MP Forest Guard/Jail Prahari Combined Exam Official Paper (Held On: 14 Jun, 2023 Shift 2) (Previous Year Paper)

The correct answer is RRR.

Key Points

• The Telugu blockbuster film RRR, directed by S.S. Rajamouli, won the Best International Film award at the 50^th Anniversary Saturn Awards held in 2022.
• The awards ceremony took place on October 25, 2022, in Los Angeles, California, where the film was recognized for its exceptional storytelling and cinematic scale.
• RRR competed against other highly acclaimed international films such as Downton Abbey: A New Era (United Kingdom), Great Freedom (Austria/Germany), Official Competition (Spain/Argentina), and I'm Your Man (Germany) to secure this prestigious title.
• Director S.S. Rajamouli accepted the award in person, highlighting the growing global footprint of Indian cinema and its specific impact on the North American audience.
• The film was also nominated in other major categories at the 2022 Saturn Awards, including Best Action/Adventure Film and Best Direction for S.S. Rajamouli.

Additional Information

• The Saturn Awards: These awards are presented annually by the Academy of Science Fiction, Fantasy & Horror Films. Established in 1972, they were originally created to honor genre films but have since expanded to recognize various categories in film, television, and home media.
• Film Synopsis: RRR (Rise Roar Revolt) is a fictionalized account set in the 1920s, revolving around two legendary Indian revolutionaries, Alluri Sitarama Raju (played by Ram Charan) and Komaram Bheem (played by N.T. Rama Rao Jr.), and their struggle against the British Raj.
• Global Success: Released on March 25, 2022, the film became a massive commercial hit, grossing over ₹1,200 crore (approx. $175 million) worldwide. It gained a cult following in the United States and Japan following its digital release.
• Musical Achievements: The film's song "Naatu Naatu", composed by M.M. Keeravani, made history by winning the Academy Award (Oscar) for Best Original Song in 2023, as well as a Golden Globe Award in the same category.
• Other Options: Films like The Kashmir Files and Brahmastra were also major Indian releases in 2022, focusing on historical and mythological themes respectively, but they did not win the Best International Film category at the 50^th Saturn Awards.

Important Points

• Historical Context: The Saturn Awards specifically look for excellence in imaginative storytelling. RRR's victory marks a significant milestone as it was one of the few Indian films to receive such mainstream recognition from a dedicated American film academy.
• Director's Vision: S.S. Rajamouli, known for the Baahubali franchise, utilized high-end VFX and massive set pieces to create a visual spectacle that resonated with global critics.
• Numerical Impact: The film was produced on a budget of approximately ₹550 crore, making it one of the most expensive Indian films ever made at the time of its release.
• Recognition: Beyond the Saturn Awards, the film was also named one of the ten best films of the year by the National Board of Review, representing a rare crossover success for a non-English language film in the US$.

The correct answer is Operation Ganga.

Key Points

• Operation Ganga was an evacuation mission launched by the Government of India in February 2022 to rescue Indian citizens, particularly students, from Ukraine.
• The mission was initiated following the Russian invasion of Ukraine, which began on 24^th February 2022, leading to the closure of Ukrainian airspace for civilian aircraft.
• Due to the active war zone, Indian nationals were directed to reach the land borders of neighboring countries such as Poland, Romania, Hungary, Slovakia, and Moldova to be airlifted back to India.
• The operation was a massive logistical undertaking involving the Ministry of External Affairs (MEA) and the Ministry of Civil Aviation, facilitating over 90 flights to bring home approximately 22,500 Indian nationals safely.
• The Indian Air Force (IAF) also contributed to the mission by deploying C-17 Globemaster III heavy-lift aircraft to provide humanitarian aid and speed up the evacuation process.

Additional Information

• Mission Vande Bharat: This was a major civilian evacuation exercise launched on 7^th May 2020 to bring back Indian citizens stranded in various countries across the world due to the COVID-19 pandemic travel restrictions. It successfully repatriated millions of people over several phases.
• SWADESH Mission: Standing for Skilled Workers Arrival Database for Employment Support, this initiative was launched alongside the Vande Bharat Mission. It aimed to conduct a skill mapping exercise of the returning citizens to help them find suitable employment opportunities based on their skill sets.
• Operation Devi Shakti: Conducted in August 2021, this mission was launched to evacuate Indian citizens and Afghan partners from Kabul, Afghanistan, after the city fell to the Taliban.
• Operation Raahat: Launched in 2015 by the Indian Armed Forces, this mission was designed to evacuate Indian citizens and foreign nationals from Yemen during the Yemeni Crisis.
• Operation Samudra Setu: Launched in May 2020, this was a naval operation to bring back Indian citizens from overseas during the COVID-19 pandemic using Indian Navy ships like INS Jalashwa.

Important Points

• To oversee the ground coordination of Operation Ganga, the Government of India sent four Union Ministers as special envoys to neighboring countries: Hardeep Singh Puri to Hungary, Jyotiraditya Scindia to Romania and Moldova, Kiren Rijiju to Slovakia, and Gen (Retd) V.K. Singh to Poland.
• The evacuation was challenging because many students were trapped in conflict zones like Kharkiv and Sumy, requiring the creation of humanitarian corridors for their safe passage.
• The operation also demonstrated India's diplomatic strength, as it assisted in the evacuation of citizens from other nations, including Nepal, Bangladesh, and Tunisia.
• Private airlines like Air India, IndiGo, Air India Express, and SpiceJet played a crucial function in the commercial aspect of the airlifting process under the government's direction.

The correct answer is 5.

Key Points

• The pilot phase of the Open Network for Digital Commerce (ONDC) was launched on April 29, 2022, to revolutionize the e-commerce landscape in India.
• The government selected 5 specific cities for the initial rollout: Delhi NCR, Bengaluru, Bhopal, Shillong, and Coimbatore. These locations were chosen to test the network across different geographical and demographic variables.
• This initiative is led by the Department for Promotion of Industry and Internal Trade (DPIIT), which operates under the Ministry of Commerce and Industry.
• The primary objective of the pilot was to validate the technical and operational feasibility of the network before a larger national expansion. It aimed to onboard 150 retailers across these 5 cities during the introductory phase.
• The Union Minister for Commerce and Industry, Shri Piyush Goyal, emphasized that this move would democratize the digital marketplace, shifting it from a platform-centric model to an open-network model.

Additional Information

• Structure and Governance: ONDC is incorporated as a Section 8 company (a non-profit organization). It was established with the support of the Quality Council of India (QCI) and Protean eGov Technologies Limited (formerly NSDL e-Governance Infrastructure Ltd).
• Core Technology: Unlike traditional e-commerce platforms (like Amazon or Flipkart) that are closed systems, ONDC is built on open-source protocols. It utilizes the Beckn Protocol to allow seamless interaction between different applications, enabling interoperability.
• Strategic Vision: The project is modeled after the success of the Unified Payments Interface (UPI). Just as UPI allowed users to transfer money regardless of the bank or app used, ONDC allows buyers and sellers to discover each other regardless of the specific e-commerce application they are registered on.
• Market Impact: The project aims to increase the e-commerce penetration in India to 25% of consumer purchases in the next two years, up from the current 8%. It specifically targets the inclusion of small kirana stores and local retailers who are often excluded from high-commission digital platforms.
• Funding and Stakeholders: Several major financial institutions have invested in ONDC, including the State Bank of India (SBI), HDFC Bank, ICICI Bank, and IDFC First Bank, highlighting the nationwide economic importance of this digital public infrastructure.

Important Points

• Advisory Council: To oversee the implementation, the Government of India formed an advisory council featuring prominent figures like Nandan Nilekani (Non-executive Chairman of Infosys) and R. S. Sharma (CEO of the National Health Authority).
• Expansion Goals: Following the success in the initial 5 cities, the government planned to expand the network to over 100 cities by the end of August 2022. The long-term goal is to reach 30 million sellers and 10 million merchants across 700+ cities and towns.
• Benefits for Consumers: For the general public, ONDC promises more choices, better price discovery, and potentially lower costs due to increased competition and reduced commission structures compared to traditional aggregators.
• Date of Incorporation: Although the pilot launched in 2022, ONDC was officially incorporated on December 30, 2021, as a private sector-led non-profit organization to ensure its independence and efficiency.

The correct answer is Kolkata.

Key Points

• The 130^th edition of the Durand Cup, which is the oldest football tournament in Asia, was successfully hosted in Kolkata, West Bengal. The tournament took place from September 5 to October 3, 2021.
• This specific edition marked the return of the prestigious competition after it was cancelled in 2020 due to the global COVID-19 pandemic.
• The matches were played across multiple venues in and around the city, including the Vivekananda Yuba Bharati Krirangan (Salt Lake Stadium), the Mohun Bagan Ground, and the Kalyani Stadium.
• FC Goa created history by winning their maiden Durand Cup title in the 130^th edition. They defeated Mohammedan Sporting with a score of 1-0 in the final match held at the Salt Lake Stadium.
• The tournament was organized by the Durand Football Tournament Society (DFTS) in close coordination with the Indian Armed Forces and supported by the Government of West Bengal.

Additional Information

• Historical Background: The Durand Cup was first established in the year 1888. It was initially held in Shimla as an Army cup, meant for the British Indian Army and other military units. It is named after its founder, Sir Mortimer Durand, who served as the Foreign Secretary of India from 1884 to 1894.
• Global Standing: It is recognized as the third oldest football tournament in the world, trailing only the English FA Cup and the Scottish Cup in terms of longevity.
• Unique Trophies: Unlike most tournaments, the Durand Cup winners are presented with three distinct trophies: the Durand Cup (the original challenge prize), the Simla Trophy (first presented by the citizens of Shimla in 1904), and the President's Cup (first presented by Dr. Rajendra Prasad, the first President of India, in 1956).
• Most Successful Clubs: Traditionally, the two giants of Kolkata football, Mohun Bagan and East Bengal, have dominated the competition. Both clubs have won the title a record 16 times each (as of the conclusion of the 130^th edition).
• Expansion and Format: The 130^th edition featured 16 teams, including sides from the Indian Super League (ISL), the I-League, and representative teams from the Indian Army, Indian Navy, and Indian Air Force.

Important Points

• Awards of the 130^th Edition: The Golden Ball for the best player of the tournament was awarded to Edu Bedia of FC Goa. The Golden Boot for the highest goal scorer was won by Marcus Joseph (Mohammedan Sporting), while the Golden Glove for the best goalkeeper was given to Naveen Kumar of FC Goa.
• Venue Shift: For many decades, the tournament was primarily associated with New Delhi (Ambedkar Stadium). however, the Durand Football Tournament Society decided to shift the base to Kolkata starting from 2019 to revitalize the tournament in the "Mecca of Indian Football."
• Economic and Cultural Impact: Hosting the Durand Cup in West Bengal provides a significant boost to local sports tourism and continues the long-standing tradition of football culture in the Eastern part of India.
• Institutional Support: The Chief of Defence Staff and the Service Chiefs of the Army, Navy, and Air Force are patrons of the tournament, emphasizing its roots in the military history of the country.

The correct answer is Sapta Sindhu.

Key Points

• The Aryans migrated to the Indian subcontinent around 1500 BCE. Their earliest settlements were concentrated in the region known as Sapta Sindhu, which translates to the "Land of Seven Rivers".
• The Sapta Sindhu region corresponds to the modern-day Punjab (split between India and Pakistan) and parts of eastern Afghanistan. This geographical area was well-suited for their pastoral lifestyle. Hence, the statement regarding Sapta Sindhu is correct.
• The Rig Veda, the oldest of the four Vedas composed during the Early Vedic Period (1500–1000 BCE), provides the primary literary evidence for these settlements. It describes the Indus and its tributaries as the lifeblood of their civilization.
• While Uttar Pradesh and Delhi became significant later, they were part of the Later Vedic Period (1000–600 BCE) expansion known as Aryavarta. Bengal was settled even later as the Aryans moved further east. Hence, these locations do not represent the earliest settlements.

Additional Information

• The Seven Rivers: The Sapta Sindhu refers to the Sindhu (Indus), along with its five major tributaries: Vitasta (Jhelum), Asikni (Chenab), Parushni (Ravi), Vipas (Beas), and Shutudri (Sutlej). The seventh river is the Saraswati, which was considered highly sacred and is often identified with the Ghaggar-Hakra river system.
• Social and Political Structure: During this early age, the Aryans were organized into tribes called Janas. Each Jana was headed by a Rajan (chief), whose primary duty was the protection of the tribe and its cattle. Political assemblies like the Sabha (council of elders) and Samiti (general assembly) played a vital role in governance.
• Economic Life: The Early Aryans were primarily pastoralists. Cows were the most important form of wealth and were used as a unit of currency. Terms like Gavisthi (search for cows) were often used to denote warfare, highlighting the socio-economic importance of livestock.
• Religion and Rituals: Their religion was centered on the worship of natural forces personified as deities. Key gods included Indra (the god of thunder and war), Agni (the god of fire), and Varuna (the upholder of cosmic order). Sacrifices (Yajnas) were performed to please these gods for prosperity and victory.

Important Points

• Geographical Expansion: Around 1000 BCE, with the discovery and application of Iron (Krishana Ayas), the Aryans began clearing the thick forests of the Gangetic Plain. This led to a shift from a pastoral to an agricultural economy and the formation of larger territorial states known as Janapadas.
• The Rig Vedic Geography: The Rig Veda mentions the Himalayas but does not show much familiarity with the Vindhya Range or the Bay of Bengal, confirming that the location of the Early Vedic people was limited to the northwest of the Indian subcontinent.
• Date and Chronology: Historians generally place the Aryan migration and the composition of the Rig Veda between 1500 BCE and 1000 BCE, based on archaeological findings and linguistic comparisons with other Indo-European languages.

The correct answer is Jansatta.

Key Points

• Prabhash Joshi was the founding editor of the Hindi daily newspaper Jansatta, which was launched on November 16, 1983.
• Jansatta is a prominent Hindi newspaper belonging to the Indian Express Group, known for its investigative journalism and distinct editorial style.
• Under the leadership of Prabhash Joshi, the newspaper became a voice for Gandhian values, social activism, and rural issues, setting a new benchmark in Hindi journalism.
• Jansatta was the first Hindi daily to attain a significant national profile without being an extension of an existing English daily, establishing its own unique identity and literary flair.
• Prabhash Joshi was famous for his weekly column titled "Sabad Nirantar," where he discussed a wide range of topics including politics, cricket, and culture with deep insight. Hence, the correct answer is Jansatta.

Additional Information

• Dainik Jagran:
• It was founded by Puran Chandra Gupta in 1942 in Jhansi during the Quit India Movement.
• It is currently one of the most-read newspapers in India according to the World Association of Newspapers.
• The newspaper is headquartered in Kanpur, Uttar Pradesh, and has a massive readership across Northern India. Hence, this option is incorrect.
• Dainik Bhaskar:
• It was started in 1958 by Dwarka Prasad Agarwal in Bhopal, Madhya Pradesh.
• It is the largest circulated daily newspaper in India by circulation as per the Audit Bureau of Circulations.
• It has a significant presence in 12 states with editions in Hindi, Gujarati, and Marathi. Hence, this option is incorrect.
• Hindustan:
• Hindustan (or Hindustan Dainik) was launched in 1936 by Madan Mohan Malaviya.
• It is published by Hindustan Media Ventures Limited and is a sister publication of the Hindustan Times.
• It is one of the leading Hindi dailies in Delhi, Bihar, Jharkhand, and Uttar Pradesh. Hence, this option is incorrect.

Important Points

• Prabhash Joshi (1937–2009) was born in Ashta, Madhya Pradesh, and was a stalwart of Indian journalism.
• He began his career with Nayi Duniya and later joined the Indian Express Group, where he worked closely with Ramnath Goenka.
• He was a staunch advocate for ethical journalism and played a crucial role during the Emergency (1937-1977) in upholding the freedom of the press.
• Apart from his editorial work, Prabhash Joshi was an avid cricket writer and his commentary on the game was highly respected for its technical accuracy and philosophical depth.
• His contribution to Hindi literature and language through Jansatta helped bridge the gap between intellectual discourse and the common man.

The correct answer is Krishna.

Key Points

• Krishna River: The source of the Krishna River is located near Mahabaleshwar in the Satara district of the state of Maharashtra. It does not originate in Madhya Pradesh. Hence, statement 4 is correct.
• Tapti River: This river originates from the Multai reserve forest in the Betul district of Madhya Pradesh. It flows westward through Madhya Pradesh, Maharashtra, and Gujarat before emptying into the Arabian Sea. Hence, statement 1 is incorrect.
• Chambal River: The Chambal River has its source in the Janapav Hills of the Vindhya Range, located near Mhow in the Indore district of Madhya Pradesh. It is a major tributary of the Yamuna River. Hence, statement 2 is incorrect.
• Wainganga River: This river originates in the Mundara village of the Seoni district in the Mahadeo Hills of Madhya Pradesh. It flows south through Madhya Pradesh and Maharashtra to join the Wardha River. Hence, statement 3 is incorrect.

Additional Information

• Krishna River System:
• It is the fourth-largest river in terms of water inflows and river basin area in India, after the Ganga, Godavari, and Brahmaputra.
• The river is almost 1,288 kilometres (or 1,400 km) long and serves as a major source of irrigation for Maharashtra, Karnataka, Telangana, and Andhra Pradesh.
• Its principal tributaries include the Ghataprabha, Malaprabha, Bhima, Tungabhadra, and Musi.
• Important dams on this river include the Almatti Dam, Srisailam Dam, and Nagarjuna Sagar Dam.
• Tapti (Tapi) River:
• It is one of the few west-flowing rivers in India that flows through a rift valley.
• The total length of the river is approximately 724 km. It is often referred to as the "handmaid" or twin of the Narmada River.
• Chambal River:
• The river is legendary for its badlands or ravines (Chambal ravines) caused by severe soil erosion.
• It passes through Rajasthan and Uttar Pradesh before joining the Yamuna in Etawah district.
• Major dams on the Chambal include Gandhi Sagar, Rana Pratap Sagar, and Jawahar Sagar.
• Wainganga River:
• It is a key tributary of the Godavari River. After joining the Wardha River, the combined stream is known as the Pranhita River, which ultimately empties into the Godavari.
• The river basin is known for its dense forests and tribal populations in Central India.

Important Points

• Madhya Pradesh is often called the "River State" (Nadiyo ka Maika) because it serves as the origin point for numerous major Indian rivers including the Narmada, Son, Betwa, and Kshipra.
• The Narmada River, the largest river in Madhya Pradesh, originates from Amarkantak in the Anuppur district.
• Understanding the drainage patterns of Central India is crucial for geography studies, as many rivers flow toward the Bay of Bengal while others flow toward the Arabian Sea.

The correct answer is 984.

Key Points

• According to the Census 2011, the sex ratio of the Scheduled Tribe (ST) population in Madhya Pradesh is 984. This means there are 984 females for every 1000 males within the tribal community.
• The tribal sex ratio (984) is notably higher than the overall sex ratio of Madhya Pradesh, which stands at 931 females per 1000 males as per the 2011 data.
• The total Scheduled Tribe population in Madhya Pradesh is approximately 1,53,16,784, making it the state with the highest ST population in India by numerical value.
• The ST population constitutes about 21.1% of the total population of the state, which was 7,26,26,809 during the 2011 Census.
• In terms of geographical distribution, the tribal population is spread across the state, with significant concentrations in districts like Dhar, Barwani, and Jhabua.

Additional Information

• District-wise Sex Ratio: Among the districts in Madhya Pradesh, Balaghat holds the distinction of having the highest Scheduled Tribe sex ratio, recorded at 1021. On the other hand, Bhind district has the lowest ST sex ratio in the state, standing at 868.
• Child Sex Ratio: The Child Sex Ratio (0-6 years) for the Scheduled Tribe population in Madhya Pradesh is 975, which is also higher than the general child sex ratio of the state (918).
• Tribal Groups: There are 46 recognized Scheduled Tribes in Madhya Pradesh. The Bhil tribe is the most populous group, followed by the Gond and Kol tribes. The Baiga, Sahariva, and Bharía are classified as Particularly Vulnerable Tribal Groups (PVTGs) in the state.
• Urban vs. Rural: The sex ratio for Scheduled Tribes in rural areas of Madhya Pradesh is 986, while in urban areas, it is slightly lower at 955.
• Literacy Rate: The literacy rate among the ST population in Madhya Pradesh is 50.6%, with male literacy at 59.6% and female literacy at 41.5%.

Important Points

• National Context: At the national level, the sex ratio for the Scheduled Tribe population in India is 990, which is higher than the national average sex ratio of 943.
• Constitutional Provisions: Article 342 of the Constitution of India empowers the President to specify the tribes or tribal communities which shall be deemed to be Scheduled Tribes. Madhya Pradesh falls under the Fifth Schedule of the Constitution, which provides for the administration and control of Scheduled Areas and Scheduled Tribes.
• Administrative Bodies: The Tribal Welfare Department of Madhya Pradesh is responsible for the implementation of various schemes related to the education, health, and economic upliftment of the tribal population.
• Comparison with 2001: In the 2001 Census, the sex ratio of the ST population in Madhya Pradesh was 975, showing an improvement of 9 points over the decade leading to 2011.

The correct answer is 2008.

Key Points

• The Indira Gandhi National Tribal University (IGNTU) was established by an Act of Parliament of India.
• The university was founded under the Indira Gandhi National Tribal University Act, 2007, which was published in the Gazette of India on 20^th December 2007.
• While the Act was passed in 2007, the university officially came into action and started its academic operations in the year 2008.
• The headquarters of the university is located at Amarkantak, which is situated in the Anuppur district of Madhya Pradesh.
• It is a Central University aimed at providing higher education and research facilities primarily for the tribal population of India.
• The university is fully funded by the Government of India through the University Grants Commission (UGC) and functions under the Ministry of Education.

Additional Information

• Geographical Reach: The jurisdiction of the university extends to the whole of India, allowing it to open campuses in different parts of the country to serve various tribal communities.
• Regional Campus: In September 2009, the university established its first regional campus in Manipur, specifically to address the educational needs of the tribes in the North-Eastern region of India.
• Academic Focus: The university specializes in fields related to Tribal Art, Culture, Tradition, Language, Medicinal Systems, Customs, and Forest-based economic activities.
• Educational Programs: It offers a wide range of courses at the Undergraduate (UG), Postgraduate (PG), and Doctoral (Ph.D.) levels across various disciplines like Social Sciences, Humanities, Science, and Management.
• Objective: One of its primary functions is to formulate tribal-centric development strategies and to preserve the cultural heritage of Scheduled Tribes (ST) in India.

Important Points

• Location Significance: The main campus at Amarkantak is a significant location as it is the meeting point of the Vindhya and Satpura mountain ranges and the source of the Narmada, Son, and Johila rivers.
• Leadership: The first Vice-Chancellor of the university was Professor Chandra Deo Singh, who played a key role in its initial administrative setup in 2008.
• Student Demographics: While the university is open to all, it provides reservations and special incentives to students belonging to Scheduled Tribes to ensure social justice and inclusive growth.
• Infrastructure: The university campus in Madhya Pradesh is spread over a sprawling area of approximately 430 acres, equipped with modern facilities, libraries, and research laboratories.

The correct answer is Kunjilal Dubey.

Key Points

• Kunjilal Dubey served as the first Speaker of the Madhya Pradesh Legislative Assembly (Vidhan Sabha) after the state's formation.
• He held this esteemed constitutional office for three consecutive terms, starting from November 1, 1956, until March 1967.
• Known for his immense contribution to the parliamentary procedures of the state, he is famously referred to as "Vidhan Sabha Purush" (Man of the Legislative Assembly).
• Born in March 1896 in the Narsinghpur district, he was a distinguished lawyer, educationist, and freedom fighter.
• Beyond his legislative role, he also served as the Chancellor of Jabalpur University and was awarded the Padma Bhushan in 1964 for his contributions to public affairs.

Additional Information

• Gulsher Ahmed:
• He was the fourth Speaker of the Madhya Pradesh Legislative Assembly, serving from August 1972 to July 1977.
• He later served as the Governor of Himachal Pradesh in 1993 and was a prominent legal expert from the Satna region.
• Sitasharan Sharma:
• He served as the Speaker of the 14^th Madhya Pradesh Legislative Assembly from January 2014 to January 2019.
• He represents the Hoshangabad (now Narmadapuram) constituency and is a member of the Bharatiya Janata Party.
• Tejlal Tambhare Harishchandra:
• He was a notable political figure in the state and served as a Minister in the state cabinet; however, he did not hold the post of the first Speaker.
• First State Officials of Madhya Pradesh:
• The first Governor of the state was Dr. Pattabhi Sitaramayya (1956).
• The first Chief Minister was Pandit Ravishankar Shukla, who took office on November 1, 1956.

Important Points

• The Madhya Pradesh Legislative Assembly is a Unicameral legislature located in Bhopal.
• The current building of the assembly is the Indira Gandhi Vidhan Bhawan, which was inaugurated in August 1996 by the then President Dr. Shankar Dayal Sharma.
• Under Article 178 of the Constitution of India, every State Legislative Assembly must choose two members of the Assembly to be Speaker and Deputy Speaker respectively.
• The Speaker has the power to preside over the sessions, maintain parliamentary decorum, and exercise a casting vote in case of a tie during voting on a bill.
• The total number of seats in the Madhya Pradesh Legislative Assembly currently stands at 230.

The correct answer is Awadh.

Key Points

• Nawab Wajid Ali Shah was the tenth and last Nawab of the princely state of Awadh, holding the throne for nine years from February 13, 1847, to February 11, 1856.
• His kingdom, Awadh, was annexed by the British East India Company under the leadership of Governor-General Lord Dalhousie in 1856. The annexation was justified by the British on the grounds of alleged internal misrule and maladministration, rather than the Doctrine of Lapse, which was used for other states.
• He was a great patron of the arts, specifically music, dance, and literature. He is widely credited with the revival and popularization of the Lucknow Gharana of Kathak dance, which flourished under his generous patronage.
• Wajid Ali Shah was himself a talented composer and poet; he wrote several poems and musical pieces under the pen name Qaisar. He is particularly associated with the development of the Thumri genre of Hindustani classical music.
• Following his deposition in 1856, he was exiled to Garden Reach in Metiabruz, near Calcutta (now Kolkata), where he spent the remainder of his life attempting to recreate the cultural atmosphere of Lucknow until his death on September 1, 1887.

Additional Information

• Awadh (Oudh): This historical region is located in the modern-day state of Uttar Pradesh. The state was founded in 1722 by Saadat Khan Burhan-ul-Mulk, who was the first Nawab. Its capital was initially Faizabad before being shifted to Lucknow in 1775 by Nawab Asaf-ud-Daula.
• Purvanchal: This is a geographic sub-region of North-Central India that comprises the eastern end of Uttar Pradesh and certain districts of Bihar. Unlike Awadh, it was not a single unified princely state ruled by a specific dynasty of Nawabs in the same administrative context.
• Ayodhya: While Ayodhya is a city within the Awadh region and served as the early seat of power for the Nawabs, it is not the name of the entire kingdom ruled by Wajid Ali Shah. It is situated on the banks of the Saryu River and holds immense religious and historical significance in India.
• Bundelkhand: This is a distinct geographical and cultural region divided between the states of Uttar Pradesh and Madhya Pradesh. It was historically ruled by various dynasties, including the Chandela Rajputs and Bundelas, and remained separate from the Nawabi jurisdiction of Awadh.
• Annexation Consequences: The forced removal of Wajid Ali Shah and the annexation of Awadh were major catalysts for the Indian Rebellion of 1857. His second wife, Begum Hazrat Mahal, took charge of the rebel forces in Lucknow during the uprising against the British.

Important Points

• The Treaty of Allahabad (1765) marked the beginning of British influence over Awadh after the Battle of Buxar, leading to the eventual Subsidiary Alliance which stripped the Nawabs of much of their military power.
• Nawab Asaf-ud-Daula is famous for constructing the Bara Imambara in 1784, a masterpiece of Awadhi architecture, which was built as part of a famine relief program to provide employment to the people.
• The administration of Wajid Ali Shah is often debated by historians; while the British labeled it as misgovernance to justify annexation, Indian perspectives often highlight the secular and culturally vibrant nature of his court where Hindus and Muslims coexisted peacefully.
• The British decision to annex Awadh in 1856 violated previous treaties, leading to widespread resentment among the sepoys of the Bengal Army, many of whom were recruited from Awadh.

The correct answer is Kushana.

Key Points

• Kanishka was the most famous and powerful ruler of the Kushana dynasty, which played a pivotal role in the history of Ancient India and Central Asia.
• He is traditionally believed to have ascended the throne in 78 AD, a date that marks the beginning of the Saka Era, which is currently used by the Government of India as the national calendar.
• His empire was vast, extending from Central Asia in the north to Pataliputra in the east, and from Kashmir in the north to the Malwa region in the south, with Purushapura (modern-day Peshawar) and Mathura serving as its main capitals.
• Kanishka was a great patron of Buddhism and organized the Fourth Buddhist Council at Kundalvana in Kashmir, where the division between Hinayana and Mahayana sects was formalized.
• His court was adorned by legendary scholars such as Ashvaghosha (the author of Buddhacharita), Vasumitra, the philosopher Nagarjuna, and the famous physician Charaka, who wrote the Charaka Samhita.

Additional Information

• Kushana Dynasty Origin: The Kushanas were a branch of the Yuezhi tribe from the steppes of Central Asia. They moved towards India after being displaced by the Xiongnu tribe in the 2^nd century BC.
• Economic Prosperity: Under Kanishka, the Kushanas controlled the lucrative Silk Route, facilitating trade between China, India, and the Roman Empire. This led to the massive issuance of Gold Coins, which were high in purity and modeled after Roman currency.
• Art and Architecture: The reign of Kanishka saw the flourishing of two distinct schools of art: the Gandhara School, which reflected Greco-Roman influences, and the Mathura School, which was purely indigenous in style.
• Religious Tolerance: Although a devout follower of Mahayana Buddhism, Kanishka’s coins featured deities from various religions, including Greek, Zoroastrian, and Hindu gods, showcasing his administrative Secularism.
• Kujula Kadphises was the founder of the Kushana Empire in India, while his son Vima Kadphises is credited with the introduction of Gold Coins before Kanishka expanded the empire to its zenith.

Important Points

• Gupta Dynasty: Founded by Sri Gupta around 240 AD, this dynasty is known for the Golden Age of India. Famous rulers include Chandragupta I, Samudragupta, and Chandragupta II (Vikramaditya).
• Mauryan Dynasty: Established by Chandragupta Maurya in 322 BC after defeating the Nanda Dynasty. Its most famous ruler was Ashoka the Great, who spread Dhamma across Asia.
• Hun Dynasty: The Huns (specifically the Huna people) were nomadic tribes from Central Asia who invaded India during the 5^th century AD, contributing significantly to the decline of the Gupta Empire under rulers like Toramana and Mihirakula.

The correct answer is Baba Allauddin Khan.

Key Points

• Baba Allauddin Khan (also known as Ustad Allauddin Khan) was a legendary Indian sarod player and the founder of the Maihar Gharana.
• He was a versatile multi-instrumentalist who mastered several instruments, including the Sarod, Sitar, Violin, Cello, and even the Shehnai.
• The Maihar Gharana is named after the princely state of Maihar, located in the modern-day Satna district of Madhya Pradesh, India, where the Ustad served as a court musician.
• He is celebrated for revolutionizing the Sarod by modifying its structure to increase its tonal depth and resonance, making it a prominent solo instrument in Hindustani Classical Music.
• For his unparalleled contributions to the arts, he was honored with the Padma Bhushan in 1958 and the Padma Vibhushan in 1971, two of India's highest civilian awards.

Additional Information

• Pandit Jasraj:
• He was a renowned Indian classical vocalist belonging to the Mewati Gharana.
• He is famous for creating a unique form of Jugalbandi called the Jasrangi, which involves a male and a female singer singing different ragas at the same time.
• Jagjit Singh:
• Known as the "Ghazal King," he was a popular Indian singer, composer, and musician who revived the popularity of Ghazals in the 1970s and 1980s.
• He was awarded the Padma Bhushan in 2003 for his contribution to music and films.
• Farida Khanum:
• She is a highly respected Pakistani Ghazal singer, often referred to as Malika-e-Ghazal (The Queen of Ghazal).
• Her musical style is deeply influenced by the Patiala Gharana, and she is famous for her rendition of the poem "Aaj Jaane Ki Zid Na Karo."
• Maihar Gharana Disciples:
• The gharana produced some of the greatest instrumentalists of the 20^th century, including Pandit Ravi Shankar (Sitar), Ustad Ali Akbar Khan (Sarod), and Annapurna Devi (Surbahar).
• Other notable students include Nikhil Banerjee (Sitar) and Pannalal Ghosh (Flute/Bansuri).

Important Points

• The Maihar Band: Baba Allauddin Khan established the Maihar Band in 1918, which was an orchestral group consisting of orphaned children. It is unique because it blends Indian classical ragas with an orchestral arrangement using both Indian and Western instruments like the Saxophone and Violin.
• Musical Style: The Maihar Gharana is known for its focus on Dhrupad ang (style), emphasizing the Alap, Jod, and Jhala segments of a performance before moving into the Gat (composition).
• Cultural Legacy: The annual Baba Alauddin Khan Sangeet Samaroh is held in Maihar, Madhya Pradesh, to commemorate his legacy and celebrate classical music, attracting performers from across the country and the world.
• Global Impact: Through his students like Pandit Ravi Shankar, the teachings of Baba Allauddin Khan and the Maihar Gharana were instrumental in introducing Indian classical music to the Western world during the 1960s.

The correct answer is Chennai.

Key Points

• Financial Software and Systems (FSS) is a global leader in payment technology and transaction processing, headquartered in Chennai, Tamil Nadu. Hence, the statement regarding its headquarters location is correct.
• The company launched its real-time voice banking platform, known as FSS Voice Commerce, in 2019 to provide a personalized banking experience through Artificial Intelligence (AI).
• The FSS Voice Commerce platform allows customers to perform various financial and non-financial transactions using voice assistants like Amazon Alexa and Google Assistant.
• Key features of this platform include fund transfers, bill payments, balance inquiries, and transaction history, all executed through secure voice-activated commands.
• Founded in 1991 by Nagaraj Mylandla, FSS has grown into a significant player in the FinTech space, providing end-to-end payment solutions to banks and financial institutions.

Additional Information

• Global Reach and Scale: FSS serves over 150 clients across 25 countries, including India, the USA, the UK, Singapore, and various nations in Africa and the Middle East. In India, it manages payment infrastructure for major banks such as HDFC Bank, ICICI Bank, and State Bank of India (SBI).
• Product Portfolio: Apart from Voice Commerce, the company offers FSS Blaze (a next-generation payment gateway), FSS Smart Recon, and API Banking solutions. These products align with the Digital India initiative by promoting a cashless economy.
• Workforce and Infrastructure: The organization employs over 2,500 employees and operates state-of-the-art transaction processing centers. Its headquarters in Chennai serves as the central hub for its research and development in payment security and e-commerce technologies.
• Technological Significance: Voice banking represents a major shift in customer engagement, moving from traditional branch visits to conversational banking. This technology is particularly useful for financial inclusion, helping the elderly or visually impaired users interact with banks more easily.

Important Points

• Founder: Nagaraj Mylandla serves as the Chairman and Managing Director of the company, steering it through the evolution of the Indian payment landscape from ATMs to Unified Payments Interface (UPI).
• Year of Establishment: The company was incorporated in the year 1991, making it one of the oldest and most established private FinTech firms in India.
• Role in ATM Industry: FSS is a pioneer in ATM outsourcing and management in India, managing thousands of ATMs and Point of Sale (POS) terminals for various public and private sector banks.
• Security Standards: The company adheres to international standards like PCI-DSS (Payment Card Industry Data Security Standard) to ensure that all voice-based transactions and digital payments remain secure and encrypted.

The correct answer is Concurrent list.

Key Points

• Economic and Social Planning is a subject listed in the Concurrent List (List III) of the Seventh Schedule of the Constitution of India.
• It is placed specifically under Entry 20 of the Concurrent List, which allows both the Parliament of India and the State Legislatures to make laws regarding the economic development of the country. Hence, statement 3 is correct.
• The Union List (List I) consists of subjects of national importance where only the Parliament has exclusive power to legislate, such as Defense, Foreign Affairs, and Atomic Energy, but it does not include general economic planning. Hence, statement 1 is incorrect.
• The State List (List II) contains subjects like Public Order, Police, and Agriculture, over which State Legislatures typically have jurisdiction; however, economic planning is a shared responsibility. Hence, statement 2 is incorrect.
• The Constitution of India provides a clear division of powers through the Seventh Schedule, and since economic planning is explicitly mentioned in Entry 20 of the Concurrent List, the idea that it is not in any specified list is false. Hence, statement 4 is incorrect.

Additional Information

• The Seventh Schedule:
• This schedule provides for the distribution of powers and functions between the Union and States under Article 246.
• Union List (List I): Originally contained 97 subjects, currently has 100 subjects. Examples include Banking, Railways, and Post and Telegraph.
• State List (List II): Originally contained 66 subjects, currently has 61 subjects. Five subjects were moved to the Concurrent List by the 42^nd Amendment Act of 1976.
• Concurrent List (List III): Originally had 47 items, currently contains 52 subjects. This list includes Education, Forests, Trade Unions, and Marriage.
• Evolution of Planning in India:
• To implement economic planning, the Planning Commission was established on March 15, 1950, through an executive resolution.
• The National Development Council (NDC), formed on August 6, 1952, was the body responsible for approving the Five-Year Plans.
• The Planning Commission was replaced by the NITI Aayog (National Institution for Transforming India) on January 1, 2015, to foster Cooperative Federalism.

Important Points

• Article 248 (Residuary Powers):
• The Parliament has exclusive power to make any law with respect to any matter not enumerated in the Concurrent List or State List. Such powers are known as Residuary Powers.
• Australian Influence:
• The concept of the Concurrent List in the Indian Constitution was borrowed from the Constitution of Australia.
• Conflict of Laws:
• Under Article 254, if there is a conflict between a Central law and a State law on a subject in the Concurrent List, the Central law prevails, unless the State law has received the President's assent.
• 42^nd Amendment Act (1976):
• This significant amendment moved five subjects from the State List to the Concurrent List: Education, Forests, Weights and Measures, Protection of Wild Animals and Birds, and Administration of Justice.

The correct answer is Weaving cloth and making sugar.

Key Points

• The secondary sector covers activities in which natural products are changed into other forms through ways of manufacturing that we associate with industrial activity. It is the next step after the primary sector.
• Weaving cloth: In this activity, we use cotton fibre from the plant (a primary product) and spin yarn to weave cloth. Since it involves a manufacturing process, it belongs to the secondary sector. Hence, this statement is correct.
• Making sugar: Using sugarcane as a raw material, we process it to produce sugar or gur. This transformation takes place in a factory or mill, characterizing it as a secondary activity. Hence, this statement is correct.
• This sector gradually became associated with the different kinds of industries that came up, and therefore, it is also called the industrial sector.
• Activities in the secondary sector include manufacturing, construction, electricity, gas, and water supply.

Additional Information

• Primary Sector:
• This sector includes activities that are undertaken by directly using natural resources.
• Examples include agriculture, dairy, fishing, forestry, and mining.
• Mining and dairy (mentioned in Option 2) are primary activities because they involve the extraction and biological processes of nature. Hence, statement 2 is incorrect.
• Horticulture (mentioned in Option 4) is the branch of agriculture that deals with garden crops, making it a primary sector activity.
• Tertiary Sector:
• These are activities that help in the development of the primary and secondary sectors. These activities, by themselves, do not produce a good but they are an aid or a support for the production process.
• Examples include transport, storage, communication, banking, and trade.
• Since these activities generate services rather than goods, the tertiary sector is also called the service sector.
• Transport (mentioned in Option 3) is a classic example of a tertiary activity. Hence, statement 3 is incorrect.
• Interdependence of Sectors:
• Economic activities, though grouped into three different categories, are highly interdependent. For example, iron ore (Primary) is converted into steel (Secondary), which is then transported (Tertiary) to build a factory.

Important Points

• Economic Significance: In India, the tertiary sector has emerged as the largest producing sector in terms of Gross Domestic Product (GDP), replacing the primary sector.
• Employment: While the tertiary sector contributes the most to GDP, the primary sector still continues to be the largest employer in India as of recent National Sample Survey (NSSO) data.
• Manufacturing: Within the secondary sector, manufacturing is the most vital component. It involves the use of machines, tools, and labour to produce goods for use or sale.
• Historical Shift: Historically, in developed countries, there has been a shift from the primary to the secondary, and finally to the tertiary sector as the main source of national income.

The correct answer is 26 November 1949.

Key Points

• The Constitution of India was formally adopted by the Constituent Assembly on 26 November 1949. This historic event is recorded in the Preamble of the Constitution, which states that the people of India, in their constituent assembly, adopted, enacted, and gave to themselves this document on this twenty-sixth day of November, 1949.
• The process of drafting the Constitution was a monumental task that took exactly 2 years, 11 months, and 18 days to complete. During this period, the assembly held 11 sessions covering a total of 165 days.
• At the time of its adoption, the Constitution contained a Preamble, 395 Articles divided into 22 Parts, and 8 Schedules. It is recognized as the longest written constitution of any sovereign nation in the world.
• While the Constitution was adopted in 1949, it came into full legal operation on 26 January 1950. This date was specifically chosen to commemorate the Purna Swaraj declaration of 1930.
• The final session of the Constituent Assembly was held on 24 January 1950, where the members signed two handwritten copies of the document (one in Hindi and one in English) and elected Dr. Rajendra Prasad as the first President of India.

Additional Information

• The Constituent Assembly:
• The assembly was constituted in November 1946 under the scheme formulated by the Cabinet Mission Plan. It consisted of 389 members originally, though this number changed following the partition of India.
• The first meeting took place on 9 December 1946, with Dr. Sachchidananda Sinha acting as the interim President. Later, Dr. Rajendra Prasad was elected as the permanent President on 11 December 1946.
• The Drafting Committee:
• Among the various committees of the assembly, the Drafting Committee was the most important. It was set up on 29 August 1947.
• Dr. B.R. Ambedkar served as the Chairman of this committee. Due to his pivotal role in shaping the document, he is known as the 'Father of the Indian Constitution' and the 'Chief Architect of the Constitution of India'.
• National Symbols:
• The National Flag of India was adopted by the assembly on 22 July 1947.
• The National Anthem (Jana Gana Mana) and the National Song (Vande Mataram) were both adopted on 24 January 1950.
• Structural Evolution:
• The Indian Constitution is a "living document." Since its commencement, it has undergone numerous amendments. As of the current data, it features approximately 448 Articles, 25 Parts, and 12 Schedules.

Important Points

• Constitution Day: In 2015, the Government of India decided to celebrate 26 November every year as 'Constitution Day' (or Samvidhan Divas) to promote constitutional values among citizens and as a tribute to Dr. B.R. Ambedkar on his 125^th birth anniversary.
• Immediate Enforcement: Although the major part of the Constitution came into force on 26 January 1950, certain provisions relating to Citizenship (Articles 5, 6, 7, 8, 9), Elections (Article 324), Provisional Parliament, and temporary/transitional provisions were given effect immediately on 26 November 1949.
• Objective Resolution: The philosophy of the Constitution was based on the 'Objective Resolution' moved by Jawaharlal Nehru on 13 December 1946, which later became the Preamble.
• Calligraphy: The original Constitution was not printed but handwritten and calligraphed in both Hindi and English by Prem Behari Narain Raizada. The pages were decorated and illuminated by artists from Shantiniketan, including Nandlal Bose.

The correct answer is Aparna Sen.

Key Points

• The veteran director and actor Aparna Sen was honored with the Lifetime Achievement Award at the opening ceremony of the 15^th edition of the Jaipur International Film Festival (JIFF). Hence, the statement regarding the recipient is correct.
• The award ceremony took place on January 6, 2023, in the city of Jaipur, also known as the Pink City.
• Aparna Sen was recognized for her outstanding contribution to Indian cinema, spanning several decades as both a performer and a filmmaker.
• During the opening ceremony, noted screenplay writer Kamlesh Pandey and other dignitaries from the film industry were present to grace the occasion.
• The 15^th edition of JIFF featured the screening of 282 films from 63 countries, highlighting the global reach of the festival held in Rajasthan.

Additional Information

• Aparna Sen:
• She made her acting debut in 1961 with the film Teen Kanya, directed by the legendary Satyajit Ray.
• Her directorial debut was the film 36 Chowringhee Lane in 1981, for which she won the National Film Award for Best Direction.
• Over her career, she has won nine National Film Awards and several international honors.
• She was awarded the Padma Shri, India's fourth-highest civilian award, in the year 1987 by the Government of India.
• Some of her notable films include Mr. and Mrs. Iyer (2002), Paromitar Ek Din (2000), and The Japanese Wife (2010).
• Jaipur International Film Festival (JIFF):
• The festival was first launched in 2009 and has since become a significant event in the international film circuit.
• The primary objective of JIFF is to promote new directors and encourage the exchange of knowledge and information between the Indian film industry and the global film fraternity.
• It serves as a platform for independent filmmakers to showcase their talent in various categories, including feature films, short films, and documentaries.

Important Points

• The 15^th edition of the festival specifically focused on the theme of "Films from the Desert" and promoting Rajasthani cinema on a global stage.
• In 2023, the festival received more than 3,000 entries from over 80 countries, out of which a selected few were screened during the five-day event.
• The Lifetime Achievement Award is the highest honor bestowed by the festival committee to individuals who have dedicated their lives to the growth and enrichment of the cinematic arts.

The correct answer is Arvind Mandloi.

Key Points

• The book titled "Jadunama" is a detailed biographical account of the life and creative journey of the veteran Indian lyricist, poet, and screenwriter Javed Akhtar.
• It was authored by Arvind Mandloi and was officially released in January 2023 at an event in New Delhi. Hence, statement 1 is correct.
• The title "Jadunama" is derived from Javed Akhtar's childhood nickname, "Jadu". The book captures his transition from a struggling young man in Mumbai to becoming one of the most celebrated figures in Indian Cinema.
• Arvind Mandloi is a noted writer and journalist who has focused on documenting the lives of influential personalities in the field of art and literature.
• The other options mentioned, Rajat Tiwari, Rajesh Vyas, and Vinay Kumar, are not associated with the authorship of this specific book. Hence, statements 2, 3, and 4 are incorrect.

Additional Information

• Javed Akhtar's Legacy: Born on 17^th January 1945 in Gwalior, he belongs to a family of poets. He is the son of Jan Nisar Akhtar, a legendary Urdu poet.
• Awards and Honors: Javed Akhtar has been honored with the Padma Shri in 1999, the Padma Bhushan in 2007, and the Sahitya Akademi Award in 2013 for his Urdu poetry collection "Lava".
• International Recognition: In 2020, he became the first Indian to win the prestigious Richard Dawkins Award for his work on secularism, rationalism, and human rights.
• Versatility: Beyond films, he is a former member of the Rajya Sabha (nominated in 2010) and is known for his vocal stance on social issues and secularism in India.
• Collaborations: He was famously one half of the Salim-Javed duo, which revolutionized Bollywood storytelling in the 1970s with movies like Zanjeer and Sholay.

Important Points

• Theme of Jadunama: The book acts as a treasure trove for lovers of literature and cinema, providing insights into Javed Akhtar's wit, philosophy, and his poetic brilliance.
• Publication: The book provides a historical context to the evolution of lyrics and dialogue writing in Hindi films over the last five decades.
• Age and Location: Javed Akhtar moved to Bombay (now Mumbai) at a young age in the mid-1960s with almost no money, a period of struggle that is vividly described by Arvind Mandloi.
• Cultural Impact: Jadunama highlights how Javed's work reflects Indian culture while simultaneously challenging superstition and promoting logical thinking.
• Applications: Such biographies serve as educational material for students of mass communication, creative writing, and Indian studies.

The correct answer is Indore.

Key Points

• The 7^th edition of the Global Investors Summit (GIS) was held in Indore, which is known as the commercial capital of Madhya Pradesh.
• The event took place on January 11 and 12, 2023, at the Brilliant Convention Centre.
• The theme for the 2023 summit was 'Madhya Pradesh - The Future Ready State', highlighting the state's potential in various industrial sectors. Hence, the option mentioning Indore is correct.
• The summit was virtually inaugurated by Prime Minister Narendra Modi, who emphasized the state’s role as an investment destination due to its strategic location and infrastructure.
• The primary objective of the summit was to showcase the investment potential of Madhya Pradesh and to attract domestic and foreign investments to boost the state's economy.

Additional Information

• Global Participation: The summit saw participation from over 84 countries, including 447 international delegates and CEOs from various multinational corporations.
• Partner Countries: Several nations served as partner countries for the event, including Japan, Canada, the UAE, Mauritius, Guyana, Panama, and Suriname.
• Sectors in Focus: Key sectors highlighted for investment included Pharmaceuticals, Information Technology (IT), Automobiles, Renewable Energy (Solar and Wind), Textiles, and Agriculture/Food Processing.
• Indore’s Reputation: Indore was selected as the host not only for its commercial significance but also for its status as the cleanest city in India, having secured the first rank in the Swachh Survekshan survey for several consecutive years.
• Economic Vision: The event was aligned with the Government of India's vision of making the country a $5 trillion economy and the state's goal of contributing significantly through industrialization.

Important Points

• Pravasi Bharatiya Divas: The Global Investors Summit 2023 was uniquely positioned immediately following the 17^th Pravasi Bharatiya Divas (PBD) convention, which was also held in Indore from January 8 to 10, 2023.
• Carbon Neutrality: This summit was significant as it was touted as a 'Carbon Neutral' event, focusing on environmental sustainability and green energy.
• Buyer-Seller Meets: The summit facilitated over 2,500 Business-to-Business (B2B) and Government-to-Business (G2B) meetings to foster partnerships and Memorandums of Understanding (MoUs).
• Madhya Pradesh's Growth: The Chief Minister of Madhya Pradesh at the time, Shivraj Singh Chouhan, highlighted that the state offered a single-window clearance system and Ease of Doing Business to support new startups and industries$.

The correct answer is option 2. The detailed solution will be updated soon.

The correct answer is option 1. The detailed solution will be updated soon.

The correct answer is option 1. The detailed solution will be updated soon.

The correct answer is Option 4.

Key Points

• The paragraph discusses the conflict within individuals as the central theme of art and narrative fiction.
• Sentence Q is the first sentence as it introduces the main idea of how art and fiction stem from internal conflicts:
• "Most of our art, fiction and narrative fiction comes from a conflict within a person."
• Sentence S follows as it elaborates on how this conflict drives the narrative and speech of characters:
• "It forms every sentence and line the character says, it exemplifies the conflict of our existence."
• Sentence R is the third sentence because it provides an example to support the idea, referencing specific characters like Vijay Chauhan:
• "Take, for example, Vijay Chauhan or any of the other Angry Young Man characters."
• Sentence P is the fourth as it explains the emotional conflict these characters experience, making the narrative compelling:
• "The man wants acceptance and love, but rejects it outwardly."
• The correct sequence is QSRP.

Coherent paragraph after rearrangement:

"Most of our art, fiction and narrative fiction comes from a conflict within a person. It forms every sentence and line the character says, it exemplifies the conflict of our existence. Take, for example, Vijay Chauhan or any of the other Angry Young Man characters. The man wants acceptance and love, but rejects it outwardly."

The correct answer is 'otherwise'.

Key Points

• The word "otherwise" is used to indicate the consequence of not following a certain action or advice.
• In the given sentence, "otherwise" fits logically and contextually to show the consequence of not working harder.
• Options 1, 2, and 3 do not provide the correct meaning in this context.

Therefore, the correct answer is Option 4.

Complete Sentence: "She told me that I need to work harder, otherwise, I will get fired this time."

Additional Information

• Option 1: "because" is incorrect because it does not indicate a consequence.
• Option 2: "moreover" is incorrect because it suggests adding information rather than indicating a consequence.
• Option 3: "instead" is incorrect because it suggests substitution rather than a consequence.

The correct answer is 'from'.

Key Points

• The preposition "from" is used to indicate abstaining or refraining in this context.
• The sentence implies a request or instruction to avoid a specific action (talking) while in the library.
• Options 1, 2, and 4 are grammatically incorrect or contextually unsuitable.

Therefore, the correct answer is Option 3.

Complete Sentence: "Please refrain from talking while you are in the library."

Additional Information

• Option 1: "with" is incorrect because "refrain with" is not a valid construction.
• Option 2: "of" is incorrect because "refrain of" does not convey the intended meaning.
• Option 4: "for" is incorrect because "refrain for" is not appropriate in this context.

The correct answer is Option 2.

Key Points

• The given sentence is in passive voice: "The bus was being driven by a short, stout man."
• To convert the sentence to active voice, the subject "a short, stout man" becomes the doer of the action.
• The verb "was being driven" changes to "was driving" to reflect the active voice structure.
• The object "the bus" remains the same but shifts to the end of the sentence.

Therefore, the correct answer is Option 2.

Correct Sentence: "A short, stout man was driving the bus."

Additional Information

• Option 1: "A short, stout man drove the bus." – Incorrect tense (past simple).
• Option 3: "A short, stout man is driving the bus." – Incorrect tense (present continuous).
• Option 4: "A short, stout man drives the bus." – Incorrect tense (present simple).

The correct answer is Option 3.

Key Points

• Passive voice structure: The object of the active voice sentence becomes the subject of the passive voice sentence.
• In the active voice, the sentence is: "Who ordered this pizza?"
• To convert to passive voice: Start with "By whom" as it matches the interrogative sentence structure.
• Change the active verb form "ordered" to "was ordered" (past simple passive).
• Ensure the object "this pizza" follows the passive verb form to maintain the sentence meaning.

Therefore, the correct answer is Option 3.

Correct Sentence: "By whom was this pizza ordered?"

Additional Information

• Option 1: "By whom is this pizza ordered?" – Incorrect tense (present simple passive).
• Option 2: "By whom has this pizza been ordered?" – Incorrect tense (present perfect passive).
• Option 4: "By whom had this pizza been ordered?" – Incorrect tense (past perfect passive).

The correct answer is Option 2.

Key Points

• Direct to Indirect Speech Conversion: When converting direct speech to indirect speech, changes are made in the tense, pronouns, and sometimes the words to suit the context of the sentence.
• Tense Change: In the given sentence, "They sold jewellery at the fair," the verb "sold" is in the simple past tense. According to the rules of indirect speech, the simple past tense is converted into the past perfect tense ("had sold").
• Pronoun Change: Since the speaker is referring to "they," the pronoun remains unchanged in indirect speech.
• Reporting Verb: The reporting verb "said" is followed by "that" in indirect speech, connecting the reporting clause to the reported clause.

Correct Sentence: I said that they had sold jewellery at the fair.

Additional Information

• Option 1: "I said that they were selling jewellery at the fair."
• Incorrect tense conversion: "sold" should be converted to "had sold," not "were selling."
• Option 3: "I said that they are selling jewellery at the fair."
• Incorrect tense: "are selling" is in the present continuous, which does not match the past context of "sold."
• Option 4: "I said that they have sold jewellery at the fair."
• Incorrect tense: "have sold" is in the present perfect, whereas the correct conversion for "sold" is past perfect ("had sold").

The correct answer is '
Option 2'
.

Key Points

• The sentence talks about the need to improve the life of the majority by aligning the growth process to make it less damaging.
• The correct form of the phrase should convey that the growth process becomes less damaging, not "few damaging" or "less damaged."
• Option 2, "So that it is less damaging," correctly conveys the intended meaning and fits grammatically within the sentence.

Therefore, the correct answer is Option 2.

Complete Sentence: "Any improvement in the life of the majority would require a re-alignment of the growth process so that it is less damaging."

Additional Information

• Option 1: "So that they are less damaging" is incorrect because "they" refers to the majority, not the growth process, which is the subject of discussion.
• Option 3: "So that it is less damaged" is incorrect because "less damaged" implies a past state of damage rather than an ongoing process.
• Option 4: "No improvement" is incorrect because the original phrase "so that it is few damaging" is grammatically incorrect and unclear.

The correct answer is '4'.

Key Points

• The phrase "drew up" is correct and commonly used in English to describe a vehicle stopping or arriving at a specific location.
• The context of the sentence indicates that the car arrived outside an inn, which matches the meaning of "drew up."
• Options 1, 2, and 3 are incorrect because they either change the meaning or do not fit the context:
• Option 1: "drew down" does not make sense in this context.
• Option 2: "drew into" implies entering a location, which is not stated in the sentence.
• Option 3: "drew off" implies moving away, which contradicts the context.

Therefore, the correct answer is Option 4.

Complete Sentence: "At half past twelve, the car drew up outside an old inn, and they all trooped in."

Additional Information

• Option 1: "drew down" is incorrect because it does not convey the idea of a vehicle stopping or arriving.
• Option 2: "drew into" is incorrect because it implies entering a location, which is not relevant here.
• Option 3: "drew off" is incorrect because it implies moving away from a location.

The correct answer is option 4. The detailed solution will be updated soon.

The correct answer is option 3. The detailed solution will be updated soon.

The correct answer is Option 2.

Key Points

• Direct Speech: The given sentence is in direct speech where Radheshaym expresses his desire to meet her father for a marriage proposal.
• Conversion to Indirect Speech:
• The reporting verb "said to" changes to "told" because the sentence is directed towards "her."
• The pronoun "I" changes to "he" to maintain consistency with third-person narration.
• The verb "want" changes to "wanted" because the original sentence is in past tense.
• The possessive pronoun "your" changes to "her" to match indirect speech narration.
• Correct Sentence Construction:
• The indirect speech format removes quotation marks and adjusts the sentence structure for reported speech.
• The sentence becomes: "Radheshaym told her that he wanted to meet her father for the marriage proposal."

Therefore, the correct answer is Option 2.

Correct Sentence: Radheshaym told her that he wanted to meet her father for the marriage proposal.

Additional Information

• Option 1: "Radheshaym told her that I want to meet your father for the marriage proposal."
• Incorrect pronoun usage: "I" should be changed to "he" in indirect speech.
• Possessive pronoun "your" should be changed to "her."
• Option 3: "Radheshaym said to her that I wanted to meet your father for the marriage proposal."
• Incorrect reporting verb: "said to" should be "told" in indirect speech.
• Incorrect pronoun usage: "I" should be changed to "he" and "your" to "her."
• Option 4: "Radheshaym told her that he has wanted to meet her father for the marriage proposal."
• Incorrect verb tense: "has wanted" should be "wanted" to match the past tense narration.

The correct answer is Option 4.

Key Points

• Direct to Indirect Speech Conversion:
• The reporting verb "said to" is changed to "told" in indirect speech.
• In indirect speech, quotation marks are removed, and the sentence is restructured using "that."
• The pronoun "you" is changed to "me" to match the perspective of the reported speech.
• Modal verb "shall" is replaced with "would" to maintain the future tense in indirect speech.
• Correct Structure:
• Direct Speech: The hotel manager said to me, “If you don’t clean the floor properly, I shall throw you out.”
• Indirect Speech: The hotel manager told me that if I did not clean the floor properly, he would throw me out.
• Grammar Rules:
• The present tense "do not clean" is changed to past tense "did not clean" in indirect speech.
• The modal verb "shall" is replaced with "would" in accordance with the rules of indirect speech.
• The sentence maintains conditional structure with "if" and correct verb agreement.

Therefore, the correct answer is Option 4.

Correct Sentence: The hotel manager told me that if I did not clean the floor properly, he would throw me out.

Additional Information

• Option 1: "The hotel manager told me if I did not clean the floor properly, he will throw me out."
• Incorrect tense: "will" should be changed to "would" in indirect speech.
• Option 2: "The hotel manager told me that if he did not clean the floor properly, I would throw him out."
• Incorrect pronouns: Changes the subject and object, altering the meaning.
• Option 3: "The hotel manager asked me if I do not clean the floor properly, he would throw me out."
• Incorrect reporting verb: "asked" does not fit the context of the sentence.
• Incorrect tense: "do not clean" should be "did not clean" in indirect speech.

The correct answer is Option 3.

Key Points

• The error in the sentence is twofold: tense inconsistency and subject-verb agreement.
• Tense: When a sentence uses the phrase "By the time" followed by a verb in the simple past tense ("countermanded"), the subsequent action that happened earlier must be in the Past Perfect Tense ("had + past participle").
• Subject-Verb Agreement: The subject "a few helicopters" is plural, which would require the plural verb "have" in the present or "had" in the past. The use of the singular "has" is incorrect.
• Therefore, "has already touched down" must be changed to "had already touched down" to maintain grammatical logic.

Therefore, the correct answer is Option 3.

Correct Sentence: "By the time the colonel countermanded his soldiers not to land in enemy territory, a few helicopters had already touched down amid heavy gunfire."

Additional Information

• Option 1: "By the time the colonel countermanded..." – This part is correct; "countermand" means to revoke a previous order, and it is used here in the simple past.
• Option 2: "not to land in enemy territory, a few helicopters" – This part is grammatically acceptable as the object clause of the colonel's action, and the comma correctly separates the dependent clause from the main clause.
• Option 4: "No Error" – This is incorrect because Part 3 contains a clear violation of tense and agreement rules.
• Verb Usage: Remember that Past Perfect (had + V3) is used for the "earlier of two past actions." Here, the helicopters landed before the colonel could stop them.

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

Key Points

• The sentence begins with the introductory phrase "The Russians wanted," which requires a direct object to complete the thought.
• Part (Q) "their own language" provides that object, followed by part (S) "to take the place of Polish language," which explains the intent of the subject.
• The word "because" in part (P) introduces the reason for this desire, identifying "their teachers" as the subject of the subordinate clause.
• Part (R) "were forbidden to teach" acts as the verb phrase for the teachers, which logically connects to the final fixed sentence (6) "the Polish language."

Therefore, the correct answer is QSPR.

Additional Information

• Option 2 (SPQR): This sequence results in "The Russians wanted to take the place of Polish language their own language because..." which is grammatically incorrect due to the misplaced direct object.
• Option 3 (RPSQ): This leads to "The Russians wanted were forbidden to teach because their teachers..." which creates a double verb conflict and lacks a coherent subject-verb-object structure.
• Option 4 (PQRS): This starts with "The Russians wanted because their teachers..." which is an awkward construction that separates the verb "wanted" from its object by a causal clause too early in the sentence.

The correct answer is option 1. The detailed solution will be updated soon.

The correct answer is option 1.

Key Points

• Cortege is correctly spelled.
• A cortege refers to a solemn procession, often associated with a funeral. (शोक जुलूस)
• Example: The cortege followed the hearse to the cemetery.

Additional Information

Let’s understand the meanings of the other options:

• Damage: Harm or injury caused to something. (क्षति)
• Example: The storm caused severe damage to the crops.
• Mileage: The distance traveled in miles or the fuel efficiency of a vehicle. (माइलेज)
• Example: This car gives excellent mileage.
• Plumage: A bird’s feathers collectively. (पंख)
• Example: The peacock’s plumage is incredibly vibrant and colorful.

The correct answer is option 3. The detailed solution will be updated soon.

The correct answer is 4.

Key Points

• An alpha particle is identical to the nucleus of a Helium-4 atom, which consists of two protons and two neutrons bound together.
• The term nucleons refers to the total number of particles present within an atomic nucleus, specifically the sum of protons and neutrons.
• Since an alpha particle contains 2 protons and 2 neutrons, the total number of nucleons it possesses is 4. Hence, the option stating 4 is correct.
• Because it lacks electrons, the alpha particle carries a double positive charge, denoted as +2e or He²⁺.
• The mass of an alpha particle is approximately 4.0015 atomic mass units (amu), which is roughly 6.644 × 10⁻²⁷ kg.

Additional Information

• Discovery: Alpha particles were first identified and named by Ernest Rutherford in 1899 during his investigation into the phenomenon of radioactivity.
• Alpha Decay: This is a process where an unstable atomic nucleus emits an alpha particle to transform into a more stable nucleus with an atomic number reduced by 2 and a mass number reduced by 4.
• Ionizing Power: Alpha particles have very high ionizing power due to their large mass and charge, meaning they can easily knock electrons off other atoms they encounter.
• Penetrating Power: Conversely, they have very low penetrating power. They can be stopped by a single sheet of paper, a few centimeters of air, or the outer layer of human skin.
• Applications: They are utilized in smoke detectors, where a tiny amount of Americium-241 ionizes the air to create an electric current that is disrupted by smoke particles.

Important Points

• Gold Foil Experiment: In 1911, Rutherford used alpha particles to bombard a thin gold foil, which led to the discovery that most of the mass of an atom is concentrated in a tiny, dense nucleus.
• Biological Effect: While alpha radiation is harmless outside the body, it is extremely dangerous if ingested or inhaled because the high ionizing power can cause significant damage to DNA and living tissues.
• Comparison: Unlike beta particles (which are high-speed electrons or positrons) or gamma rays (which are high-energy photons), alpha particles are the heaviest and most charged form of common nuclear radiation.
• Nuclear Symbol: In nuclear chemistry, an alpha particle is often represented by the symbol ⁴₂He or the Greek letter α.

The correct answer is Au.

Key Points

• The mixture mentioned in the question, consisting of concentrated Hydrochloric acid (HCl) and concentrated Nitric acid (HNO3) in a 3:1 ratio by volume, is known as Aqua Regia.
• Aqua Regia is a Latin term meaning "Royal Water," so named because of its unique ability to dissolve noble metals such as Gold (Au) and Platinum (Pt), which are otherwise resistant to individual acids.
• In the experiment described, test tubes A and B likely contained the individual concentrated acids (HCl or HNO3), where the metal remained unchanged. However, in test tube C, the combination of these acids created the highly reactive Aqua Regia, which successfully dissolved the metal.
• The metal in test tube C is Gold (Au). While Platinum (Pt) also dissolves in Aqua Regia, Gold is the most common example used in educational contexts to demonstrate this specific chemical property.
• The dissolution occurs because Nitric acid acts as a powerful oxidizing agent that reacts with Hydrochloric acid to produce nitrosyl chloride (NOCl) and nascent chlorine, which then react with the Gold to form a soluble complex.

Additional Information

• Chemical Reaction and Composition:
• Aqua Regia must be prepared fresh because it decomposes quickly. The reaction between concentrated HCl and concentrated HNO3 produces Nitrosyl chloride (NOCl), Water (H2O), and Chlorine (Cl2).
• The Nascent Chlorine and Nitrosyl chloride are the active species that attack the Gold atoms. The final product when Gold dissolves is Chloroauric acid (HAuCl4), which is soluble in water.
• For Platinum, the reaction produces Chloroplatinic acid (H2PtCl6). This property is extensively used in the refining and purification of high-purity Gold and Platinum.
• Comparison with Other Metals:
• Aluminum (Al): This metal is highly reactive but forms a protective oxide layer. It reacts with HCl to form Aluminum chloride and Hydrogen gas. However, in concentrated Nitric acid, it becomes passive due to the rapid formation of a thick oxide film.
• Copper (Cu): Copper does not react with dilute HCl because it is below hydrogen in the reactivity series, but it reacts readily with both dilute and concentrated Nitric acid to form Copper nitrate and oxides of nitrogen. Since the metal in tubes A and B "did not change," Copper is excluded.
• Noble Metals: These are metals that are resistant to corrosion and oxidation in moist air. Gold and Platinum are the primary examples. They do not react with concentrated HCl or concentrated HNO3 individually, making Aqua Regia the essential reagent for their processing.
• Physical Properties and Safety:
• Aqua Regia is a fuming, highly corrosive liquid. It typically appears yellow-orange or reddish in color due to the presence of dissolved Nitrosyl chloride and Nitrogen dioxide.
• It is extremely dangerous to handle and can cause severe chemical burns. It also releases toxic vapors like Nitrogen dioxide (NO2), requiring it to be used in a well-ventilated fume hood.
• In industrial applications, it is used in the Wohlwill process to refine Gold to 99.999% purity and in laboratory settings for cleaning glassware of organic compounds and metal particles.

Important Points

• The 3:1 ratio specifically refers to 3 parts Hydrochloric acid to 1 part Nitric acid. Reversing this ratio or changing the concentration significantly reduces its ability to dissolve noble metals.
• While Gold (Au) and Platinum (Pt) are the most famous metals dissolved by this mixture, other elements like Palladium also dissolve in it. However, some metals like Iridium, Ruthenium, Rhodium, and Tantalum are resistant to Aqua Regia at room temperature.
• The Year 1940 historical fact: During World War II, chemist George de Hevesy dissolved the Gold Nobel Prize medals of Max von Laue and James Franck in Aqua Regia to prevent the Nazis from stealing them. After the war, the Gold was recovered from the solution and recast by the Nobel Foundation.

p>The correct answer is 16 October.

Key Points

• World Food Day is an international day celebrated every year worldwide on 16 October to commemorate the date of the founding of the United Nations Food and Agriculture Organization (FAO) in 1945.
• The day is observed by many other organizations concerned with hunger and food security, including the World Food Programme (WFP) and the International Fund for Agricultural Development (IFAD).
• It was established by FAO's Member Nations at the Organization's 20^th General Conference in November 1979. The Hungarian Delegation, led by the former Hungarian Minister of Agriculture and Food, Dr. Pál Romány, played an active role during the session and suggested the idea of celebrating the WFD worldwide.
• The primary objective of this day is to raise global awareness and action for those who suffer from hunger and to ensure healthy diets for all. It aligns with the United Nations Sustainable Development Goal 2 (SDG 2), which aims to achieve "Zero Hunger" by the year 2030.
• Since 1981, World Food Day has adopted a different theme each year in order to highlight areas needed for action and provide a common focus, such as food security, biodiversity, or climate change.

Additional Information

• 5 June:
• This date marks the celebration of World Environment Day (WED). It is the United Nations' principal vehicle for encouraging awareness and action for the protection of the environment.
• First held in 1974, it has been a platform for raising awareness on environmental issue such as marine pollution, overpopulation, global warming, sustainable consumption, and wildlife crime.
• 10 August:
• World Biofuel Day is observed on this day every year to create awareness about the importance of non-fossil fuels as an alternative to conventional fossil fuels.
• This day also honors the research experiments by Sir Rudolf Diesel who ran an engine with peanut oil in the year 1893.
• Additionally, 10 August is celebrated as World Lion Day to raise awareness about the conservation of lions.
• 14 December:
• In India, National Energy Conservation Day is celebrated on 14 December. It is organized by the Bureau of Energy Efficiency (BEE), which operates under the Ministry of Power.
• The Energy Conservation Act was implemented by the Government of India in the year 2001. Since then, the day has been used to showcase India's achievements in energy efficiency and conservation.

Important Points

• Food and Agriculture Organization (FAO):
• It is a specialized agency of the United Nations that leads international efforts to defeat hunger and improve nutrition and food security.
• Its Latin motto, "Fiat panis", translates to "let there be bread".
• The headquarters of the FAO is located in Rome, Italy. It was originally founded in Quebec City, Canada, on 16 October 1945.
• As of 2024, the Director-General of the FAO is Qu Dongyu from China.
• World Food Programme (WFP):
• Established in the year 1961, it is the world's largest humanitarian organization.
• The WFP was awarded the Nobel Peace Prize in the year 2020 for its efforts to combat hunger and its contribution to bettering conditions for peace in conflict-affected areas.

The correct answer is Receiving infected blood.

Key Points

• Hepatitis is a medical condition defined by the inflammation of the liver tissue. While it can be caused by alcohol, toxins, or autoimmune diseases, it is most commonly caused by a group of viruses (Hepatitis A, B, C, D, and E).
• Receiving infected blood is one of the most critical factors for the spread of Hepatitis B (HBV), Hepatitis C (HCV), and Hepatitis D (HDV). Transmission occurs when blood from a person infected with these viruses enters the body of someone who is not infected. Hence, this is a correct factor.
• The transmission often happens through blood transfusions (if not screened), unsterile needles or syringes, and medical equipment that has not been properly disinfected.
• Consumption of contaminated water is the primary factor for the spread of Hepatitis A (HAV) and Hepatitis E (HEV). These are usually transmitted through the fecal-oral route, meaning the virus is ingested via water or food contaminated with the feces of an infected person.
• The bite of a mosquito is not a mode of transmission for any form of Hepatitis. Mosquitoes are vectors for diseases such as Malaria, Dengue, Yellow Fever, and Zika, but they do not carry or transmit the Hepatitis virus. Hence, this statement is incorrect.
• Touching or casual contact, such as shaking hands, hugging, sneezing, or sharing a meal, does not spread the Hepatitis virus (specifically B and C). The virus is not airborne or transmitted through skin-to-skin contact. Hence, this statement is incorrect.

Additional Information

• Types of Viral Hepatitis:
• Hepatitis A (HAV): Usually an acute (short-term) infection. It is highly contagious and spreads through contaminated food and water. Vaccines are available to prevent HAV.
• Hepatitis B (HBV): Can be both acute and chronic. It is a DNA virus spread through blood, semen, and other body fluids. It is a major cause of liver cirrhosis and liver cancer. A highly effective vaccine is available.
• Hepatitis C (HCV): Primarily a blood-borne virus. Most people with HCV develop a chronic infection. Unlike A and B, there is currently no vaccine for Hepatitis C, but antiviral medications can cure most cases.
• Hepatitis D (HDV): Known as "Delta Hepatitis," it only occurs in people who are already infected with Hepatitis B. It is transmitted through contact with infected blood.
• Hepatitis E (HEV): Mainly found in developing countries and is spread via contaminated water. It is particularly dangerous for pregnant women.
• Symptoms and Diagnosis: Common symptoms include Jaundice (yellowing of the skin and eyes), dark urine, extreme fatigue, nausea, and abdominal pain. Diagnosis is usually confirmed through blood tests (HBsAg, Anti-HCV, etc.) and liver function tests.
• Prevention and Global Initiatives:
• World Hepatitis Day is observed annually on July 28 to raise awareness. This date was chosen to honor the birthday of Dr. Baruch Blumberg, who discovered the Hepatitis B virus in 1967 and developed the first vaccine.
• The World Health Organization (WHO) aims to eliminate viral hepatitis as a public health threat by 2030.

Important Points

• Organ Affected: The liver is the primary organ affected by the Hepatitis virus. The liver is the largest gland in the human body and is responsible for detoxification, protein synthesis, and the production of bile.
• Infection Stats: According to WHO, billions of people have been infected with HBV, and hundreds of millions live with chronic liver infections.
• Treatment: While acute Hepatitis (A and E) often requires supportive care (rest and hydration), chronic Hepatitis (B and C) requires long-term antiviral therapy to prevent liver damage.

The correct answer is Moist waste.

Key Points

• Biodegradable waste consists of organic matter that can be broken down into simpler molecules by natural decomposers such as bacteria, fungi, and other microorganisms.
• In standard waste management practices, especially in India, biodegradable waste is commonly referred to as Moist waste or Wet waste because it predominantly contains kitchen remains and organic materials with high moisture content.
• Dry waste refers to non-biodegradable materials that can often be recycled, such as plastic, paper, glass, and metals. Hence, the statement that biodegradable waste is known as dry waste is incorrect.
• Raw waste is a general term used for any type of waste that has not yet been processed or treated, but it is not a specific synonym for biodegradable waste. Hence, the statement that biodegradable waste is known as raw waste is incorrect.
• Moist waste is the correct classification for organic, biodegradable materials like vegetable peels and food scraps in the source segregation process. Hence, the statement that biodegradable waste is known as moist waste is correct.
• Compositing (often a misspelling of Composting) is the biological process of converting organic waste into manure or humus, rather than being a name for the waste itself. Hence, this option is incorrect.

Additional Information

• Solid Waste Management Rules, 2016: These rules, notified by the Ministry of Environment, Forest and Climate Change in India, mandate the segregation of waste at the source into three streams: Wet (Biodegradable), Dry (Non-biodegradable), and Domestic Hazardous Waste.
• Characteristics of Moist Waste: This category typically includes kitchen waste, fruit peels, rotten food, garden waste (leaves and grass), and meat remains. These items have a high organic carbon content.
• Decomposition Process: When Moist waste undergoes decomposition in the presence of oxygen, it is called Aerobic Composting. If it decomposes in the absence of oxygen, it is known as Anaerobic Digestion, which produces Biogas.
• Environmental Impact: If biodegradable waste is not managed properly and ends up in landfills, it generates Methane (CH4), a potent greenhouse gas that is approximately 25 times more effective at trapping heat than Carbon Dioxide (CO2).
• Applications: The primary application of processed moist waste is the production of Organic Compost, which enhances soil fertility and reduces the dependency on chemical fertilizers in agriculture.

Important Points

• Swachh Bharat Mission: Launched on October 2, 2014, this national campaign emphasized the "Two-Bin" system, utilizing Green Bins for Moist/Wet waste and Blue Bins for Dry waste to facilitate easier processing.
• Recyclability of Paper: Although Paper is technically biodegradable, it is classified as Dry waste in municipal collection because if it becomes soiled by Moist waste, its recycling value decreases significantly.
• Waste-to-Energy: Advanced facilities use Moist waste in Biomethanation plants to generate electricity and fuel, contributing to renewable energy targets.
• Global Statistics: According to World Bank reports, organic waste (Moist waste) makes up nearly 50% of the total Municipal Solid Waste (MSW) generated globally, especially in low and middle-income countries.

The correct answer is Evolution.

Key Points

• Evolution is defined as the change in the heritable characteristics of biological populations over successive generations. It relies entirely on the presence of genetic variation within a population, as Natural Selection can only act on existing differences to favor traits that provide a survival advantage. Hence, statement 1 is correct.
• Asexual reproduction is a mode of reproduction where offspring arise from a single organism and inherit the genes of that parent only. This process typically results in genetically identical clones, meaning it does not necessitate or rely on heritable variation for its basic function. Hence, statement 2 is incorrect.
• Mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus. Its primary role is growth, tissue repair, and maintaining genetic stability, rather than requiring or promoting variation. Hence, statement 3 is incorrect.
• Meiosis is a specialized form of cell division that reduces the chromosome number by half, creating four haploid cells. While meiosis is a major mechanism that generates variation through crossing over and independent assortment, the biological process itself does not "require" pre-existing heritable variation to occur. Hence, statement 4 is incorrect.

Additional Information

• Charles Darwin and Alfred Russel Wallace: In 1858, they jointly proposed the theory of evolution by natural selection. Darwin's seminal work, "On the Origin of Species," published in 1859, provided extensive evidence that variation is the raw material for evolutionary change.
• Sources of Heritable Variation: The primary sources include Mutation (permanent changes in the DNA sequence), Gene Flow (transfer of alleles between populations), and Sexual Reproduction (mixing of parental genes). Without these, a population cannot adapt to changing environments.
• Natural Selection: This is the process whereby organisms better adapted to their environment tend to survive and produce more offspring. It acts on the phenotype (physical traits) but leads to changes in the genotype (genetic makeup) over time.
• Genetic Drift: This is a mechanism of evolution involving random fluctuations in the frequencies of alleles from generation to generation due to chance events, particularly in small populations.
• Mendelian Genetics: Gregor Mendel, through his experiments with pea plants in the 1860s, discovered the fundamental laws of inheritance, explaining how traits are passed as discrete units (now called genes).

Important Points

• Fitness: In an evolutionary context, fitness refers to an organism's ability to survive and reproduce, contributing its genes to the next generation.
• Speciation: This is the evolutionary process by which populations evolve to become distinct species. It often occurs due to geographical isolation or reproductive barriers.
• Modern Synthesis: Emerging in the 1930s and 1940s, this scientific movement fused Darwinian selection with Mendelian genetics and population biology, creating a unified theory of evolution.
• Adaptation: A characteristic that has been favored by natural selection and increases the reproductive success of an individual in a specific habitat.
• Allele Frequency: Evolution is often measured as a change in the allele frequency within a gene pool over a specific time period.

The correct answer is Both Central & Peripheral nervous system.

Key Points

• The human nervous system is a complex network of neurons and supporting cells that coordinate body activities and transmit signals between different parts of the body. It is broadly divided into two main parts: the Central Nervous System (CNS) and the Peripheral Nervous System (PNS).
• The Central Nervous System (CNS) serves as the primary processing center for the entire body. It consists of the brain and the spinal cord, which are protected by the cranium and vertebral column, respectively. Hence, the statement that the CNS is part of the nervous system is correct.
• The Peripheral Nervous System (PNS) consists of all the nerves that lie outside the CNS. Its primary function is to connect the CNS to the limbs and organs, essentially serving as a communication relay between the brain and the rest of the body. Hence, the statement that the PNS is part of the nervous system is correct.
• The Somatic Nervous System is actually a functional division of the Peripheral Nervous System. It is responsible for carrying sensory and motor information to and from the CNS, allowing for voluntary body movements via skeletal muscles.
• The correct answer comprises both the Central and Peripheral systems because together they form the complete structural framework of the human nervous system.

Additional Information

• Central Nervous System (CNS) Details:
• The brain is the control center, divided into the forebrain, midbrain, and hindbrain. It regulates cognitive functions, memory, and emotions.
• The spinal cord acts as a pathway for signals traveling between the brain and the body and manages reflex actions.
• Peripheral Nervous System (PNS) Divisions:
• Somatic Nervous System (SNS): This system controls voluntary activities. It consists of afferent (sensory) nerves and efferent (motor) nerves.
• Autonomic Nervous System (ANS): This system regulates involuntary functions such as heart rate, digestion, and respiratory rate.
• Functional Divisions of the ANS:
• Sympathetic Nervous System: Prepares the body for "fight or flight" responses during stressful situations.
• Parasympathetic Nervous System: Helps the body "rest and digest" by maintaining homeostasis and conserving energy.
• Microscopic Structure:
• The basic unit of the nervous system is the neuron (nerve cell). Humans have approximately 86 billion neurons.
• Neurons communicate via electrical impulses and chemical signals across junctions called synapses.

Important Points

• Cranial and Spinal Nerves: The PNS includes 12 pairs of cranial nerves which emerge directly from the brain and 31 pairs of spinal nerves which emerge from the spinal cord.
• Meninges: Both the brain and spinal cord are covered by three layers of protective membranes called meninges: the dura mater, arachnoid mater, and pia mater.
• Cerebrospinal Fluid (CSF): This fluid circulates within the ventricles of the brain and the central canal of the spinal cord, providing buoyancy and protection against mechanical injury.
• Glial Cells: These are non-neuronal cells (such as astrocytes and oligodendrocytes) that provide support, insulation, and nutrients to the neurons.

The correct answer is Ocean.

Key Points

• Methyl bromide, also known as bromomethane (chemical formula CH3Br), is an organobromine compound that exists as a colorless and odorless gas. It is a significant contributor to ozone depletion in the stratosphere.
• The Ocean is identified as the primary natural source of methyl bromide. It is produced biogenically by marine organisms, including phytoplankton, macroalgae (seaweed), and kelp. These biological processes in the marine environment release the gas into the surface waters, which then escapes into the atmosphere. Hence, Option 1 is correct.
• Volcanoes are known to emit various gases such as sulfur dioxide and hydrogen halides, but they are not considered a primary or significant natural source of methyl bromide. Hence, Option 2 is incorrect.
• Landslides are geological events involving the movement of mass and do not involve chemical or biological pathways for the synthesis or release of organobromine compounds like methyl bromide. Hence, Option 3 is incorrect.
• Vegetation, particularly salt marshes, mangroves, and certain terrestrial plants like those in the Brassicaceae family (e.g., rapeseed), does contribute to methyl bromide emissions. However, on a global scale, the oceanic emissions are the most dominant natural reservoir and source. Hence, Option 4 is a source but is secondary to the ocean in the context of primary natural sources.

Additional Information

• Anthropogenic Sources: Apart from natural sources, methyl bromide was historically manufactured in large quantities for use as a pesticide, soil fumigant, and for commodity treatments to control insects, weeds, and pathogens.
• Ozone Depletion: Methyl bromide is an Ozone Depleting Substance (ODS). Once it reaches the stratosphere, it is broken down by ultraviolet (UV) radiation, releasing bromine atoms. A single bromine atom is approximately 40 to 60 times more effective at destroying ozone molecules than a chlorine atom from CFCs.
• Montreal Protocol: Due to its high Ozone Depletion Potential (ODP), the production and use of methyl bromide were strictly regulated and phased out under the Montreal Protocol (1987). Developed countries began the phase-out in 2005, while developing countries followed by 2015.
• Atmospheric Lifetime: Methyl bromide has a relatively short atmospheric lifetime of approximately 0.7 to 0.8 years. It is removed from the air through chemical reactions with hydroxyl radicals (OH) and through uptake by soils and ocean waters.
• Health Hazards: It is highly toxic to humans. Exposure can lead to central nervous system damage, respiratory distress, and neurological symptoms like tremors or seizures.

Important Points

• Quarantine and Pre-shipment (QPS): Despite the general ban, certain exemptions exist under the Montreal Protocol for Quarantine and Pre-shipment applications to prevent the international spread of invasive pests through timber and agricultural exports.
• Global Bromine Budget: Natural emissions from the ocean and coastal wetlands account for a significant portion of the bromine found in the atmosphere, which is essential for scientists to track to understand the recovery of the Ozone Layer.
• Data and Trends: Since the implementation of global regulations, the atmospheric concentration of methyl bromide has declined significantly from its peak in the late 1990s, aiding in the gradual repair of the Antarctic Ozone Hole.

The correct answer is In the purification of water.

Key Points

• Alum, specifically Potash Alum, is a chemical compound widely used in water treatment processes to improve clarity and remove suspended particles. It acts as a coagulant during the primary stages of water purification. Hence, the statement regarding its use in water purification is correct.
• When Alum is added to turbid water, it reacts with the alkalinity present in the water to form a gelatinous precipitate known as aluminum hydroxide. This process is essential for trapping suspended impurities and colloidal matter.
• The primary function of Alum in water is coagulation and flocculation. It neutralizes the negative electrical charge of suspended particles (such as clay, silt, and organic matter), allowing them to stick together and form larger particles called flocs.
• Once these flocs are formed, they become heavy enough to settle at the bottom of the tank through the process of sedimentation. This significantly reduces the turbidity and microbial load of the water before it undergoes filtration and disinfection.
• Alum is chosen for municipal water treatment because it is cost-effective, highly efficient at a wide range of pH levels, and leaves minimal residual toxicity when used in prescribed dosages.

Additional Information

• Chemical Properties and Formula:
• The most common form of Alum is Potassium Aluminum Sulfate, with the chemical formula KAl(SO4)2·12H2O. It is a double salt consisting of potassium and aluminum sulfates crystallized with 12 molecules of water.
• It is colorless, odorless, and has a characteristic astringent taste. It is soluble in water, especially hot water, which facilitates its application in liquid form during industrial processes.
• Medical and Domestic Applications:
• Styptic Action: Alum is widely used as a styptic pencil or block after shaving. Its astringent properties cause blood vessels to contract and proteins to coagulate, which helps in stopping minor bleeding from cuts.
• Food Industry: It is used in pickling recipes as a firming agent to maintain the crispness of fruits and vegetables. It is also an ingredient in some baking powders.
• Deodorant: Due to its antiseptic and astringent properties, Alum is used as a natural deodorant to inhibit the growth of odor-causing bacteria on the skin.
• Industrial Uses:
• Tanning: In the leather industry, Alum is used for mineral tanning, which helps in preserving hides and making them pliable.
• Textiles: It serves as a mordant in dyeing processes. A mordant helps the dye to bind chemically with the fabric fibers, ensuring color fastness.
• Fireproofing: Alum is used in fireproofing textiles and wood products because it releases water of crystallization when heated, which helps to suppress flames.
• Clarification of Other Options:
• Analgesic: These are pain-relieving drugs like Paracetamol or Aspirin. Alum does not possess analgesic properties.
• Fertilizer: While Alum (Aluminum Sulfate) can be used to acidify soil for plants like Hydrangeas, it is not a primary fertilizer like Urea or NPK (Nitrogen, Phosphorus, Potassium).
• Disinfectant: While Alum has mild antibacterial properties, it is not classified as a disinfectant like Chlorine, Bleaching Powder, or Alcohol, which are specifically designed to kill pathogens.

Important Points

• Historical Context: The use of Alum for water clarification dates back thousands of years; ancient Egyptians and Romans utilized various minerals to purify their drinking water.
• Regulatory Guidelines: The World Health Organization (WHO) and Bureau of Indian Standards (BIS) provide specific guidelines for the permissible limits of Aluminum in drinking water, as excessive residual aluminum can have neurological effects.
• Alternative Coagulants: In modern times, other chemicals like Poly Aluminium Chloride (PAC) and Ferric Sulfate are also used as alternatives to Alum depending on the raw water quality and temperature.

The correct answer is Ethylene.

Key Points

• Ethylene is a unique gaseous plant hormone (phytohormone) that is naturally synthesized by ripening fruits, aging leaves, and flowers. It is the only plant hormone that exists in a gaseous state under normal conditions.
• The chemical formula for Ethylene is C2H4, and it is considered the simplest alkene. It acts as a powerful regulator of plant growth and development even at very low concentrations.
• Its primary function is to stimulate the ripening process. It causes the breakdown of chlorophyll, the softening of fruit tissue through the enzymatic degradation of pectin, and the conversion of starches into sugars, making the fruit sweet and palatable.
• Ethylene also plays a vital role in senescence (the biological aging of plant parts) and abscission (the natural detachment of parts like leaves and ripe fruits). It helps the plant respond to environmental stress such as flooding, drought, or mechanical wounding.
• The precursor for the biosynthesis of ethylene in plants is the amino acid known as methionine. The production rate increases significantly during the climacteric stage of fruit development.

Additional Information

• Hexane:
• It is an alkane with the chemical formula C6H14. It is a colorless liquid at room temperature and is primarily used as an industrial solvent.
• In the food industry, it is used to extract edible oils from seeds and vegetables like soybeans and corn. It has no biological function in fruit ripening.
• Ether:
• This refers to a class of organic compounds containing an ether group (an oxygen atom connected to two alkyl or aryl groups).
• Diethyl ether was historically used as a general anesthetic in medical surgeries starting in the 1840s. It is highly volatile and flammable but is not produced by fruits.
• Toluene:
• Also known as methylbenzene, it is a clear, water-insoluble liquid with a smell associated with paint thinners. It is an aromatic hydrocarbon.
• It is widely used as a solvent in paints, lacquers, glues, and printing ink. It is also a precursor for TNT (Trinitrotoluene) and is not a plant hormone.

Important Points

• Climacteric Fruits: These are fruits that exhibit a burst of ethylene production and a sharp increase in respiration during ripening. Examples include bananas, apples, tomatoes, mangoes, and pears.
• Non-Climacteric Fruits: These fruits do not produce large amounts of ethylene and do not ripen further once harvested. Examples include citrus fruits, grapes, strawberries, and watermelon.
• Agricultural Application: A synthetic compound called Ethrephon (or Ethephon) is often used in liquid form by farmers. When sprayed on crops, it is absorbed and releases ethylene gas, allowing for synchronized ripening of tomatoes, coffee berries, and tobacco.
• Discovery: The effect of ethylene on plants was first noted in 1864 when leaks from gas streetlights caused trees to lose their leaves prematurely. Its identity as a natural plant hormone was confirmed in the early 1930s.

The correct answer is All of the above are correct.

Key Points

• Zinc (Zn) is an essential micronutrient required by plants in small quantities for various physiological and metabolic functions. Its deficiency leads to several visible abnormalities in plant growth.
• Malformed leaves: Zinc is crucial for the synthesis of Auxins, specifically Indole Acetic Acid (IAA). A deficiency in zinc results in stunted leaf growth, leading to small, narrow, and distorted leaves, a condition often referred to as "Little Leaf" disease. Hence, statement 1 is correct.
• Bushy habit: Zinc is required for internode elongation. When zinc levels are low, the internodes fail to lengthen properly, causing the leaves to cluster together in a rosette formation. This gives the plant a stunted and bushy appearance. Hence, statement 2 is correct.
• Loss of cambial activity: Zinc plays a role in maintaining the meristematic activity of the plant. In many woody plants, a severe deficiency of zinc can lead to the reduced activity of the cambium, which is responsible for secondary growth, ultimately hindering the development of the plant's vascular system. Hence, statement 3 is correct.
• Since all the symptoms mentioned—malformed leaves, bushy growth habit, and impaired cambial function—are characteristic results of a lack of zinc, the final conclusion is that all the provided statements are accurate. Hence, statement 4 is correct.

Additional Information

• Biological Functions of Zinc: Zinc acts as an activator for several enzymes, including Carbonic Anhydrase, Alcohol Dehydrogenase, and various carboxylases. It is also vital for protein synthesis, DNA replication, and the maintenance of ribosome structure.
• Interveinal Chlorosis: One of the earliest signs of zinc deficiency is chlorosis (yellowing) between the veins of the leaves, while the veins themselves remain green. This usually appears first on older leaves in some species or younger leaves in others, depending on the plant's ability to mobilize the nutrient.
• Specific Deficiency Diseases:
• Khaira disease of Rice: A famous deficiency condition observed in India, particularly in the Terai region, caused by a lack of zinc in the soil.
• White Bud of Maize: Characterized by the emergence of white or pale yellow leaves from the whorl due to extreme zinc deficiency.
• Mottle Leaf: Commonly seen in Citrus fruits, where leaves develop irregular yellow patches.
• Mobility and Soil Facts: Zinc is considered moderately immobile within the plant. Deficiency is most common in alkaline soils (high pH), calcareous soils, or soils with high phosphorus content, which can interfere with zinc uptake by the roots.

Important Points

• Critical Concentration: Plants generally require zinc in concentrations of 25 to 150 ppm in their dry matter. If the concentration falls below 20 ppm, deficiency symptoms typically begin to manifest.
• Zinc Toxicity: While deficiency is common, excessive zinc can also be toxic, often leading to Iron (Fe) deficiency symptoms because zinc competes with iron for uptake.
• Remediation: Farmers and gardeners often treat zinc deficiency by applying Zinc Sulphate (ZnSO4) either directly to the soil or as a foliar spray for quicker absorption. In India, the application of 25 kg/ha of zinc sulphate is a common recommendation for zinc-deficient rice fields.
• Interaction with Other Nutrients: High levels of Phosphorus (P) in the soil can induce zinc deficiency, a phenomenon known as P-induced Zn deficiency, which is a major concern in intensive agriculture.

The correct answer is All of the given options.

Key Points

• Anthracite: This is the highest grade of coal and is characterized by a very high carbon content, ranging between 80% to 95%. It is hard, black, and glossy, providing the highest heating value among all types of coal. In India, it is found in very small quantities, primarily in the Reasi district of Jammu and Kashmir. Hence, option 1 is a correct type of coal.
• Bituminous: This is the most common and widely used variety of coal. It contains a carbon content of approximately 60% to 80%. It is dense and usually black in color. Because of its high calorific value, it is extensively used in power generation and for making coke in the metallurgical industry. Most of the coal reserves in India belong to this category. Hence, option 2 is a correct type of coal.
• Lignite: Often referred to as brown coal, Lignite is a lower-grade coal with a carbon content of about 40% to 55%. It has a high moisture content and low heating value. It is primarily used for electricity generation in thermal power plants. Significant deposits are found in Neyveli in Tamil Nadu. Hence, option 3 is a correct type of coal.
• Peat: While not mentioned as a separate option, it is the first stage of coal formation. It has a low carbon content (less than 40%) and high moisture, resulting in low heating capacity. It is formed by the accumulation of partially decayed organic matter or vegetation.
• Since Anthracite, Bituminous, and Lignite are all recognized classifications based on carbon content and maturity, the cumulative answer includes all three. Hence, the correct answer is All of the given options.

Additional Information

• Formation of Coal: Coal is formed through a biological and geological process called carbonization. Over millions of years, dead plant matter submerged in swampy environments was subjected to intense heat and pressure under the earth's crust, gradually transforming into different stages of coal.
• Coal Resources in India: In the context of India, coal is the primary source of commercial energy. Indian coal is mainly classified into two geological ages: Gondwana coal (about 200 million years old) and Tertiary coal (about 55 million years old). Gondwana coal accounts for 98% of the total reserves and is found in the Damodar Valley (West Bengal-Jharkhand), Mahanadi, and Godavari valleys.
• Major Coal Producing States: The leading producers of coal in India include Jharkhand, Odisha, Chhattisgarh, and West Bengal. The Jharia and Raniganj coalfields are among the oldest and largest in the country.
• Industrial Applications: Coal is used as a fuel for thermal power plants, which generate more than 50% of India's electricity. It is also used as a raw material in the iron and steel industry (metallurgical coal), cement industry, and chemical industries.

Important Points

• Environmental Impact: The burning of coal is a major source of carbon dioxide (CO2) emissions, contributing to global warming and air pollution. It also releases sulfur dioxide and nitrogen oxides.
• Ministry of Coal: In India, the Ministry of Coal has overall responsibility for determining policies and strategies in respect of exploration and development of coal and lignite reserves. Coal India Limited (CIL) is a Maharatna public sector undertaking and the world's largest coal producer.
• Grade of Coal: The grade of coal is determined by its Fixed Carbon, Volatile Matter, and Ash content. Higher fixed carbon and lower moisture/ash content indicate a superior grade like Anthracite.

The correct answer is Rhenium.

Key Points

• Rhenium is a chemical element represented by the symbol Re and carries the atomic number 75 in the Periodic Table.
• It is classified as a transition metal and is located in Group 7 and Period 6 of the table.
• This element was discovered in the year 1925 by German scientists Walter Noddack, Ida Tacke, and Otto Berg, making it one of the last stable elements to be found in nature.
• Rhenium is known for having the third-highest melting point of any element at 3186 °C (5767 °F), surpassed only by tungsten and carbon.
• It possesses a very high density of 21.02 g/cm³, making it one of the densest elements, similar to platinum and iridium.

Additional Information

• Rhodium (Rh):
• Rhodium has the chemical symbol Rh and atomic number 45.
• It is a rare, silvery-white, hard, and corrosion-resistant transition metal belonging to the platinum group.
• Its primary applications include use in catalytic converters for automobiles to reduce nitrogen oxide emissions and in jewelry for plating white gold.
• Rutherfordium (Rf):
• Rutherfordium is represented by the symbol Rf and has the atomic number 104.
• It is a synthetic, highly radioactive element that does not occur naturally and is produced in particle accelerators.
• Named after the famous physicist Ernest Rutherford, it is the first transactinide element.
• Radon (Rn):
• Radon has the symbol Rn and atomic number 86.
• It is a noble gas that is colorless, odorless, and tasteless.
• Radon is radioactive and is produced naturally from the decay of uranium and thorium in soil and rocks. It is a known health hazard as it can accumulate in buildings and cause lung cancer.

Important Points

• Abundance and Source: Rhenium is one of the rarest elements in the Earth's crust, with an average concentration of 1 part per billion (ppb). It is primarily extracted as a by-product of molybdenum and copper mining, specifically from molybdenite ores.
• Industrial Uses: The most significant use of Rhenium is in superalloys. These alloys are highly heat-resistant and are used to manufacture jet engine components, such as turbine blades and exhaust nozzles.
• Catalysis: It acts as an efficient catalyst in the petrochemical industry, particularly in the process of catalytic reforming to produce high-octane lead-free gasoline.
• Global Production: The country of Chile is the world’s leading producer of Rhenium, followed by the United States and Kazakhstan.
• Chemical Properties: In chemistry, Rhenium exhibits a wide range of oxidation states, ranging from -1 to +7, with +7 (as in rhenium heptoxide) being the most common and stable.

The correct answer is Both 1 and 2.

Key Points

• Deforestation is the permanent removal of trees to make room for something besides forest. This can include clearing the land for agriculture, grazing, or using the timber for fuel, construction, or manufacturing.
• Habitats of wild animals: Forests are home to more than 80% of the world's terrestrial species, including animals, plants, and insects. When forests are destroyed, the natural ecosystem is disrupted, leading to habitat fragmentation and the eventual displacement or extinction of wildlife. Many species lose their breeding grounds and food sources, leading to a decline in biodiversity. Statement 1 is correct.
• Medicinal plants: Tropical rainforests alone provide the ingredients for about 25% of all modern medicines. Many plants like Cinchona (source of quinine), Sarpgandha (used for blood pressure), and Neem possess high therapeutic value. Deforestation results in the loss of these botanical resources, some of which may contain cures for diseases that have not yet been fully studied. Statement 2 is correct.
• The loss of forest cover also affects the water cycle and contributes significantly to global warming. Forests act as carbon sinks, and their removal releases Carbon Dioxide (CO2) back into the atmosphere, accelerating the greenhouse effect.
• According to the Food and Agriculture Organization (FAO), an estimated 420 million hectares of forest have been lost through deforestation globally since 1990, although the rate of reduction has decreased in recent years.

Additional Information

• Environmental Consequences:
• Soil Erosion: Trees provide soil stability through their root systems. Without them, the topsoil is easily washed away by rain or blown by wind, leading to desertification and reduced agricultural productivity.
• Climate Change: Forests play a critical role in Carbon Sequestration. Deforestation accounts for nearly 12% to 20% of global greenhouse gas emissions, making it a primary driver of anthropogenic climate change.
• Disruption of the Water Cycle: Trees release water vapor into the atmosphere through transpiration. Clearing forests leads to a decrease in precipitation and can cause localized droughts.
• Indian Context:
• The India State of Forest Report (ISFR) 2021 indicates that India's total forest and tree cover is 80.9 million hectares, which is 24.62% of the geographical area of the country.
• Major biodiversity hotspots in India, such as the Western Ghats and the Eastern Himalayas, face significant pressure from developmental projects and illegal logging.
• The National Forest Policy, 1988 aims to maintain a minimum of 33% of the total land area under forest or tree cover to ensure ecological stability.

Important Points

• Government Legislation and Global Initiatives:
• Forest Conservation Act, 1980: An Act of the Parliament of India enacted to provide for the conservation of forests and for matters connected therewith. It restricts the use of forest land for non-forest purposes without prior central government approval.
• Wildlife Protection Act, 1972: This act provides a legal framework for the protection of various species of wild animals and plants, management of their habitats, and regulation of trade in wildlife products.
• REDD+ (Reducing Emissions from Deforestation and forest Degradation): A United Nations framework that aims to create a financial value for the carbon stored in forests by offering incentives for developing countries to reduce emissions from forested lands.
• Sustainable Development Goal (SDG) 15: This goal focuses on "Life on Land," aiming to protect, restore, and promote sustainable use of terrestrial ecosystems, sustainably manage forests, and halt biodiversity loss.

The correct answer is Sulphur.

Key Points

• Sulphur is the non-metal that exhibits allotropy in the liquid state. While many elements show different forms in the solid state, sulphur's transition through various liquid phases makes it unique.
• When solid rhombic sulphur is heated above its melting point of 114.5 °C, it initially forms a pale yellow, mobile (thin) liquid known as λ-sulphur (lambda-sulphur). This liquid consists of S8 rings.
• As the temperature is increased further to approximately 160 °C, the S8 rings begin to break and link together to form long polymeric chains. This results in a dark brown, highly viscous liquid known as μ-sulphur (mu-sulphur).
• The viscosity of liquid sulphur reaches its maximum at about 180 °C. If the temperature is raised even further toward the boiling point of 444.6 °C, the chains break into shorter units, and the liquid becomes mobile again.
• This phenomenon of having distinct physical forms (with different molecular structures) in the same liquid phase is a classic example of liquid allotropy.

Additional Information

• Carbon: It shows various allotropes in the solid state, such as Diamond, Graphite, and Fullerenes. In Diamond, each carbon atom is sp3 hybridized, while in Graphite, they are sp2 hybridized. Carbon does not typically exhibit liquid allotropy under standard laboratory conditions.
• Phosphorus: It exists in several solid allotropic forms, including White Phosphorus, Red Phosphorus, and Black Phosphorus. White phosphorus is a waxy solid that is highly reactive and glows in the dark (chemiluminescence). It is stored under water to prevent oxidation.
• Bromine: It is the only non-metal that is a liquid at room temperature (around 25 °C). It is a deep-red, fuming liquid. However, it exists as diatomic Br2 molecules and does not demonstrate allotropy in its liquid state.
• Applications of Sulphur: It is widely used in the vulcanization of rubber to increase its durability, in the manufacture of sulphuric acid (the "King of Chemicals"), and in the production of fireworks, matches, and fungicides.

Important Points

• Definition of Allotropy: It is the property of some chemical elements to exist in two or more different forms, in the same physical state, known as allotropes. These forms have different physical properties but identical chemical properties.
• Solid Allotropes of Sulphur: The most stable form at room temperature is Rhombic Sulphur (α-sulphur). When heated above 95.6 °C (the transition temperature), it changes into Monoclinic Sulphur (β-sulphur). Both consist of S8 molecules but differ in their crystal arrangement.
• Periodic Table Data: Sulphur is a Group 16 (Oxygen family) element with the Atomic Number 16. It is a multivalent non-metal and is essential for all living cells, as it is a constituent of certain amino acids like cysteine and methionine.
• Frasch Process: This is a mining method used to extract sulphur from underground deposits using superheated water and compressed air.

The correct answer is Viscosity and buoyancy.

Key Points

• The rise of air bubbles in a liquid is primarily governed by buoyancy, which is the upward force exerted by a fluid that opposes the weight of an immersed object. According to Archimedes' Principle, the buoyant force is equal to the weight of the liquid displaced by the bubble.
• Air has a significantly lower density compared to most liquids (for example, the density of air is approximately 1.225 kg/m³, while water is 1000 kg/m³). This density gradient causes the bubble to experience a net upward force.
• As the bubble moves upward, it experiences viscosity, which acts as internal friction or a "drag force" within the liquid. This resistance prevents the bubble from accelerating indefinitely and eventually leads to a terminal velocity.
• The shape and speed of the rising bubble are determined by the balance between the upward buoyant force, the downward force of gravity, and the resisting viscous drag.
• Surface tension plays a role in maintaining the spherical or ellipsoidal shape of the bubble but is not the driving force behind its vertical ascent.

Additional Information

• Viscosity: It is the measure of a fluid's resistance to flow or deformation. Higher viscosity liquids like honey or glycerin cause bubbles to rise much slower than in low-viscosity liquids like water or alcohol. The unit of viscosity is the Pascal-second (Pa·s) or Poise.
• Buoyancy and Archimedes' Principle: This principle states that any object, wholly or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object. For a bubble, because its mass is negligible, the upthrust is the dominant force.
• Terminal Velocity: When the upward buoyant force is exactly balanced by the sum of the gravitational force and the viscous drag, the bubble stops accelerating and rises at a constant speed known as terminal velocity.
• Stokes' Law: For very small spherical bubbles moving through a viscous fluid at low speeds, the drag force is calculated using Stokes' Law, which relates the force to the radius of the bubble, the velocity, and the viscosity of the liquid.
• Factors Affecting Rise: The rate of rise increases with the size (volume) of the bubble because the buoyant force (proportional to volume) increases faster than the drag force (proportional to surface area/radius). Temperature also affects the rise because it generally decreases the viscosity of liquids.

Important Points

• Density Comparison: Since the density of air is much less than the density of the liquid, the weight of the air inside the bubble is almost zero compared to the weight of the displaced liquid, leading to strong buoyancy.
• Real-world Applications: This phenomenon is essential in wastewater treatment (aeration), chemical engineering (gas-liquid reactors), and even in everyday life, such as the carbon dioxide bubbles rising in a glass of soda or champagne.
• Surface Tension vs. Adherence: While surface tension helps the bubble stay intact, it does not cause the motion. Adherence refers to the sticking of the liquid to surfaces, which might actually slow down a bubble if it is near a container wall, but it is not the reason for the rise itself.
• Air Currents: These refer to the movement of air itself and are not applicable to the movement of a contained air bubble inside a static liquid body.

The correct answer is Eye.

Key Points

• Meibomian glands are a specialized type of sebaceous gland (oil-secreting gland) located within the eyelids of the eye.
• These glands are situated inside the tarsal plate, which is the thick connective tissue that gives the eyelids their shape and support.
• In a healthy adult eye, there are approximately 25 to 40 glands in the upper eyelid and 20 to 30 in the lower eyelid.
• The primary function of the Meibomian glands is the secretion of meibum, an oily or lipid substance that forms the outermost layer of the tear film.
• This lipid layer is essential because it prevents the evaporation of the eye's underlying aqueous (water) layer, ensuring the cornea remains moist and protected.

Additional Information

• Meibomian Gland Dysfunction (MGD): This is a common medical condition where the glands become clogged or the quality of the oil secreted is poor. MGD is the leading cause of dry eye syndrome, affecting millions of people worldwide, especially with increasing age.
• Tear Film Layers: The tear film is composed of three distinct layers: the lipid layer (produced by Meibomian glands), the aqueous layer (produced by Lacrimal glands), and the mucin layer (produced by conjunctival goblet cells).
• Glands of Zeis and Moll: Other glands in the eye include the Glands of Zeis, which are sebaceous glands attached to the eyelash follicles, and the Glands of Moll, which are modified apocrine sweat glands found at the margin of the eyelid.
• Comparison with other organs: While the skin contains sebaceous glands for general lubrication and the ear contains ceruminous glands for producing earwax, the Meibomian glands are uniquely adapted to prevent ocular surface desiccation.
• Anatomy of the gland: Each Meibomian gland consists of multiple acini (grape-like clusters) connected to a central duct that opens onto the eyelid margin just behind the eyelashes.

Important Points

• Composition of Meibum: The oil secreted is a complex mixture of phospholipids, triglycerides, and cholesterol esters. This specific chemical composition is what allows it to spread evenly across the tear film.
• Impact of Blinking: The secretion of oil from these glands is heavily dependent on the mechanical action of blinking. Each time a person blinks, pressure is applied to the tarsal plate, which helps express a small amount of meibum into the eye.
• Clinical Significance: Blockage of these glands can lead to the formation of a chalazion, which is a firm, non-tender lump in the eyelid, or hordeolum (stye) if an infection occurs.
• Modern Lifestyle Factors: Prolonged digital screen usage has been linked to Meibomian gland issues because the blink rate decreases significantly when looking at screens, leading to stagnation of the oil within the ducts.