Delhi Police Constable Official Paper (Held On: 01 Dec, 2020 Shift 2) (Previous Year Paper)

The correct answer is Dairy industry of India.

Key Points

• Operation Flood was a landmark project initiated by the National Dairy Development Board (NDDB) in 1970, designed to increase milk production in India and transform the country into one of the largest producers of milk globally.
• It is often referred to as the "White Revolution" in India due to its significant role in boosting dairy farming and milk production.
• The initiative was spearheaded by Dr. Verghese Kurien, regarded as the "Father of the White Revolution."
• The program focused on establishing a nationwide milk grid, ensuring the availability of milk and dairy products even in remote areas, while eliminating dependence on imports.
• Operation Flood not only improved milk production but also enhanced the economic conditions of millions of rural farmers and dairy producers across India.

Additional Information

• Key Objectives of Operation Flood:
• To create a nationwide milk grid for uninterrupted milk supply throughout the year.
• To increase self-sufficiency in milk production by reducing reliance on imports.
• To support rural development by providing income opportunities to farmers, especially small-scale producers.
• To improve nutrition levels by ensuring availability of milk and dairy products at affordable prices.
• Phases of Operation Flood:
• Phase I (1970-1980): Focused on building dairy infrastructure and establishing milk grids in major cities.
• Phase II (1981-1985): Expanded the milk grid to include more cities and regions, boosting production and marketing.
• Phase III (1985-1996): Consolidated the achievements and expanded the milk grid nationwide, ensuring sustainability.
• Impact on Rural Economy:
• Empowered rural farmers, particularly women, by providing stable income sources through dairy farming.
• Created employment opportunities in milk production, processing, and distribution sectors.
• Helped alleviate poverty in rural areas and improved the standard of living.
• India's Global Position:
• Operation Flood made India the largest producer of milk globally, surpassing countries like the USA and New Zealand.
• The dairy sector contributes significantly to India's agricultural GDP, accounting for around 4% of the national GDP.

Important Points

• Verghese Kurien:
• Known as the "Father of the White Revolution", Dr. Kurien played a pivotal role in transforming India's dairy industry.
• He was instrumental in the establishment of the Amul cooperative and the success of Operation Flood.
• He was honored with numerous awards, including the Padma Vibhushan for his contributions to the dairy sector.
• Challenges Faced:
• Initially, there was resistance from traditional dairy producers to adopt modern farming practices.
• Infrastructure limitations, such as cold storage and transportation facilities, posed challenges.
• Efforts were made to educate rural farmers on improved breeding, feeding, and veterinary practices.
• Current Status:
• India remains the largest producer of milk, contributing significantly to global dairy production.
• The dairy industry continues to play a vital role in the country's economy and rural development.

The correct answer is Aug 29.

Key Points

• National Sports Day is celebrated every year in India on 29th August to commemorate the birth anniversary of Major Dhyan Chand, one of the greatest hockey players in history.
• Major Dhyan Chand, born on 29 August 1905, is widely regarded as the legend of Indian hockey and earned the nickname "The Wizard" for his extraordinary skills.
• The day is marked to promote awareness about the importance of sports and physical activities in maintaining a healthy lifestyle.
• On National Sports Day, the Indian government typically presents prestigious sports awards like the Rajiv Gandhi Khel Ratna, Arjuna Award, Dronacharya Award, and Dhyan Chand Award to athletes and coaches.
• Several sports-related events and campaigns are organized across schools, colleges, and institutions to encourage participation in sports and fitness activities.

Additional Information

• Major Dhyan Chand:
• Major Dhyan Chand was born in Allahabad (now Prayagraj), Uttar Pradesh, and represented India in three Olympic Games: Amsterdam (1928), Los Angeles (1932), and Berlin (1936).
• He won gold medals in all three Olympics, contributing significantly to India's dominance in hockey during that era.
• His autobiography, titled "Goal", provides insights into his life and career as a hockey player.
• In recognition of his contribution to sports, the Government of India awarded him the Padma Bhushan in 1956.
• Sports Awards in India:
• The Rajiv Gandhi Khel Ratna (now renamed as Major Dhyan Chand Khel Ratna Award) is India's highest sporting honor, awarded for exceptional performance in sports.
• The Arjuna Award is given for consistent outstanding performance for four years in sports.
• The Dronacharya Award is presented to coaches for producing medal-winning players at international events.
• The Dhyan Chand Award is given for lifetime achievement in sports and games.
• Significance of National Sports Day:
• National Sports Day emphasizes the importance of physical fitness and encourages citizens to adopt a healthy lifestyle.
• The Fit India Movement, launched by PM Narendra Modi on 29th August 2019, aligns with the objectives of National Sports Day by advocating fitness and wellness.
• It serves as a platform to honor athletes who have brought glory to India at national and international levels.
• Key Initiatives:
• The Government of India often uses National Sports Day to announce new sports policies and initiatives to promote sports at grassroots levels.
• Events like marathons, fitness campaigns, and awareness drives are organized to engage the youth in sports and physical activities.

Important Points

• Fit India Movement:
• Launched on 29th August 2019, this initiative aims to create awareness about the significance of fitness and healthy living.
• It highlights the importance of regular physical activities and sports in improving overall health and productivity.
• Sports Infrastructure:
• The Indian government has established several schemes like Khelo India to improve sports infrastructure and encourage young talent.
• Under Khelo India, specific emphasis is laid on identifying and nurturing talent in schools and colleges.

The correct answer is Arunachal Pradesh.

Key Points

• Aji Lamu is a traditional folk dance originating from Arunachal Pradesh, India.
• The dance is performed during festive celebrations and is an integral part of the cultural heritage of the Monpa tribal community.
• Aji Lamu is known for its colorful costumes and intricate choreography that depict mythological stories and local folklore.
• The dance often involves performers dressed in traditional Monpa attire, which includes vibrant robes and elaborate headgear.
• This folk dance serves as a medium to preserve and promote the rich cultural traditions of Arunachal Pradesh.

Additional Information

• Arunachal Pradesh:
• Arunachal Pradesh is located in the northeastern region of India and shares its borders with Bhutan, China, and Myanmar.
• The state is known for its diverse tribal communities, each having unique cultural practices, dialects, and traditions.
• Some other popular dances of Arunachal Pradesh include Yak Dance, Chalo Dance, and Pasi Kongki Dance.
• Arunachal Pradesh is often referred to as the "Land of the Dawn-Lit Mountains" due to its geographical location and breathtaking landscapes.
• Monpa Tribe:
• The Monpa tribe is one of the prominent tribal groups in Arunachal Pradesh.
• They are primarily Buddhists and follow the teachings of Tibetan Buddhism.
• The Monpa people are known for their artistic skills, including weaving, wood carving, and painting.
• Their festivals and dances, such as Aji Lamu, reflect their spiritual beliefs and cultural richness.
• Festivals of Arunachal Pradesh:
• Arunachal Pradesh celebrates various festivals such as Losar, Solung, Siang River Festival, and Reh.
• These festivals often include traditional dances, music, and rituals that showcase the state's vibrant cultural heritage.
• Losar, the Tibetan New Year, is celebrated widely by the Monpa tribe, and dances like Aji Lamu play a significant role during this festival.
• Other Folk Dances of India:
• India is home to numerous folk dances reflecting the country's cultural diversity. For example:
• Tripura: Hojagiri Dance.
• Manipur: Ras Leela and Thang Ta.
• Assam: Bihu Dance.

The correct answer is Isotopes.

Key Points

• Protium, Deuterium, and Tritium are isotopes of hydrogen. Isotopes are different forms of the same element that have the same number of protons but a different number of neutrons.
• Protium (¹H): This is the most abundant isotope of hydrogen and consists of one proton and no neutrons.
• Deuterium (²H or D): This is a stable isotope of hydrogen with one proton and one neutron in its nucleus. It is used in nuclear reactors and scientific research.
• Tritium (³H): Tritium is a radioactive isotope of hydrogen with one proton and two neutrons. It is used in thermonuclear weapons, as well as in self-powered lighting and scientific studies.
• These isotopes differ in their atomic mass due to the variation in the number of neutrons, while their chemical properties remain similar. This is because the chemical behavior of an element is determined by the number of protons and electrons.

Additional Information

• What are isotopes?
• Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons in the nucleus.
• The term "isotope" was coined by Frederick Soddy in 1913.
• Isotopes are classified into two types: stable isotopes and radioactive isotopes.
• Radioactive isotopes decay over time and emit radiation, while stable isotopes do not undergo radioactive decay.
• Applications of isotopes:
• Deuterium: Used in heavy water for nuclear reactors and as a tracer in chemical and biological studies.
• Tritium: Used in self-powered lighting, nuclear fusion research, and as a tracer in environmental studies.
• Isotopes are also used in medical imaging, cancer treatment, and archaeological dating (e.g., carbon dating).
• Difference between isotopes and other terms:
• Isomers: Molecules with the same molecular formula but different structural arrangements.
• Isobars: Elements with the same atomic mass but different atomic numbers.
• Isochoric: Refers to processes occurring at a constant volume (not related to isotopes).
• Hydrogen Isotopes – Historical Context:
• Deuterium was discovered by Harold Urey in 1931, for which he won the Nobel Prize in Chemistry in 1934.
• Tritium was first synthesized in 1934 by Rutherford, Oliphant, and Harteck.

Important Points

• Natural abundance:
• Protium: Makes up over 99.98% of naturally occurring hydrogen.
• Deuterium: Accounts for about 0.015% of hydrogen in nature.
• Tritium: Is rare and mainly produced artificially.
• Nuclear properties:
• The presence of neutrons in isotopes significantly affects their nuclear stability and reactions.
• Tritium's radioactive decay has a half-life of 12.32 years, making it useful for specific scientific applications.

The correct answer is One-third of the members.

Key Points

• The Rajya Sabha is the upper house of the Parliament of India and is a permanent body that is not subject to dissolution, unlike the Lok Sabha.
• Every second year, one-third of the members of the Rajya Sabha retire, and their seats are filled through elections. This ensures a continuous functioning of the Rajya Sabha.
• The retirement of members is conducted in a staggered manner, following the principle of rotation, which was laid down in the Constitution of India under Article 83(1).
• The elections to fill the vacant seats are conducted indirectly by the elected members of the State Legislative Assemblies through a system of proportional representation by means of a single transferable vote.
• The term for a member of the Rajya Sabha is six years, and one-third of the members retire every two years to maintain the rotation system.

Additional Information

• Rajya Sabha Composition:
• The Rajya Sabha can have a maximum of 250 members, of which 238 are representatives of the States and Union Territories, and 12 are nominated by the President of India.
• The nominated members are individuals with special knowledge or practical experience in fields such as literature, science, art, and social service.
• Election Process:
• Members of the Rajya Sabha are elected by the elected members of the State Legislative Assemblies using the single transferable vote system, ensuring proportional representation.
• This method ensures that minority parties have representation in the Rajya Sabha.
• Key Functions of Rajya Sabha:
• The Rajya Sabha plays a significant role in the legislative process by reviewing, amending, and passing bills proposed by the Lok Sabha.
• It represents the interests of the states and ensures a balance of power between the Union and the States.
• It has the power to initiate and pass non-money bills, while money bills can only be introduced in the Lok Sabha.
• Article 83(1):
• This article establishes the term of the members of the Rajya Sabha as six years and provides for the retirement of one-third of its members every two years.
• This ensures that the Rajya Sabha operates as a continuing chamber.
• Unique Features:
• The Rajya Sabha is also known as the Council of States.
• It cannot be dissolved, unlike the Lok Sabha, ensuring the continuity of parliamentary functions.
• Its chairperson is the Vice President of India, who oversees its proceedings.

The correct answer is Axis Bank.

Key Points

• Axis Bank was the first bank in India to introduce iris identification technology for Aadhaar-based transactions.
• This innovative service was launched in 2017 to provide a secure, quick, and seamless way to authenticate customers using their Aadhaar-linked iris data.
• The iris-based Aadhaar authentication method is considered more accurate and secure compared to fingerprint biometrics, especially for individuals with worn-out fingerprints.
• This technology was made available to customers through micro ATMs and was aimed at improving financial inclusion, particularly in rural areas where biometric authentication is vital for banking services.
• The introduction of iris authentication aligns with the Indian government's push for digital banking and the use of Aadhaar for financial transactions.

Additional Information

• Axis Bank Overview:
• Headquartered in Mumbai, Maharashtra, Axis Bank is one of the leading private sector banks in India.
• It offers a wide range of financial services to retail, SME, and corporate customers.
• The bank is known for its focus on innovation and adoption of advanced banking technologies.
• Aadhaar and Biometric Authentication:
• The Aadhaar card is a 12-digit unique identity number issued by the Government of India to residents, based on their biometric and demographic data.
• Biometric authentication involves using unique physiological traits like fingerprints or iris scans to verify identity.
• Iris recognition is considered highly accurate because the patterns in the iris are unique to every individual and remain stable over a lifetime.
• Benefits of Iris Authentication:
• It provides a secure and tamper-proof method for identity verification.
• The technology is particularly useful for elderly individuals or laborers whose fingerprints may have faded due to age or physical labor.
• Iris authentication is non-intrusive and can work even if the person is wearing glasses or has minor injuries near the eyes.
• Other Banks and Aadhaar Integration:
• Other banks like ICICI Bank and Yes Bank have also adopted Aadhaar-based authentication for their banking services.
• While Axis Bank pioneered iris authentication, other banks primarily relied on fingerprint-based biometrics initially.
• Government Push for Digital Transactions:
• The Government of India actively promotes digital banking and financial inclusion through the use of Aadhaar and biometric technologies.
• Initiatives like Pradhan Mantri Jan Dhan Yojana have significantly increased the number of bank accounts and linked them to Aadhaar for seamless transactions.

The correct answer is Muhammad Ghori.

Key Points

• The Second Battle of Tarain was fought in 1192 AD between Prithviraj Chauhan and Muhammad Ghori. It marked a crucial moment in Indian history as it led to the establishment of Muslim rule in northern India.
• Muhammad Ghori, also known as Mu'izz al-Din Muhammad, was the ruler of the Ghurid dynasty. He aimed to expand his empire into northern India.
• During this battle, the forces of Prithviraj Chauhan were defeated by the army of Muhammad Ghori due to strategic advantages and superior military tactics employed by Ghori.
• The defeat of Prithviraj Chauhan in the Second Battle of Tarain effectively ended the dominance of Rajput rulers in northern India and paved the way for the establishment of the Delhi Sultanate.
• This battle is considered one of the most significant events in Indian medieval history, as it marked the beginning of Islamic rule in the region, shaping the socio-political landscape of the Indian subcontinent.

Additional Information

• Muhammad Ghori:
• Born: 1149 AD in Ghor, Afghanistan. He was the ruler of the Ghurid dynasty and known for his campaigns in northern India.
• He was a skilled strategist and military leader who sought to expand his empire beyond Afghanistan into India.
• After defeating Prithviraj Chauhan in the Second Battle of Tarain, Muhammad Ghori laid the foundation for the Islamic rule in India.
• His general, Qutb al-Din Aibak, became the first ruler of the Delhi Sultanate, continuing Ghori's legacy.
• Prithviraj Chauhan:
• Prithviraj III, popularly known as Prithviraj Chauhan, was a Rajput ruler of the Chauhan dynasty who ruled over Ajmer and Delhi.
• He is remembered for his bravery and military prowess, particularly in the First Battle of Tarain where he defeated Muhammad Ghori in 1191 AD.
• However, in the Second Battle of Tarain in 1192 AD, he was defeated and later captured by Muhammad Ghori.
• Prithviraj Chauhan's reign symbolizes the resistance of Indian rulers against foreign invasions during the medieval period.
• Battle of Tarain:
• The First Battle of Tarain (1191 AD) was won by Prithviraj Chauhan against Muhammad Ghori.
• The Second Battle of Tarain (1192 AD) resulted in the defeat of Prithviraj Chauhan and marked the beginning of Muslim rule in northern India.
• The battles of Tarain are regarded as turning points in Indian history, influencing the region's political and cultural dynamics.
• Delhi Sultanate:
• The establishment of the Delhi Sultanate followed Muhammad Ghori's conquest, with Qutb al-Din Aibak becoming its first ruler.
• The Delhi Sultanate lasted for over three centuries, significantly impacting Indian architecture, culture, and administration.
• It marked the beginning of a new era in Indian history, blending Persian, Arabic, and Indian traditions.

Important Points

• The Second Battle of Tarain is considered a watershed moment in Indian history, marking the transition from Rajput dominance to Islamic rule in northern India.
• Muhammad Ghori's victory in this battle established his foothold in India and served as a precursor to the Delhi Sultanate.
• The defeat of Prithviraj Chauhan demonstrated the importance of military strategies and alliances in determining the outcomes of battles.
• This event is often studied to understand the socio-political changes that occurred during medieval India.

The correct answer is Article 338.

Key Points

• Article 338 of the Indian Constitution provides for the establishment of the National Commission for Scheduled Castes (NCSC) to safeguard and promote the interests of Scheduled Castes in India.
• The National Commission for Scheduled Castes was originally established as a single body for both Scheduled Castes and Scheduled Tribes under the 65th Constitutional Amendment Act, 1990. Later, it was bifurcated into two separate commissions under the 89th Amendment Act, 2003.
• The NCSC is responsible for investigating and monitoring matters relating to the safeguards provided for Scheduled Castes under the Constitution or any other law.
• Under Article 338, the Commission also advises the government on planning and socio-economic development programs specifically aimed at uplifting Scheduled Castes.
• The Commission submits annual reports to the President of India, who then presents these reports to Parliament for discussion.

Additional Information

• Article 338A:
• This article provides for the establishment of the National Commission for Scheduled Tribes (NCST), which was created through the 89th Amendment Act, 2003.
• The NCST is tasked with protecting and promoting the welfare of Scheduled Tribes, which are distinct from Scheduled Castes.
• Functioning of NCSC:
• The NCSC has powers similar to a civil court, including summoning individuals, requiring document submission, and examining witnesses.
• It also reviews existing laws and policies to ensure they adequately address the needs of Scheduled Castes.
• Role of Scheduled Castes in India:
• Scheduled Castes are recognized under the Constitution as historically disadvantaged communities, and various affirmative action measures, such as reservations, are in place to address their socioeconomic challenges.
• Data from the Census 2011 indicates that Scheduled Castes constitute approximately 16.6% of India’s population.
• Other Relevant Articles:
• Article 341: Defines Scheduled Castes and provides the President of India the authority to specify which communities are classified as Scheduled Castes.
• Article 17: Abolishes untouchability and forbids its practice in any form.
• Article 46: Directs the State to promote the educational and economic interests of Scheduled Castes and other weaker sections.

Important Points

• Historical Context:
• The National Commission for Scheduled Castes was established to address the historical injustices faced by Scheduled Castes, particularly during colonial times.
• Special measures were institutionalized post-Independence to ensure their inclusion in mainstream society.
• Role of Constitutional Amendments:
• The 65th Amendment created the initial combined Commission for SCs and STs, while the 89th Amendment separated them into two distinct bodies for more focused attention.
• These amendments highlight the evolving understanding of the distinct needs of Scheduled Castes and Scheduled Tribes.
• Examples of NCSC's Work:
• The NCSC has been actively involved in cases of atrocity against Scheduled Castes, ensuring justice and proper implementation of laws such as the Scheduled Castes and Scheduled Tribes (Prevention of Atrocities) Act, 1989.
• It also monitors the reservation policy in government jobs and educational institutions.

The correct answer is Markets and fairs.

Key Points

• State List in the Seventh Schedule: The Indian Constitution divides powers between the Union and State governments under three lists: Union List, State List, and Concurrent List. The State List contains subjects on which states have exclusive legislative powers.
• Markets and fairs: This subject is explicitly included in the State List under Entry 28 of the Seventh Schedule, empowering states to regulate and manage markets and fairs within their territories.
• Extradition: Extradition falls under the Union List (Entry 18), as it deals with international matters and requires central authority coordination. Hence, this statement is incorrect.
• War and peace: Matters related to war and peace are included in the Union List (Entry 1), as they pertain to national security and foreign relations. Hence, this statement is incorrect.
• Railway: Railways are a subject of the Union List (Entry 22), reflecting their significance as a national infrastructure. Hence, this statement is incorrect.
• Correct Option: Markets and fairs are managed by state governments, as specified under the State List. Hence, the correct answer is Markets and fairs.

Additional Information

• Seventh Schedule of the Indian Constitution:
• The Seventh Schedule of the Indian Constitution outlines the division of subjects between the Union and State governments through three lists: Union List, State List, and Concurrent List.
• The Union List contains 97 subjects such as defense, foreign affairs, and atomic energy, where only the Union government can legislate.
• The State List includes 66 subjects like police, public health, and agriculture, allowing states to have exclusive legislative powers.
• The Concurrent List comprises 47 subjects such as education, marriage, and adoption, where both Union and State governments can legislate, but Union law prevails in case of conflict.
• Key subjects under the State List:
• Important subjects include markets and fairs, police, public health, agriculture, irrigation, and local government.
• State governments have the authority to regulate these subjects independently within their territories.
• Union List subjects:
• Subjects like defense, foreign affairs, railways, extradition, and war and peace fall under the Union List, requiring centralized control due to their national and international significance.
• Concurrent List subjects:
• Subjects like education, marriage, adoption, and forests require joint efforts from both Union and State governments.
• Union legislation overrides state legislation if conflicts arise.
• Important Points:
• The division of subjects between lists ensures a clear framework for governance and minimizes conflicts between the Union and State governments.
• Any changes to the lists require a constitutional amendment under Article 368.
• The system reflects India's federal structure, balancing autonomy and unity.

The correct answer is Satish Gujral.

Key Points

• Satish Gujral was a renowned Indian artist known for his contributions to painting, sculpture, and architecture.
• He designed the Belgian Embassy in New Delhi, which is considered one of the finest architectural works of the 20th century in India.
• The Belgian Embassy building is an iconic example of modernist architecture, blending functionality with aesthetic appeal.
• Satish Gujral’s architectural work reflects his unique artistic sensibilities, which earned him international recognition.
• His work in architecture was highly appreciated for its innovative design, making him a pioneer among Indian artists who ventured into architecture.

Additional Information

• Satish Gujral:
• Born in 1925 in Punjab, India, Satish Gujral was a multidisciplinary artist who excelled in painting, sculpture, architecture, and mural-making.
• He studied at the Sir JJ School of Art in Mumbai and later at the Palace of Fine Arts in Mexico City under the famous muralist Diego Rivera.
• His works often depicted themes of partition, human suffering, and resilience, inspired by his own experiences during the partition of India in 1947.
• He was awarded the Padma Vibhushan in 1999, one of India's highest civilian honors.
• Belgian Embassy in New Delhi:
• The Belgian Embassy, designed by Satish Gujral, is an architectural masterpiece that combines modernist design principles with Indian aesthetics.
• The building is known for its use of local materials, intricate geometric patterns, and innovative spatial arrangements.
• It is considered one of the best embassy buildings in India and has received international acclaim for its architectural brilliance.
• Other Indian Artists:
• M.F. Hussain: Known as the “Picasso of India,” M.F. Hussain was a celebrated painter famous for his bold and vibrant depictions of Indian themes.
• Tyeb Mehta: Renowned for his minimalist paintings and use of diagonal lines, Tyeb Mehta was a pioneer in modern Indian art.
• Jatin Das: A prominent contemporary artist known for his figurative works and murals that explore human emotions and social themes.
• Indian Architecture in the 20th Century:
• The 20th century saw the rise of modernist architecture in India, blending functional designs with cultural elements.
• Architects like Le Corbusier and Louis Kahn contributed significantly to the development of modern architecture in cities like Chandigarh and Ahmedabad.
• Satish Gujral’s work in architecture stands out for its artistic innovation and cultural relevance.

Important Points

• Architecture as an art form:
• Architecture is not just functional but also serves as a medium of artistic expression, as demonstrated by Satish Gujral’s Belgian Embassy design.
• Innovative use of materials and cultural motifs can elevate architectural work to the level of fine art.
• Recognition of Indian artists:
• Artists like Satish Gujral have contributed significantly to India’s global cultural and artistic reputation.
• Their works continue to inspire generations of artists and architects worldwide.

The correct answer is Madhya Pradesh.

Key Points

• Madhya Pradesh has the largest number of national parks in India as of December 2019. It is home to 11 national parks, which contribute significantly to the conservation of wildlife and biodiversity.
• Some of the most notable national parks in Madhya Pradesh include Kanha National Park, Bandhavgarh National Park, Panna National Park, and Satpura National Park.
• The state is also renowned for its rich flora and fauna, and its national parks provide vital habitats for species like the Bengal tiger, leopards, sloth bears, and a variety of bird species.
• Madhya Pradesh is often referred to as the "Tiger State of India" due to the high population of tigers in its national parks.
• The state government and wildlife authorities actively manage and protect these parks to ensure the preservation of India's natural heritage.

Additional Information

• National Parks in Madhya Pradesh:
• Kanha National Park: Known for its efforts in tiger conservation under Project Tiger, it inspired Rudyard Kipling's "The Jungle Book."
• Bandhavgarh National Park: Famous for its high density of Bengal tigers and historical significance due to the Bandhavgarh Fort.
• Panna National Park: Recognized as a UNESCO Biosphere Reserve, it is known for successful tiger reintroduction projects.
• Satpura National Park: Unique for its rugged terrain, sandstone peaks, and diverse wildlife including leopards, crocodiles, and flying squirrels.
• Other States with National Parks:
• Maharashtra: Home to national parks like Tadoba-Andhari and Sanjay Gandhi National Park, but fewer in number compared to Madhya Pradesh.
• Assam: Known for Kaziranga National Park (famous for one-horned rhinoceros) and Manas National Park, but has a total of 5 national parks.
• Rajasthan: Features Sariska and Ranthambore National Parks, with a focus on tiger conservation, but fewer parks overall.
• National Parks in India:
• India has a total of 106 national parks as of 2023, covering approximately 1.35% of the country's geographical area.
• These parks are established under the provisions of the Wildlife Protection Act, 1972, to safeguard biodiversity and natural habitats.
• Importance of National Parks:
• They serve as safe havens for endangered species, ensuring the preservation of their natural ecosystems.
• National parks promote eco-tourism, which helps raise awareness and funds for conservation efforts.
• They contribute to climate regulation, water conservation, and soil preservation, making them vital for environmental sustainability.

Important Points

• Wildlife Protection Act, 1972:
• This act provides the legal framework for the establishment and management of national parks and sanctuaries in India.
• It prohibits hunting and trade of endangered species and promotes habitat preservation.
• Project Tiger:
• Launched in 1973, this initiative aims to ensure a viable tiger population in their natural habitats.
• Several tiger reserves in Madhya Pradesh, such as Kanha and Bandhavgarh, are part of this project.
• UNESCO Biosphere Reserves:
• Some national parks, like Panna, are recognized as UNESCO Biosphere Reserves for their ecological significance.

The correct answer is Ashfaqulla Khan.

Key Points

• Ashfaqulla Khan was an important member of the Hindustan Republican Association (HRA), a revolutionary organization formed in 1924 to fight against British colonial rule in India.
• The Kakori Train Robbery, conducted on August 9, 1925, was a significant act of defiance against British rule. Ashfaqulla Khan, along with other revolutionaries like Ram Prasad Bismil and Rajendra Lahiri, played a key role in organizing and executing the robbery.
• The robbery was planned to loot government money from the train to fund revolutionary activities against British imperialism. It symbolized the spirit of resistance and courage among the freedom fighters.
• Ashfaqulla Khan was arrested after the robbery and later sentenced to death by hanging, becoming a martyr for India's freedom struggle.
• The Hindustan Republican Association, later renamed as the Hindustan Socialist Republican Association (HSRA), aimed to establish a socialist republic in India through armed rebellion against British rule.

Additional Information

• Hindustan Republican Association (HRA):
• The HRA was founded in 1924 in Kanpur by revolutionaries like Ram Prasad Bismil, Sachindra Nath Sanyal, and Jogesh Chandra Chatterjee.
• The organization aimed to achieve complete independence for India through armed struggle and revolutionary activities.
• The HRA later evolved into the Hindustan Socialist Republican Association (HSRA) in 1928, reflecting a shift towards socialist ideals.
• Kakori Train Robbery:
• The robbery took place on August 9, 1925, near Kakori, a village close to Lucknow.
• The revolutionaries looted the British government's treasury carried in the train to finance their activities.
• The incident marked a significant turning point in India's freedom struggle, showcasing the boldness and determination of young revolutionaries.
• Ram Prasad Bismil:
• Ram Prasad Bismil was a prominent freedom fighter and revolutionary leader associated with the HRA.
• He played a key role in planning and executing the Kakori Train Robbery alongside Ashfaqulla Khan and other revolutionaries.
• Bismil was also a poet and writer, inspiring others with his patriotic verses.
• Other Revolutionaries:
• Rajendra Lahiri: Another important member of the HRA who actively participated in the Kakori Train Robbery.
• Sachindra Nath Sanyal: A senior revolutionary leader and co-founder of the HRA. He mentored younger revolutionaries in their fight against British rule.
• 

Important Points

• The Kakori Train Robbery was not just a robbery but a symbolic act of resistance against British colonialism.
• The sacrifices of revolutionaries like Ashfaqulla Khan and Ram Prasad Bismil continue to inspire generations in India.
• The British government responded harshly to the robbery, arresting and executing several revolutionaries, which further fueled the freedom movement.

The correct answer is 1972.

Key Points

• The Marine Products Export Development Authority (MPEDA) was established in 1972 under the Marine Products Export Development Authority Act passed by the Indian Parliament.
• It operates under the Ministry of Commerce and Industry, Government of India, and is responsible for promoting the export of marine products from India.
• The headquarters of MPEDA is located in Kochi, Kerala, a region known for its rich marine resources and export activities.
• MPEDA plays a significant role in ensuring the sustainable development of India's fisheries sector, focusing on quality control, certification, and value addition to marine products.
• Its primary objectives include the development of aquaculture, promotion of exports, and the organization of overseas trade fairs and exhibitions for marine products.

Additional Information

• Role and Functions of MPEDA:
• MPEDA is tasked with regulating and promoting exports of marine products, ensuring that India remains a key player in the global seafood market.
• It provides financial assistance for aquaculture development, processing facilities, and market promotion.
• It implements quality control measures for marine products to meet international standards, ensuring sustainability in the fisheries sector.
• MPEDA also conducts training programs for fish farmers, processors, and exporters to enhance their technical knowledge and capabilities.
• Marine Products Export Scenario:
• India is one of the largest exporters of marine products globally, including shrimp, fish, squid, cuttlefish, and crabs.
• Major export destinations include USA, European Union, Japan, China, and Southeast Asian countries.
• As per recent reports, India’s marine product exports have crossed ₹50,000 crores, with frozen shrimp being the largest contributor.
• Export Promotion Strategies:
• MPEDA organizes international trade fairs, exhibitions, and buyer-seller meets to promote Indian marine products.
• It facilitates the certification of aquaculture farms under Best Aquaculture Practices (BAP) and organic standards.
• MPEDA supports the branding of Indian seafood products to enhance their value in international markets.
• Important Initiatives:
• Aqua International Fair: MPEDA hosts this annual event to showcase advancements in aquaculture technology and products.
• National Residue Control Plan (NRCP): Ensures that marine products meet stringent quality standards for export.
• Seafood Park: MPEDA has established seafood parks to provide processing infrastructure to exporters.

Important Points

• Historical Background:
• The establishment of MPEDA in 1972 was a landmark step in boosting marine product exports from India.
• It was created during a time when the global demand for seafood was rising, providing an opportunity for India to expand its export base.
• Impact on Economy:
• Marine exports contribute significantly to India’s foreign exchange earnings and support the livelihood of millions of fishermen and coastal communities.
• India ranks among the top global exporters of frozen shrimp, which is a major contributor to export revenue.
• Geographical Importance:
• India's extensive coastline and rich marine biodiversity offer immense potential for aquaculture and seafood export.
• Regions like Kerala, Tamil Nadu, Andhra Pradesh, and Gujarat are hubs for marine product production and exports.

The correct answer is Harish Salve.

Key Points

• Harish Salve was appointed as the Queen's Counsel (QC) for England and Wales in January 2020, an honor that recognizes a lawyer's excellence in advocacy in the higher courts.
• He became one of the very few Indian-origin lawyers to achieve this prestigious designation in the legal profession of the UK.
• The title of Queen's Counsel is awarded to barristers and solicitors who have demonstrated excellence in advocacy and are considered experts in their legal field.
• Harish Salve is a prominent Indian lawyer who has represented India in international legal cases, including the famous Kulbhushan Jadhav case at the International Court of Justice (ICJ).
• His appointment as Queen’s Counsel highlights his global recognition for his legal expertise and contributions to the field of law.

Additional Information

• About Harish Salve:
• Harish Salve was born in India in 1955 and is one of the most well-known lawyers in the country.
• He specializes in constitutional law, commercial law, and arbitration and has worked on several high-profile cases in India and abroad.
• He served as the Solicitor General of India from 1999 to 2002.
• Salve is known for charging a token fee of just ₹1 for representing India in the Kulbhushan Jadhav case at the ICJ.
• Queen’s Counsel (QC):
• It is a prestigious title awarded to barristers and solicitors in the UK and Commonwealth countries.
• Lawyers who become QCs are referred to as "silks" due to the silk gowns they wear.
• It signifies a lawyer’s excellence in advocacy and their ability to handle complex and high-profile cases in higher courts.
• Other Prominent Indian Lawyers:
• Fali S. Nariman: A senior advocate in the Supreme Court of India, known for his expertise in constitutional law.
• Gopal Subramaniam: A former Solicitor General of India, with a reputation for handling significant cases in constitutional and commercial law.
• Mukul Rohatgi: A senior advocate who also served as the Attorney General of India from 2014 to 2017.
• Kulbhushan Jadhav Case:
• Harish Salve represented India in the case of Kulbhushan Jadhav, an Indian citizen sentenced to death in Pakistan.
• The case was brought before the International Court of Justice (ICJ), where Salve argued for Jadhav’s right to consular access under the Vienna Convention.
• In July 2019, the ICJ ruled in favor of India, ordering Pakistan to grant consular access and review the death sentence.

The correct answer is ₹250.

Key Points

• Sukanya Samriddhi Yojana is a government-backed savings scheme launched under the ‘Beti Bachao Beti Padhao’ initiative, aimed at promoting the welfare of the girl child in India.
• As of September 2020, the minimum annual deposit required to keep the account active is ₹250. Initially, the minimum deposit was ₹1,000, but this was later reduced to ₹250 to make it more accessible to a larger population.
• The account can be opened in the name of a girl child below the age of 10 years and can be operated by her parents or legal guardian.
• The scheme allows annual deposits ranging from ₹250 to a maximum of ₹1.5 lakh, with a tenure of 21 years or until the marriage of the girl child after she reaches 18 years of age.
• The scheme offers an attractive interest rate (currently revised quarterly by the government) and provides tax benefits under Section 80C of the Income Tax Act.

Additional Information

• Eligibility for Sukanya Samriddhi Yojana:
• The account can be opened for a girl child below 10 years of age.
• A family can open a maximum of two accounts under the scheme—one for each girl child. Exceptions are made for twins or triplets.
• Key Features:
• The account has a tenure of 21 years or until the girl child’s marriage after she attains 18 years.
• Deposits can be made until the completion of 15 years from the date of account opening.
• The interest rate for Sukanya Samriddhi Yojana is revised quarterly by the government and is generally higher than other savings schemes.
• Tax Benefits:
• Deposits made under the scheme qualify for deductions under Section 80C of the Income Tax Act, up to a maximum of ₹1.5 lakh annually.
• The interest earned and maturity amount are completely tax-free, making it an EEE (Exempt-Exempt-Exempt) investment.
• Withdrawal Provisions:
• Partial withdrawal of up to 50% of the account balance is allowed when the girl child reaches the age of 18 years for higher education or marriage.
• The remaining balance can be withdrawn upon maturity after 21 years or the marriage of the girl child, whichever is earlier.
• Government Support:
• The scheme was launched in 2015 under the Beti Bachao Beti Padhao campaign to address gender inequality and encourage financial planning for the education and marriage of girl children.
• The scheme is managed by authorized banks and India Post offices across the country.

Important Points

• The scheme is aimed at ensuring financial independence for girl children, particularly from low-income families.
• Sukanya Samriddhi Yojana is one of the most popular small savings schemes due to its high interest rate and tax benefits.
• Failing to deposit the minimum annual amount of ₹250 results in the account being classified as “inactive.” However, it can be revived by paying a penalty of ₹50 per year along with the minimum deposit.
• This scheme aligns with the broader goals of promoting gender equality and financial empowerment for girls in India.

The correct answer is Union Ministry of Tribal Affairs.

Key Points

• The TRIFOOD project is an initiative aimed at promoting entrepreneurship and creating livelihood opportunities in tribal areas by adding value to the minor forest produce.
• This project is a joint initiative of the Union Ministry of Tribal Affairs and the Ministry of Food Processing Industries, implemented by Tribal Cooperative Marketing Federation of India (TRIFED).
• Under the TRIFOOD project, processing units are set up for value addition to forest products and agricultural produce, thereby enhancing income for tribal communities.
• The project focuses on converting raw materials collected by tribals into processed goods such as jams, juices, and snacks, which can fetch higher prices in the market.
• The TRIFOOD project aligns with the government's vision of Atmanirbhar Bharat by empowering tribal communities and promoting local products.

Additional Information

• Union Ministry of Tribal Affairs:
• The Ministry of Tribal Affairs was established in October 1999 to provide focused attention to tribal welfare and development.
• It oversees programs related to education, health, infrastructure, and economic empowerment of tribal communities.
• Key initiatives include Van Dhan Vikas Kendras, TRIFOOD, and Eklavya Model Residential Schools.
• Tribal Cooperative Marketing Federation of India (TRIFED):
• TRIFED was established in 1987 under the Ministry of Tribal Affairs to promote the livelihood of tribal communities.
• It facilitates marketing of tribal products and provides training for skill development.
• The organization also plays a crucial role in implementing the TRIFOOD project and Van Dhan Vikas Kendras.
• Minor Forest Produce (MFP):
• MFP includes non-timber forest products such as honey, bamboo, and medicinal plants.
• These products serve as a critical source of income for tribal communities, especially in forest areas.
• The government has introduced schemes like MFP procurement and value addition initiatives to boost tribal incomes.
• Government Focus on Tribal Welfare:
• The government has allocated funds under various schemes to improve tribal livelihoods and socio-economic conditions.
• Programs like Skill India and Startup India are extended to tribal groups to foster entrepreneurship.
• Efforts are being made to integrate tribal communities into the mainstream economy while preserving their cultural heritage.

Important Points

• Van Dhan Vikas Kendras:
• These are tribal-centric programs under the Ministry of Tribal Affairs aimed at creating livelihood opportunities.
• The Kendras focus on training and equipping tribal communities with necessary tools for processing and marketing MFPs.
• Atmanirbhar Bharat:
• The TRIFOOD project contributes to the Atmanirbhar Bharat vision by empowering tribal communities through self-reliance and entrepreneurship.
• Economic Impact:
• By promoting value addition to tribal products, the TRIFOOD project enhances market competitiveness and income generation for tribal communities.

The correct answer is Progesterone.

Key Points

• Progesterone is a hormone that plays a crucial role during pregnancy and breastfeeding. It supports the development of the mammary glands, which are essential for milk production.
• During breastfeeding, a small amount of progesterone can be found in breast milk. This is due to the hormonal changes in the mother's body post-pregnancy.
• Progesterone is produced by the corpus luteum in the ovary after ovulation and later by the placenta during pregnancy. It prepares the body for pregnancy and supports fetal development.
• Although the levels of progesterone in breast milk are not high, it is present in trace amounts and is considered to have a role in the development of the newborn.
• None of the other hormones mentioned in the options, such as testosterone, glucagon, or melatonin, are commonly found in significant quantities in breast milk.

Additional Information

• Progesterone:
• Progesterone is a steroid hormone that plays a key role in the menstrual cycle, implantation, and maintenance of pregnancy.
• It is secreted by the corpus luteum after ovulation, and during pregnancy, its production is taken over by the placenta.
• Progesterone helps prepare the endometrium (uterine lining) for implantation of a fertilized egg and supports early pregnancy.
• Role of Hormones in Breastfeeding:
• Prolactin is the primary hormone responsible for milk production.
• Oxytocin is responsible for the milk ejection reflex (also known as the "let-down" reflex).
• While progesterone is present in small amounts in breast milk, it is essential for the development of milk glands during pregnancy.
• Other Hormones Mentioned in the Options:
• Testosterone: This is the primary male sex hormone and is not typically found in breast milk. It plays a role in male reproductive tissues and secondary sexual characteristics.
• Glucagon: A hormone that regulates blood sugar levels by promoting the breakdown of glycogen to glucose in the liver. It is not associated with breast milk.
• Melatonin: A hormone that regulates sleep-wake cycles and is not commonly found in breast milk in significant amounts.
• Importance of Breast Milk:
• Breast milk is the primary source of nutrition for newborns and contains essential nutrients, antibodies, and enzymes that support the baby’s growth and immunity.
• It contains essential fats, proteins, carbohydrates, and vitamins required for the baby’s overall development.
• Colostrum, the first milk produced, is especially rich in antibodies and provides vital immunity to the newborn.

The correct answer is President.

Key Points

• The Contingency Fund of India is established under Article 267(1) of the Indian Constitution, which provides for an imprest fund to be at the disposal of the President of India.
• This fund is used to meet unforeseen expenditures that cannot wait for prior approval by Parliament. Hence, the President acts as the custodian of this fund.
• The fund is placed at the disposal of the President to authorize expenses for urgent or unforeseen situations, such as natural calamities, emergencies, or other unexpected contingencies.
• The fund is managed by the Department of Economic Affairs, which operates under the Ministry of Finance.
• Once the expenditure is incurred, it requires subsequent approval from the Parliament through a supplementary grant.

Additional Information

• Contingency Fund of India:
• The Contingency Fund of India is maintained under the Consolidated Fund of India.
• The fund acts as an emergency reserve and is used to meet unforeseen expenses that cannot be delayed until the next session of Parliament.
• The amount withdrawn from the Contingency Fund must be replenished by obtaining an equivalent amount through the approval of Parliament.
• The fund is currently authorized to have a corpus of Rs. 500 crores, but the amount can be adjusted by parliamentary legislation.
• Role of the President in Financial Matters:
• The President is the constitutional authority responsible for overseeing the Contingency Fund, ensuring expenditures are made only in emergencies.
• Under Article 112 of the Constitution, the President also causes the Annual Financial Statement (Budget) to be laid before Parliament.
• Ministry of Finance:
• The Ministry of Finance plays a critical role in managing the Contingency Fund, as it administers the withdrawals and ensures compliance with legal and financial frameworks.
• The Department of Economic Affairs in the Ministry of Finance is specifically tasked with operating and maintaining the fund.
• Prime Minister and Other Roles:
• The Prime Minister does not directly manage the Contingency Fund but may propose policies or decisions requiring emergency funding.
• The CEO of NITI Aayog and other government officials do not have any custodial roles related to the Contingency Fund, as this authority is vested solely in the President.

The correct answer is Kwashiorkor.

Key Points

• Kwashiorkor is a severe form of malnutrition caused due to protein deficiency in the diet. It is most commonly seen in children in developing countries.
• This condition occurs when the intake of protein is insufficient, although the caloric intake may be adequate, leading to symptoms such as edema, irritability, and an enlarged fatty liver.
• The disease is characterized by symptoms such as swelling in the abdomen and legs, reddish discoloration of hair, failure to grow, and mental changes like apathy.
• Kwashiorkor is more common in regions where famine, limited food supply, or low levels of education about nutrition exist.
• The treatment involves introducing a balanced diet rich in proteins, vitamins, and minerals, along with medical supervision.

Additional Information

• Bronchitis:
• Bronchitis is a respiratory disease involving the inflammation of the bronchial tubes. It is not caused by a lack of protein but is often triggered by viral infections or exposure to irritants like tobacco smoke.
• Symptoms include persistent coughing, shortness of breath, and chest discomfort.
• Treatment involves rest, hydration, and in some cases, bronchodilators or antibiotics.
• Anaemia:
• Anaemia is commonly caused by a deficiency of iron, vitamin B12, or folic acid rather than protein.
• The condition leads to a decreased number of red blood cells or hemoglobin in the blood, causing symptoms like fatigue, weakness, and pale skin.
• Treatment generally involves iron supplements and dietary modifications.
• Goitre:
• Goitre is caused by an iodine deficiency in the diet, leading to abnormal enlargement of the thyroid gland.
• Symptoms may include swelling in the neck and difficulty swallowing or breathing.
• The condition is treated by increasing iodine intake through iodized salt or supplements.
• Protein Deficiency Diseases:
• Other diseases related to protein deficiency include Marasmus, which is characterized by extreme weight loss and muscle wasting due to insufficient calorie and protein intake.
• Protein-energy malnutrition is a broader term used to describe conditions like Kwashiorkor and Marasmus.

Important Points

• Geographical Impact:
• Kwashiorkor is prevalent in regions with low socioeconomic conditions, especially in parts of Africa, South Asia, and Latin America where food insecurity is widespread.
• Educational initiatives about balanced nutrition and access to resources are critical in combating this disease.
• Prevention:
• Ensuring a balanced diet rich in proteins, carbohydrates, fats, and micronutrients is essential for preventing malnutrition-related diseases.
• Government programs like the Integrated Child Development Services (ICDS) in India aim to address child malnutrition through supplementary nutrition and education.
• Global Efforts:
• Organizations like the World Health Organization (WHO) and United Nations International Children's Emergency Fund (UNICEF) work globally to combat malnutrition and promote food security.
• Programs such as World Food Programme provide food assistance in regions affected by famine and poverty.

The correct answer is New Delhi.

Key Points

• The fifth edition of the Raisina Dialogue, an annual global conference focusing on India's geopolitics and geo-economics, was held in New Delhi.
• The Raisina Dialogue is India's flagship conference on international affairs and is organized by the Observer Research Foundation (ORF) in collaboration with the Ministry of External Affairs.
• The conference brings together global leaders, policymakers, and academics to discuss topics related to foreign policy, international security, and global economic trends.
• The fifth edition featured participation from over 100 countries, making it one of the most significant platforms for international dialogue.
• The event in New Delhi focused on global governance and emerging challenges, including climate change, cyber security, and geopolitical tensions.

Additional Information

• Raisina Dialogue:
• The Raisina Dialogue was launched in 2016 and has since emerged as a premier international conference hosted annually in New Delhi.
• The dialogue is modeled along the lines of other global platforms like the Shangri-La Dialogue in Singapore and the Munich Security Conference in Germany.
• The event serves as a forum to discuss multilateral cooperation and explore solutions to global challenges.
• Observer Research Foundation (ORF):
• ORF is an Indian think tank headquartered in New Delhi and established in 1990.
• It conducts research and analysis on various issues including foreign policy, economic development, and security.
• ORF collaborates with governments, civil society, and academic institutions to promote informed policy-making.
• New Delhi as a Global Conference Hub:
• New Delhi, as India's capital, frequently hosts high-profile international conferences and summits.
• It is equipped with world-class infrastructure to accommodate large-scale events and provides a platform for global leaders and organizations to engage.
• Important Themes Discussed:
• Key topics include climate change, global security, trade policies, technological innovation, and regional cooperation.
• The dialogue aims to promote India's role in addressing global challenges and fostering partnerships.

The correct answer is Harsh Vardhan Shringla.

Key Points

• Harsh Vardhan Shringla was appointed as the Foreign Secretary of India on December 29, 2019, succeeding Vijay Keshav Gokhale.
• He is a career diplomat from the Indian Foreign Service (IFS), batch of 1984, and has held several high-profile diplomatic positions.
• Prior to his appointment as Foreign Secretary, he served as India's Ambassador to the United States, contributing to strengthening Indo-US relations.
• As Foreign Secretary, Shringla became the head of the Ministry of External Affairs (MEA), responsible for formulating and executing India's foreign policy.
• His tenure emphasized economic diplomacy, multilateral engagements, and India's global leadership on issues such as climate change, terrorism, and development cooperation.

Additional Information

• About Harsh Vardhan Shringla:
• Born on July 22, 1962, Shringla is a distinguished Indian diplomat known for his expertise in international relations.
• He has served in prestigious postings, including Bangladesh, Thailand, France, Vietnam, and the United Nations.
• He holds a strong educational background, having studied at St. Stephen's College, Delhi University, and later specializing in diplomacy.
• Role of the Foreign Secretary:
• The Foreign Secretary is the highest-ranking diplomat in the Ministry of External Affairs and advises the government on foreign policy matters.
• The position involves overseeing India's bilateral relations, multilateral engagements, and international negotiations.
• The Foreign Secretary plays a pivotal role in India's participation in key global forums such as the UN, G20, BRICS, and SAARC.
• India's Diplomatic Achievements under Shringla:
• Shringla's tenure contributed to strengthening India's strategic ties with major powers like the United States, Russia, Japan, and Europe.
• He emphasized India's leadership role in global challenges such as COVID-19 vaccine diplomacy, sustainable development, and climate action.
• He played a key role in operationalizing the Quad framework (India, US, Japan, and Australia), enhancing cooperation in the Indo-Pacific region.
• Notable Diplomatic Contributions:
• His tenure as India's Ambassador to the United States witnessed landmark agreements such as defense cooperation and strategic partnerships.
• He contributed to resolving key bilateral issues with Bangladesh, including water sharing and border management.
• Shringla's efforts in multilateral diplomacy led to India's election as a non-permanent member of the UN Security Council for 2021-22.

Important Points

• Other Prominent Indian Diplomats:
• T. S. Tirumurti: Currently serving as India's Permanent Representative to the United Nations.
• Vikas Swarup: Former diplomat and author, served as the Official Spokesperson of the Ministry of External Affairs.
• R. Madhusudan: An Indian diplomat who has contributed significantly in multilateral forums and negotiations.
• Significance of the Foreign Secretary Position:
• The position is critical for coordinating India's global strategy and response to international challenges.
• It involves crafting policies to safeguard India's economic, security, and geopolitical interests.

The correct answer is Alauddin Bahman Shah.

Key Points

• Alauddin Bahman Shah was the founder of the Bahmani Kingdom. He established this kingdom in 1347 AD, marking the beginning of one of the most significant medieval dynasties in southern India.
• He was originally known as Hasan Gangu, a Brahmin convert to Islam, before adopting the title of Alauddin Bahman Shah when he ascended the throne.
• The Bahmani Kingdom was established as a response to the decline of the Delhi Sultanate's control over the Deccan region under Muhammad bin Tughlaq.
• Gulbarga was chosen as the initial capital of the Bahmani Kingdom, which later shifted to Bidar. The kingdom played a pivotal role in shaping the political and cultural history of the Deccan.
• The Bahmani Kingdom was the first independent Islamic state in southern India and served as a precursor to the later Deccan Sultanates.

Additional Information

• Bahmani Kingdom:
• The Bahmani Kingdom ruled parts of the Deccan region for nearly 200 years, from 1347 AD to 1527 AD.
• The kingdom was primarily located in present-day states of Karnataka, Maharashtra, and Telangana.
• The Bahmani rulers were known for their patronage of art, architecture, and literature, which significantly contributed to Deccan culture.
• One of their notable architectural achievements includes the construction of the Gol Gumbaz in Bijapur.
• The kingdom eventually disintegrated into five successor states, collectively known as the Deccan Sultanates (Bijapur, Golconda, Ahmednagar, Berar, and Bidar).
• Important Characteristics of Other Options:
• Mir Zafar: He was a Nawab of Bengal during the British era and played no role in the establishment of the Bahmani Kingdom.
• Mohammad bin Tughlaq: He was a ruler of the Delhi Sultanate, known for his ambitious projects and administrative failures, but he did not establish the Bahmani Kingdom.
• Firoz Shah Bahmani: He was a later ruler of the Bahmani dynasty but not its founder.
• Significance of the Bahmani Kingdom:
• The Bahmani Kingdom was pivotal in fostering Persian culture and Islamic traditions in the Deccan region.
• The rulers maintained a strong rivalry with the Vijayanagara Empire, leading to frequent conflicts over the control of the Krishna-Tungabhadra region.
• The kingdom's eventual division into the Deccan Sultanates laid the groundwork for the political fragmentation of southern India before the arrival of the Mughals.

Important Points

• Timeline: The Bahmani Kingdom was established in 1347 AD, during the reign of Muhammad bin Tughlaq, marking a shift in power from Delhi to the Deccan.
• Capital Shift: The capital moved from Gulbarga to Bidar, signifying strategic and administrative changes.
• Legacy: The Bahmani Kingdom's cultural contributions, including advancements in architecture and literature, remain influential in the region.

The correct answer is Sardar Vallabhbhai Patel.

Key Points

• Bardoli Satyagraha was a significant peasant movement led by Sardar Vallabhbhai Patel in 1928 under the guidance of Mahatma Gandhi.
• The movement was initiated in the Bardoli taluka of Gujarat against the excessive tax hike of 22% imposed by the colonial government.
• Sardar Vallabhbhai Patel earned the title of "Sardar" for his leadership and role in organizing the farmers during the Satyagraha.
• The farmers refused to pay the increased taxes and adopted the principle of non-violent resistance, inspired by Mahatma Gandhi.
• The movement successfully forced the British authorities to roll back the tax hike, thus demonstrating the power of collective and peaceful resistance.

Additional Information

• Role of Sardar Vallabhbhai Patel:
• Sardar Patel worked closely with Mahatma Gandhi and took charge of the Bardoli Satyagraha, where he organized farmers and led them in their protest.
• His title of "Sardar" (leader) was given by the women of Bardoli in recognition of his leadership skills and dedication to the cause.
• He played a critical role in maintaining discipline among the farmers and ensuring the movement adhered to the principles of non-violence.
• Historical Context:
• The British government had imposed a 22% hike in land revenue in Bardoli, citing inflation, which severely burdened the farmers.
• The local farmers, suffering from poor harvests and economic hardships, found the tax hike unjustifiable and decided to protest.
• Outcome of the Bardoli Satyagraha:
• After months of peaceful resistance and negotiation, the British government agreed to reduce the taxes.
• The success of the movement boosted the morale of Indians and demonstrated the effectiveness of Satyagraha as a tool for resistance.
• Other Leaders:
• Madan Mohan Malaviya: Known for his contributions to education and the establishment of the Banaras Hindu University, he was not directly involved in the Bardoli Satyagraha.
• Lala Lajpat Rai: A prominent leader of the Indian independence movement, he was associated with the Punjab region and the fight against colonial rule but did not lead the Bardoli Satyagraha.
• Jawaharlal Nehru: Later became the first Prime Minister of India and was a key figure in the independence movement, but he was not connected with this specific peasant uprising.

Important Points

• Bardoli Satyagraha: It became a blueprint for future peasant movements in India, emphasizing non-violence and organization.
• Sardar Patel's Role: His leadership in Bardoli strengthened his position in the Indian National Congress and made him one of the most respected leaders of the time.
• Legacy: The movement is remembered as a symbol of self-respect and the fight against colonial oppression.

The correct answer is J. B. Kripalani.

Key Points

• J. B. Kripalani was the President of the Indian National Congress at the time of India's independence in 1947.
• J. B. Kripalani was elected as the President of the Congress in 1946, succeeding Maulana Abul Kalam Azad, and served until 1947.
• Kripalani presided over the Congress during a pivotal period when discussions regarding the partition of India and independence were underway.
• He was a prominent leader in India's freedom movement, known for his involvement in the Quit India Movement and his association with Mahatma Gandhi.
• As Congress President, Kripalani played a significant role in managing the transition to independence and addressing the challenges posed by partition.

Additional Information

• Indian National Congress:
• The Indian National Congress was established in 1885 and became the principal leader in India's struggle for independence.
• It played a critical role in mobilizing masses, organizing movements like the Non-Cooperation Movement, Civil Disobedience Movement, and Quit India Movement.
• Prominent leaders of the Congress during the independence era included Mahatma Gandhi, Jawaharlal Nehru, Sardar Vallabhbhai Patel, and Maulana Azad.
• J. B. Kripalani:
• Jivatram Bhagwandas Kripalani was born on 11 November 1888 and was popularly known as Acharya Kripalani.
• He was closely associated with Mahatma Gandhi and played an instrumental role in the freedom struggle.
• Kripalani later parted ways with the Congress and founded the Kisan Mazdoor Praja Party in 1951.
• Other Congress Presidents:
• Jawaharlal Nehru: Nehru served as Congress President several times and was a leading figure in the independence movement. However, he was not the president at the time of independence.
• Maulana Azad: Azad was Congress President from 1940 to 1946 and played a significant role in the freedom movement, especially advocating Hindu-Muslim unity.
• Purushottam Das Tandon: Tandon was elected Congress President in 1950, post-independence, known for his support for Hindi as the national language.
• Partition of India:
• India was partitioned in 1947, leading to the creation of India and Pakistan.
• The Congress played a significant role in negotiating the terms of independence and partition under leaders like Gandhi, Nehru, and Kripalani.

Important Points

• Role of Congress Presidents:
• The President of the Indian National Congress was a crucial position, particularly during the freedom struggle, as they led negotiations with the British government.
• The Congress President also set the tone for the party's policies and approach towards independence and governance.
• J. B. Kripalani's leadership in the final years of British rule was marked by significant challenges, including communal tensions and partition.
• Congress and Independence:
• The Congress, under the leadership of prominent figures, worked towards achieving complete independence and addressing challenges like the partition and communal harmony.
• The party transitioned from being a movement for independence to becoming the ruling party in free India post-1947.

The correct answer is IDFC Bank.

Key Points

• The National Payments Corporation of India (NPCI) was established in 2008 by the Reserve Bank of India (RBI) and the Indian Banks' Association (IBA) under the provisions of the Payment and Settlement Systems Act, 2007.
• The founding promoter banks of NPCI are ten leading banks in India, including State Bank of India (SBI), ICICI Bank, HDFC Bank, Canara Bank, Bank of Baroda, Punjab National Bank, Union Bank of India, Bank of India, Indian Bank, and Citibank.
• IDFC Bank is not one of the promoter banks of NPCI as it was established in 2015, much after NPCI's formation.
• The core objective of NPCI is to facilitate digital payments and streamline retail payment systems in India, with products like Unified Payments Interface (UPI), RuPay cards, Bharat Bill Payment System (BBPS), and IMPS.
• Lead promoter banks like ICICI Bank, HDFC Bank, and Canara Bank played a pivotal role in establishing the robust payment infrastructure that NPCI represents today.

Additional Information

• National Payments Corporation of India (NPCI):
• NPCI is a not-for-profit organization that operates retail payment and settlement systems in India.
• It was formed in 2008 and is headquartered in Mumbai.
• NPCI’s primary goal is to ensure the development of safe and efficient payment mechanisms in the country.
• It has introduced innovative products like UPI, RuPay Cards, and Fastag that cater to different payment needs.
• IDFC Bank:
• IDFC Bank was established on October 1, 2015, headquartered in Mumbai.
• The bank is part of the IDFC Limited group, which initially focused on infrastructure financing.
• It is a relatively new bank compared to the lead promoters of NPCI.
• IDFC FIRST Bank was formed after the merger of IDFC Bank and Capital First in 2018.
• Promoter Banks of NPCI:
• These include major banks like State Bank of India, ICICI Bank, HDFC Bank, Canara Bank, Punjab National Bank, and others, which collectively contributed to the formation and functioning of NPCI.
• The promoter banks have played a crucial role in supporting NPCI’s various payment initiatives.
• NPCI Products:
• Unified Payments Interface (UPI): A real-time payment system that facilitates interbank transactions via mobile platforms.
• RuPay Cards: India’s domestic card payment network offering affordable and accessible payment solutions.
• Bharat Bill Payment System (BBPS): A one-stop bill payment ecosystem.
• Immediate Payment Service (IMPS): A robust platform for instant money transfers.
• Important Developments:
• NPCI has been instrumental in promoting digital payments in India and reducing dependence on cash transactions.
• It is also working towards international collaborations to expand the reach of RuPay cards and UPI globally.

The correct answer is Hyderabad.

Key Points

• The Salarjung Museum is located in Hyderabad, the capital city of Telangana, India.
• It is one of the largest museums in the world and houses an extensive collection of art, artifacts, and antiques collected by Nawab Mir Yousuf Ali Khan, commonly known as Salar Jung III.
• The museum was formally established in 1951 by the Government of India and is recognized as a national institution.
• The museum is situated on the southern bank of the River Musi, near other notable landmarks in Hyderabad such as Charminar and Mecca Masjid.
• It is renowned for its diverse collection, featuring items from India, Europe, Asia, and the Middle East, including paintings, sculptures, textiles, manuscripts, furniture, and clocks.

Additional Information

• Historical Background:
• The Salarjung Museum primarily showcases the private collection of Nawab Salar Jung III, who served as the Prime Minister of Hyderabad during the reign of the Nizam.
• Post his demise in 1949, his collection was handed over to the Government of India, and the museum was officially inaugurated in 1951.
• Collections and Highlights:
• The museum boasts more than 43,000 artifacts, 9,000 manuscripts, and 47,000 printed books.
• Its collection includes precious items like the Veiled Rebecca, an exquisite marble statue, and the famous Musical Clock.
• Other highlights include Mughal miniatures, European porcelain, and Persian carpets.
• Structure and Organization:
• The museum spans 38 galleries spread across two floors, each dedicated to specific regions, themes, or time periods.
• Some notable sections include the Indian Art Gallery, European Art Gallery, Far Eastern Art Gallery, and the Children’s Section.
• Tourism and Accessibility:
• The Salarjung Museum is a popular tourist destination in Hyderabad, attracting visitors from across the globe.
• The museum is easily accessible from major landmarks such as the Hyderabad Railway Station and Rajiv Gandhi International Airport.

Important Points

• Hyderabad:
• Hyderabad is the capital city of Telangana and serves as a major cultural and economic hub in southern India.
• The city is famous for landmarks such as the Charminar, Golconda Fort, and Hussain Sagar Lake.
• It is also known as the City of Pearls due to its historical association with the pearl and diamond trade.
• Other Museums in Hyderabad:
• Besides the Salarjung Museum, Hyderabad is home to other notable museums such as the Telangana State Archaeology Museum and the Birla Science Museum.
• These institutions contribute to the city’s rich historical and cultural heritage.

The correct answer is Brahmaputra.

Key Points

• The Brahmaputra River is one of the three major rivers whose interaction leads to the formation of the Northern Plains of India. The other two rivers are the Ganga and the Indus.
• The Northern Plains are formed by the deposition of alluvium brought by the three major river systems—Indus, Ganga, and Brahmaputra—along with their tributaries.
• The Brahmaputra River originates from the Angsi Glacier in Tibet, where it is known as the Yarlung Tsangpo. It enters India through Arunachal Pradesh and flows through Assam.
• The river contributes significantly to the alluvial soil deposition across its flood plains, enriching the region's agricultural fertility, which is a key feature of the Northern Plains.
• The interaction of these rivers and their tributaries is responsible for creating one of the world's largest and most fertile plains, which supports extensive agriculture and sustains millions of livelihoods.

Additional Information

• Brahmaputra River:
• The Brahmaputra River flows through Tibet, India, and Bangladesh. It has a total length of approximately 2,900 km.
• Known for its high sediment load, the Brahmaputra is prone to frequent flooding during the monsoon season, which contributes to the alluvial deposition in the plains.
• The river is an important source of irrigation, transportation, and hydroelectric power in northeastern India.
• Major tributaries include Subansiri, Manas, and Dibang.
• Northern Plains:
• The Northern Plains are divided into three parts: the Punjab Plains (formed by the Indus river system), the Ganga Plains, and the Brahmaputra Plains.
• The plains are characterized by fertile alluvial soil, which supports agriculture as the primary economic activity.
• Crop cultivation includes wheat, rice, sugarcane, and maize, making the region the agricultural backbone of India.
• The plains also host major cities such as Delhi, Kolkata, and Patna, contributing to the socio-economic development of the country.
• Other River Systems:
• The Indus River, originating from Tibet, flows through India and Pakistan, contributing to the formation of the Punjab Plains.
• The Ganga River, originating from the Gangotri Glacier, flows through northern India and Bangladesh, forming the Ganga Plains.
• Both rivers, along with their tributaries, play a crucial role in shaping the geographical and cultural landscape of the region.
• Importance of River Systems:
• The interaction between the Ganga, Brahmaputra, and Indus river systems results in the rejuvenation of soil fertility, making the Northern Plains one of the most agriculturally productive regions in the world.
• These rivers support economic activities such as agriculture, fishing, and transportation, and provide water resources for domestic and industrial use.
• The plains formed by these rivers are densely populated due to their rich natural resources and favorable climate.

Important Points

• Geographical Features:
• The Northern Plains are primarily composed of alluvial soil, which is deposited by rivers over thousands of years.
• The plains extend across Punjab, Haryana, Uttar Pradesh, Bihar, West Bengal, and Assam.
• Flood Management:
• The Brahmaputra River is prone to flooding, necessitating effective flood control measures to protect the plains.
• Various government initiatives aim at controlling floods and improving irrigation infrastructure to support agriculture.

The correct answer is Government of India Act, 1919.

Key Points

• The Government of India Act, 1919, also known as the Montagu-Chelmsford Reforms, introduced the system of dyarchy (dual government) in the provinces of British India.
• Dyarchy divided provincial subjects into two categories: Transferred Subjects and Reserved Subjects. Transferred subjects were administered by elected Indian ministers, while Reserved subjects remained under the control of British officials.
• The Act aimed to provide a degree of self-governance to Indians while maintaining British control over key areas such as law and order, police, and finance.
• The Montagu Declaration of 1917 had promised Indians greater self-governance, and the Government of India Act, 1919 was the legislative measure to fulfill that promise.
• This Act was a step towards gradual constitutional development in India, but it was criticized for the limited scope of Indian representation and influence.

Additional Information

• Government of India Act, 1909:
• Also known as the Morley-Minto Reforms, this act introduced the concept of separate electorates for Muslims in India.
• It expanded the legislative councils and allowed Indians to be elected to legislative bodies, but its scope was limited.
• The act aimed to incorporate Indians into governance but was criticized for dividing communities.
• Government of India Act, 1858:
• This Act was passed after the Indian Rebellion of 1857 and marked the end of the East India Company's rule.
• It transferred governance to the British Crown, establishing the office of the Secretary of State for India and the Governor-General of India.
• The act centralized administration but did not involve Indians in governance.
• Government of India Act, 1935:
• This Act introduced provincial autonomy and proposed a federal structure for India, although the latter was not implemented.
• It abolished dyarchy at the provincial level and expanded the electoral base.
• The act also served as the basis for the Constitution of India, which was adopted in 1950.
• Key Features of Dyarchy:
• Dyarchy involved the division of subjects into Transferred and Reserved categories.
• Transferred subjects included areas such as education, health, and agriculture, managed by Indian ministers.
• Reserved subjects included law, order, and finance, controlled by British officials.
• Dyarchy was criticized for its inefficiency and lack of real power for Indian ministers.

Important Points

• Montagu-Chelmsford Reforms:
• These reforms were named after Edwin Montagu, the Secretary of State for India, and Lord Chelmsford, the Viceroy of India.
• The reforms aimed to gradually introduce self-governance but faced criticism for their limited scope and failure to address demands for full independence.
• Impact of the 1919 Act:
• The Act increased Indian representation in governance but maintained British control over key areas.
• It led to the rise of nationalist movements demanding complete independence.
• Evolution of Indian Governance:
• The Government of India Act, 1919 laid the foundation for subsequent constitutional developments, including the 1935 Act and the Indian Constitution.
• It marked a shift from absolute British rule to limited Indian participation in governance.

The correct answer is Liquid state changes into the gaseous state.

Key Points

• Evaporation is the process by which a liquid changes into the gaseous state without reaching its boiling point. This occurs at the surface of the liquid.
• It is a surface phenomenon, meaning only the molecules at the surface of the liquid gain enough energy to escape into the air as vapor.
• Evaporation can occur at any temperature below the boiling point, provided the molecules have sufficient kinetic energy.
• Factors affecting evaporation include temperature, surface area, humidity, and wind speed. Higher temperature and larger surface area increase the rate of evaporation.
• The process of evaporation plays a critical role in the water cycle, helping in the formation of clouds and precipitation. Hence, the statement "Liquid state changes into the gaseous state" is correct.

Additional Information

• Incorrect Statements in the Question:
• "Solid state changes into the liquid state" refers to melting, not evaporation. Melting occurs when a solid is heated to its melting point and transitions to the liquid state. This statement is incorrect.
• "Gaseous state changes into liquid state" describes the process of condensation, which is the opposite of evaporation. In condensation, gas molecules lose energy and convert into liquid form. This statement is incorrect.
• "Liquid state changes into the solid state" is known as freezing. Freezing occurs when a liquid cools down to its freezing point and solidifies. This statement is incorrect.
• Applications of Evaporation:
• Evaporation is used in cooling processes, such as sweat evaporation from the skin, which helps regulate body temperature.
• It is applied in industrial processes like drying clothes, salt extraction from seawater, and drying grains.
• Evaporation is essential in natural processes like maintaining water balance through the water cycle.
• Evaporation vs Boiling:
• Evaporation occurs at the surface of the liquid and at any temperature below the boiling point.
• Boiling occurs throughout the liquid at its boiling point, forming bubbles of vapor within the liquid.
• Examples of Evaporation:
• Formation of clouds from water evaporating from oceans, rivers, and lakes.
• Drying of wet clothes in sunlight due to the evaporation of water.
• Production of salt by evaporating seawater in salt pans.

Important Points

• Evaporation in the Water Cycle:
• Evaporation is a crucial step in the water cycle, converting liquid water from oceans, rivers, and lakes into vapor.
• This vapor rises into the atmosphere and contributes to cloud formation through condensation.
• Impact of Humidity:
• High humidity reduces the rate of evaporation because the air already contains significant moisture.
• Low humidity speeds up evaporation as the air can absorb more water vapor.
• Scientific Explanation:
• Evaporation occurs when molecules at the liquid's surface gain sufficient kinetic energy to overcome intermolecular forces and escape into the air.
• The energy required for evaporation is supplied by heat, which increases the kinetic energy of the molecules.

The correct answer is Sridhar Patra.

Key Points

• Sridhar Patra was appointed as the Chairman-cum-Managing Director (CMD) of the National Aluminium Company Limited (NALCO) in December 2019.
• Prior to this appointment, he was serving as the Director (Finance) at NALCO since September 2018.
• He succeeded Tapan Kumar Chand, the former CMD of NALCO.
• National Aluminium Company Limited (NALCO) is a Navratna CPSE (Central Public Sector Enterprise) under the Ministry of Mines, Government of India.
• NALCO is one of the largest integrated producers of bauxite, alumina, and aluminium in Asia.

Additional Information

• About Sridhar Patra:
• Sridhar Patra is a seasoned finance professional with more than three decades of experience in various sectors, including power, steel, and mining.
• He has worked in various reputed organizations, including Odisha Mining Corporation, Indian Rare Earths Limited, and TRIFED.
• He is a Chartered Accountant (CA) by profession and has contributed significantly to the financial management and planning of NALCO.
• About National Aluminium Company Limited (NALCO):
• NALCO is a Navratna Central Public Sector Enterprise established in 1981.
• It operates in two major segments: alumina and aluminium production.
• The company is also involved in the generation of renewable energy and contributes significantly to the Indian aluminium industry.
• Other notable appointments:
• Anoop Kumar Mittal: Former CMD of National Buildings Construction Corporation (NBCC).
• Rakesh Kumar: CMD of Neyveli Lignite Corporation India Limited (NLCIL).
• S. K. Gupta: Former CMD of RITES Limited, a Government of India Enterprise.
• Significance of NALCO:
• NALCO is among the largest integrated bauxite-alumina-aluminium-power complexes in the world.
• The company plays a crucial role in contributing to India’s economy through its exports of aluminium and related products.
• It is also a key player in promoting sustainability by investing in renewable energy projects, including wind and solar energy.

The correct answer is M.S. Dhoni.

Key Points

• In December 2019, Cricket Australia named M.S. Dhoni as the captain of the ODI team of the decade in recognition of his outstanding contributions to international cricket.
• Mahendra Singh Dhoni, popularly known as M.S. Dhoni, is a former captain of the Indian cricket team and one of the most successful captains in the history of cricket.
• Dhoni led India to multiple significant victories, including the 2007 ICC T20 World Cup, the 2011 ICC Cricket World Cup, and the 2013 ICC Champions Trophy, making him the only captain to win all three ICC trophies.
• He was known for his cool demeanor, sharp cricketing acumen, and excellent wicketkeeping skills, which earned him a reputation as one of the greatest finishers in the game.
• Under Dhoni's captaincy, India achieved the number one ranking in ICC ODI rankings for the first time in history and maintained consistent performances in international cricket.

Additional Information

• Achievements of M.S. Dhoni:
• M.S. Dhoni played 350 ODI matches, scoring 10,773 runs with an average of 50.57, including 10 centuries and 73 half-centuries.
• He was known for his unconventional batting style and the iconic "helicopter shot," which became his trademark in finishing matches.
• As a wicketkeeper, Dhoni holds the record for the most stumpings in ODIs (123 stumpings), showcasing his exceptional skills behind the stumps.
• He received numerous awards, including the prestigious Padma Bhushan (2018), Padma Shri (2009), and the Rajiv Gandhi Khel Ratna Award (2007-08).
• Michael Clarke:
• Michael Clarke is a former Australian cricketer and captain of the Australian cricket team.
• He led Australia to victory in the 2015 ICC Cricket World Cup.
• Though a successful captain, Clarke was not named in Cricket Australia's ODI team of the decade.
• Chris Gayle:
• Chris Gayle is a legendary cricketer from the West Indies known for his explosive batting in limited-overs cricket.
• Gayle holds the record for the highest individual score in ODIs (215 runs against Zimbabwe in the 2015 World Cup).
• Although a powerful batsman, he was not selected as the captain of Cricket Australia's ODI team of the decade.
• Kumar Sangakkara:
• Kumar Sangakkara is a former cricketer and captain of the Sri Lankan cricket team, widely regarded as one of the greatest wicketkeeper-batsmen in cricket history.
• He scored 14,234 runs in ODIs and holds the record for the most consecutive centuries in a World Cup (4 centuries in the 2015 ICC World Cup).
• Sangakkara was not named as the captain of Cricket Australia's ODI team of the decade despite his remarkable career.
• Cricket Australia's ODI Team of the Decade:
• Cricket Australia recognized players who had consistently delivered outstanding performances during the decade.
• The selection of M.S. Dhoni as the captain highlights his exceptional leadership and cricketing achievements.

The correct answer is Article 302.

Key Points

• Article 302 of the Indian Constitution empowers the Parliament to impose restrictions on trade, commerce, and intercourse between two states or within any part of Indian territory if it is in the public interest.
• This article plays a significant role in ensuring that trade and commerce do not disrupt public welfare, safety, or essential services.
• It provides the Parliament with the authority to regulate commerce, ensuring that specific regions or states do not face unequal or unfair trade practices.
• The provision ensures that restrictions are imposed only when necessary and justified, keeping the balance between economic activities and public interest intact.
• Article 302 is a part of Part XIII of the Constitution, which deals with the freedom of trade, commerce, and intercourse within Indian territory.

Additional Information

• Part XIII of the Indian Constitution:
• Articles 301 to 307 are included in Part XIII and deal with the freedom of trade, commerce, and intercourse.
• Article 301: Ensures the freedom of trade, commerce, and intercourse throughout the territory of India.
• Article 302: Empowers the Parliament to impose restrictions on this freedom in the interest of the public.
• Article 303: Prohibits discrimination between states in trade and commerce by the Parliament or state legislatures.
• Article 304: Allows states to impose reasonable restrictions on trade and commerce for public interest or to levy taxes on imported goods.
• Role of Parliament under Article 302:
• The Parliament can impose restrictions only if it deems such restrictions necessary for the greater public interest.
• However, these restrictions should not violate the fundamental principles of equality or fairness as guaranteed under the Constitution.
• Distinction between Articles 302 and 304:
• While Article 302 empowers the Parliament to impose restrictions on trade and commerce for public interest, Article 304 empowers the state legislatures to impose restrictions within their respective states under specific conditions.
• Both articles aim to ensure that economic activities do not hinder public welfare or create inequalities.
• Important Considerations:
• Restrictions under Article 302 must align with the broader objectives of the Constitution, ensuring public welfare and equity.
• It safeguards against monopolistic practices or activities that could harm economic stability or fairness.

The correct answer is 1605-1627 CE.

Key Points

• Jahangir, also known as Nur-ud-din Muhammad Salim, was the fourth ruler of the Mughal Empire in India.
• He ascended the throne in 1605, following the death of his father, Akbar the Great.
• Jahangir's reign lasted until his death in 1627, marking a period of 22 years of rule.
• During his reign, Jahangir continued the policies of administrative and cultural consolidation initiated by his father and is particularly remembered for his contributions to art and architecture.
• The timeline of Jahangir's rule, 1605-1627 CE, is well-documented in historical records, including the famous autobiography Tuzuk-i-Jahangiri, written by Jahangir himself.

Additional Information

• Jahangir's Reign:
• Jahangir's rule was characterized by political stability, economic prosperity, and cultural achievements. His court was known for its patronage of arts, literature, and architecture.
• His wife, Nur Jahan, played a significant role in court politics and administration, becoming one of the most powerful women in Mughal history.
• Jahangir is particularly remembered for his love of nature and his interest in botany, zoology, and painting. He commissioned numerous miniature paintings that depicted flora and fauna.
• Key Achievements:
• Jahangir maintained the administrative system established by his father, Akbar, and continued the policy of religious tolerance.
• He is credited with strengthening the Mughal judicial system, and under his rule, the concept of justice was held in high regard.
• He introduced the Chain of Justice, a golden chain with bells that allowed anyone seeking justice to directly approach the emperor.
• Art and Architecture:
• Jahangir was a great patron of Mughal art and architecture. He encouraged the development of the Mughal painting style, which blended Persian, Indian, and European influences.
• Some of the famous architectural projects initiated or completed during his reign include the Tomb of Akbar in Sikandra and the Shalimar Bagh in Srinagar, Kashmir.
• Key Events:
• Jahangir faced several rebellions during his reign, including an uprising led by his son, Prince Khusrau.
• His reign also witnessed the arrival of the first English ambassador, Sir Thomas Roe, which marked the beginning of English influence in India.
• Important Points:
• Jahangir's full name was Nur-ud-din Muhammad Salim, and he adopted the title "Jahangir" (World Seizer) upon his coronation.
• He was the fourth ruler of the Mughal Empire, succeeding his father, Akbar, and was later succeeded by his son, Shah Jahan.
• The Mughal Empire reached its cultural zenith during Jahangir's reign, particularly in terms of art and architecture.
• Jahangir's autobiography, Tuzuk-i-Jahangiri, provides valuable insights into his life, governance, and the society of his time.

The correct answer is Volkan Bozkir.

Key Points

• Volkan Bozkir, a diplomat and politician from Turkey, was elected as the President of the 75th session of the United Nations General Assembly on 17th June 2020.
• He is the first Turkish national to preside over the United Nations General Assembly, marking a historic achievement for Turkey on the global diplomatic stage.
• Volkan Bozkir assumed office on 15th September 2020, succeeding Tijjani Muhammad-Bande, who was the President of the 74th session.
• His election came during a crucial period when the world was grappling with the COVID-19 pandemic, and he emphasized the importance of multilateralism and global cooperation in tackling international challenges.
• Bozkir has had a distinguished career, serving as a diplomat, Turkey's Minister for European Union Affairs, and a member of the Turkish Parliament for several terms.

Additional Information

• United Nations General Assembly (UNGA):
• The UNGA is one of the six principal organs of the United Nations, established in 1945, and it serves as the main deliberative, policymaking, and representative body of the United Nations.
• The General Assembly consists of 193 member states, each having one vote, regardless of size or population.
• It convenes annually in September at the UN headquarters in New York.
• The President of the General Assembly is elected by member states and serves a one-year term.
• Role of the President of the General Assembly:
• The President leads the General Assembly sessions, sets the agenda, and facilitates discussions among member states.
• He/she represents the General Assembly in official functions and meetings globally.
• The President plays a crucial role in mediating discussions on pressing global issues, such as climate change, international security, and sustainable development.
• Volkan Bozkir's Career Highlights:
• Bozkir has served as Turkey's Minister for EU Affairs and Chief Negotiator for EU accession between 2014 and 2016.
• He has a diplomatic career spanning decades, including serving as the Permanent Representative of Turkey to the EU.
• He was elected to the Turkish Parliament in 2011 and served as the Chairman of the Foreign Affairs Committee.
• Other Notable UNGA Presidents:
• Mogens Lykketoft: President of the 70th session of the UNGA; a politician from Denmark.
• Peter Thomson: President of the 71st session of the UNGA; a diplomat from Fiji.
• Sam Kahamba Kutesa: President of the 69th session of the UNGA; a politician from Uganda.

Important Points

• COVID-19 Response:
• Volkan Bozkir highlighted the need for the global community to work together to combat the COVID-19 pandemic effectively.
• He emphasized the role of the UNGA in strengthening multilateralism and ensuring equitable distribution of vaccines and resources worldwide.
• 75th UNGA Session Theme:
• The theme for the 75th session was "The Future We Want, the UN We Need: Reaffirming Our Collective Commitment to Multilateralism".
• This theme reflected the global community's resolve to strengthen international cooperation during challenging times.

The correct answer is Stuart Broad.

Key Points

• Stuart Broad, a renowned English cricketer, achieved the milestone of taking his 500th Test wicket on 28 July 2020, becoming the seventh bowler in history to reach this remarkable feat.
• Broad achieved this milestone during the third Test match against the West Indies at Old Trafford, Manchester.
• He is part of an elite group of bowlers who have taken 500 or more wickets in Test cricket, including legends like James Anderson, Muttiah Muralitharan, Shane Warne, and Anil Kumble.
• Broad is known for his exceptional fast bowling skills and has been a vital part of England’s Test team for over a decade.
• His performance in the match also contributed significantly to England's victory, showcasing his consistency and ability to perform under pressure.

Additional Information

• Stuart Broad:
• Broad was born on 24 June 1986 in Nottingham, England.
• He has played a pivotal role in England’s cricket history, forming a legendary fast-bowling partnership with James Anderson.
• Broad’s career highlights include taking multiple five-wicket hauls and contributing to key victories in the Ashes series.
• Elite Club of 500 Wicket-Takers:
• Broad joined the ranks of legendary bowlers such as Muttiah Muralitharan, Shane Warne, Anil Kumble, James Anderson, Glenn McGrath, and Courtney Walsh.
• Muttiah Muralitharan holds the record for the most Test wickets with 800 wickets.
• James Anderson:
• James Anderson, Broad’s teammate, is the leading wicket-taker among fast bowlers in Test cricket with over 650 wickets.
• He and Broad have shared several memorable spells, making them one of the most successful bowling duos in Test cricket.
• Test Cricket Milestone:
• Achieving 500 wickets in Test cricket is considered one of the highest accolades for a bowler, showcasing their skill, endurance, and consistency over a long career.
• Broad’s achievement reflects his dedication and contribution to the sport, earning him recognition as one of the all-time greats in cricket history.

The correct answer is Lakshadweep.

Key Points

• Lakshadweep is the smallest Union Territory of India in terms of total area, covering only 32 square kilometers.
• It consists of 36 islands, of which only 10 islands are inhabited. The rest are uninhabited, along with some islets and atolls.
• The Union Territory is located in the Arabian Sea, off the southwestern coast of India. Its administrative capital is Kavaratti.
• Lakshadweep is known for its pristine beaches, lagoons, coral reefs, and marine biodiversity. It is a popular tourist destination for eco-tourism.
• The islands are strategically significant, as they are located close to important trade routes in the Arabian Sea.

Additional Information

• Ladakh:
• Ladakh is the largest Union Territory of India in terms of area, covering 59,146 square kilometers.
• It is located in the northernmost part of India and is known for its mountainous terrain, including the Himalayas and the Karakoram ranges.
• Ladakh was formed as a separate Union Territory on October 31, 2019, after the bifurcation of Jammu and Kashmir.
• The region is sparsely populated and is famous for its cold desert landscapes and monasteries.
• Chandigarh:
• Chandigarh is a Union Territory and serves as the capital city for both Punjab and Haryana.
• It covers an area of 114 square kilometers, making it larger than Lakshadweep but smaller compared to other Union Territories.
• Chandigarh is known for its planned city layout, designed by the famous French architect Le Corbusier.
• It is renowned for its urban infrastructure and high standard of living.
• Jammu and Kashmir:
• Jammu and Kashmir was reorganized into a Union Territory on October 31, 2019, following the abrogation of Article 370.
• It spans an area of 55,673 square kilometers and is known for its scenic beauty, including the Kashmir Valley, Dal Lake, and Gulmarg.
• The region is strategically important due to its location bordering Pakistan and China.
• It is famous for its handicrafts, tourism, and diverse culture.
• Important Points:
• The Union Territories of India are directly governed by the Central Government through an appointed Administrator or Lieutenant Governor.
• Among all Union Territories, Lakshadweep is the smallest in area but holds ecological significance due to its marine biodiversity and coral reefs.
• Each Union Territory has unique geographical, cultural, and strategic characteristics that contribute to India’s diversity.

The correct answer is Dominic Thiem.

Key Points

• Dominic Thiem won the men's singles final of the US Open 2020, defeating Alexander Zverev in a thrilling five-set match.
• This victory marked Dominic Thiem's first Grand Slam title in his career, making him the first Austrian to win a Grand Slam singles title since Thomas Muster in 1995.
• The final was held at the USTA Billie Jean King National Tennis Center in New York, and it was a historic match as Thiem overcame a two-set deficit to win the title.
• The final score was 2–6, 4–6, 6–4, 6–3, 7–6(6), showcasing resilience and determination from Thiem.
• The US Open 2020 was notable for being held during the COVID-19 pandemic, with strict protocols and no spectators present.

Additional Information

• Dominic Thiem:
• Thiem is an Austrian professional tennis player born on 3 September 1993 in Wiener Neustadt, Austria.
• As of 2020, he was ranked in the top 5 ATP rankings and known for his powerful baseline play and one-handed backhand.
• He became the second Austrian male player to win a Grand Slam singles title after Thomas Muster.
• Thiem has won titles on all surfaces, including clay, grass, and hard courts.
• US Open 2020 Highlights:
• The 2020 edition of the US Open was held from August 31 to September 13, 2020 in New York.
• Due to the COVID-19 pandemic, the tournament was conducted without spectators and with strict health protocols.
• Several top players, including Roger Federer and Rafael Nadal, did not participate due to the pandemic.
• This was the first Grand Slam since 2004 where neither Federer nor Nadal reached the final.
• Alexander Zverev:
• Zverev is a German professional tennis player born on 20 April 1997 in Hamburg, Germany.
• He reached his first Grand Slam final at the US Open 2020 but fell short against Dominic Thiem.
• Zverev is known for his strong serve and aggressive baseline play.
• Other Notable Players:
• Stefanos Tsitsipas: A Greek professional tennis player ranked in the top 10 ATP rankings during 2020 but did not reach the final.
• Daniil Medvedev: A Russian player who was a top contender but was eliminated before the final in the US Open 2020.

Important Points

• The US Open is one of the four Grand Slam tournaments, alongside the Australian Open, French Open, and Wimbledon.
• The tournament is held annually in New York City and is played on hard courts.
• The 2020 edition was historically significant due to the absence of spectators and the global pandemic.
• Dominic Thiem's win was a milestone as it ended the dominance of the Big Three (Federer, Nadal, Djokovic) in men's Grand Slam singles titles.

The correct answer is Seventh.

Key Points

• India is the seventh-largest country in the world in terms of total land area, covering approximately 3.287 million square kilometers.
• India is located in South Asia and is bordered by Pakistan, China, Nepal, Bhutan, Bangladesh, and Myanmar. It is also surrounded by the Indian Ocean to the south.
• India ranks seventh after countries such as Russia, Canada, China, the United States, Brazil, and Australia in terms of its geographical area.
• The country's vast landmass is divided into 28 states and 8 Union territories, making it one of the most geographically diverse countries in the world.
• India's geographical features include the Himalayan mountain range in the north, the Thar Desert in the west, the fertile Gangetic plains, and the coastal regions along the Arabian Sea and the Bay of Bengal.

Additional Information

• Top Largest Countries by Area:
• Russia: The largest country in the world, covering a land area of approximately 17.1 million square kilometers.
• Canada: The second-largest country with an area of approximately 9.98 million square kilometers.
• China: The third-largest country, covering around 9.6 million square kilometers.
• United States: The fourth-largest country with a land area of about 9.52 million square kilometers.
• Brazil: The fifth-largest country, spanning around 8.51 million square kilometers.
• Australia: The sixth-largest country with an area of about 7.69 million square kilometers.
• India’s Global Position:
• India accounts for approximately 2.4% of the world's total land area.
• It has a population of over 1.4 billion people, making it the second most populous country in the world after China.
• Geographical Features of India:
• The country has diverse landscapes, including mountains, plains, plateaus, deserts, and coastal regions.
• Prominent geographical landmarks include the Himalayas, Western Ghats, Eastern Ghats, and the Indo-Gangetic Plain.
• Economic and Strategic Importance:
• India’s geographical diversity contributes significantly to its agriculture, tourism, and biodiversity.
• Its location in South Asia makes it a strategic player in the Indian Ocean region and global trade.

The correct answer is Sitar.

Key Points

• Arvind Parikh is a renowned musician associated with the Sitar, a prominent classical Indian string instrument.
• He is a disciple of the legendary sitar maestro Ustad Vilayat Khan, who is considered one of the greatest sitar players in the history of Indian classical music.
• Arvind Parikh has contributed significantly to the preservation and promotion of Indian classical music, especially the Etawah Gharana, which is closely associated with the sitar.
• He is known not only for his exceptional performances but also for his efforts in documenting the nuances of Indian classical music.
• His career spans several decades, during which he has performed across India and internationally, showcasing the sitar's intricate and soulful melodies.

Additional Information

• Sitar:
• The sitar is a plucked string instrument used in Hindustani classical music.
• It is believed to have evolved during the Mughal period in India.
• Sitar has 20 strings, of which 6-7 are played strings and the rest are sympathetic strings that resonate with the played strings.
• It is known for its distinctive sound and ability to produce complex melodic patterns and tonal variations.
• Famous sitar players include Ravi Shankar, Anoushka Shankar, and Ustad Vilayat Khan.
• Other Instruments:
• Sarod: A fretless string instrument known for its deep, resonant sound and used in Hindustani classical music.
• Shehnai: A wind instrument often played during auspicious ceremonies and weddings in India.
• Mridangam: A percussion instrument primarily used in Carnatic music performances in South India.
• Etawah Gharana:
• This is a musical tradition associated with the sitar and the surbahar.
• It was established by Ustad Imdad Khan and popularized by artists like Ustad Vilayat Khan.
• It emphasizes intricate fingering techniques and nuanced melodic expressions.
• Contributions by Arvind Parikh:
• He has worked extensively to promote Indian classical music globally.
• Parikh has documented the teachings and techniques of the Etawah Gharana, ensuring its legacy is preserved for future generations.

The correct answer is Rayon.

Key Points

• Rayon is a semi-synthetic fiber made from regenerated cellulose. It is often referred to as artificial silk due to its shiny appearance and texture that resemble silk.
• It was developed in the late 19th century as a cheaper alternative to natural silk and gained popularity in the textile industry.
• Rayon is derived from natural sources like wood pulp or other cellulose-rich materials, making it partially natural and partially synthetic.
• Due to its versatility, rayon is widely used in garments, home furnishings, and industrial applications. It can be woven or knit into a variety of fabrics, including lightweight and breathable materials.
• Rayon is highly absorbent, making it suitable for summer clothing. However, it is less durable compared to other synthetic fibers and may shrink or lose strength when wet.

Additional Information

• Nylon:
• Nylon is a synthetic fiber made entirely from petrochemicals. It was first developed in 1935 by Wallace Carothers at DuPont.
• This fiber is known for its strength, elasticity, and resistance to abrasion, making it popular for use in clothing, ropes, and other industrial products.
• Nylon does not resemble silk and is not classified as artificial silk.
• Polyester:
• Polyester is another synthetic fiber made from petroleum-based products. It was first introduced in 1941.
• It is widely used in textiles due to its durability, wrinkle resistance, and ability to retain shape.
• While polyester has smooth properties, it is not referred to as artificial silk.
• Teflon:
• Teflon is not a fiber but a synthetic polymer used primarily as a non-stick coating for cookware and other applications.
• It is composed of polytetrafluoroethylene (PTFE) and does not have textile applications similar to rayon, nylon, or polyester.
• Rayon:
• Rayon has diverse applications, including clothing, upholstery, medical supplies, and tire cords.
• It is manufactured using the viscose process, which involves treating cellulose with chemicals to produce fibers.
• Countries like India, China, and the USA are major producers of rayon.
• Rayon bridges the gap between natural fibers like cotton and synthetic fibers like polyester, offering a balance of comfort and affordability.

Important Points

• Artificial Silk:
• Artificial silk refers to fibers that mimic the texture and appearance of natural silk. Rayon is the most common example.
• It was developed to provide a cheaper alternative to silk, which is labor-intensive and expensive to produce.
• Environmental Impact:
• The production of rayon involves the use of chemicals, which can be harmful to the environment if not managed properly.
• Efforts are being made to develop more sustainable methods for rayon production, such as using eco-friendly solvents and recycling materials.

The correct answer is 4.

Key Points

• India occupies approximately 2% of the total geographical area of the world. This percentage is derived by comparing India's land area to the total land area of the Earth.
• The total geographical area of India is around 3.287 million square kilometers, while the total land area of the Earth is estimated to be approximately 149 million square kilometers.
• When calculated, the percentage of India's land area in relation to the total global land area comes to roughly 2.2%, which rounds off to 2%.
• India ranks 7th in terms of total land area globally, following countries like Russia, Canada, China, the United States, Brazil, and Australia.
• The correct answer, Option 4 (2%), highlights India's contribution to the global geographical landscape.

Additional Information

• India's Geographical Features:
• India is geographically located in South Asia and is bordered by Pakistan, China, Nepal, Bhutan, Bangladesh, and Myanmar.
• The country has a coastline of 7,516 kilometers, including islands such as the Andaman and Nicobar Islands and Lakshadweep.
• India's geographical area includes plains, deserts, plateaus, and mountain ranges, notably the Himalayas.
• Global Comparison:
• The world's largest country by land area is Russia, covering approximately 17 million square kilometers or over 11% of the global land area.
• India's geographical size is smaller compared to countries like Canada, China, and the United States, which each occupy over 6% of the global land area.
• Population Density:
• India is the second most populous country globally, with over 1.4 billion people, contributing to a high population density compared to many other countries.
• Despite its relatively small share of global land area (2%), India supports over 17% of the world's population.
• Natural Resources:
• India is rich in natural resources, including coal, iron ore, bauxite, and other minerals, contributing significantly to its economy.
• The country also has diverse ecosystems, from tropical rainforests to arid deserts, supporting a wide range of biodiversity.

Important Points

• India's Ranking in Land Area:
• India is ranked 7th globally in land area, following Russia, Canada, China, the United States, Brazil, and Australia.
• Despite its relatively small geographical size, India plays a critical role in global economic, political, and cultural affairs.
• Geographical Diversity:
• India's geographical diversity includes prominent features like the Thar Desert, Deccan Plateau, Western Ghats, Eastern Ghats, and the Himalayas.
• This diversity contributes to its rich cultural heritage and varied climatic conditions.

The correct answer is Governor.

Key Points

• The Governor of a state in India has the authority to determine the number of members of the State Public Service Commission and their conditions of service through rules.
• This authority is derived from the provisions of the Constitution of India, which grants the Governor powers over administrative matters related to the state.
• The State Public Service Commission is a constitutional body established under Article 315 of the Constitution of India.
• The Governor is required to act on the advice of the Council of Ministers, headed by the Chief Minister, while framing rules regarding the commission's structure and service conditions.
• Appointments to the State Public Service Commission are also made by the Governor, but they must adhere to the constitutional provisions and guidelines.

Additional Information

• State Public Service Commission:
• The State Public Service Commission is established under Article 315 of the Constitution of India.
• Its primary function is to conduct examinations for recruitment to state-level services and advise the state government on matters related to appointments, promotions, and disciplinary actions.
• The Commission ensures transparency and merit-based selection for various state public services.
• The members of the commission are appointed by the Governor, and their service conditions are determined as per constitutional guidelines.
• Governor's Role in State Administration:
• The Governor is the constitutional head of the state and acts as the representative of the President of India.
• Under Article 163, the Governor performs functions with the aid and advice of the Council of Ministers headed by the Chief Minister.
• The Governor has powers related to appointments, administration, and legislation in the state.
• In matters related to State Public Service Commission, the Governor exercises powers defined under the Constitution of India.
• Constitutional Provisions Related to State Public Service Commission:
• Article 315: Provides for the establishment of a State Public Service Commission for each state.
• Article 316: Deals with the appointment and term of office of the members of the commission.
• Article 317: Provides for the removal and suspension of members of the commission.
• Article 318: Empowers the Governor to determine the commission's composition and service conditions of its members.
• Important Functions of State Public Service Commission:
• Conducting examinations for appointments to state-level public services and posts.
• Advising the state government on recruitment rules, promotions, transfers, and disciplinary matters.
• Ensuring fair and transparent recruitment processes for state public services.

Important Points

• Governor's Appointment Authority:
• The Governor appoints members of the State Public Service Commission and determines their service conditions based on constitutional provisions.
• While the Governor is the appointing authority, the decision-making process is influenced by the advice of the Chief Minister and the Council of Ministers.
• Constitutional Safeguards for Public Service Commissions:
• The members of the State Public Service Commission have security of tenure, and their removal is subject to strict constitutional procedures.
• The conditions of service are fixed to ensure independence and integrity in their functioning.

The correct answer is Calorimeter.

Key Points

• A calorimeter is an instrument used to measure the amount of heat absorbed or evolved during a physical or chemical process.
• The device works on the principle of heat transfer, where the heat exchanged between the system and its surroundings is quantified.
• It is commonly used in thermodynamics, chemistry, and physics for experiments involving heat measurement, such as combustion reactions and phase changes.
• Types of calorimeters include bomb calorimeters (used for measuring heat of combustion) and coffee cup calorimeters (used for simpler heat transfer experiments).
• Calorimeters are crucial for determining specific heat, enthalpy changes, and other thermodynamic properties of substances.

Additional Information

• Colorimeter:
• A colorimeter measures the concentration of a solution by determining its color intensity.
• It is widely used in biochemistry, water testing, and industrial applications to analyze the concentration of substances.
• Colorimeters operate on the principle of Beer-Lambert's law, which relates the absorption of light to the concentration of the solution.
• Ceilometer:
• A ceilometer is a device used in meteorology to measure the height of cloud bases or the altitude of a cloud layer.
• It uses laser or light beams to determine cloud heights and is commonly employed at airports for weather observations.
• Modern ceilometers are capable of detecting multiple cloud layers simultaneously.
• Clinometer:
• A clinometer is an instrument used to measure angles of elevation or depression relative to gravity.
• It is utilized in surveying, navigation, and construction for determining slopes and angles.
• Clinometers are essential tools in geophysics and geology to study the tilt of geological formations.
• Function of Calorimeters:
• Calorimeters are used to measure specific heat capacity, latent heat, and enthalpy changes.
• They play a pivotal role in determining the calorific value of fuels and energy transfer in chemical reactions.
• For example, bomb calorimeters are used in food science to measure the energy content in food items.

Important Points

• Working Principle:
• Calorimeters operate on the principle of conservation of energy, where no heat is lost to the surroundings during measurement.
• They are insulated to ensure accurate readings by preventing external heat exchange.
• Applications:
• Used in chemical research to study reaction enthalpies and combustion processes.
• In food science, calorimeters help determine the energy content of food products.

The correct answer is Mizoram.

Key Points

• Chapchar Kut is one of the most important and popular festivals of Mizoram.
• This festival is celebrated with great enthusiasm and joy by the Mizo people to mark the arrival of spring.
• The festival is observed after the completion of the jhum cutting (shifting cultivation), a traditional agricultural activity of the Mizos.
• The celebrations involve cultural dances such as the Cheraw dance, commonly referred to as the "bamboo dance," and various traditional songs and music performances.
• It is a community festival, promoting togetherness, harmony, and a rich display of Mizo cultural heritage.

Additional Information

• About Mizoram:
• Mizoram is located in the northeastern part of India and is known as the "Land of the Hill People."
• The state is home to lush green forests, hilly terrains, and a rich cultural heritage of the Mizo tribes.
• Mizoram became the 23rd state of India on 20 February 1987.
• The state has a vibrant tribal culture, with traditional dances, music, and festivals being an integral part of its identity.
• Traditional Dance of Mizoram:
• The Cheraw dance, also known as the "bamboo dance," is the most famous dance form associated with the state of Mizoram.
• It involves performers skillfully dancing between bamboo poles while showcasing intricate steps and coordination.
• Other Festivals of Mizoram:
• Mim Kut: Celebrated after the maize harvest, dedicated to deceased ancestors.
• Thalfavang Kut: Marks the completion of weeding in the fields, showcasing gratitude and joy.
• Jhum Cultivation:
• Jhum cultivation, or shifting cultivation, is a traditional farming practice in Mizoram, where land is cleared by cutting and burning vegetation.
• It plays a significant role in the socio-economic and cultural life of the Mizo people.
• Importance of Chapchar Kut:
• The festival fosters a sense of unity and belonging among the Mizo community.
• It provides an opportunity to celebrate the agricultural cycle and cultural identity of the region.

The correct answer is Odisha.

Key Points

• Gotipua is a traditional folk dance form that originates from the state of Odisha, India.
• The word "Gotipua" translates to "single boy," as this dance form is performed by young boys who dress as girls and perform intricate dance moves.
• This dance form is considered to be the precursor of Odissi, one of the eight classical dance forms of India.
• Gotipua dance is performed in reverence to Lord Jagannath, a deity worshipped in Odisha.
• The dance is characterized by acrobatic movements, intricate footwork, and graceful postures, often accompanied by Odissi music.

Additional Information

• History and Origin of Gotipua Dance:
• Gotipua is believed to have originated in the 16th century. It was performed as a form of devotional dance in temples.
• Historically, this dance was performed by young boys dressed as girls because women were not allowed to perform in temples due to social norms.
• The boys performing the Gotipua dance are known as "Gotipuas," and they start training at a very young age, usually around 6 to 8 years old.
• Costumes and Makeup:
• The boys wear colorful sarees and adorn themselves with traditional jewelry to resemble women.
• They apply elaborate makeup, including kajal (kohl) for their eyes and red dye for their lips, to enhance their feminine appearance.
• The costumes are vibrant and often feature traditional Odia patterns and motifs.
• Music and Instruments:
• The Gotipua dance is accompanied by traditional Odissi music, which includes the use of instruments such as the mardala (a type of drum), harmonium, manjira (cymbals), and the flute.
• The lyrics of the songs are usually in Odia, the regional language of Odisha, and are often dedicated to Lord Jagannath and other deities.
• Relevance and Modern Adaptations:
• Although Gotipua originated as a temple dance, it is now performed on various cultural and social occasions, both in India and internationally.
• Efforts have been made to preserve this traditional art form through cultural organizations and festivals.
• Gotipua continues to inspire modern dance forms and is seen as an integral part of Odisha's rich cultural heritage.
• Other Folk Dances from Odisha:
• Besides Gotipua, Odisha is also known for other traditional dances like Sambalpuri, Chhau, and Ghumura, each with its unique characteristics.

The correct answer is ₹1,300 crore.

Key Points

• The budget estimate for taxes collected on property and capital transactions in the financial year 2020-2021 was set at ₹1,300 crore.
• This category of taxes includes levies on transactions related to property sales and capital gains derived from investments or other financial instruments.
• These taxes are an important source of revenue for the government, especially in urban areas where property transactions are more frequent and substantial.
• The estimate of ₹1,300 crore reflects the government’s projection based on previous trends and expected economic activities in the real estate and financial markets.
• Taxes on property and capital transactions are subject to fluctuations depending on factors such as economic growth, market demand, and government policies.

Additional Information

• Property and Capital Transactions:
• Taxes on property transactions include stamp duty, registration fees, and capital gains tax.
• Capital gains tax applies to the profit earned from the sale of assets like property, stocks, or bonds.
• The rates for capital gains tax differ for short-term and long-term gains, with long-term gains typically attracting a lower rate.
• Revenue Importance:
• Revenue from property and capital transactions contributes significantly to the overall tax revenue of the government.
• These revenues are often used for urban development projects, infrastructure, and public welfare schemes.
• Factors Influencing Tax Revenue from Property and Capital Transactions:
• Economic Growth: A growing economy generally sees increased property transactions and investment in assets, leading to higher tax collections.
• Market Trends: Real estate market trends and stock market performance directly impact the volume of transactions.
• Government Policies: Changes in tax rates, exemptions, or incentives can also affect revenue collection in this category.
• Examples of Taxation in Property Transactions:
• A buyer pays stamp duty and registration fees during the purchase of a property.
• Sellers are liable to pay capital gains tax on the profit earned from the sale of property.

The correct answer is Narmada.

Key Points

• The Krishna River is one of the longest rivers in India. It originates near Mahabaleshwar in Maharashtra and flows eastward, draining into the Bay of Bengal. Hence, the Krishna is an east-flowing river.
• The Narmada River is among the largest west-flowing rivers in India. It originates from the Amarkantak Plateau in Madhya Pradesh and flows westwards to drain into the Arabian Sea. Hence, Narmada is not an east-flowing river, making it the correct answer.
• The Cauvery River originates in the Brahmagiri Hills of the Western Ghats in Karnataka and flows eastward into the Bay of Bengal. Hence, the Cauvery is an east-flowing river.
• The Godavari River originates in Trimbakeshwar, Maharashtra, and flows eastward into the Bay of Bengal, making it the second-longest river in India. Hence, the Godavari is an east-flowing river.
• The Narmada River is the only west-flowing river among the options provided, while the others—Krishna, Cauvery, and Godavari—are all east-flowing rivers.

Additional Information

• Narmada River:
• The Narmada originates from the Amarkantak Plateau in Madhya Pradesh and is also known as the "Lifeline of Madhya Pradesh."
• It flows westward over a distance of approximately 1,312 kilometers before emptying into the Arabian Sea.
• It is one of the few Indian rivers that flows westward, along with the Tapi, Mahi, and Sabarmati rivers.
• Major dams on the Narmada include the Sardar Sarovar Dam and the Indira Sagar Dam.
• The river flows through the Rift Valley between the Vindhya and Satpura ranges and forms the famous Marble Rocks at Bhedaghat.
• Krishna River:
• The Krishna River originates from Mahabaleshwar in Maharashtra and flows through Karnataka, Telangana, and Andhra Pradesh before emptying into the Bay of Bengal.
• It has a total length of approximately 1,400 kilometers, making it the fourth-longest river in India.
• It is a lifeline for irrigation in the southern states, with major dams like the Srisailam Dam and Nagarjuna Sagar Dam.
• Cauvery River:
• The Cauvery originates from the Brahmagiri Hills in the Western Ghats, Karnataka, and flows through Tamil Nadu before draining into the Bay of Bengal.
• It is known as the "Ganga of the South" and is revered as a sacred river in southern India.
• Major dams include the Mettur Dam and the KRS Dam.
• Godavari River:
• Originating from Trimbakeshwar in Maharashtra, the Godavari is the second-longest river in India, with a length of approximately 1,465 kilometers.
• It flows through Maharashtra, Telangana, Andhra Pradesh, Chhattisgarh, and Odisha before meeting the Bay of Bengal.
• It is often referred to as the "Ganga of the South" because of its cultural and religious significance.
• Major projects include the Polavaram Project and the Sriram Sagar Dam.

The correct answer is Sher Shah Suri.

Key Points

• Sher Shah Suri, the founder of the Suri dynasty, ruled in the 16th century (1540–1545) and introduced several administrative reforms, including the issuance of the silver coin called Rupiya.
• The Rupiya was a standardized silver coin weighing around 178 grains (11.53 grams). This became the precursor to the modern Indian rupee.
• Sher Shah Suri's monetary reforms aimed at ensuring a uniform currency across his empire, facilitating trade and governance.
• He established a well-organized system of coinage, which included the use of gold, silver, and copper coins. The Rupiya became the standard silver currency in India.
• His financial policies and reforms laid the foundation of a robust economic structure, influencing subsequent Mughal emperors and eventually modern Indian currency.

Additional Information

• Sher Shah Suri's Contributions:
• Sher Shah Suri was a remarkable ruler known for his administrative genius and reforms. He introduced the postal system, revamped the taxation system, and improved governance.
• He constructed the Grand Trunk Road, which still serves as a major highway connecting northern and eastern India.
• He restructured the land revenue system, ensuring fairness and efficiency. Land was measured and categorized, and taxes were fixed accordingly.
• Other rulers mentioned in the options:
• Alauddin Khilji: Known for his military campaigns and market reforms during the 13th century. He did not introduce the Rupiya.
• Mahmud Shah I: A ruler of the Bahmani Sultanate (15th century), recognized for his contributions to architecture, but not known for introducing Rupiya.
• Ibrahim Lodi: The last ruler of the Lodi dynasty (early 16th century). He was defeated by Babur in the First Battle of Panipat but did not issue the Rupiya.
• The Evolution of the Rupiya:
• The Rupiya introduced by Sher Shah Suri served as the basis for the Mughal currency system, which continued under subsequent rulers.
• Modern Indian currency, the rupee, derives its name and legacy from Sher Shah Suri's reforms.
• The standardization of coins played a crucial role in trade and the economic integration of the Indian subcontinent.
• Impact of Sher Shah Suri's Monetary Reforms:
• Uniform currency facilitated trade and commerce across his empire, reducing the complexity of multiple currencies.
• It strengthened the economy by ensuring reliability and standardization in transactions.

The correct answer is Magnus Carlsen.

Key Points

• Magnus Carlsen, the reigning World Chess Champion, won the Chessable Masters Title on 4 July 2020, defeating Anish Giri in the final.
• The Chessable Masters is a part of the Magnus Carlsen Chess Tour, an online chess tournament series initiated during the COVID-19 pandemic.
• The final match concluded with a 4-3 victory for Magnus Carlsen, showcasing his exceptional strategic skills and endgame mastery.
• This tournament was played in an online format, adhering to safety protocols during the pandemic.
• Magnus Carlsen has been widely regarded as one of the greatest chess players in history, holding the World Chess Champion title since 2013.

Additional Information

• Magnus Carlsen:
• Born on 30 November 1990, in Tønsberg, Norway, Magnus Carlsen is considered a chess prodigy and has held the World Chess Champion title for a decade.
• He became a chess Grandmaster at the age of 13, one of the youngest in history.
• Carlsen's playing style is known for its deep positional understanding, versatility, and ability to excel in endgames.
• Chessable Masters Tournament:
• The Chessable Masters is part of the Magnus Carlsen Chess Tour, a series of online tournaments held during the COVID-19 lockdown.
• It features elite chess players competing remotely, leveraging technology to keep chess active and engaging during global restrictions.
• The tournament format includes rapid chess games, emphasizing time management and quick decision-making.
• Anish Giri:
• Born on 28 June 1994, in St. Petersburg, Russia, Anish Giri represents the Netherlands in international chess.
• He is a chess Grandmaster and has consistently ranked among the top players globally.
• Giri is known for his solid and strategic playing style, often drawing games against high-ranking opponents.
• Impact of COVID-19 on Chess:
• The pandemic accelerated the shift to online chess tournaments, providing a platform for players to compete globally despite travel restrictions.
• Events like the Magnus Carlsen Chess Tour highlighted how technology can sustain sports and entertainment during challenging times.

Important Points

• Magnus Carlsen Chess Tour:
• This tour includes several online tournaments, such as the Chessable Masters, Legends of Chess, and the Grand Final.
• The tour introduced innovative features like live commentary and interactive platforms for spectators.
• Online Chess Platforms:
• Platforms like Chess.com and Lichess gained prominence during the pandemic, hosting tournaments and providing free resources for players.
• These platforms feature tools for game analysis, tutorials, and practice games for players of all levels.

The correct answer is Article 300A.

Key Points

• Article 300A of the Indian Constitution deals with the Right to Property. This article states that no person shall be deprived of their property except by the authority of law.
• The Right to Property was initially a fundamental right under Article 19(1)(f) and Article 31, but it was removed from the fundamental rights category by the 44th Amendment Act of 1978.
• After the amendment, the Right to Property became a legal right, meaning it is no longer enforceable as a fundamental right but can be protected through legal remedies.
• This change was introduced to balance individual rights and the state's need to acquire land for public purposes, ensuring a fair legal process.
• Article 300A applies to the entire Indian territory and ensures that property can only be taken away through a legal process and adequate compensation.

Additional Information

• History of Right to Property in India:
• Initially, the Right to Property was a fundamental right under Articles 19(1)(f) and 31. It guaranteed citizens the freedom to acquire, hold, and dispose of property.
• The 44th Constitutional Amendment Act, 1978, shifted the Right to Property from fundamental rights to a constitutional legal right under Article 300A.
• This change was made to enable the government to acquire private property for public purposes without being challenged on fundamental rights grounds.
• Key Features of Article 300A:
• It is a constitutional legal right enforceable through courts, but it does not hold the status of a fundamental right.
• Property can only be acquired by the state using a legal process, and fair compensation must be provided.
• Citizens can challenge unlawful confiscation of property under Article 300A in a court of law.
• Comparison with Fundamental Rights:
• Fundamental Rights such as those under Articles 14-32 are protected against arbitrary state actions and can be enforced directly through the courts.
• Legal rights like Article 300A require legal procedures to be followed and do not offer direct protection against state actions unless challenged legally.
• Examples of State Actions Related to Property:
• Land acquisition for public infrastructure like highways, railways, and urban development projects is undertaken under laws like the Land Acquisition Act, 2013.
• The government ensures that property acquisition is done fairly and compensates owners adequately, aligning with Article 300A.

Important Points

• The transition of the Right to Property from a fundamental right to a legal right reflects the government's intent to balance individual ownership rights with societal needs.
• The 44th Amendment Act is a landmark amendment that significantly impacted land acquisition, urban planning, and infrastructure development processes in India.
• Citizens must understand their rights under Article 300A to ensure they receive adequate compensation if their property is acquired legally by the state.

The image that completes the pattern is:

Hence, the correct answer is "Option 1".

The image that completes the pattern is:

Hence, the correct answer is "Option 4".

Given:

Initial speed = 60 km/h

Speed increases by = 20 km/h every 2 hours

Total distance = 320 km

Formula used:

Distance = Speed × Time

Calculations:

First 2 hours speed = 60 km/h

⇒ Distance = 60 × 2 = 120 km

Next 2 hours speed = 80 km/h

⇒ Distance = 80 × 2 = 160 km

Total distance covered in 4 hours = 120 + 160 = 280 km

Remaining distance = 320 - 280 = 40 km

Next speed = 100 km/h

⇒ Time = 40 ÷ 100 = 0.4 hours = 24 minutes

⇒ Total time = 4 + 0.4 = 4.4 hours = 4 hours 24 minutes

∴ The ambulance will take  4 hours 24 minutes to cover 320 km.

The logic followed here is:

Logic: The arrow is rotating and next it will be in east direction.

So, figure 2 is similar. 

Hence, the correct answer is "Option 2".

The logic followed here is:

Logic: The arrow is rotating and next it will be in east direction.

So, figure 3 will it look like when unfolded.

Hence, the correct answer is "Option 3".

The logic followed here is:

Logic:

Each consonant is replaced by the next letter in the alphabet.

Each vowel is replaced by the previous vowel in the standard A, E, I, O, U sequence, wrapping around from A to U.

For, ORANGE is written as ISUOHA.

Similarly, MANGO will be written in that language:

So, The code for MANGO will be NUOHI  

Hence, the correct answer is "Option 1".

The logic followed here is:

Logic: The arrow is rotating and next it will be in east direction.

So, figure 2 is similar. 

Hence, the correct answer is "Option 2".

The logic followed here is:

Logic: The pattern is related to the image.

So, figure 3 is similar. 

Hence, the correct answer is "Option 3".

The logic followed here is:

Logic: The given figure as a cube, will have opposite faces.

  ⇒    &

So, & will be opposite to # symbol.

Hence, the correct answer is "Option 3".

The logic followed here is:

Logic: All the images have a pattern of mirror image of alphabets.

But,

So, figure 4 is  dissimilar as it have a image of number 9.

Hence, the correct answer is "Option 4".

The logic followed here is:

thus, "421" will replace the question mark in the given series.

Hence, the correct option is "Option 4".

The logic followed here is:

Logic: All the images have a pattern of alphabets images given inside the shapes.

But,

So, figure 1 is dissimilar as it have a image of alphabet outside the shape. 

Hence, the correct answer is "Option 1".

The logic followed here is:

Logic: The rotating is rotating clockwise direction.

So, figure 2 is similar. 

Hence, the correct answer is "Option 2".

BODMAS Table: 

Given equation: 625 × 5 + 93 - 22 ÷ 8 = 42

Now, × should be interchanged to ÷ , to satisfy the given equation, then:

625 ÷  5 + 93 - 22 × 8 = 42

⇒ 625 ÷ 5 + 93 - 22 × 8 = 42

⇒ 125 +93 -22 × 8 = 42

⇒ 125 +93 - 176 = 42

⇒ 218 - 176 = 42

⇒ 42 = 42

Hence, the correct answer is "Option 4".

The logic followed here is:

Logic:

Consonants ⇒ Sum of Position Digits

Vowels ⇒ Vowel Sequence Number

For, FABULOUS is coded as 21125515458:

 

AMUSING is coded as 1145831320:

 

So, The code for TIRESOME will be 739284142.

Hence, the correct answer is "Option 4".

The logic followed here is:

Logic: The figure should complete the pattern in the question figure given.

So, figure 3 will complete the pattern 

Hence, the correct answer is "Option 3".

The logic followed here is:

Logic: (1st number)² -  11  = 2nd number.

3rd number = 2nd number x 3 + 7

Given,

(8, 53, 166)

⇒ (8)² - 11 = 53

⇒  53 x 3 + 7 = 166

Now, checking the options:

Option 1) (9, 60, 173)

⇒ (9)² - 54

⇒ 81 - 54 = 27 ≠ 25.

Option 2) (7, 52, 163)

⇒ (7)² - 12

⇒ 49 - 12  = 37 ≠ 35.

Option 3) (5, 38, 121)

⇒  (8)² - 47

⇒  64 - 47 = 17 ≠ 19.

Option 4)(6, 39, 124)

⇒ (12)² - 63

⇒ 144 - 63 = 81.

 Hence, the correct option is "Option 4".

The logic followed here is:

Logic: The multipliers run in pairs 2,2,3,3,4,4,... and the added values alternate +1, +3, +1, +3, ...

7 = 3×2 + 1

17 = 7×2 + 3

52 = 17×3 + 1

159 = 52×3 + 3

thus, "888" will replace the question mark in the given series.

Hence, the correct option is "Option 2".

The logic followed here is:

Logic: The rotating is rotating clockwise direction.

So, figure 1 will come next in the given pattern.

Hence, the correct answer is "Option 1".

The logic followed here is:

Logic: The mirror image is a rotation of the given image.

VARIABILITY   ⇔ 

So, figure 4 will the mirror image of the given figure.

Hence, the correct answer is "Option 4".

The logic followed here is:

Logic: The given figure as a cube, will have opposite faces.

  ⇒   6

So, 6 will be on ‘opposite side of 2.

Hence, the correct answer is "Option 2".

Given Words:

1)Turnip

2. Potato

3. Spinach

4. Beetroot

Here TABLE, CHAIR and BENCH all are related to furniture but GLASS is a Utensil item.

So, Spinach is the odd one out.

Hence, the correct answer is 'Option 3.'

The logic followed here is:

Every cherry is a fruit.

Every fruit is a type of food.

Hence, the correct answer is "Option 2".

The logic followed here is:

1. Some boys (B) are innocent (I).

→ This means B and I partially overlap.

2. Some innocent (I) boys (B) are punctual (P).

→ This means there is some overlap among all three: boys (B), innocent (I), and punctual (P).

That is, a part of the common region of B and I also overlaps with P.

Hence, the correct answer is "Option 1".

The logic followed here is:

Logic: f(n)=(n+1)2+n=n2+3n+1

Given,

10 : 131 :: 12 : ?

⇒ 131 = 112+10=(10+1)2+10112+10=(10+1)2+10 11^2 + 10 = (10+1)^2 + 10

112+10=(10+1)2+10.

Now, 

f(12)=122+3⋅12+1=144+36+1=181.

 Hence, the correct option is "Option 2".

Given:

Amount after 4 years = ₹5,796

Amount after 7 years = ₹6,993

Time difference = 7 − 4 = 3 years

Formula used:

Simple Interest (SI) = (Principal × Rate × Time) ÷ 100

Difference in Amount = SI for 3 years

Calculations:

⇒ Difference in Amount = 6,993 − 5,796 = 1,197

⇒ SI for 3 years = 1,197

⇒ SI for 1 year = 1,197 ÷ 3 = 399

Now, amount after 4 years = Principal + SI for 4 years

⇒ 5,796 = P + (399 × 4)

⇒ 5,796 = P + 1,596

⇒ P = 5,796 − 1,596 = 4,200

⇒ Rate = (SI × 100) ÷ (P × T)

⇒ Rate = (399 × 100) ÷ (4,200 × 1) = 9.5% per annum

Now, for a new sum ₹7,200 and time = 2½ years = 2.5 years:

SI = (7,200 × 9.5 × 2.5) ÷ 100

⇒ SI = (7,200 × 23.75) ÷ 100

⇒ SI = 171,000 ÷ 100 = 1,710

∴ Simple Interest = ₹1,710.

Given:

Marked price = Cost price + ₹210

Discount on marked price = 20%

Loss = 10%

Calculation:

⇒ Let cost price = C

⇒ Marked price = C + 210

⇒ Selling price after discount = 0.8 × (C + 210)

⇒ Loss 10% ⇒ Selling price = 0.9 × C

⇒ 0.8 × (C + 210) = 0.9 × C

⇒ 0.8C + 168 = 0.9C

⇒ 168 = 0.1C ⇒ C = 168 ÷ 0.1 = 1,680

⇒ Selling price = 0.9 × 1,680 = ₹1,512

∴ The selling price of the item is ₹1,512.

Given:

Ratio of two numbers = 5 : 8

First number after subtraction = First number - 15

Second number after addition = Second number + 18

New ratio = 1 : 3

Formula Used:

Let the first number = 5x

Let the second number = 8x

New ratio: (5x - 15) / (8x + 18) = 1 / 3

Calculation:

⇒ (5x - 15) ÷ (8x + 18) = 1 ÷ 3

⇒ 3 × (5x - 15) = 1 × (8x + 18)

⇒ 15x - 45 = 8x + 18

⇒ 15x - 8x = 18 + 45

⇒ 7x = 63

⇒ x = 63 ÷ 7

⇒ x = 9

First number = 5x = 5 × 9 = 45

Second number = 8x = 8 × 9 = 72

Difference = 72 - 45

⇒ Difference = 27

∴ The correct answer is 27.

Given:

A's income is 20% more than B's income.

C's income is 55% less than the total income of A and B.

Formula Used:

A's income = B's income × (1 + 20/100)

C's income = (A's income + B's income) × (1 - 55/100)

% by which C's income is less than A's income = [(A's income - C's income) ÷ A's income] × 100

Calculation:

Let B's income = 100.

⇒ A's income = 100 × (1 + 20/100) = 100 × 1.2 = 120.

⇒ Total income of A and B = 120 + 100 = 220.

⇒ C's income = 220 × (1 - 55/100) = 220 × 0.45 = 99.

⇒ Difference between A's income and C's income = 120 - 99 = 21.

⇒ % difference = (21 ÷ 120) × 100 = 17.5%.

∴ The correct answer is 17.5.

Given:

A can complete the work in 18 days

B can complete the work in 30 days

A and B work together for 9 days

C completes the remaining work in 4 days

Required: Time taken by B and C together to complete the work

Formula Used:

Work = Rate × Time

Total Work = LCM of all given time values

Calculation:

⇒ LCM of 18, 30, and 20 = 180 units (Take 180 as total work)

⇒ A’s 1-day work = 180 ÷ 18 = 10 units

⇒ B’s 1-day work = 180 ÷ 30 = 6 units

⇒ A and B’s 1-day work = 10 + 6 = 16 units

⇒ Work done by A and B in 9 days = 16 × 9 = 144 units

⇒ Remaining work = 180 − 144 = 36 units

⇒ C completes 36 units in 4 days

⇒ C’s 1-day work = 36 ÷ 4 = 9 units

⇒ B’s 1-day work = 6 units

⇒ (B + C)’s 1-day work = 6 + 9 = 15 units

⇒ Time taken by B and C to complete 180 units = 180 ÷ 15 = 12 days

∴ The correct answer is 12 days.

Given:

Curved surface area = 1144 cm²

Height = 14 cm

π = 22/7

Formula Used:

Curved surface area = 2 × π × r × h

Volume = π × r² × h

Calculation:

⇒ 1144 = 2 × (22/7) × r × 14

⇒ r = 1144 ÷ [2 × (22/7) × 14]

⇒ r = 1144 ÷ (88)

⇒ r = 13 cm

Volume = (22/7) × r² × h

⇒ Volume = (22/7) × (13 × 13) × 14

⇒ Volume = (22/7) × 169 × 14

⇒ Volume = (22 × 169 × 14) ÷ 7

⇒ Volume = 52292 ÷ 7

⇒ Volume = 7436 cm³

∴ The correct answer is 7436.

Given:

Speed of train X = 58 km/h

Speed of train Y = 50 km/h

They cross each other completely in 16 seconds

Length of train Y = 2 × length of train X

Train Y crosses a bridge in 54 seconds

Required: Length of the bridge (in metres)

Formula Used:

Relative speed (km/h) = Speed1 + Speed2

Speed (m/s) = (Speed in km/h × 5) ÷ 18

Distance = Speed × Time

Calculation:

⇒ Relative speed = 58 + 50 = 108 km/h

⇒ Relative speed in m/s = (108 × 5) ÷ 18 = 30 m/s

⇒ Total distance while crossing = Length of X + Length of Y

⇒ Let length of X = L ⇒ length of Y = 2L ⇒ total = 3L

⇒ 3L = Relative speed × Time = 30 × 16 = 480

⇒ L = 480 ÷ 3 = 160 m

⇒ Length of Y = 2 × 160 = 320 m

⇒ Speed of Y in m/s = (50 × 5) ÷ 18 = 250 ÷ 18 = 125 ÷ 9 m/s

⇒ Distance covered by Y in 54 s = (125 ÷ 9) × 54 = 125 × 6 = 750 m

⇒ Distance = Length of Y + Length of Bridge ⇒ 750 = 320 + Length of Bridge

⇒ Length of Bridge = 750 − 320 = 430 m

∴ The correct answer is 430 m.

Given:

Price decrease: 20%

Additional oil bought: 15 liters

Total cost: ₹4,500

Formula Used:

Initial price per liter = Total cost ÷ Quantity

Final price per liter = Initial price × (1 - Percentage decrease)

Quantity change = Total cost ÷ Final price - Total cost ÷ Initial price

Calculation:

⇒ Let initial price per liter = ₹x

⇒ Final price per liter = x × (1 - 20/100) = x × 0.8

⇒ Total cost ÷ Final price - Total cost ÷ Initial price = 15

⇒ 4500 ÷ (0.8x) - 4500 ÷ x = 15

⇒ 5625/x - 4500/x = 15

⇒ (5625 - 4500)/x = 15

⇒ 1125/x = 15

⇒ x = 1125 ÷ 15

⇒ x = 75

∴ The correct answer is ₹75.

Given:

Total bananas = 40 dozen

Cost price per dozen = ₹60

Total cost price = 40 × 60 = ₹2400

3/4 of total bananas sold at 25% profit

2 dozen bananas rot

Remaining bananas sold at 5% loss

Formula Used:

Profit% = (Profit ÷ Cost Price) × 100

Selling Price = Cost Price ± (Percent × Cost Price)

Calculation:

⇒ Bananas sold at 25% profit = (3/4) × 40 = 30 dozen

⇒ Bananas rotted = 2 dozen

⇒ Remaining bananas = 40 − 30 − 2 = 8 dozen

⇒ SP per dozen at 25% profit = 60 + 25% of 60 = 60 + 15 = ₹75

⇒ SP per dozen at 5% loss = 60 − 5% of 60 = 60 − 3 = ₹57

⇒ Total SP = (30 × 75) + (8 × 57) = 2250 + 456 = ₹2706

⇒ Total CP = ₹2400

⇒ Profit = 2706 − 2400 = ₹306

⇒ Profit% = (306 ÷ 2400) × 100 = 12.75%

∴ The correct answer is 12.75%.

Given:

Average of 15 numbers = 23.4

Average of the first 9 numbers = 25

Average of the last 7 numbers = 22.5

Ninth number is removed

Formula Used:

Total of n numbers = Average × n

New average = New total ÷ New count

Calculation:

⇒ Total of 15 numbers = 23.4 × 15 = 351

⇒ Total of first 9 numbers = 25 × 9 = 225

⇒ Total of last 7 numbers = 22.5 × 7 = 157.5

⇒ Ninth number = Total of first 9 numbers + Total of last 7 numbers − Total of 15 numbers

⇒ Ninth number = 225 + 157.5 − 351 = 31.5

⇒ New total = Total of 15 numbers − Ninth number = 351 − 31.5 = 319.5

⇒ New count = 15 − 1 = 14

⇒ New average = New total ÷ New count = 319.5 ÷ 14 = 22.8

∴ The correct answer is 22.8.

Given:

$\rm0.72\overline6\ of\ 0.9\div 1.09-\frac{3}{4}\div\ \frac{4}{15}\ of\ 2\frac{1}{2}$

Calculation:

$\rm0.72\overline6\ of\ 0.9\div 1.09-\frac{3}{4}\div\ \frac{4}{15}\ of\ 2\frac{1}{2}$

⇒ $\rm\frac{726 - 72}{900}\ \times 0.9\div 1.09-\frac{3}{4}\div\ \frac{4}{15}\ \times \frac{5}{2}$

⇒ $\rm\frac{654}{900}\ \times \frac{9}{10}\div 1.09-\frac{3}{4}\div\ \frac{2}{3}\$

⇒ $\rm\frac{109}{150}\ \times \frac{9}{10}\times\frac{100}{109}-\frac{3}{4}\times\ \frac{3}{2}\$

⇒ $\rm\frac{90}{150}\ -\frac{9}{8}$

⇒ $\rm\frac{3}{5}\ -\frac{9}{8}$

⇒ $\rm\frac{24-45}{40}$

⇒ $-\frac{21}{40}$

∴ The correct answer is −21/40.

Given:

Divisors: 397, 435, 541

Remainders: 6, 10, 14

Formula Used:

x = HCF of (divisor − remainder) + remainder

HCF = Highest Common Factor

Calculation:

⇒ Adjusted numbers = 397 − 6 = 391, 435 − 10 = 425, 541 − 14 = 527

⇒ HCF(391, 425, 527) = 17

⇒ Therefore, x = 17

⇒ 3x + 4 = 3 × 17 + 4

⇒ 51 + 4 = 55

∴ The correct answer is 55.

Given:

Number of consecutive whole numbers = 13

Sum of these numbers = 1339

Formula Used:

Sum of n consecutive numbers = n × (first term + last term) ÷ 2

Middle term (average) = Total sum ÷ n

Calculation:

⇒ Average = 1339 ÷ 13 = 103

⇒ Since 13 numbers are consecutive, 103 is the middle term.

⇒ There are 6 numbers before and 6 numbers after 103.

⇒ Numbers are: 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109

⇒ Prime numbers among them: 97, 101, 103, 107, 109

⇒ Sum of primes = 97 + 101 + 103 + 107 + 109

⇒ 97 + 101 = 198

⇒ 198 + 103 = 301

⇒ 301 + 107 = 408

⇒ 408 + 109 = 517

∴ The correct answer is 517.

Given:

Perimeter (circumference) of the circular garden = 253 m

Rate of leveling = ₹8 per m²

π = 22 ÷ 7

Formula Used:

Circumference = 2 × π × r

Area = π × r²

Cost = Area × Rate

Calculation:

⇒ 2 × (22 ÷ 7) × r = 253

⇒ r = (253 × 7) ÷ (2 × 22)

⇒ r = 1771 ÷ 44 = 40.25 m

⇒ Area = (22 ÷ 7) × (40.25)²

⇒ Area = (22 ÷ 7) × 1620.0625

⇒ Area = 22 × 231.4375 = 5091.625 m²

⇒ Cost = 5091.625 × 8 = ₹40,733

∴ The correct answer is ₹40,733.

Given:

Compound Interest (CI) for 2 years = ₹5,958

Rate = 15% per annum

Compounding period = every 8 months ⇒ 3 times in 2 years

Formula used:

CI = P[(1 + r/100)ⁿ − 1]

Where r = rate per compounding period, n = number of compounding periods

Calculations:

Since 8 months = 2/3 year,

Rate per period = (15 × 8)/12 = 10%

Number of periods in 2 years = (2 years ÷ 8 months) = 3

⇒ CI = P[(1 + 10/100)³ − 1]

⇒ 5958 = P[(1.1)³ − 1]

⇒ (1.1)³ − 1 = 1.331 − 1 = 0.331

⇒ 5958 = P × 0.331

⇒ P = 5958 ÷ 0.331 = 18,000

Now, if interest is compounded annually:

Amount = P(1 + 15/100)²

⇒ A = 18,000 × (1.15)² = 18,000 × 1.3225 = 23,805

∴ The amount when compounded annually = ₹23,805.

The correct answer is Ctrl + O.

Key Points

• Ctrl + O is the keyboard shortcut used to open an already existing file in MS Word. It directly brings up the "Open" dialog box, allowing users to browse and select the desired file.
• Other shortcuts like Alt + N, Ctrl + N, and Alt + Ctrl + O serve different functions in MS Word and are not relevant for opening an existing file.
• The "Open" dialog box accessed using Ctrl + O provides options to choose a file from recent documents, local storage, or cloud services like OneDrive.
• This shortcut enhances productivity by allowing quick access to files without navigating through the menu bar manually.
• Ctrl + O is a widely recognized shortcut across various Microsoft Office applications like Excel and PowerPoint, ensuring consistency in user experience.

Additional Information

• Alt + N:
• This shortcut is used to open the "Insert" tab in MS Word, which provides tools for adding pictures, tables, shapes, and other elements.
• It is not related to opening an already existing document.
• Ctrl + N:
• Ctrl + N is used to create a new blank document in MS Word.
• This shortcut is helpful for users who need to start a fresh document rather than opening an existing one.
• Alt + Ctrl + O:
• This shortcut switches the document to "Outline View" in MS Word, which is useful for organizing and structuring content.
• It does not perform the function of opening an existing document.
• Importance of Keyboard Shortcuts:
• Keyboard shortcuts save time and improve efficiency by reducing dependency on the mouse.
• In MS Word, shortcuts like Ctrl + S (Save), Ctrl + P (Print), and Ctrl + Z (Undo) are extensively used for quicker operations.
• Applications of Ctrl + O:
• This shortcut is not only limited to MS Word but also works across several other software like Excel, PowerPoint, Notepad, and Adobe Reader.
• It facilitates workflow by providing a consistent method to open files in different programs.

The correct answer is Ctrl + J.

Key Points

• Ctrl + J is the keyboard shortcut used to open the Download window in the Google Chrome browser.
• This shortcut provides quick access to view and manage files that have been downloaded, including their statuses and locations.
• Using Ctrl + J, users can efficiently track downloaded files without navigating through multiple menus.
• Chrome's download interface displays details such as the filename, download progress, and the file's final location on the system.
• This shortcut is applicable across most versions of Google Chrome on both Windows and macOS operating systems.

Additional Information

• Other Keyboard Shortcuts in Google Chrome:
• Ctrl + T: Opens a new tab in the browser.
• Ctrl + W: Closes the current tab.
• Ctrl + Shift + T: Restores the last closed tab.
• Ctrl + D: Adds the current webpage to bookmarks.
• Ctrl + Shift + Delete: Opens the "Clear Browsing Data" window.
• Features of the Downloads Window:
• The downloads window allows users to search for previously downloaded files using keywords.
• Users can pause, resume, or cancel active downloads.
• It provides direct links to open files or navigate to their saved locations.
• Browser Compatibility:
• Keyboard shortcuts like Ctrl + J are supported not only in Google Chrome but also in other browsers such as Mozilla Firefox and Microsoft Edge.
• Shortcuts may vary slightly depending on the operating system (e.g., macOS uses Command instead of Ctrl).
• Importance of Keyboard Shortcuts:
• Keyboard shortcuts save time and enhance productivity by allowing users to perform actions quickly without relying on the mouse.
• They are particularly useful for individuals who perform repetitive tasks or navigate browsers frequently.

The correct answer is Option 4.

Key Points

• In MS Excel, selecting a range of cells involves identifying the starting and ending cells in the range.
• When you select Cell A1, it becomes the starting point of your selection.
• Pressing the Shift key while clicking on another cell, such as Cell C5, extends the selection to include all the cells within the rectangular area formed by the two cells.
• The range of selection in this case includes the cells from A1 (top-left corner) to C5 (bottom-right corner).
• The total number of selected cells is calculated as number of rows × number of columns. From A1 to C5:
• Rows = 5 (A1 to A5, B1 to B5, and C1 to C5).
• Columns = 3 (Column A, Column B, Column C).

Hence, total cells = 5 × 3 = 15. Therefore, the correct answer is Option 4.

Additional Information

• Selection Methods in MS Excel:
• To select a single cell, simply click on the desired cell.
• To select multiple adjacent cells, click the starting cell, hold down the Shift key, and then click the ending cell.
• To select non-adjacent cells, hold down the Ctrl key and click on each desired cell individually.
• Range in Excel:
• A range in Excel refers to a group of two or more cells. The range is defined by the top-left cell and the bottom-right cell of the selection.
• For example, the range A1:C5 includes all cells from A1 to C5.
• Calculation of Selected Cells:
• The total number of selected cells in a rectangular range is determined by the product of the number of rows and columns included in the selection.
• For instance, a range of 5 rows and 3 columns contains 5 × 3 = 15 cells.
• Practical Applications:
• Cell selection is essential for performing various operations such as formatting, data entry, and applying formulas.
• Understanding selection techniques improves efficiency while working with large datasets.

Important Points

• Shortcut Keys for Selection:
• Shift + Arrow Keys: Extends the selection by one cell in the direction of the arrow key.
• Ctrl + A: Selects the entire worksheet or the current data region.
• Ctrl + Shift + Arrow Keys: Selects all cells in the direction of the arrow key until the end of the data.
• Common Errors in Cell Selection:
• Accidentally selecting extra cells by releasing the Shift key too late.
• Misinterpreting the range by overlooking the dimensions of rows and columns.