. ((a))

    To avoid being found guilty of a crime.

  2. ((b))

    To take responsibility for a situation temporarily.

  3. ((c))

    To stop talking about something.

  4. ((d))

    To finish something before time.

Show Answer
Answer: ((b))

To take responsibility for a situation temporarily.

The correct answer is Option(2) i.e. To take responsibility for a situation temporarily.

Key Points

  • The idiom "hold the fort" means to manage or take care of things in someone’s absence for a short time. (अस्थायी रूप से जिम्मेदारी संभालना)
  • Example: I’ll hold the fort while you attend the meeting.
  • It implies maintaining control or keeping things running until the main person returns. (स्थिति संभालना)
  • Example: She held the fort at the office while her boss was on leave.

Therefore, the correct answer is- To take responsibility for a situation temporarily.

Additional Information

Here are the other options explained along with their Hindi meanings:

  • To avoid being found guilty of a crime (दोष से बचना): Not related to the idiom.
  • Example: He tried to avoid being found guilty.
  • To stop talking about something (बात बंद करना): Not the correct meaning.
  • Example: Let’s stop talking about this issue.
  • To finish something before time (समय से पहले पूरा करना): Not related to the idiom.
  • Example: She finished her work before time.
53

Select the most appropriate option to fill in the blank.

<br>

John ran pretty fast, ______________ he did not win the race.

  1. ((a))

    for

  2. ((b))

    though

  3. ((c))

    so

  4. ((d))

    and

Show Answer
Answer: ((b))

though

The correct answer is 'Option 2' i.e. though.

Key Points

  • The sentence, "John ran pretty fast, ____________ he did not win the race," requires a conjunction that indicates contrast.
  • Option 2, "though," is the most appropriate choice because it introduces a contrast between John running fast and not winning the race.
  • The other options do not fit the context:
  • Option 1 (for): This is used to indicate a reason, which is not suitable here.
  • Option 3 (so): This indicates a result, which does not match the contrast in the sentence.
  • Option 4 (and): This adds information but does not show contrast.

Correct sentence: John ran pretty fast, though he did not win the race.

Additional Information

  • Conjunctions of Contrast:
  • Though/Although: Used to show contrast between two clauses. Example: Although it was raining, we went for a walk.
  • However: Used to introduce a statement that contrasts with what has been said earlier. Example: He is rich; however, he is not happy.
  • But: A simple conjunction to show contrast. Example: She is intelligent but lazy.
54

Select the most appropriate antonym of the given word.

<br>

FLEETING

  1. ((a))

    Brief

  2. ((b))

    Lasting

  3. ((c))

    Feeble

  4. ((d))

    Passing

Show Answer
Answer: ((b))

Lasting

The correct answer is Option(2) i.e. Lasting.

Key Points

  • The word "fleeting" means lasting for a very short time; temporary. (क्षणिक)
  • Example: The happiness was fleeting and disappeared quickly.
  • "Lasting" means enduring for a long time, which is the opposite of fleeting. (स्थायी)
  • Example: They built a lasting friendship over the years.

Therefore, the correct answer is- Lasting.

Additional Information

Here are the other options explained along with their Hindi meanings:

  • Brief (संक्षिप्त): Lasting for a short time; similar to fleeting.
  • Example: He gave a brief explanation.
  • Feeble (कमजोर): Lacking strength; unrelated.
  • Example: He gave a feeble attempt to lift the box.
  • Passing (क्षणिक): Short-lived; similar to fleeting.
  • Example: It was just a passing thought.
55

Find the most appropriate option for the given blank space which makes the given sentence grammatically and contextually correct.

<br>

She's a photographer and ______________ writes books.

  1. ((a))

    too

  2. ((b))

    also

  3. ((c))

    together

  4. ((d))

    again

Show Answer
Answer: ((b))

also

The correct answer is 'Option 2' i.e. also .

Key Points

  • The given sentence states two activities performed by the subject ("She's a photographer" and "writes books").
  • The word "also" is used to add another fact or activity to the sentence, making it the most appropriate choice.
  • "Too" would imply similarity, but it does not fit the context as well as "also." The other options ("together" and "again") are grammatically and contextually incorrect.

Correct sentence: She's a photographer and also writes books.

Additional Information

  • Usage of "also":
  • "Also" is commonly used to add additional information about someone or something.
  • It is often placed before the main verb in a sentence.
  • Incorrect Options:
  • "Too": Implies similarity but does not fit the sentence structure as effectively.
  • "Together": Refers to joint action or unity, which is not the intended meaning here.
  • "Again": Suggests repetition, which is irrelevant to the context.
56

Find the most appropriate option for the given blank space which makes the given sentence grammatically and contextually correct.

<br>

He’s quite short, __________ his sister is tall.

  1. ((a))

    whether

  2. ((b))

    wherever

  3. ((c))

    so that

  4. ((d))

    whereas

Show Answer
Answer: ((d))

whereas

The correct answer is Option(4) i.e. whereas.

Key Points

  • The word "whereas" is used to show contrast between two ideas or statements. (जबकि)
  • Example: He prefers tea, whereas I like coffee.
  • In the sentence, a contrast is shown between "short" and "tall", making "whereas" the most appropriate choice. (विरोधाभास दर्शाना)
  • Example: She is very calm, whereas her brother is quite aggressive.

Therefore, the correct answer is- whereas.

correct sentence is: He’s quite short, whereas his sister is tall.

Additional Information

Here are the other options explained along with their Hindi meanings:

  • whether (क्या): Used to express a choice between alternatives.
  • Example: I don’t know whether he will come or not.
  • wherever (जहाँ भी): Refers to any place.
  • Example: Sit wherever you like.
  • so that (ताकि): Used to express purpose.
  • Example: Study hard so that you can succeed.
57

Find the most appropriate option for the given blank space which makes the given sentence grammatically and contextually correct.

<br>

It might take her a long time but she'll do it ___________.

  1. ((a))

    forever

  2. ((b))

    later

  3. ((c))

    eventually

  4. ((d))

    initially

Show Answer
Answer: ((c))

eventually

The correct answer is Option(3) i.e. eventually.

Key Points

  • The word "eventually" means after a long time or in the end. (आखिरकार)
  • Example: After many attempts, he eventually succeeded.
  • It fits the sentence because it suggests that despite taking time, the task will be completed in the end. (अंततः)
  • Example: She struggled at first but eventually learned how to swim.

Therefore, the correct answer is- eventually.

Additional Information

Here are the other options explained along with their Hindi meanings:

  • forever (हमेशा): For all time; not suitable here.
  • Example: I will remember this forever.
  • later (बाद में): At a subsequent time; less precise in this context.
  • Example: I will call you later.
  • initially (प्रारंभ में): At the beginning; opposite meaning here.
  • Example: Initially, he was unsure about the plan.
58

Select the most appropriate antonym of the given word.

<br>

DESPISE

  1. ((a))

    Admire

  2. ((b))

    Dislike

  3. ((c))

    Hate

  4. ((d))

    Contempt

Show Answer
Answer: ((a))

Admire

The correct answer is Option(1) i.e. Admire.

Key Points

  • The word "despise" means to strongly dislike or hate someone or something. (घृणा करना)
  • Example: He despises dishonesty.
  • "Admire" means to respect or feel positive about someone or something, which is the opposite of "despise". (प्रशंसा करना)
  • Example: She admires her teacher for his dedication.

Therefore, the correct answer is- Admire.

Additional Information

Here are the other options explained along with their Hindi meanings:

  • Dislike (नापसंद करना): To not like something; weaker than despise.
  • Example: I dislike bitter food.
  • Hate (घृणा करना): Strong dislike; similar to despise.
  • Example: She hates injustice.
  • Contempt (तिरस्कार): A feeling of deep disrespect; related meaning.
  • Example: He looked at them with contempt.
59

Select the antonym of the given word.

<br>

GATHER

  1. ((a))

    display

  2. ((b))

    dispute

  3. ((c))

    distract

  4. ((d))

    disperse

Show Answer
Answer: ((d))

disperse

The correct answer is Option(4) i.e. disperse.

Key Points

  • The word "gather" means to bring together or collect in one place. (इकट्ठा करना)
  • Example: People gathered in the hall for the meeting.
  • "Disperse" means to scatter or spread out, which is the opposite of gather. (बिखेरना / फैलाना)
  • Example: The crowd dispersed after the event ended.

Therefore, the correct answer is- disperse.

Additional Information

Here are the other options explained along with their Hindi meanings:

  • display (प्रदर्शित करना): To show something; not an antonym.
  • Example: The museum displays ancient artifacts.
  • dispute (विवाद करना): To argue or disagree.
  • Example: They had a dispute over the property.
  • distract (ध्यान भटकाना): To divert attention.
  • Example: Loud noise can distract students during exams.
60

Select the antonym of the given word.

<br>

DENSE

  1. ((a))

    sparse

  2. ((b))

    thick

  3. ((c))

    condensed

  4. ((d))

    opaque

Show Answer
Answer: ((a))

sparse

The correct answer is Option(1) i.e. sparse.

Key Points

  • The word "dense" means closely packed together or having a high concentration. (घना / सघन)
  • Example: The forest was dense with tall trees.
  • "Sparse" means thinly scattered or not dense, which is the opposite of dense. (छितरा हुआ / विरल)
  • Example: The population in that area is sparse.

Therefore, the correct answer is- sparse.

Additional Information

Here are the other options explained along with their Hindi meanings:

  • thick (मोटा / घना): Similar to dense.
  • Example: The fog was thick in the morning.
  • condensed (संक्षिप्त / सघन): Made denser; not an antonym.
  • Example: The report was condensed into a short summary.
  • opaque (अपारदर्शी): Not allowing light to pass through; unrelated meaning.
  • Example: The glass is opaque and cannot be seen through.
61

500 gm of sugar solution has 45 percent sugar in it by weight. How much sugar must be added in the solution to make it 60 percent sugar solution (by weight)?

  1. ((a))

    175.5 gm

  2. ((b))

    195.5 gm

  3. ((c))

    187.5 gm

  4. ((d))

    182.5 gm

Show Answer
Answer: ((c))

187.5 gm

Given:

Weight of sugar solution = 500 gm

Percentage of sugar in the solution = 45%

Target percentage of sugar in the solution = 60%

Formula used:

Let the weight of sugar to be added = x gm

Total weight of sugar in the new solution = Existing sugar + Added sugar

New solution weight = Existing solution weight + Added sugar

Total sugarNew solution weight×100=Target percentage of sugar\frac{\text{Total sugar}}{\text{New solution weight}} \times 100 = \text{Target percentage of sugar}

Calculation:

Existing sugar = 45100×500=225\frac{45}{100} \times 500 = 225 gm

New sugar = (225+x)(225 + x) gm

New solution weight = (500+x)(500 + x) gm

From the formula:

225+x500+x×100=60\frac{225 + x}{500 + x} \times 100 = 60

225+x500+x=0.6\frac{225 + x}{500 + x} = 0.6

(225+x)=0.6×(500+x)(225 + x) = 0.6 \times (500 + x)

225+x=300+0.6x225 + x = 300 + 0.6x

x0.6x=300225x - 0.6x = 300 - 225

0.4x=750.4x = 75

750.4=x\frac{75}{0.4} = x

⇒ x = 187.5 gm

∴ The correct answer is option 3 (187.5 gm).

62

A tank can be filled with water by two pipes A and B in 36 minutes working together. If Pipe B was stopped after 32 minutes, then the tank is filled in 42 minutes. The pipe B can alone fill the tank in :

  1. ((a))

    80 minutes

  2. ((b))

    90 minutes

  3. ((c))

    75 minutes

  4. ((d))

    60 minutes

Show Answer
Answer: ((d))

60 minutes

Given:

Two pipes A and B can fill the tank together in 36 minutes.

Pipe B is stopped after 32 minutes, and the total time to fill the tank is 42 minutes.

We need to find the time taken by Pipe B alone to fill the tank.

Formula used:

Work = Rate × Time

Total work (Tank capacity) = LCM of total time = 36 units (assuming the tank's capacity is 36 units).

Efficiency = Work ÷ Time

Calculation:

Let the efficiency of Pipe A = A and Pipe B = B.

Combined efficiency of A and B: A + B = 36 ÷ 36 = 1 unit/min

Work completed by A and B in 32 minutes:

⇒ Work = Efficiency × Time

⇒ Work = 1 × 32 = 32 units

Remaining work = Total work - Work completed

⇒ Remaining work = 36 - 32 = 4 units

Time taken by Pipe A alone to complete the remaining work = 42 - 32 = 10 minutes

Efficiency of Pipe A:

⇒ A = Work ÷ Time

⇒ A = 4 ÷ 10 = 0.4 units/min

Efficiency of Pipe B:

⇒ B = Total efficiency - A

⇒ B = 1 - 0.4 = 0.6 units/min

Time taken by Pipe B alone to fill the tank:

⇒ Time = Work ÷ Efficiency

⇒ Time = 36 ÷ 0.6 = 60 minutes

∴ The correct answer is option 4.

63

Convert 3.232323... into fraction.

  1. ((a))

    329 \frac{32}{9}

  2. ((b))

    32099 \frac{320}{99}

  3. ((c))

    32390 \frac{323}{90}

  4. ((d))

    29899 \frac{298}{99}

Show Answer
Answer: ((b))

32099 \frac{320}{99}

Given:

Number = 3.232323...

Formula used:

If a repeating decimal has 'n' repeating digits, let the repeating decimal be represented as x. Multiply x by 10n to shift the repeating part, then subtract the original x to eliminate the repeating decimal.

Calculation:

Let x = 3.232323...

⇒ 100x = 323.232323... (Shift decimal two places as two digits repeat)

⇒ 100x - x = 323.232323... - 3.232323...

⇒ 99x = 320

⇒ x = 320 ÷ 99

⇒ x = 32099\frac{320}{99}

∴ The correct answer is option 2.

64

What should come in place of the question mark (?) in the following question?

17643×21527×10822=? \frac{176}{43} \times \frac{215}{27} \times \frac{108}{22} = ?

  1. ((a))

    160

  2. ((b))

    150

  3. ((c))

    140

  4. ((d))

    320

Show Answer
Answer: ((a))

160

Given:

17643×21527×10822\dfrac{176}{43} \times \dfrac{215}{27} \times \dfrac{108}{22} = ?

Formula used:

Direct multiplication and simplification of fractions.

Calculations:

17643×21527×10822\dfrac{176}{43} \times \dfrac{215}{27} \times \dfrac{108}{22}

⇒ Multiply numerators: 176 × 215 × 108 = 4,080,960

⇒ Multiply denominators: 43 × 27 × 22 = 25,626

408096025626\dfrac{4080960}{25626}

⇒ Simplify: 4080960 ÷ 25626 = 160

∴ The correct answer is option 1.

65

Jackson walked every morning from Monday to Saturday. The ratio of distance walked on Monday to Tuesday is 2 : 1, on Tuesday to Wednesday is 3 : 2, on Wednesday to Thursday is 3 : 4, on Thursday to Friday is 2 : 1 and Friday to Saturday is 2 : 3. Find the ratio of the products of distances walked on Monday, Tuesday, and Wednesday to the products of distances walked on Thursday, Friday, and Saturday.

  1. ((a))

    243 : 64

  2. ((b))

    27 : 4

  3. ((c))

    64 : 27

  4. ((d))

    81 : 16

Show Answer
Answer: ((d))

81 : 16

Given:

The ratio of distances walked:

Monday : Tuesday = 2 : 1

Tuesday : Wednesday = 3 : 2

Wednesday : Thursday = 3 : 4

Thursday : Friday = 2 : 1

Friday : Saturday = 2 : 3

We need to find the ratio of the product of distances walked on Monday, Tuesday, and Wednesday to the product of distances walked on Thursday, Friday, and Saturday.

Formula used:

For ratios, assign variables for distances and calculate the product ratios accordingly.

Let the distance walked on Saturday = x. Use the ratios to express all distances in terms of x.

Calculation:

Saturday = x

⇒ Friday = 23x\frac{2}{3}x

⇒ Thursday = 12×23x=13x\frac{1}{2} \times \frac{2}{3}x = \frac{1}{3}x

⇒ Wednesday = 43×13x=49x\frac{4}{3} \times \frac{1}{3}x = \frac{4}{9}x

⇒ Tuesday = 23×49x=827x\frac{2}{3} \times \frac{4}{9}x = \frac{8}{27}x

⇒ Monday = 21×827x=1627x\frac{2}{1} \times \frac{8}{27}x = \frac{16}{27}x

Now calculate the required product ratio:

Product of distances walked on Monday, Tuesday, and Wednesday:

= 1627x×827x×49x=16×8×427×27×9x3\frac{16}{27}x \times \frac{8}{27}x \times \frac{4}{9}x = \frac{16 \times 8 \times 4}{27 \times 27 \times 9}x^3

= 5126561x3\frac{512}{6561}x^3

Product of distances walked on Thursday, Friday, and Saturday:

= 13x×23x×x=1×2×13×3×1x3\frac{1}{3}x \times \frac{2}{3}x \times x = \frac{1 \times 2 \times 1}{3 \times 3 \times 1}x^3

= 29x3\frac{2}{9}x^3

Ratio of products:

= 5126561x329x3\frac{\frac{512}{6561}x^3}{\frac{2}{9}x^3}

5126561÷29=512×96561×2\frac{512}{6561} \div \frac{2}{9} = \frac{512 \times 9}{6561 \times 2}

460813122=8116\frac{4608}{13122} = \frac{81}{16}

∴ The correct answer is option 4.

66

The radius of a soft iron ball is 3 cm. It pressed to make a 1cm thick circular disc. Find the total surface area of the disc.

  1. ((a))

    216 cm2

  2. ((b))

    264 cm2

  3. ((c))

    314 cm2

  4. ((d))

    324 cm2

Show Answer
Answer: ((b))

264 cm2

Given:

Radius of soft iron ball (r) = 3 cm

Thickness of circular disc (h) = 1 cm

Formula used:

Volume of sphere = 43πr3\frac{4}{3}\pi r^3

Volume of disc = πR2h\pi R^2h

Surface area of disc = 2πR2\pi R^2 + (2πRh)(2\pi Rh)

Where R = radius of the disc

Calculation:

Volume of sphere = Volume of disc

43πr3=πR2h\frac{4}{3}\pi r^3 = \pi R^2h

43(3)3=R2(1)\frac{4}{3}(3)^3 = R^2(1)

43×27=R2\frac{4}{3}×27 = R^2

36=R236 = R^2

⇒ R = 6 cm

Surface area of the disc = 2πR2\pi R^2 + (2πRh)(2\pi Rh)

(2π(6)2)+(2π(6)(1))(2\pi (6)^2) + (2\pi (6)(1))

(2π36)+(2π6)(2\pi 36) + (2\pi 6)

(72π)+(12π)(72\pi) + (12\pi)

(84π)(84\pi)

Take π = 3.14

(84×3.14)=263.76,cm2(84×3.14) = 263.76 , \text{cm}^2

≈ 264 cm2

∴ The correct answer is option 2.

67

A grocer sell 40 percent of the rice at the profit of 60 percent and 60 percent rice at the profit of 15 percent. Find the average profit of the grocer if he sells only rice.

  1. ((a))

    42 percent

  2. ((b))

    28 percent

  3. ((c))

    33 percent

  4. ((d))

    20 percent

Show Answer
Answer: ((c))

33 percent

Given:

A grocer sells 40% of the rice at a profit of 60%, and 60% of the rice at a profit of 15%.

Formula used:

Average Profit = (Profit1 × Quantity1 + Profit2 × Quantity2) / Total Quantity

Calculations:

Let the total quantity of rice = 100 units.

Profit1 = 60%, Quantity1 = 40% of 100 = 40 units

Profit2 = 15%, Quantity2 = 60% of 100 = 60 units

⇒ Average Profit = [(60 × 40) + (15 × 60)] / 100

⇒ Average Profit = (2400 + 900) / 100

⇒ Average Profit = 3300 / 100

⇒ Average Profit = 33%

∴ The correct answer is option 3.

68

12 males complete a piece of work in 18 days. 12 females complete the same work in 24 days. Then in how many days work will be completed by 10 males and 8 females?

  1. ((a))

    12

  2. ((b))

    1212 12\frac{1}{2}

  3. ((c))

    13

  4. ((d))

    1312 13\frac{1}{2}

Show Answer
Answer: ((d))

1312 13\frac{1}{2}

Given:

12 males complete a piece of work in 18 days.

12 females complete the same work in 24 days.

We need to calculate the number of days required for 10 males and 8 females to complete the work.

Formula used:

Work = Total work / Efficiency

Efficiency of males = Total work / Days taken by males

Efficiency of females = Total work / Days taken by females

Combined efficiency = Efficiency of 10 males + Efficiency of 8 females

Required time = Total work / Combined efficiency

Calculation:

Total work = LCM of 18 and 24 = 72 units

Efficiency of 12 males = 72 / 18 = 4 units/day

Efficiency of 1 male = 4 / 12 = 1/3 units/day

Efficiency of 12 females = 72 / 24 = 3 units/day

Efficiency of 1 female = 3 / 12 = 1/4 units/day

Efficiency of 10 males = 10 × (1/3) = 10/3 units/day

Efficiency of 8 females = 8 × (1/4) = 8/4 = 2 units/day

Combined efficiency = (10/3) + 2 = (10/3) + (6/3) = 16/3 units/day

Required time = Total work / Combined efficiency = 72 / (16/3)

⇒ Required time = 72 × (3/16) = 216 / 16 = 13.5 days

∴ The correct answer is option 4.

69

The given table shows the number of footballs made by five workers.

Day → Worker ↓MondayTuesdayWednesdayThursdayFridaySaturday
P9070110857560
Q406570829095
R1009574806360
S404050456030
T546532488596
<br>

In how many days the number of football made by R is more than the average number of football made by P per day?

  1. ((a))

    1

  2. ((b))

    3

  3. ((c))

    0

  4. ((d))

    2

Show Answer
Answer: ((d))

2

Given:

Number of footballs made by R: [100, 95, 74, 80, 63, 60]

Number of footballs made by P: [90, 70, 110, 85, 75, 60]

Formula used:

Average = Total footballs made by P ÷ Total days

Condition: Compare R's daily production with P's average production.

Calculation:

Total footballs made by P = 90 + 70 + 110 + 85 + 75 + 60

⇒ Total footballs made by P = 490

Average footballs made by P = Total footballs ÷ Days

⇒ Average footballs made by P = 490 ÷ 6

⇒ Average footballs made by P = 81.67

Compare R's daily production with P's average:

Day 1: R = 100 > 81.67 (True)

Day 2: R = 95 > 81.67 (True)

Day 3: R = 74 < 81.67 (False)

Day 4: R = 80 < 81.67 (False)

Day 5: R = 63 < 81.67 (False)

Day 6: R = 60 < 81.67 (False)

Total days R's production is more than P's average = 2

∴ The correct answer is option 4.

70

Anuj sold an article for Rs.576 at some profit. Had she sold it for Rs.480, then there would have been a loss equal to one- third of the initial profit. What was the cost price of the article?

  1. ((a))

    Rs.540

  2. ((b))

    Rs.516

  3. ((c))

    Rs.504

  4. ((d))

    Rs.494

Show Answer
Answer: ((c))

Rs.504

Given:

Anuj sold an article for ₹576 at a profit.

If sold for ₹480, there would have been a loss equal to one-third of the initial profit.

Find the cost price of the article.

Formula used:

Profit = Selling Price (SP) - Cost Price (CP)

Loss = Cost Price (CP) - Selling Price (SP)

Loss = (1/3) × Profit

Calculation:

Let the Cost Price (CP) = x.

Profit = ₹576 - x

Loss = x - ₹480

As given, Loss = (1/3) × Profit:

⇒ x - ₹480 = (1/3) × (₹576 - x)

⇒ 3(x - ₹480) = ₹576 - x

⇒ 3x - ₹1440 = ₹576 - x

⇒ 3x + x = ₹576 + ₹1440

⇒ 4x = ₹2016

⇒ x = ₹504

∴ The correct answer is option 3.

71

The ratio of investment by A to that by B in a business is 16 : 19 and the ratio of their respective profits at the end of a year is 4:912 4:9\frac{1}{2} . If A invested the money for 4 months, then for how much time (in months) B invested his money?

  1. ((a))

    6

  2. ((b))

    8

  3. ((c))

    12

  4. ((d))

    16

Show Answer
Answer: ((b))

8

Given:

Investment ratio of A : B = 16 : 19

Profit ratio of A : B = 4 : 9 1/2 = 4 : 19/2

Time for A = 4 months

Time for B = ?

Formula used:

Investment × Time ∝ Profit

Let the time for B = t months.

(Investment of A×Time of A):(Investment of B×Time of B)=Profit ratio(Investment\ of\ A \times Time\ of\ A) : (Investment\ of\ B \times Time\ of\ B) = Profit\ ratio

Calculation:

(16×4):(19×t)=4:192(16 \times 4) : (19 \times t) = 4 : \dfrac{19}{2}

16×419×t=419/2\dfrac{16 \times 4}{19 \times t} = \dfrac{4}{19/2}

16×419×t=4×219\dfrac{16 \times 4}{19 \times t} = \dfrac{4 \times 2}{19}

16×419×t=819\dfrac{16 \times 4}{19 \times t} = \dfrac{8}{19}

16×4=8×19×t16 \times 4 = 8 \times 19 \times t

64=152t64 = 152t

t=64152t = \dfrac{64}{152}

t=1638=8 monthst = \dfrac{16}{38} = 8\ months

∴ The correct answer is option 2.

72

The ratio of copper to zinc in alloys X and Y are 5 : 4 and 8 : 7, respectively. X and Y are taken in the ratio 3 : 5 and melted to form a new alloy Z. What is the ratio of copper to zinc in new alloy Z?

  1. ((a))

    11:13

  2. ((b))

    13:9

  3. ((c))

    13:11

  4. ((d))

    27:43

Show Answer
Answer: ((c))

13:11

Given:

Alloy X: Copper to Zinc ratio = 5 : 4

Alloy Y: Copper to Zinc ratio = 8 : 7

Ratio of X to Y taken = 3 : 5

Formula used:

New ratio of Copper to Zinc = Total Copper from X and YTotal Zinc from X and Y\dfrac{\text{Total Copper from X and Y}}{\text{Total Zinc from X and Y}}

Calculation:

Let the total quantity of X and Y be 8 units (3 + 5).

Quantity of X = 3 units, Quantity of Y = 5 units

Copper in X = 59×3\dfrac{5}{9} \times 3 = 159\dfrac{15}{9} = 5/3

Zinc in X = 49×3\dfrac{4}{9} \times 3 = 129\dfrac{12}{9} = 4/3

Copper in Y = 815×5\dfrac{8}{15} \times 5 = 4015\dfrac{40}{15} = 8/3

Zinc in Y = 715×5\dfrac{7}{15} \times 5 = 3515\dfrac{35}{15} = 7/3

Total Copper = 53+83\dfrac{5}{3} + \dfrac{8}{3} = 133\dfrac{13}{3}

Total Zinc = 43+73\dfrac{4}{3} + \dfrac{7}{3} = 113\dfrac{11}{3}

New ratio of Copper to Zinc = 133113\dfrac{\dfrac{13}{3}}{\dfrac{11}{3}} = 1311\dfrac{13}{11}

∴ The correct answer is option 3.

73

A businessman marks his item 10% above the cost price. He allows his customer 10% discount on the marked price. How much profit or loss does he make?

  1. ((a))

    1% gain

  2. ((b))

    1% loss

  3. ((c))

    5% gain

  4. ((d))

    No gain no loss

Show Answer
Answer: ((b))

1% loss

Given:

Marked Price (MP) = 10% above Cost Price (CP)

Discount = 10% on MP

Formula used:

Selling Price (SP) = MP - Discount

MP = CP + 10% of CP = 1.1 × CP

Discount = 10% of MP = 0.1 × MP

SP = MP - Discount

Profit/Loss Percentage = SPCPCP×100\dfrac{SP - CP}{CP} \times 100

Calculation:

MP = 1.1 × CP

Discount = 0.1 × MP = 0.1 × (1.1 × CP) = 0.11 × CP

SP = MP - Discount = (1.1 × CP) - (0.11 × CP)

⇒ SP = 0.99 × CP

Profit/Loss Percentage = SPCPCP×100\dfrac{SP - CP}{CP} \times 100

⇒ Profit/Loss Percentage = 0.99×CPCPCP×100\dfrac{0.99 \times CP - CP}{CP} \times 100

⇒ Profit/Loss Percentage = 0.01×CPCP×100\dfrac{-0.01 \times CP}{CP} \times 100

⇒ Profit/Loss Percentage = -1%

∴ The correct answer is option 2 (1% loss).

74

In a partnership a sum of Rs.13000 is divided amongst P, Q, R and S such that Ps shareQs share=Qs shareRs share=Rs shareSs share=23 \frac{P's \ share}{Q's \ share} = \frac{Q's \ share}{R's \ share} = \frac{R's \ share}{S's \ share} = \frac{2}{3} than Q's share is

  1. ((a))

    Rs.1200

  2. ((b))

    Rs.2000

  3. ((c))

    Rs.2400

  4. ((d))

    Rs.3000

Show Answer
Answer: ((c))

Rs.2400

Given:

Total Amount = ₹13,000

Ps shareQs share=Qs shareRs share=Rs shareSs share=23 \frac{P's\ share}{Q's\ share} = \frac{Q's\ share}{R's\ share} = \frac{R's\ share}{S's\ share} = \frac{2}{3}

Formula used:

If ab=bc=cd=k \frac{a}{b} = \frac{b}{c} = \frac{c}{d} = k , then shares are proportional to k3,k2,k,1 k^3, k^2, k, 1 .

Calculation:

Proportional shares:

P : Q : R : S = 23:22:21:1 2^3 : 2^2 : 2^1 : 1 = 8 : 4 : 2 : 1

Total ratio = 8 + 4 + 2 + 1 = 15

Q's share:

⇒ Q = 415×13000 \frac{4}{15} \times 13000

⇒ Q = ₹2400

∴ The correct answer is option 3.

75

Simplify:
9376÷16+1848÷6+5(49) 9376 \div 16 + 1848 \div 6 + 5 (4-9)

  1. ((a))

    919

  2. ((b))

    822

  3. ((c))

    864

  4. ((d))

    869

Show Answer
Answer: ((d))

869

Given:

Simplify: 9376 ÷ 16 + 1848 ÷ 6 + 5 × (4 - 9)

Formula used:

Perform division, addition, subtraction, and multiplication as per BODMAS.

Calculation:

Step 1: Simplify each term:

⇒ 9376 ÷ 16 = 586

⇒ 1848 ÷ 6 = 308

⇒ 5 × (4 - 9) = 5 × (-5) = -25

Step 2: Add the results:

⇒ 586 + 308 - 25 = 869

∴ The correct answer is option 4.

76

If 4 men and 6 women can do a piece of work in 9 days and 6 men and 6 women in 7 day. In how many days can the work be done by 7 men and 4 women together?

  1. ((a))

    4 days

  2. ((b))

    5 days

  3. ((c))

    6 days

  4. ((d))

    7 days

Show Answer
Answer: ((d))

7 days

Given:

4 men and 6 women can do a piece of work in 9 days.

6 men and 6 women can do the same work in 7 days.

To find: In how many days can the work be done by 7 men and 4 women together?

Formula used:

Work = Time × Efficiency

Total Work = LCM of Total Work from given data.

Efficiency of Men and Women is calculated using equations derived from the given work rate.

Calculation:

Let the efficiency of 1 man = m and 1 woman = w.

Total work = LCM of (4 × 9 + 6 × 7)

Efficieny-rate-corrector

Men ans women test

77

Four bells rings after an interval 6sec, 15sec, 21sec and 30sec. In 42 minutes, how many times will they ring together when they start together?

  1. ((a))

    15 times

  2. ((b))

    8 times

  3. ((c))

    13 times

  4. ((d))

    12 times

Show Answer
Answer: ((c))

13 times

Given:

Four bells ring at intervals of 6 seconds, 15 seconds, 21 seconds, and 30 seconds.

Total time = 42 minutes = 42 × 60 = 2520 seconds

Formula used:

To find when they ring together, we calculate the Least Common Multiple (LCM) of the intervals.

Number of times they ring together = Total time ÷ LCM + 1 (including the first occurrence).

Calculation:

Finding LCM of 6, 15, 21, and 30:

Prime factorization:

6 = 2 × 3

15 = 3 × 5

21 = 3 × 7

30 = 2 × 3 × 5

LCM = 2 × 3 × 5 × 7 = 210 seconds

Total time = 2520 seconds

⇒ Number of times = 2520 ÷ 210 + 1

⇒ Number of times = 12 + 1 = 13

∴ The correct answer is option 3.

78

An angle is two third of its compliment and one-fourth of its supplement then the angle is:

  1. ((a))

    46 46^{\circ}

  2. ((b))

    56 56^{\circ}

  3. ((c))

    36 36^{\circ}

  4. ((d))

    40 40^{\circ}

Show Answer
Answer: ((c))

36 36^{\circ}

Given:

An angle is two-thirds of its complement and one-fourth of its supplement.

Formula used:

If the angle is x:

Complement of angle = (90 - x)

Supplement of angle = (180 - x)

From the problem:

x = (2/3) × (90 - x) and x = (1/4) × (180 - x)

Calculation:

Step 1: Solve x = (2/3) × (90 - x)

⇒ 3x = 2 × (90 - x)

⇒ 3x = 180 - 2x

⇒ 3x + 2x = 180

⇒ 5x = 180

⇒ x = 36

Step 2: Verify x = 36 with x = (1/4) × (180 - x)

⇒ 36 = (1/4) × (180 - 36)

⇒ 36 = (1/4) × 144

⇒ 36 = 36 (Verified)

∴ The correct answer is option 3.

79

The lengths of a train and a platform are the same. The train running at a speed of 144 km/hr crosses this platform in 2 minutes. What is the total length (in metres) of the train?

  1. ((a))

    1000

  2. ((b))

    1200

  3. ((c))

    2400

  4. ((d))

    1800

Show Answer
Answer: ((c))

2400

Given:

Length of the train = Length of the platform

Speed of the train = 144 km/hr = 144 × (1000/3600) m/s = 40 m/s

Time taken to cross the platform = 2 minutes = 2 × 60 = 120 seconds

Formula used:

Total distance covered = Speed × Time

Since the train and platform have the same length, Total distance = 2 × Length of the train

Calculation:

Total distance covered = Speed × Time

⇒ 2 × Length of the train = 40 × 120

⇒ Length of the train = (40 × 120) / 2

⇒ Length of the train = 2400 m

∴ The correct answer is option 3.

80

A car travels at a speed of 36 kmph for 18 minutes and at a speed of 45 kmph for the next 9 minutes. Find the average speed of the car.

  1. ((a))

    48 kmph

  2. ((b))

    39 kmph

  3. ((c))

    36 kmph

  4. ((d))

    30 kmph

Show Answer
Answer: ((b))

39 kmph

Given:

Speed1 = 36 kmph

Time1 = 18 minutes = 1860\dfrac{18}{60} hours = 0.3 hours

Speed2 = 45 kmph

Time2 = 9 minutes = 960\dfrac{9}{60} hours = 0.15 hours

Formula used:

Average Speed = Total DistanceTotal Time\dfrac{\text{Total Distance}}{\text{Total Time}}

Calculations:

Total Distance = Distance1 + Distance2

Distance1 = Speed1 × Time1 = 36 × 0.3 = 10.8 km

Distance2 = Speed2 × Time2 = 45 × 0.15 = 6.75 km

⇒ Total Distance = 10.8 + 6.75 = 17.55 km

Total Time = Time1 + Time2 = 0.3 + 0.15 = 0.45 hours

Average Speed = Total DistanceTotal Time\dfrac{\text{Total Distance}}{\text{Total Time}} = 17.550.45\dfrac{17.55}{0.45}

⇒ Average Speed = 39 kmph

∴ The correct answer is option 2.

81

What does the slope of a velocity-time graph reveal?

  1. ((a))

    Momentum

  2. ((b))

    Accelaration

  3. ((c))

    Speed

  4. ((d))

    Velocity

Show Answer
Answer: ((b))

Accelaration

The correct answer is Acceleration.

Key Points

  • Velocity-time graph: The slope of a velocity-time graph is an essential concept in physics, as it directly represents the rate of change of velocity with respect to time, which is defined as acceleration.
  • Relationship: Mathematically, the slope of a graph is given by the formula: Slope = Δy / Δx. For a velocity-time graph, y-axis represents velocity, and x-axis represents time. Thus, Slope = Δv / Δt = Acceleration.
  • Types of slopes:
  • A positive slope indicates positive acceleration (velocity increasing over time).
  • A negative slope signifies negative acceleration (deceleration or velocity decreasing over time).
  • A zero slope means no acceleration (constant velocity).
  • Physical meaning: Acceleration is a vector quantity that describes how quickly an object’s velocity changes. It could be due to a change in the speed, direction, or both.
  • Example: Consider a car moving with a velocity of 10 m/s at time t = 0 and increasing its velocity to 20 m/s in 5 seconds. The slope of the velocity-time graph is calculated as:
  • Slope = (20 m/s - 10 m/s) / (5 s - 0 s) = 2 m/s².
  • This indicates the car has a constant acceleration of 2 m/s².

Additional Information

  • Momentum:
  • Momentum is the product of mass and velocity of an object, expressed as p = mv, where p is momentum, m is mass, and v is velocity.
  • Momentum is a vector quantity and does not relate to the slope of a velocity-time graph.
  • Speed:
  • Speed is the scalar magnitude of velocity and does not include direction. It is the distance traveled per unit time.
  • Speed cannot be determined directly from the slope of a velocity-time graph.
  • Velocity:
  • Velocity is a vector quantity that describes the rate of change of displacement with time.
  • It is represented on the y-axis of a velocity-time graph but is not determined by the graph’s slope.
  • Applications of velocity-time graphs:
  • Used to analyze the motion of objects in various scenarios, such as free fall, vehicle motion, or projectiles.
  • Helps determine acceleration, total displacement (area under the curve), and uniform/non-uniform motion patterns.
  • Practical examples of acceleration:
  • Free fall: An object under gravity accelerates at approximately 9.8 m/s².
  • Vehicles: Cars accelerating from rest to a specific velocity over time demonstrate varying slopes on a velocity-time graph.

Important Points

  • Uniform acceleration: When the slope of the velocity-time graph is constant, it indicates uniform acceleration, such as in free fall or uniformly accelerated motion.
  • Non-uniform acceleration: A changing slope on the velocity-time graph signifies non-uniform acceleration, which could occur in real-world scenarios like a car moving through traffic.
  • Area under the curve: The area beneath the velocity-time graph gives the total displacement of the object over a specific time interval.
  • Zero acceleration: A horizontal line on the velocity-time graph represents zero acceleration, indicating constant velocity.
82

Which instrument is used to observe celestial objects?

  1. ((a))

    Bioscope

  2. ((b))

    Telescope

  3. ((c))

    Periscope

  4. ((d))

    Microscope

Show Answer
Answer: ((b))

Telescope

The correct answer is Telescope.

Key Points

  • A Telescope is an optical instrument that aids in observing distant objects, particularly celestial bodies such as stars, planets, and galaxies.
  • The telescope works by collecting and magnifying light or other electromagnetic radiation to produce an enlarged image of distant objects.
  • It was first invented by the Dutch optician Hans Lippershey in 1608 and later improved by Galileo Galilei, who used it for astronomical observations.
  • Telescopes are classified into different types, including optical telescopes, radio telescopes, and space telescopes, based on their mechanism and usage.
  • The Hubble Space Telescope, launched in 1990, is one of the most famous telescopes used to capture detailed images of space.

Additional Information

  • Bioscope:
  • A bioscope is an early form of motion picture projector used to display silent films.
  • It has no relation to the observation of celestial objects and is primarily used in entertainment.
  • Periscope:
  • A periscope is an optical device used for observing objects from a concealed or protected position, such as in submarines or trenches.
  • It uses mirrors or prisms to reflect light but is not designed for astronomical purposes.
  • Microscope:
  • A microscope is a scientific instrument used to view objects that are too small to be seen by the naked eye, such as microorganisms and cells.
  • It is commonly used in biology, chemistry, and medical research, not for observing distant celestial objects.
  • Types of Telescopes:
  • Refracting Telescope: Uses lenses to gather and focus light. Example: Galileo’s telescope.
  • Reflecting Telescope: Uses mirrors instead of lenses for light collection. Example: Newtonian telescope.
  • Radio Telescope: Detects radio waves from space. Example: Arecibo Observatory.
  • Space Telescopes: Operates in space to avoid Earth's atmospheric interference. Example: James Webb Space Telescope.

Important Points

  • Galileo Galilei was the first to use a telescope for astronomical observations in 1609. He discovered the moons of Jupiter, craters on the Moon, and the phases of Venus.
  • Isaac Newton developed the first practical reflecting telescope in 1668, which overcame the issue of chromatic aberration in refracting telescopes.
  • Modern telescopes are equipped with advanced technologies like adaptive optics to correct distortions caused by Earth’s atmosphere.
  • Space-based telescopes, such as the Chandra X-ray Observatory, are essential for observing phenomena like black holes and distant galaxies.
83

What is a chronograph used for?

  1. ((a))

    Studying the blood in the human body

  2. ((b))

    To measure and record short periods of time

  3. ((c))

    Studying the chest

  4. ((d))

    Studying the arteries

Show Answer
Answer: ((b))

To measure and record short periods of time

The correct answer is To measure and record short periods of time..

Key Points

  • A chronograph is a specific type of watch that is used as a stopwatch combined with a display watch. Its primary function is to measure and record short periods of time.
  • It typically has independent sweep second hands, which can be started, stopped, and returned to zero by successive pressure on the stem.
  • Chronographs are widely used in fields like sports, aviation, and space exploration, where accurate time measurement is critical.
  • Modern chronographs often feature additional complications such as a tachymeter scale, which is used to measure speed over a known distance.
  • They are different from simple watches in that they feature multiple dials and hands to provide detailed time tracking.

Additional Information

  • Features and Functions of Chronographs:
  • Chronographs are equipped with a separate mechanism to measure elapsed time, usually initiated and controlled by pushers on the watch case.
  • They may include multiple sub-dials for tracking minutes, hours, or even fractions of a second.
  • A tachymeter, when included, allows the user to calculate speed based on travel time or measure distance based on speed.
  • Applications:
  • Sports: Used to measure performance times in events like racing and swimming.
  • Aviation: Pilots use chronographs for precise navigation and time management during flights.
  • Space Exploration: NASA-approved chronographs, such as the Omega Speedmaster, were used in space missions.
  • Comparison with Other Devices:
  • Chronometer: A chronometer is a high-precision timepiece certified for accuracy, whereas a chronograph focuses on measuring short time intervals.
  • Stopwatch: A chronograph combines the functionality of a stopwatch with a traditional watch, making it more versatile.
  • Examples of Chronographs:
  • Omega Speedmaster: Famously used during NASA's Apollo missions.
  • Rolex Daytona: A popular chronograph designed for motorsports enthusiasts.
  • Tag Heuer Monaco: Known for its association with racing and Steve McQueen.

Important Points

  • Other Uses of Chronographs:
  • Used in laboratories for precise time measurement during experiments.
  • Helpful in industrial applications where timing is crucial, such as manufacturing processes.
  • Some chronographs are designed for underwater use, catering to professional divers.
  • Historical Context:
  • The first chronograph was invented by Nicolas Mathieu Rieussec in 1821 for timing horse races.
  • Over the years, chronographs evolved to include automatic mechanisms and advanced features.
84

Nautical miles is used to measure the distance in which one of the following?

  1. ((a))

    Air pressure

  2. ((b))

    Navigation

  3. ((c))

    Space

  4. ((d))

    Cosmology

Show Answer
Answer: ((b))

Navigation

The correct answer is Navigation.

Key Points

  • Nautical miles are a unit of measurement specifically used in navigation and aviation to measure distances over water and in the air.
  • One nautical mile is defined as exactly 1,852 meters or approximately 1.1508 miles in the imperial system.
  • The nautical mile is based on the concept of the Earth's geometry, representing one minute of arc along the Earth's meridian (latitude).
  • It is widely used because of its direct relationship with latitude and longitude, which are essential for accurate navigation and charting.
  • In addition to maritime navigation, the nautical mile is used in aeronautics, particularly for flight planning and air traffic control.

Additional Information

  • Comparison with other units:
  • A nautical mile is slightly longer than a statute mile (commonly used on land), which is approximately 1,609 meters.
  • The unit is based on the Earth's curvature and is more suitable for global navigation than the statute mile, which is not linked to Earth's geometry.
  • Usage in Navigation:
  • Nautical miles are used in maritime and air navigation for charting courses and measuring distances between locations.
  • One nautical mile corresponds to one minute of latitude, simplifying the calculation of distances on maps and charts.
  • Knots:
  • The speed of ships and aircraft is measured in knots, where one knot is equivalent to one nautical mile per hour.
  • This unit is preferred in navigation due to its alignment with nautical miles and the Earth's grid system.
  • Applications:
  • Nautical miles are used by mariners, pilots, and the military for accurate navigation and communication.
  • They also play a crucial role in international law to define territorial waters and exclusive economic zones, which are usually measured in nautical miles from a country's coastline.
  • Historical Context:
  • The concept of a nautical mile dates back to ancient navigation practices, where sailors used the stars and Earth's curvature for guidance.
  • It was formally standardized as 1,852 meters by the International Hydrographic Organization (IHO) in 1929.

Important Points

  • Air Pressure: Measured in units like Pascals, bars, or atmospheres, air pressure is unrelated to nautical miles. It is a physical property describing the force exerted by air molecules.
  • Space: In space exploration, distances are typically measured in astronomical units (AU), light-years, or parsecs, not in nautical miles.
  • Cosmology: This branch of astronomy involves studying the universe's origin and evolution. It uses large-scale distance units like parsecs or light-years rather than nautical miles.
85

Acceleration is equal to the rate of change of ______.

  1. ((a))

    Momentum

  2. ((b))

    Displacement

  3. ((c))

    Velocity

  4. ((d))

    Position

Show Answer
Answer: ((c))

Velocity

The correct answer is Velocity.

Key Points

  • Acceleration is defined as the rate of change of velocity with respect to time. It is a vector quantity, meaning it has both magnitude and direction.
  • The formula for acceleration is: a = (v - u)/t, where:
  • v = Final velocity.
  • u = Initial velocity.
  • t = Time taken for the velocity change.
  • Acceleration can be positive, negative, or zero:
  • Positive acceleration: When velocity increases over time.
  • Negative acceleration: When velocity decreases over time, also called deceleration.
  • Zero acceleration: When velocity remains constant.
  • Units of acceleration are m/s² in the SI system.
  • Acceleration is observed in scenarios such as a car speeding up, a ball slowing down after being thrown, or gravitational acceleration due to Earth's pull.

Additional Information

  • Momentum:
  • Momentum is the product of mass and velocity (p = m × v).
  • It is a vector quantity with units of kg·m/s.
  • Momentum remains conserved in an isolated system (Law of Conservation of Momentum).
  • Displacement:
  • Displacement is the shortest straight-line distance between the initial and final positions of an object.
  • It is a vector quantity with units of meters (m).
  • Displacement differs from distance as it considers direction.
  • Position:
  • Position refers to the location of an object in a given reference frame.
  • It is typically described using a coordinate system (e.g., x, y, z axes in space).
  • Gravitational Acceleration:
  • The Earth's gravitational acceleration is approximately 9.8 m/s².
  • It affects all objects near the Earth's surface, pulling them downward.

Important Points

  • Newton's Second Law of Motion:
  • States that the force acting on an object is equal to the mass of the object multiplied by its acceleration (F = m × a).
  • This law directly relates acceleration to the net force applied to an object.
  • Applications of Acceleration:
  • Acceleration is critical in understanding vehicle dynamics, projectile motion, and satellite movements.
  • It is widely used in engineering, physics, and space exploration.
86

The velocities of layers ___________ uniformly from the bottom to the top layer.

  1. ((a))

    Increases

  2. ((b))

    Decreases

  3. ((c))

    It may increase or decrease

  4. ((d))

    Remains same

Show Answer
Answer: ((a))

Increases

The correct answer is Increases.

Key Points

  • In fluid mechanics, the velocity of layers in a fluid increases uniformly from the bottom to the top layer in the case of laminar flow. This is due to the no-slip condition at the boundary and the velocity gradient present in the fluid.
  • The bottom layer of the fluid adheres to the surface due to friction (no-slip condition), resulting in zero velocity at the boundary (stationary surface).
  • As we move upward from the bottom layer, the velocity of the fluid gradually increases due to reduced friction with the stationary boundary and increased interaction with faster-moving upper layers.
  • This phenomenon is commonly observed in laminar flow, where the fluid flows in parallel layers with no disruption between them.
  • The velocity profile for such flows typically follows a parabolic or linear distribution, depending on the specific conditions of the flow.

Additional Information

  • Laminar Flow:
  • In laminar flow, fluid particles move in smooth, parallel layers without mixing or turbulence.
  • Laminar flow occurs at low Reynolds numbers (typically less than 2000), where viscous forces dominate over inertial forces.
  • Examples include the flow of oil in a pipeline and blood flow in capillaries.
  • Velocity Gradient:
  • The velocity gradient is the rate of change of velocity with respect to distance within the fluid.
  • It is highest near the stationary boundary and decreases as the distance from the boundary increases.
  • No-Slip Condition:
  • The no-slip condition states that the velocity of a fluid at a solid boundary is equal to the velocity of the boundary itself (zero for a stationary boundary).
  • This condition is a fundamental principle in fluid mechanics and affects the velocity profile of the fluid.
  • Velocity Profile:
  • The velocity profile of a fluid is a graphical representation showing how the velocity of the fluid changes with distance from the boundary.
  • For laminar flow in a pipe, the velocity profile is parabolic, with the maximum velocity at the center and zero velocity at the walls.

Important Points

  • Turbulent Flow:
  • In turbulent flow, the velocity of fluid layers does not increase uniformly; instead, there are irregular fluctuations and mixing.
  • It occurs at high Reynolds numbers (greater than 4000), where inertial forces dominate over viscous forces.
  • Applications:
  • Understanding velocity profiles is crucial in designing pipelines, hydraulic systems, and aerodynamics studies.
  • It helps in calculating drag forces, energy losses, and optimizing fluid flow efficiency.
87

The work done by the conservative force in a closed path is_________?

  1. ((a))

    20 J

  2. ((b))

    Zero

  3. ((c))

    50 J

  4. ((d))

    100 J

Show Answer
Answer: ((b))

Zero

The correct answer is Zero.

Key Points

  • Conservative forces, such as gravitational and electrostatic forces, are forces where the work done is path-independent and depends only on the initial and final positions of the object.
  • The work done by a conservative force around a closed path (where the initial and final positions are the same) is always zero.
  • This property arises due to the conservation of energy in systems governed by conservative forces, ensuring no net energy is gained or lost when returning to the starting point.
  • Examples of conservative forces include gravitational force, electrostatic force, and spring force (elastic force).
  • Non-conservative forces, such as friction, do not exhibit this property, as their work depends on the path taken and typically results in energy dissipation as heat or sound.

Additional Information

  • Conservative Forces:
  • A force is considered conservative if the work done by the force is independent of the path taken and depends only on the displacement between the initial and final points.
  • Examples include gravitational force, electrostatic force, and the restoring force of a spring (Hooke's law).
  • Conservative forces allow the definition of potential energy, such as gravitational potential energy and elastic potential energy.
  • The work-energy theorem for conservative forces ensures that total mechanical energy (kinetic + potential) remains constant in isolated systems.
  • Non-Conservative Forces:
  • Non-conservative forces include friction, air resistance, and tension in certain cases.
  • These forces depend on the path taken and typically lead to energy dissipation, converting mechanical energy into other forms like heat.
  • Work done by non-conservative forces cannot be associated with potential energy.
  • An example is the loss of energy due to friction when an object slides along a surface.
  • Closed Path and Work:
  • In a closed path, the initial and final positions are the same, meaning the displacement vector is zero.
  • For conservative forces, the work done is zero because the force depends only on the position, not the path.
  • In contrast, non-conservative forces can perform net work over a closed path due to energy dissipation.
  • Applications of Conservative Forces:
  • Gravitational force: Utilized in planetary motion and satellite orbits, where energy conservation principles are applied.
  • Electrostatic force: Important in electric fields, capacitors, and Coulomb’s law applications.
  • Spring force: Used in oscillatory systems, such as pendulums and shock absorbers, governed by Hooke’s law.

Important Points

  • Energy Conservation: For systems governed by conservative forces, the total mechanical energy remains constant, ensuring no energy loss or gain.
  • Potential Energy: The concept of potential energy is directly linked to conservative forces, enabling calculations of stored energy based on position.
  • Path Independence: Conservative forces simplify calculations as the work done depends only on the displacement, not the trajectory.
  • Practical Examples: These principles are crucial in understanding natural phenomena like orbital mechanics, pendulum motion, and electric field interactions.
88

What is generally the mode of nutrition of dinoflagellates?

  1. ((a))

    Heterotrophic

  2. ((b))

    Chemotrophic

  3. ((c))

    Chemosynthetic

  4. ((d))

    Photosynthetic

Show Answer
Answer: ((d))

Photosynthetic

The correct answer is Photosynthetic.

Key Points

  • Dinoflagellates are a group of protists belonging to the phylum Dinophyta, which are primarily aquatic organisms.
  • The majority of dinoflagellates are photosynthetic, meaning they utilize sunlight to produce energy through the process of photosynthesis. They contain pigments such as chlorophyll a, chlorophyll c, and peridinin, which allow them to capture light energy efficiently.
  • These organisms are a key component of phytoplankton, forming the base of the aquatic food chain in both marine and freshwater ecosystems.
  • While many dinoflagellates are photosynthetic, some species are mixotrophic (capable of both photosynthesis and heterotrophy) or fully heterotrophic, depending on environmental conditions.
  • The photosynthetic mode of nutrition in dinoflagellates is critical for the production of oxygen and the fixation of carbon dioxide (CO2), contributing significantly to global biogeochemical cycles.

Additional Information

  • Characteristics of Dinoflagellates:
  • Dinoflagellates are unicellular organisms with a unique cell covering called a theca, composed of cellulose plates.
  • They exhibit two flagella for locomotion: one lies in a transverse groove (called the cingulum), and the other extends longitudinally (sulcus).
  • Some species are known for their ability to produce bioluminescence, a phenomenon where they emit light, often seen in ocean waters at night.
  • Ecological Importance:
  • Dinoflagellates play a vital role in aquatic ecosystems as primary producers, forming the base of the marine food web.
  • Some species form symbiotic relationships with corals (e.g., zooxanthellae), providing essential nutrients to their hosts through photosynthesis.
  • Harmful Algal Blooms (HABs):
  • Certain dinoflagellates cause harmful algal blooms, also known as red tides, releasing toxins that can harm marine life and humans.
  • Examples include species like Alexandrium (causing paralytic shellfish poisoning) and Gonyaulax.
  • Photosynthesis in Dinoflagellates:
  • The photosynthetic pigments in dinoflagellates (chlorophyll a, c, and peridinin) are adapted to absorb light efficiently in aquatic environments.
  • They contribute significantly to global primary production, producing oxygen and serving as a carbon sink.

Important Points

  • Heterotrophic Nutrition: Some dinoflagellates, such as Noctiluca, feed on other microorganisms and organic particles, displaying heterotrophic nutrition.
  • Mixotrophic Nutrition: Species like Dinophysis can combine photosynthesis with heterotrophy, depending on environmental conditions.
  • Economic Importance: Dinoflagellates are essential for fisheries, as they serve as food for zooplankton, which in turn supports larger marine organisms.
  • Research Applications: Due to their unique bioluminescent properties, dinoflagellates are studied for potential applications in biotechnology and environmental monitoring.
89

What is the term for the process by which new species develop from the existing species?

  1. ((a))

    Differentiation

  2. ((b))

    Speciation

  3. ((c))

    Degeneration

  4. ((d))

    Regeneration

Show Answer
Answer: ((b))

Speciation

The correct answer is Speciation.

Key Points

  • Speciation refers to the evolutionary process by which new species arise from existing species.
  • It occurs due to genetic divergence, reproductive isolation, or environmental factors that cause populations to adapt differently over time.
  • There are different modes of speciation, including allopatric, sympatric, parapatric, and peripatric speciation.
  • Allopatric speciation is the most common form, where geographic barriers separate populations, leading to independent evolutionary changes.
  • Speciation contributes significantly to biodiversity by creating distinct organisms adapted to various ecological niches.

Additional Information

  • Differentiation:
  • Differentiation refers to the process of cells or organisms developing distinct structures or functions but does not lead to the formation of new species.
  • It is commonly observed in developmental biology, such as the specialization of cells in multicellular organisms.
  • Degeneration:
  • Degeneration involves the decline or loss of structure or function in organisms, tissues, or organs.
  • It is not related to the creation of new species and often occurs due to aging, disease, or environmental stress.
  • Regeneration:
  • Regeneration is the biological process by which organisms regrow lost or damaged tissues, organs, or body parts.
  • Examples include the regrowth of limbs in amphibians and the healing of wounds in mammals.
  • Modes of Speciation:
  • Allopatric Speciation: Occurs due to geographic isolation, such as mountain ranges or rivers, separating populations.
  • Sympatric Speciation: Occurs within the same geographic area, often due to genetic mutations or niche differentiation.
  • Parapatric Speciation: Occurs in adjacent populations where limited gene flow allows divergence.
  • Peripatric Speciation: Occurs in small, isolated populations near the edge of a larger population's range.

Important Points

  • Reproductive Isolation:
  • Key to speciation, reproductive isolation prevents gene flow between populations, allowing genetic divergence.
  • It can be prezygotic (before fertilization) or postzygotic (after fertilization).
  • Biodiversity:
  • Speciation is a driving force behind biodiversity, enabling ecosystems to thrive with varied organisms.
  • Examples include Darwin's finches, which evolved into multiple species due to varying ecological niches.
  • Evolutionary Adaptations:
  • Speciation often leads to adaptations that enhance survival and reproduction in specific environments.
  • These adaptations may include morphological changes, behavioral shifts, or physiological adjustments.
90

Which of the following crops is affected by Green ear disease?

  1. ((a))

    Bajra

  2. ((b))

    Beetroot

  3. ((c))

    Potato

  4. ((d))

    Carrot

Show Answer
Answer: ((a))

Bajra

The correct answer is Bajra.

Key Points

  • Green ear disease is a fungal disease caused by Sclerospora graminicola, primarily affecting Bajra (Pearl Millet).
  • This disease is characterized by the greenish, malformed, and proliferated ear heads in Bajra crops, leading to significant yield loss.
  • Bajra is a widely cultivated cereal crop in semi-arid regions, and it is particularly vulnerable to green ear disease, especially during the rainy season.
  • The disease spreads rapidly under favorable conditions such as high humidity and moderate temperatures, particularly between 25°C to 30°C.
  • Management of green ear disease involves integrated approaches such as using resistant Bajra varieties, crop rotation, and fungicides like metalaxyl.
  • The disease mainly impacts grain production and quality, thereby affecting farmers' incomes and food security in regions dependent on Bajra cultivation.

Additional Information

  • Bajra (Pearl Millet):
  • Bajra is an important cereal crop cultivated in regions like India, Africa, and Southeast Asia for its adaptability to arid and semi-arid climates.
  • It is a rich source of nutrients such as protein, fiber, iron, and magnesium, often consumed as bread, porridge, or fermented beverages.
  • The leading producers of Bajra include India, Nigeria, and Niger, with Rajasthan being the largest producing state in India.
  • Other crops mentioned:
  • Beetroot: A root vegetable grown in temperate climates, primarily used for culinary and medicinal purposes. It is not affected by green ear disease.
  • Potato: A tuber crop widely cultivated globally. Diseases like late blight are common, but green ear disease does not affect potatoes.
  • Carrot: Another root vegetable rich in vitamins like Vitamin A. Carrots are susceptible to bacterial and fungal diseases but not green ear disease.
  • Management of Green Ear Disease:
  • Use of resistant Bajra varieties such as ICTP 8203 and MH-179.
  • Crop rotation with non-host crops to reduce pathogen buildup in the soil.
  • Application of fungicides like metalaxyl and seed treatment with systemic fungicides.
  • Maintaining proper field sanitation and avoiding dense planting to reduce humidity levels.
  • Importance of Bajra:
  • Bajra plays a significant role in ensuring food security in regions with harsh climatic conditions.
  • It is a drought-resistant crop and contributes to sustainable agriculture practices.
  • Its nutritional benefits make it a staple food for millions, especially in rural areas.

Important Points

  • Identification: Green ear disease in Bajra is identifiable by the presence of malformed ear heads with a greenish appearance.
  • Economic Impact: The disease can cause significant yield losses, which directly affect farmers' livelihoods.
  • Environmental Factors: High humidity and temperatures between 25°C and 30°C are conducive to the spread of the disease.
  • Integrated Disease Management: Combining resistant crop varieties, fungicides, and cultural practices is the most effective way to combat green ear disease.
91

A spring is stretched by applying a load to its free end. The strain produced in the spring is

  1. ((a))

    Volumetric

  2. ((b))

    Shear

  3. ((c))

    Longitudinal and shear

  4. ((d))

    Longitudinal

Show Answer
Answer: ((c))

Longitudinal and shear

The correct answer is Longitudinal and Shear.

Key Points

  • When a spring is stretched by applying a load to its free end, two types of strain are induced: longitudinal and shear strain.
  • Longitudinal strain occurs because the spring elongates or contracts along its length due to the applied force. This is a direct result of the tensile or compressive force applied to the spring.
  • Shear strain occurs because the coils of the spring experience a twisting deformation. The applied force produces a torque, causing the spring's material to experience angular distortion.
  • Springs are generally made of materials that can withstand both tensile stress (causing longitudinal strain) and torsional stress (causing shear strain). This ensures the spring can return to its original shape after the load is removed.
  • The deformation in the spring is a combination of these two strains because of the helical structure of the spring, which makes it respond to the applied load in a unique manner. Hence, the correct answer is Longitudinal and Shear.

Additional Information

  • Types of Strain:
  • Longitudinal Strain: It is the change in length of a material divided by its original length when subjected to a tensile or compressive force. For example, stretching a rod or a spring.
  • Shear Strain: It is the angular deformation of a material caused by shear stress. For example, twisting the coils of a spring.
  • Volumetric Strain: It is the change in volume of a material divided by its original volume when subjected to uniform pressure. This is not applicable to the spring under tensile load.
  • Spring Mechanics:
  • Springs are mechanical devices designed to store energy and release it when the force is removed. They are made from materials such as steel, which can endure both tensile and shear stresses.
  • The helical structure of a spring causes it to undergo both elongation (longitudinal strain) and twisting (shear strain) when subjected to a load.
  • Stress-Strain Relationship:
  • The behavior of the spring under load is governed by Hooke’s Law, which states that the deformation is directly proportional to the applied force, within the elastic limit.
  • The combination of longitudinal and shear deformation in a spring ensures that it can handle both tension and torsion simultaneously.
  • Applications of Springs:
  • Springs are widely used in mechanical devices such as watches, vehicle suspensions, and mattresses to absorb energy and provide resilience.
  • The combination of longitudinal and shear strain allows springs to be highly versatile and functional in various dynamic systems.

Important Points

  • Hooke’s Law: It defines the linear relationship between force and deformation in elastic materials. The formula is: Stress = Modulus of Elasticity × Strain.
  • Elastic Limit: The maximum stress that a material can withstand and still return to its original shape after the force is removed.
  • Shear Modulus: It is the ratio of shear stress to shear strain and indicates the material’s rigidity under torsional forces.
  • Material Selection for Springs: Common materials include steel alloys (for high strength and elasticity) and non-ferrous alloys (for corrosion resistance).
92

Number of RBC increases if one lives at higher altitude because ______.

  1. ((a))

    There is less oxygen on mountains

  2. ((b))

    More heat is required in body for producing body warmth

  3. ((c))

    There are no germs in mountain air

  4. ((d))

    There is more oxygen on mountains

Show Answer
Answer: ((a))

There is less oxygen on mountains

The correct answer is There is less oxygen on mountains.

Key Points

  • At higher altitudes, the air pressure decreases, which leads to a reduction in the oxygen level. The human body adapts to this condition by producing more red blood cells (RBCs) to ensure a sufficient supply of oxygen to the tissues.
  • The body’s response to low oxygen levels is termed hypoxia. Hypoxia triggers the release of a hormone called erythropoietin (EPO), which stimulates the bone marrow to produce more RBCs.
  • Increased RBC production improves the oxygen-carrying capacity of the blood, helping individuals cope better with reduced oxygen availability at higher altitudes.
  • This adaptation is essential for individuals living in or traveling to high-altitude regions such as the Himalayas or Andes, where oxygen levels are significantly lower than at sea level.
  • Hence, the correct explanation for the increase in RBC count is the low oxygen levels at high altitudes.

Additional Information

  • Effects of High Altitude on the Body:
  • High altitudes can lead to altitude sickness, characterized by symptoms such as headache, nausea, and fatigue, due to lower oxygen levels.
  • Long-term exposure to high altitudes can result in chronic mountain sickness, where excessive RBC production thickens the blood, potentially causing complications.
  • Acclimatization is a natural process where the body adjusts to high altitudes by increasing breathing rates, heart rate, and RBC production.
  • Role of Erythropoietin (EPO):
  • EPO is a hormone secreted primarily by the kidneys in response to low oxygen levels in the blood.
  • It stimulates the bone marrow to produce more RBCs, enhancing the oxygen-carrying capacity of the blood.
  • Artificial EPO is used medically to treat anemia but is also misused in sports as a performance-enhancing drug.
  • Impact of High Altitude on Athletes:
  • Athletes often train at high altitudes to boost their endurance by increasing their RBC count and oxygen-carrying capacity.
  • This practice, known as altitude training, helps improve performance in endurance sports.
  • Other Physiological Adaptations:
  • In addition to increased RBC production, high-altitude adaptation includes changes in lung function, increased capillary density, and improved oxygen utilization by muscles.
  • Populations native to high-altitude regions, such as Tibetans and Andeans, have genetic adaptations that enable them to thrive in low-oxygen environments.

Important Points

  • Factors Other Than Oxygen Levels:
  • More heat is required in the body for warmth: This statement is incorrect as heat production is not directly related to RBC count. Heat regulation primarily involves the hypothalamus and metabolic activity.
  • No germs in mountain air: While high altitudes may have fewer pathogens due to lower temperatures, this is unrelated to RBC production.
  • More oxygen on mountains: This statement is incorrect as oxygen levels decrease with altitude due to lower air pressure.
  • Altitude-Related Health Conditions:
  • Acute Mountain Sickness (AMS): A condition caused by rapid ascent to high altitudes without proper acclimatization. Symptoms include headache, dizziness, and shortness of breath.
  • High-Altitude Pulmonary Edema (HAPE): A severe condition where fluid accumulates in the lungs, leading to difficulty breathing.
  • High-Altitude Cerebral Edema (HACE): A life-threatening condition where fluid builds up in the brain, causing confusion, loss of coordination, and coma.
93

Gastric digestion takes place efficiently in ______.

  1. ((a))

    Acidic medium

  2. ((b))

    Basic medium

  3. ((c))

    Neutral medium

  4. ((d))

    None of the given options

Show Answer
Answer: ((a))

Acidic medium

The correct answer is Acidic medium.

Key Points

  • Gastric digestion occurs efficiently in an acidic medium due to the presence of hydrochloric acid (HCl) in the gastric juice.
  • Hydrochloric acid (HCl), secreted by the parietal cells of the stomach, creates an environment with a pH of approximately 1.5 to 3.5, which is optimal for the activation of digestive enzymes.
  • The enzyme pepsin, responsible for breaking down proteins into peptides, is activated from its precursor form, pepsinogen, by the acidic conditions in the stomach.
  • The acidic environment also aids in killing bacteria and pathogens present in ingested food, thereby preventing infections.
  • Moreover, the acidic medium helps denature proteins, making them easier to digest by enzymes. This process is essential for efficient digestion and absorption.

Additional Information

  • Functions of Hydrochloric Acid in Gastric Digestion:
  • Activation of enzymes: HCl converts pepsinogen into pepsin, which is crucial for protein digestion.
  • Defense mechanism: The acidic environment helps destroy harmful microorganisms present in food.
  • Protein denaturation: HCl breaks down the complex structure of proteins, making them easier for enzymes to act upon.
  • Enzymes Involved in Gastric Digestion:
  • Pepsin: Breaks down proteins into smaller peptides.
  • Gastric lipase: Assists in the digestion of lipids (fats).
  • Role of the Stomach in Digestion:
  • The stomach is a muscular organ that churns food and mixes it with gastric juice to form a semi-liquid substance called chyme.
  • The gastric juice contains hydrochloric acid, pepsin, mucus, and intrinsic factor, which are essential for digestion and absorption.
  • Importance of pH in Digestion:
  • The stomach maintains a highly acidic pH (1.5–3.5), while the small intestine is slightly alkaline, ensuring optimal enzymatic activity in different parts of the digestive tract.
  • Enzymes are highly pH-specific; for example, pepsin functions efficiently in the acidic pH of the stomach.

Important Points

  • Diseases Related to Gastric Digestion:
  • Gastritis: Inflammation of the stomach lining caused by excessive secretion of HCl or bacterial infections like Helicobacter pylori.
  • Acid reflux: Occurs when stomach acid flows back into the esophagus, causing discomfort and heartburn.
  • Medications for Gastric Issues:
  • Antacids: Used to neutralize excess stomach acid and relieve symptoms of indigestion and heartburn.
  • Proton pump inhibitors (PPIs): Reduce the production of stomach acid, helping manage conditions like GERD (gastroesophageal reflux disease).
  • Interesting Facts:
  • On average, the stomach produces 2 to 3 liters of gastric juice per day.
  • The stomach lining is protected from the corrosive effects of HCl by a layer of mucus.
94

Both erythrocytes and leucocytes are formed in the _____.

  1. ((a))

    Bone marrow

  2. ((b))

    Thymus

  3. ((c))

    Arterial wall

  4. ((d))

    Lymph nodes

Show Answer
Answer: ((a))

Bone marrow

The correct answer is Bone Marrow.

Key Points

  • Bone marrow is the primary site for the production of both erythrocytes (red blood cells) and leucocytes (white blood cells), essential components of the circulatory and immune systems.
  • The process of blood cell formation in the bone marrow is called hematopoiesis. It involves the differentiation of stem cells into various types of blood cells, including erythrocytes, leucocytes, and platelets.
  • Erythrocytes are responsible for transporting oxygen throughout the body using the protein hemoglobin.
  • Leucocytes play a crucial role in the body's immune response by identifying and neutralizing pathogens such as bacteria, viruses, and other foreign invaders.
  • Bone marrow is found in the medullary cavities of bones like the femur, pelvis, sternum, and ribs. It is classified into two types: red marrow (active in blood cell production) and yellow marrow (stores fat).
  • The bone marrow's ability to produce blood cells is regulated by specific hormones and growth factors, such as erythropoietin (for red blood cells) and colony-stimulating factors (for white blood cells).

Additional Information

  • Thymus:
  • The thymus is a lymphoid organ located in the chest, behind the sternum. It is primarily involved in the maturation of T-lymphocytes, which are crucial for adaptive immunity.
  • Although the thymus contributes to immune cell development, it does not produce erythrocytes. Hence, it is not the site for the formation of both erythrocytes and leucocytes.
  • Arterial Wall:
  • The arterial walls are part of the circulatory system, responsible for transporting blood throughout the body. They do not play a role in the formation of erythrocytes or leucocytes.
  • Their primary function is to maintain blood pressure and facilitate blood flow. Therefore, this option is incorrect.
  • Lymph Nodes:
  • Lymph nodes are small bean-shaped structures that filter lymph and house immune cells like B-lymphocytes and T-lymphocytes.
  • While lymph nodes are essential for immune responses, they do not produce erythrocytes or leucocytes. Blood cell formation occurs exclusively in the bone marrow.
  • Key Terminology in Hematopoiesis:
  • Hematopoietic Stem Cells (HSCs): These are multipotent stem cells in the bone marrow that differentiate into various blood cell types, including erythrocytes and leucocytes.
  • Red Marrow: Active site for hematopoiesis, primarily found in flat bones like the pelvis and sternum.
  • Yellow Marrow: Stores fat and can convert to red marrow under extreme conditions like severe blood loss.
  • Growth Factors: Molecules like erythropoietin regulate the production of specific blood cell types.
  • Important Points:
  • Clinical Significance: Disorders like leukemia (cancer of the bone marrow) and anemia highlight the importance of healthy bone marrow in blood cell production.
  • Bone Marrow Transplant: A medical procedure used to treat conditions like aplastic anemia and certain cancers by transplanting healthy stem cells.
  • Histological Features: The bone marrow consists of a rich vascular network to facilitate the release of newly formed blood cells into circulation.
95

Which of the following law/principle has/have been applied to form the principle of hydraulic lift used to raise heavy loads?

  1. ((a))

    Newton’s third law of motion

  2. ((b))

    Pascal’s law

  3. ((c))

    Archimedes Principle

  4. ((d))

    Both Pascal’s law and Archimedes Principle

Show Answer
Answer: ((b))

Pascal’s law

The correct answer is Pascal's law.

Key Points

  • Pascal's law states that a change in pressure applied to an enclosed fluid is transmitted undiminished to all portions of the fluid and to the walls of its container.
  • This principle is the core concept behind the working of a hydraulic lift, where a small force applied at one point generates a much larger force at another point.
  • The hydraulic lift uses a system of two connected cylinders filled with an incompressible fluid. When pressure is applied to the smaller piston, it is transmitted through the fluid to the larger piston, lifting heavy loads.
  • In the case of a hydraulic lift, Pascal's law ensures that the force applied at one piston gets evenly distributed, enabling the lifting of heavy objects with minimal effort.
  • Other laws such as Newton's third law of motion or Archimedes' principle are not directly involved in the functioning of a hydraulic lift, making Pascal's law the correct answer.

Additional Information

  • Pascal's Law:
  • Formulated by Blaise Pascal, a French mathematician, physicist, and inventor.
  • It is mathematically expressed as P = F/A, where P is pressure, F is force, and A is the area over which the force is applied.
  • Applications include hydraulic brakes, hydraulic jacks, and hydraulic presses, all of which are widely used in engineering and machinery.
  • Newton's Third Law of Motion:
  • States that for every action, there is an equal and opposite reaction.
  • While fundamental in mechanics, it does not directly explain the working of hydraulic lifts.
  • Archimedes' Principle:
  • States that a body submerged in a fluid experiences an upward buoyant force equal to the weight of the fluid displaced.
  • Primarily applies to buoyancy and floating objects, not to hydraulic systems.
  • Hydraulic Systems:
  • Hydraulic systems are designed based on Pascal’s law and are used in industries such as automotive, construction, and aviation.
  • Examples include car hydraulic brakes, forklifts, and airplane landing gears.

Important Points

  • Key Characteristics of Pascal's Law:
  • It works only with incompressible fluids, such as liquids.
  • The system must be closed and sealed to ensure proper pressure transmission.
  • The principle is crucial in designing devices that require force multiplication in small spaces.
  • Examples of Hydraulic Lift Applications:
  • Used in automotive repair shops to lift vehicles for maintenance.
  • Applied in elevators and industrial machinery for lifting heavy loads.
  • Commonly seen in construction equipment like cranes and bulldozers.
Code
96

The dimension of speed is -

  1. ((a))

    LT1 LT^{-1}

  2. ((b))

    LT2 LT^{-2}

  3. ((c))

    LT LT

  4. ((d))

    LT3 LT^{-3}

Show Answer
Answer: ((a))

LT1 LT^{-1}

The correct answer is LT-1.

Key Points

  • Speed is defined as the rate at which an object covers distance. It is expressed as the ratio of distance traveled to the time taken.
  • Mathematically, speed is given by the formula: Speed = Distance / Time. Both distance and time are measurable quantities.
  • The dimension of distance is L (length) and the dimension of time is T. Hence, the dimensional formula for speed becomes L/T, which is written as LT-1.
  • In the context of dimensional analysis, speed is considered a derived quantity as it combines the fundamental dimensions of length and time.
  • This dimensional formula is critical in physics for verifying equations and ensuring consistency in unit analysis. Hence, the correct answer is LT-1.

Additional Information

  • Dimension Analysis:
  • Dimensional analysis is a method used in physics and engineering to check the correctness of equations involving physical quantities.
  • It helps to ensure that both sides of an equation have the same dimensions, making the equation valid.
  • It is also used to derive relationships between physical quantities and convert units from one system to another.
  • Applications of Speed:
  • Speed is a fundamental concept in kinematics, which is the study of motion.
  • It is used to measure how fast objects move, whether they are vehicles, athletes, or celestial bodies.
  • Examples include calculating the speed of a car (in km/h), an airplane (in knots), or even light (approximately 3 × 108 m/s).
  • Comparison with Velocity:
  • While speed is a scalar quantity (having magnitude only), velocity is a vector quantity (having both magnitude and direction).
  • The dimensional formula for velocity is the same as speed, LT-1, but velocity includes directional information.
  • Units of Speed:
  • The SI unit of speed is meters per second (m/s).
  • Other commonly used units include kilometers per hour (km/h), miles per hour (mph), and knots (used in maritime and aviation).

Important Points

  • Fundamental Quantities:
  • Physics recognizes seven fundamental quantities: length (L), mass (M), time (T), electric current (I), thermodynamic temperature (K), amount of substance (mol), and luminous intensity (cd).
  • Derived quantities, such as speed, acceleration, and force, are expressed in terms of these fundamental quantities.
  • Practical Implications of Speed:
  • Speed is crucial in industries like transportation, sports, and space exploration.
  • It aids in designing efficient vehicles, calculating travel times, and understanding motion in various contexts.
  • For example, the speed of light (c = 3 × 108 m/s) is used in Einstein’s theories of relativity.
97

Which of the following is NOT a carcinogen?

  1. ((a))

    Tobacco

  2. ((b))

    UV radiation

  3. ((c))

    Ozone layer

  4. ((d))

    Electromagnetic radiation

Show Answer
Answer: ((c))

Ozone layer

The correct answer is Ozone layer.

Key Points

  • The ozone layer is not considered a carcinogen. In fact, it acts as a protective shield in the Earth's stratosphere that absorbs the majority of harmful ultraviolet (UV) radiation from the sun, which can cause skin cancer.
  • Carcinogens are substances or agents that can lead to cancer. Examples of carcinogens include tobacco, UV radiation, and certain chemicals. The ozone layer itself does not exhibit such properties.
  • Tobacco: Contains harmful chemicals such as nicotine, tar, and benzene that are proven carcinogens. Smoking is a major cause of lung cancer. Hence, this option is a carcinogen.
  • UV radiation: Prolonged exposure to UV rays can damage DNA in skin cells, leading to skin cancers like melanoma. Hence, this option is a carcinogen.
  • Electromagnetic radiation: While certain forms of high-energy electromagnetic radiation (e.g., X-rays, gamma rays) are carcinogenic, the classification depends on the intensity and type of radiation. Hence, this option can also be a carcinogen.

Additional Information

  • Ozone Layer:
  • The ozone layer is located in the stratosphere, about 10-30 km above Earth's surface.
  • It absorbs and blocks approximately 97-99% of the UV radiation from the sun, preventing it from reaching the Earth's surface.
  • Depletion of the ozone layer, caused by substances like chlorofluorocarbons (CFCs), can lead to increased UV radiation exposure, which raises the risk of skin cancer.
  • The ozone layer is critical for maintaining life on Earth by protecting organisms from harmful UV radiation.
  • Tobacco as a Carcinogen:
  • Tobacco smoke contains more than 7,000 chemicals, of which at least 70 are known to cause cancer.
  • It is a leading cause of lung, throat, mouth, esophagus, and bladder cancers.
  • Passive smoking (secondhand smoke) can also expose non-smokers to carcinogens.
  • UV Radiation:
  • UV radiation is divided into three types: UVA, UVB, and UVC. Among these, UVB is the most harmful and is linked to skin cancer and cataracts.
  • Prolonged exposure to UV radiation can damage DNA in cells, leading to mutations and cancer development.
  • Wearing sunscreen, protective clothing, and sunglasses can help reduce UV-related cancer risks.
  • Electromagnetic Radiation:
  • Electromagnetic radiation spans a wide spectrum, including radio waves, microwaves, visible light, and ionizing radiation like X-rays and gamma rays.
  • High-energy ionizing radiation has enough energy to damage DNA and is classified as a carcinogen. Examples include radiation from medical imaging or nuclear sources.
  • Low-energy, non-ionizing radiation (e.g., radio waves, visible light) is not generally considered carcinogenic.

Important Points

  • Carcinogen Classification: The International Agency for Research on Cancer (IARC) classifies carcinogens into groups based on evidence of their cancer-causing potential. Tobacco and UV radiation fall into Group 1 (definite carcinogens).
  • Ozone Layer Protection: The Montreal Protocol, signed in 1987, aims to phase out ozone-depleting substances like CFCs to protect the ozone layer.
  • Health Impacts of UV Exposure: Apart from cancer, excessive UV exposure can lead to premature aging, sunburn, and eye damage such as cataracts.
98

Methaemoglobinaemia is a problem of __________ in infants.

  1. ((a))

    blood

  2. ((b))

    lungs

  3. ((c))

    brain

  4. ((d))

    liver

Show Answer
Answer: ((a))

blood

The correct answer is blood.

Key Points

  • Methaemoglobinaemia is a condition characterized by an abnormal level of methaemoglobin (a form of hemoglobin) in the blood.
  • Hemoglobin is responsible for carrying oxygen throughout the body, but methaemoglobin cannot bind oxygen effectively, leading to reduced oxygen delivery to tissues.
  • In infants, methaemoglobinaemia is often caused by exposure to nitrates in drinking water or certain foods. These nitrates can be converted into nitrites in the body, which then react with hemoglobin to form methaemoglobin.
  • Infants are more susceptible to this condition due to their immature enzyme systems that cannot efficiently convert methaemoglobin back to normal hemoglobin.
  • Common symptoms include cyanosis (bluish discoloration of the skin), lethargy, difficulty breathing, and in severe cases, death.
  • Early diagnosis and treatment, which may involve oxygen therapy or administration of methylene blue, are crucial to prevent complications.

Additional Information

  • Sources of nitrate exposure:
  • Drinking water: High nitrate levels are often found in well water due to agricultural runoff or contamination.
  • Foods: Certain vegetables like spinach and beets, as well as processed meats, may contain nitrates.
  • Formula-fed infants: Formula mixed with nitrate-contaminated water can increase the risk of methaemoglobinaemia.
  • Why infants are at higher risk:
  • Infants under six months have a higher gastric pH, which facilitates the conversion of nitrates to nitrites.
  • Their enzyme systems, particularly cytochrome b5 reductase, are not fully developed, making them less efficient at reducing methaemoglobin.
  • Preventive measures:
  • Testing drinking water for nitrate levels, especially in rural areas.
  • Using bottled or treated water for preparing infant formula.
  • Avoiding high-nitrate foods for infants under six months.
  • Treatment options:
  • In mild cases, discontinuing exposure to nitrates may suffice.
  • In severe cases, administration of methylene blue, which helps convert methaemoglobin back to functional hemoglobin, is the treatment of choice.
  • Supplemental oxygen may also be required in cases of respiratory distress.
  • Global impact:
  • Methaemoglobinaemia is more prevalent in regions with poor water quality and sanitation.
  • Countries with high agricultural activity often report higher cases due to nitrate contamination in water sources.
  • Awareness campaigns and water safety initiatives can significantly reduce the incidence of this condition.

Important Points

  • Normal methaemoglobin levels: Methaemoglobin levels in the blood are usually less than 1%. Levels above 10% can cause symptoms, while levels above 70% are life-threatening.
  • Regulatory limits: The World Health Organization (WHO) recommends a nitrate limit of 50 mg/L in drinking water to prevent methaemoglobinaemia.
  • Historical significance: Methaemoglobinaemia is often referred to as "blue baby syndrome" due to the cyanosis observed in affected infants.
  • Role of public health: Governments and health organizations play a vital role in ensuring water quality and educating communities about the risks of nitrate exposure.
99

Scurvy can be caused mainly due to the deficiency of -

  1. ((a))

    Vitamin A

  2. ((b))

    Vitamin B1

  3. ((c))

    Vitamin C

  4. ((d))

    Vitamin B2

Show Answer
Answer: ((c))

Vitamin C

The correct answer is Vitamin C.

Key Points

  • Scurvy is a disease caused by the deficiency of Vitamin C, also known as ascorbic acid. It is essential for the synthesis of collagen, which helps in wound healing and maintaining healthy connective tissues.
  • A deficiency of Vitamin C leads to symptoms such as bleeding gums, joint pain, swollen gums, fatigue, and poor wound healing.
  • Humans cannot synthesize Vitamin C in their bodies, so it must be obtained through diet. Foods rich in Vitamin C include citrus fruits (oranges, lemons), berries, tomatoes, leafy greens, and bell peppers.
  • Vitamin C also acts as an antioxidant, helping to protect cells from damage caused by free radicals.
  • Historically, scurvy was common among sailors and soldiers who lacked access to fresh fruits and vegetables for extended periods.

Additional Information

  • Vitamin A:
  • Vitamin A is essential for maintaining healthy vision, immune function, and skin health.
  • Deficiency of Vitamin A can cause night blindness and increase the risk of infections.
  • Rich sources include carrots, sweet potatoes, spinach, and liver.
  • Vitamin B1 (Thiamine):
  • Thiamine is crucial for energy metabolism and proper nerve function.
  • A deficiency can lead to beriberi, characterized by weakness, nerve damage, and cardiovascular issues.
  • Sources include whole grains, pork, and legumes.
  • Vitamin B2 (Riboflavin):
  • Riboflavin supports energy production and helps maintain healthy skin and eyes.
  • Deficiency can cause cracks around the mouth, sore throat, and skin disorders.
  • Found in foods like dairy products, eggs, and green leafy vegetables.
  • Vitamin C:
  • It is water-soluble and cannot be stored in the body, requiring daily intake through diet.
  • Boosts immune function and enhances the absorption of iron from plant-based foods.
  • Recommended daily intake for adults is about 65-90 mg, with an upper limit of 2,000 mg per day to avoid adverse effects like stomach upset.

Important Points

  • Prevention of Scurvy:
  • Regular consumption of fresh fruits and vegetables, especially those rich in Vitamin C, can prevent scurvy.
  • For individuals at risk (e.g., sailors, elderly, or those with limited diets), Vitamin C supplements can be used as a preventive measure.
  • Historical Context:
  • Scurvy was a significant issue during long sea voyages until British naval surgeon James Lind demonstrated the effectiveness of citrus fruits in its prevention in the 18th century.
  • As a result, British sailors earned the nickname "limeys" due to their practice of consuming lime juice.
  • Modern Relevance:
  • Though rare in developed countries, scurvy can still occur in individuals with poor diets, alcohol dependency, or specific medical conditions.
  • Awareness and early diagnosis are crucial for effective treatment.
100

Goiter is caused mainly due to the deficiency of -

  1. ((a))

    Vitamin D

  2. ((b))

    Iodine

  3. ((c))

    Iron

  4. ((d))

    Calcium

Show Answer
Answer: ((b))

Iodine

The correct answer is Iodine.

Key Points

  • Goiter is an abnormal enlargement of the thyroid gland, located at the base of the neck.
  • The primary cause of goiter is a deficiency of iodine in the diet, as iodine is essential for the production of thyroid hormones.
  • The thyroid gland requires iodine to synthesize two critical hormones: thyroxine (T4) and triiodothyronine (T3), which regulate metabolism.
  • Iodine deficiency leads to inadequate hormone production, causing the thyroid gland to enlarge in an attempt to trap more iodine from the bloodstream.
  • In regions where iodine intake is sufficient, other conditions, such as autoimmune disorders (e.g., Hashimoto’s thyroiditis) or thyroid nodules, may also cause goiter, but these are less common than iodine deficiency.
  • Goiter can be prevented by ensuring a diet rich in iodine, such as through the use of iodized salt or foods naturally high in iodine, like fish, dairy products, and certain vegetables (e.g., seaweed).

Additional Information

  • Importance of Iodine:
  • Iodine is a trace element required for the synthesis of thyroid hormones, which play a critical role in growth, development, and metabolism.
  • A lack of iodine can lead to several health issues, including goiter, hypothyroidism, and in severe cases, cretinism in children (a condition characterized by stunted physical and mental growth).
  • The World Health Organization (WHO) recommends iodine intake of 150 micrograms/day for adults, 200 micrograms/day for pregnant women, and 90-120 micrograms/day for children.
  • Other Causes of Goiter:
  • While iodine deficiency is the most common cause, goiter can also result from:
  • Autoimmune diseases like Graves' disease or Hashimoto's thyroiditis.
  • Thyroid nodules or tumors.
  • Excessive iodine intake, though this is rare.
  • Certain medications or exposure to radiation.
  • Prevention and Management:
  • Preventing goiter largely involves maintaining adequate iodine intake. This is achieved through:
  • Use of iodized salt, a common practice worldwide to combat iodine deficiency.
  • Consumption of iodine-rich foods such as seafood, dairy products, and seaweed.
  • In cases where goiter is caused by factors other than iodine deficiency, medical intervention such as hormone replacement therapy, surgery, or other treatments may be necessary.
  • Global Efforts to Address Iodine Deficiency:
  • The Universal Salt Iodization (USI) program has been widely implemented to ensure sufficient iodine intake in populations worldwide.
  • According to the WHO, iodine deficiency has been significantly reduced in many countries due to such initiatives, though some regions still face challenges.

Important Points

  • Symptoms of Goiter:
  • The most visible symptom is swelling at the base of the neck.
  • Other symptoms may include difficulty swallowing or breathing, hoarseness, and in some cases, hypothyroidism or hyperthyroidism symptoms.
  • Iodine-Rich Foods:
  • Seafood: Fish, shellfish, and seaweed are excellent natural sources of iodine.
  • Dairy: Milk, cheese, and yogurt are also rich in iodine.
  • Fortified Foods: In areas where iodine deficiency is common, foods like table salt are often fortified with iodine.
  • Statistics:
  • According to the Global Iodine Nutrition Scorecard by the Iodine Global Network (IGN), around 2 billion people worldwide are at risk of iodine deficiency.
  • Pregnant women and children are the most vulnerable groups, as iodine deficiency during pregnancy can lead to severe developmental issues in the fetus.

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