Global warming elevates sea-surface temperatures (SSTs) well above the 26.5°C threshold required for tropical cyclogenesis and charges the troposphere with greater sensible and latent heat. Consequently, meteorological bodies worldwide report intensified storm kinetic energy, rapid intensification of tropical storms, cyclones (Indian Ocean/South Pacific), and hurricanes (Atlantic/Eastern Pacific).

Correct Option: Option (C) — Both 1 and 2 is the correct answer.

• All given statements are correct:
• 1. They have the ability to differentiate into specialized cell types.
• 2. Embryonic stem cells are pluripotent.

Ultraviolet (UV) radiation from sunlight drives two fundamental atmospheric ozone reactions:

1. Stratospheric Ozone Layer Formation: High-energy solar UV photons dissociate molecular oxygen into atomic oxygen ($O_2 + h

u \rightarrow O + O). Atomic oxygen rapidly combines with molecular oxygen to produce Ozone (O + O_2 \rightarrow O_3$).

1. Tropospheric Photochemical Smog: In polluted urban air, sunlight and UV radiation photolyze nitrogen dioxide ($NO_2 + h

u \rightarrow NO + O), releasing nascent oxygen which combines with ambientO_2to generate toxic ground-level Ozone (O_3$).

In both atmospheric zones, UV-driven photochemical reactions generate Ozone (O₃).

Correct Option: Option (C) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. Fiscal deficit is the excess of total expenditure over total receipts excluding borrowings.
• 2. The Fiscal Responsibility and Budget Management Act was enacted in 2003.
• Statement(s) 3 is/are incorrect:
• 3. Revenue deficit is always greater than the fiscal deficit.

Correct Answer: Option (D) — Ozone layer – Troposphere The protective atmospheric Ozone layer (Ozonosphere) is situated primarily in the Stratosphere (between approximately 15 km and 35 km altitude), where it absorbs harmful solar ultraviolet-B radiation. The Troposphere is the lowest atmospheric layer (0–12 km) where weather phenomena occur; ozone present in the troposphere is a hazardous pollutant, not the beneficial ozone layer.

Correct Option: Option (C) — 1 and 3 only is the correct answer.

• Statement(s) 1, 3 are correct:
• 1. It was an agreement between Mahatma Gandhi and Dr. B.R. Ambedkar.
• 3. It increased the number of seats reserved for the Depressed Classes in the provincial legislatures.
• Statement(s) 2 is/are incorrect:
• 2. It provided for separate electorates for the Depressed Classes.

Eminent Indian astrophysicist and cosmologist Prof. Jayant Vishnu Narlikar has been a relentless champion of scientific temper and rationalism in India. In his scientific critiques and statistical evaluations, Narlikar demonstrated that Astrology (फलित ज्योतिष) lacks empirical reproducibility, testable predictive validity, and causal mechanisms, categorizing it firmly as a pseudoscience rather than an empirical science.

German physicist Wilhelm Conrad Roentgen discovered X-radiation (X-rays) on November 8, 1895, while experimenting with Crookes-Hittorf cathode-ray discharge tubes at the University of Würzburg. He produced the first radiographic medical image (a radiograph of his wife Bertha's hand showing her bones and wedding ring), inaugurating diagnostic radiology and medical X-ray machines. In recognition, he received the first-ever Nobel Prize in Physics in 1901.

Correct Option: Option (C) — 1 and 3 only is the correct answer.

• Statement(s) 1, 3 are correct:
• 1. A. O. Hume, a retired British civil servant, played a key role in its formation.
• 3. W. C. Bonnerjee was the first president of the Congress.
• Statement(s) 2 is/are incorrect:
• 2. The first session of the Congress was held in Calcutta in 1885.

Correct Option: Option (C) — 1 and 3 only is the correct answer.

• Statement(s) 1, 3 are correct:
• 1. It refers to the stressed balance sheets of both public sector banks and corporate companies.
• 3. The Insolvency and Bankruptcy Code, 2016 was one of the measures taken to address it.
• Statement(s) 2 is/are incorrect:
• 2. It refers to the combined fiscal deficit of the Centre and the States.

Correct Option: Option (C) — 1, 2 and 3 is the correct answer.

• All given statements are correct:
• 1. DNA fingerprinting was developed by Alec Jeffreys.
• 2. Bt cotton is a genetically modified crop.
• 3. Human insulin can be produced using recombinant DNA technology.

Correct Option: Option (A) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. Jharkhand is a leading producer of coal in India.
• 2. The Kolar Gold Fields are located in Karnataka.
• Statement(s) 3 is/are incorrect:
• 3. The Singhbhum region is famous for its petroleum reserves.

The Preamble to the Constitution of India meticulously enumerates these fundamental constitutional ideals in sequential order:

1. JUSTICE: 3 types — social, economic, and political.
2. LIBERTY: 5 types — of thought, expression, belief, faith, and worship.
3. EQUALITY: 2 types — of status and of opportunity.
4. FRATERNITY: 1 ideal — assuring the dignity of the individual and the unity and integrity of the Nation.

Hence, the exact numerical sequence in order is 3, 5, 2, 1.

Candidates frequently confuse the count of liberties (5) with equality (2) or justice (3). Memorizing the precise wording of the Preamble ensures instant recall.

• The ideals of Justice (social, economic, political) were drawn from the 1917 Russian Revolution.
• The ideals of Liberty, Equality, and Fraternity were inspired by the French Revolution (1789).
• The Preamble has been amended only once: by the 42nd Amendment Act, 1976 (inserting 'Socialist, Secular, and Integrity').

There are 3 forms of justice (social, economic, political). This immediately restricts the choices to Option A (which begins with 3).

In the 14th Indian Presidential Election held on July 17, 2017, the ruling National Democratic Alliance (NDA) fielded former Governor of Bihar Shri Ram Nath Kovind, while the joint opposition led by the United Progressive Alliance (UPA) nominated former Speaker of the Lok Sabha Ms. Meira Kumar. Ram Nath Kovind won the election securing 65.65% of the electoral college votes.

The National Institution for Transforming India (NITI Aayog) was established via a Union Cabinet resolution on 1 January 2015, replacing the 65-year-old Planning Commission. While the Prime Minister serves as the ex-officio Chairman, renowned Columbia University economist Dr. Arvind Panagariya was appointed as its inaugural Vice-Chairman (serving from January 2015 to August 2017).

Andhra State was the first state in independent India created on a linguistic basis on 1 October 1953. It was carved out of the Telugu-speaking northern districts of the erstwhile Madras State following the historic 56-day hunger strike and subsequent martyrdom of Gandhian leader Potti Sreeramulu on 15 December 1952. Kurnool was made its initial capital, and C.M. Trivedi was its first Governor.

Ultimate Source of Energy Forms:

• Almost all energy sources on Earth represent stored solar energy:
• Biomass energy: Formed by plants capturing sunlight via photosynthesis (6CO₂ + 6H₂O + light → C₆H₁₂O₆ + 6O₂).
• Wind energy: Driven by atmospheric pressure gradients generated by differential solar heating of the Earth's surface.
• Fossil fuels (coal, petroleum): Ancient biomass energy buried underground.
• Geothermal energy: Heat from radioactive decay and primordial accretion, but on Earth's crust partially interacting with hydrothermal systems.
• However, Nuclear Energy is fundamentally NOT derived from the Sun's energy. Nuclear energy is stored in the binding energy of the atomic nucleus of heavy fissile elements (such as Uranium and Thorium), which were synthesized during stellar supernova nucleosynthesis before the birth of our Solar System, independent of solar radiation.

Therefore, Nuclear Energy is NOT derived from the Sun's energy (Option B).

Correct Option: Option (C) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. The Insolvency and Bankruptcy Code was enacted in 2016.
• 2. The Government announced a major recapitalisation plan for public sector banks in October 2017.
• Statement(s) 3 is/are incorrect:
• 3. The Prompt Corrective Action framework for weak banks is operated by SEBI.

Correct Option: Option (A) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. GST was launched in India on 1 July 2017.
• 2. It subsumed central excise duty and service tax.
• Statement(s) 3 is/are incorrect:
• 3. Petroleum products are fully covered under the GST regime.

Under Article 312 of the Constitution of India, the Council of States (Rajya Sabha) enjoys the exclusive constitutional power to pass a resolution supported by not less than two-thirds of the members present and voting declaring that it is necessary or expedient in the national interest to create one or more All India Services (common to the Union and the States). Upon such a resolution, Parliament may by law regulate the creation and recruitment of such services.

Provisions relating to Citizenship are enshrined in Part II of the Constitution of India, covering Articles 5 to 11. These articles determined citizenship eligibility at the commencement of the Constitution (26 January 1950) for persons domiciled in India, migrants from Pakistan, migrants to Pakistan who returned, and persons of Indian origin residing abroad. Article 11 empowers Parliament to regulate the right of citizenship by law, under which the Citizenship Act, 1955 was enacted.

Certain constitutional provisions fall outside the scope of Article 368 and can be amended by Parliament by a simple majority of members present and voting in each House (just like ordinary law). These include:

• Use of official language in Parliament and the Eighth Schedule additions / Official Language modifications.
• Creation or reorganization of States (Articles 2, 3, 4).
• Abolition or creation of Legislative Councils in States (Article 169).
• Quorum in Parliament.
• Citizenship (Article 11).

Therefore, provisions relating to official language can be amended by a simple majority.

Correct Option: Option (B) — 2 and 3 only is the correct answer.

• Statement(s) 2, 3 are correct:
• 2. The McMahon Line is associated with the boundary between India and China.
• 3. The Radcliffe Line demarcated the boundary between India and Pakistan at the time of Partition.
• Statement(s) 1 is/are incorrect:
• 1. The Durand Line separates India and Pakistan.

Lord Dufferin (Viceroy of India from 1884 to 1888), during whose tenure the Indian National Congress was founded in Bombay in December 1885, initially tolerated the Congress. However, as the Congress began articulating constitutional reforms, Dufferin fiercely attacked it in a speech at the St. Andrew's Day Dinner in Calcutta in November 1888, ridiculing it as representing only a 'microscopic minority' of the Indian populace.

'Dhing Express' is the popular nickname of ace Indian sprinter Hima Das. She hails from the small town of Dhing in the Nagaon district of Assam. In July 2018, she scripted history by becoming the first Indian athlete to win a gold medal in a track event at an IAAF World U20 Championships (Tampere, Finland), clocking 51.46 seconds in the 400m race.

State-owned telecom corporation Bharat Sanchar Nigam Limited (BSNL) roped in five-time world champion boxer M.C. Mary Kom as its brand ambassador for two years in September 2018 to endorse its mobile and broadband services.

Correct Option: Option (D) — 1, 2 and 3 is the correct answer.

• All given statements are correct:
• 1. It aims to hold the increase in global average temperature to well below 2 degrees Celsius above pre-industrial levels.
• 2. It requires developed countries to provide financial resources to assist developing countries.
• 3. India's Nationally Determined Contribution includes reducing the emissions intensity of its GDP by 33-35 percent by 2030 from 2005 levels.

BrahMos is a medium-range ramjet supersonic cruise missile developed by BrahMos Aerospace, a joint venture between India's Defence Research and Development Organisation (DRDO) and Russia's NPO Mashinostroyeniya. The name 'BrahMos' is formed from the names of two rivers: the Brahmaputra of India and the Moskva of Russia. It can be launched from submarines, ships, aircraft, or land-based platforms.

Andrés Manuel López Obrador (commonly known by his initials AMLO) won a landslide victory in the general election held on 1 July 2018 to become the President of Mexico, representing the left-wing National Regeneration Movement (MORENA) party. He assumed office on 1 December 2018 for a six-year presidential term (2018–2024).

On 28 July 2017, a unanimous five-judge bench of the Supreme Court of Pakistan disqualified Prime Minister Nawaz Sharif from holding public office in the historic Panama Papers case (Imran Khan v. Nawaz Sharif). The Court ruled that Sharif had been dishonest in failing to disclose his unwithdrawn receivables from a UAE-based company in his 2013 election nomination papers, thereby violating Articles 62(1)(f) and 63 of the Constitution of Pakistan (the 'Sadiq and Ameen' requirement of being righteous and sagacious).

Correct Option: Option (D) — 1, 2 and 3 is the correct answer.

• All given statements are correct:
• 1. India is the largest producer of milk in the world.
• 2. Rabi crops are sown in winter and harvested in spring.
• 3. The Golden Revolution is associated with horticulture and honey production.

Correct Option: Option (B) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. It was launched in response to the Partition of Bengal in 1905.
• 2. The Partition of Bengal was annulled in 1911.
• Statement(s) 3 is/are incorrect:
• 3. The Surat Split of the Congress took place in 1906.

Correct Option: Option (C) — Both 1 and 2 is the correct answer.

• All given statements are correct:
• 1. The revolt began at Meerut on 10 May 1857.
• 2. Bahadur Shah Zafar was proclaimed the Emperor of India by the rebels.

Correct Option: Option (D) — 1, 2 and 3 is the correct answer.

• All given statements are correct:
• 1. The Palk Strait separates India and Sri Lanka.
• 2. The Strait of Malacca connects the Indian Ocean and the Pacific Ocean.
• 3. The Bering Strait separates Asia and North America.

Correct Option: Option (C) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. The President is elected by an electoral college consisting of the elected members of both Houses of Parliament and of the state legislative assemblies.
• 2. The President can promulgate ordinances when Parliament is not in session.
• Statement(s) 3 is/are incorrect:
• 3. The term of office of the President is six years.

Correct Option: Option (A) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. It is a constitutional body normally constituted every five years.
• 2. It recommends the distribution of the net proceeds of taxes between the Union and the States.
• Statement(s) 3 is/are incorrect:
• 3. Its recommendations are binding on the Union Government.

Both statements represent authentic historical facts, but Reason (R) does not explain Assertion (A):

• Assertion (A) is true: During the Delhi Sultanate and Mughal eras, royal courts actively sponsored the translation of classical Sanskrit treatises on music and arts into Persian. Under Firoz Shah Tughlaq, the first known Persian translation of a Sanskrit musical work appeared as 'Ghunyat-ul-Munya' (c. 1374–75). In Kashmir, Sultan Zain-ul-Abidin commissioned Persian renderings of 'Sangita Ratnakara'. In 1666, during Aurangzeb's reign, Faqirullah translated Raja Man Singh Tomar's Hindi/Sanskrit musical compendium 'Man Kautuhal' into Persian under the title 'Ragadarpan'. Aurangzeb's reign paradoxically witnessed the greatest number of Persian treatises written on Hindustani classical music.
• Reason (R) is true: The Chishti silsila (founded in India by Khwaja Moinuddin Chishti) strongly embraced 'sama' (audition of mystical poetry and music) as a spiritual catalyst to evoke ecstatic divine love ('wajd') and communion with God. Great Chishti masters like Baba Farid, Nizamuddin Auliya, and Amir Khusrau defended sama against orthodoxy.
• Explanation link: The practice of spiritual musical gatherings (sama) by Sufi ascetics in khanqahs was an internal mystical practice and was not the institutional cause driving royal court translation bureaus and musicologists to render theoretical Sanskrit shastras into Persian court manuals.

Pushyamitra Shunga, who founded the Shunga dynasty in 185 BCE after overthrowing the last Mauryan ruler Brihadratha, spearheaded the revival of Vedic Brahmanical rituals, prominently performing two horse sacrifices (Ashwamedha Yajnas). The primary epigraphic evidence verifying the performance of two Ashwamedha sacrifices by Pushyamitra is the Ayodhya Stone Inscription of King Dhanadeva (also known as the Ayodhya Inscription). Dhanadeva, who ruled Kosala (Ayodhya) in the 1st century BCE, identifies himself in the inscription as the sixth brother/descendant of General Pushyamitra: 'द्विरश्वमेधयाजिनः सेनापतेः पुष्यमित्रस्य षष्ठेन कौशिकीपुत्रेण धनदेवेन...' (Dhanadeva, lord of Kosala, son of Kaushiki, sixth in descent from Senapati Pushyamitra who performed two Ashwamedha sacrifices).

• The inscription is an engraved Sanskrit stone slab discovered at Ayodhya in Faizabad (now Ayodhya) district, Uttar Pradesh.
• Patanjali, the great Sanskrit grammarian and author of the 'Mahabhashya', lived during Pushyamitra's reign and explicitly mentions officiating at Pushyamitra's sacrifices: 'इह पुष्यमित्रं याजयामः' ('Here we perform sacrifice for Pushyamitra'). Patanjali was native to Gonarda (identified with modern Gonda district in Eastern Uttar Pradesh, adjoining Ayodhya).

Ensure you distinguish among ancient inscriptions: Sarnath inscriptions belong primarily to Ashoka, Kanishka, and Kumaragupta; Besnagar inscription (Vidisha) is the Garuda pillar of Greek ambassador Heliodorus dedicated to Vasudeva; Hathigumpha inscription (Odisha) belongs to King Kharavela of Kalinga.

• Pushyamitra retained the modest title 'Senapati' (commander-in-chief) even after ascending the throne of Pataliputra.
• Kalidasa's classical Sanskrit play 'Malavikagnimitram' dramatizes the Ashwamedha sacrifice of Pushyamitra and describes his grandson Vasumitra guarding the sacrificial horse on the banks of the Sindhu River against Greek (Yavana) cavalry.

Besnagar relates to Heliodorus and Bhagavatism in MP, Hathigumpha relates to Kharavela in Odisha, and Sarnath relates to Ashokan Dhamma in UP, leaving Ayodhya as the exclusive inscription commemorating Pushyamitra's twin Ashwamedha sacrifices.

In the administrative hierarchy of the Mughal Empire under Akbar, provinces were organized into three tiers: Subah (province) -> Sarkar (district) -> Pargana (sub-district / cluster of villages). During the reign of Emperor Shah Jahan (1628–1658), an administrative reform was introduced by his grand vizier Sadullah Khan to streamline revenue assessment and collection. Several contiguous parganas were grouped into an intermediate jurisdictional unit termed the Chakla. The Chakla served as an administrative and fiscal territory positioned between the Subah and Pargana; it did not replace the Sarkar, as some chaklas coincided with sarkars while others encompassed several sarkars or cut across sarkar boundaries under a Chakladar (or Faujdar/Amil).

Under the fiscal and military administration developed by Chhatrapati Shivaji Maharaj and subsequently expanded by the Peshwas, the Marathas extracted two distinct levies from non-Maratha territories outside their core kingdom (Swarajya):

• Chauth: Nominally amounting to one-fourth (25%) of the standard land revenue assessed by the local ruler. It was explicitly demanded as 'protection money' in exchange for exempting the territory from Maratha military raids and pillage, as well as guaranteeing defense against third-party external aggression.
• Sardeshmukhi: An additional 10% levy (one-tenth) claimed on the basis of Shivaji's hereditary right as the supreme headman (Sardesmukh) of Maharashtra.
• Abwab: Miscellaneous temporary cesses or illegal imposts levied over and above standard land revenue in Mughal and post-Mughal fiscal practice.
• Jamadani: An accounting entry term relating to revenue registers.

Because the specific institutional premise of the revenue was military non-aggression and protection, 'Chauth' constitutes the exact historical term.

Do not confuse Chauth (25% military tribute for non-aggression and protection) with Sardeshmukhi (10% constitutional claim of hereditary overlordship). While both were collected by Maratha forces, only Chauth carried the explicit covenant of protection from invasion and plunder.

• In 1719, Mughal Emperor Farrukhsiyar (via the Sayyid Brothers) formally granted the Marathas (Peshwa Balaji Vishwanath) the imperial firman to collect Chauth and Sardeshmukhi across the six Mughal subahs of the Deccan.
• Swarajya referred to Shivaji's core kingdom where regular assessment (Kathi system) applied, distinct from 'Mughlai' areas subject to Chauth.

Sardeshmukhi was a 10% hereditary titular tax, whereas the protective tribute collected to spare external provinces from plundering was specifically the 25% Chauth (Option B).

The historic Khair-ul-Manazil (literally 'The Most Auspicious of Houses') is an imposing double-storeyed red sandstone and rubble masonry mosque and madrasa complex situated directly opposite the Purana Qila on Mathura Road in New Delhi. It was commissioned in 1561 CE by Maham Anaga, the foster mother (chief wet-nurse) of Emperor Akbar and a powerful political figure during Akbar's teenage years (the era frequently termed the 'Petticoat Government', 1560–1562). The construction was supervised by court noble and architect Shihab-ud-Din Ahmad Khan. An inscription over the central arch, composed by court poet Maulana Shihabuddin Ahmad Ba Dari, preserves the chronogram giving the Hijri year 969 (1561–62 CE).

Do not confuse Maham Anaga with other prominent Mughal women: Hamida Banu Begum (Maryam Makani) was Akbar's biological mother, Salima Sultan Begum was Bairam Khan's widow who married Akbar, and Jiji Anga was another foster mother (mother of Mirza Aziz Koka). Maham Anaga exclusively commissioned Khair-ul-Manazil.

• In 1564 CE, an assassination attempt was made on Akbar's life from the terrace of this very madrasa as he returned from the dargah of Hazrat Nizamuddin Auliya; an arrow grazed Akbar's shoulder.
• The central gate reflects early syncretic Mughal architectural style featuring plaster incised carvings and enamelled tile embellishments.

Knowing the influential court role of Akbar's chief foster mother Maham Anaga in the early 1560s immediately identifies her as the patroness of this foundation right across from Purana Qila.

Correct Answer: Option (D) — Lucknow - Liyaqat Ali During the 19th-century anti-British uprisings and the Great Revolt of 1857, distinct leaders mobilized regional resistance: - Sambalpur: Led by Veer Surendra Sai, who raised a prolonged tribal and agrarian guerrilla struggle against British annexation in western Odisha. - Ganjam: Led by Radhakrishna Dandasena, a tribal chief who spearheaded the resistance movement against the East India Company in southern Odisha. - Kashmir: Maharaja Gulab Singh, founder of the Dogra dynasty, ruled Jammu & Kashmir after the Treaty of Amritsar (1846) and actively maintained royal authority aligned with British diplomacy during the uprisings. - Lucknow: The leadership of the 1857 uprising in Lucknow was proclaimed by Begum Hazrat Mahal on behalf of her minor son, Nawab Birjis Qadr, supported vigorously by Maulvi Ahmadullah Shah (the 'Danka Shah' of Faizabad). Maulvi Liaquat Ali led the uprising not in Lucknow, but at Allahabad (Prayagraj) and Chail, setting up his headquarters at Khusro Bagh.

Correct Option: Option (D) — 1, 2 and 3 is the correct answer.

• All given statements are correct:
• 1. It was introduced through the 101st Constitutional Amendment Act.
• 2. It subsumes both Central and State indirect taxes.
• 3. Petroleum products and alcohol for human consumption are currently outside its ambit.

Correct Option: Option (B) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. The Tendulkar Committee estimated the poverty lines in India.
• 2. MGNREGA guarantees 100 days of wage employment in a financial year to every rural household whose adult members volunteer for unskilled manual work.
• Statement(s) 3 is/are incorrect:
• 3. The Rangarajan Committee was associated with the disinvestment of public sector enterprises.

The conceptual term 'Global Village' was formulated by Canadian philosopher of communication theory Marshall McLuhan in his pathbreaking books The Gutenberg Galaxy: The Making of Typographic Man (1962) and Understanding Media: The Extensions of Man (1964). McLuhan argued that electronic media, instantaneous telecommunications, satellites, and modern high-speed transportation systems effectively overcome spatial barriers and time lags ('space-time compression'). By allowing real-time exchange of audio, visual, and textual data across oceans, planetary human society functions with the psychological intimacy, immediate interconnectedness, and reciprocal awareness characteristic of a traditional compact village.

India has a total coastline of 7,516.6 km (mainland coastline of 5,422.6 km and island territories covering 2,094 km). Among all Indian states, Gujarat possesses the longest coastline, measuring approximately 1,214.7 km (and exceeding 1,600 km when considering minor tidal creeks, salt marshes, and the indented perimeters of the Gulf of Kachchh and Gulf of Khambhat). Andhra Pradesh ranks second among states with a coastline of 973.7 km, followed by Tamil Nadu (906.9 km), Maharashtra (652.6 km), and Kerala (569.7 km).

Correct Option: Option (D) — 1, 2 and 3 is the correct answer.

• All given statements are correct:
• 1. It was launched in response to the partition of Bengal by Lord Curzon.
• 2. It witnessed the first large-scale use of boycott of foreign goods as a political weapon in India.
• 3. The Surat Split of 1907 between the Moderates and the Extremists weakened the movement.

The world-famous temple of Lord Venkateswara (Sri Venkateswara Swamy Temple / Tirupati Balaji) is located on the Venkatadri Hill, one of the seven holy peaks of the Tirumala Hills, situated in Tirupati (formerly Chittoor) district of Andhra Pradesh. Geographically, these hills form part of the southern Seshachalam Hills (a dissected plateau range of the Eastern Ghats, constituted as the Seshachalam Biosphere Reserve in 2010).

• Shevaroy Hills: Located in Salem district, Tamil Nadu (famous for Yercaud).
• Biligiriranga (BR) Hills: Located in Chamarajanagar district, Karnataka, serving as a biogeographical corridor between the Western and Eastern Ghats.
• Javadhee (Javadi) Hills: Located in northern Tamil Nadu (Vellore/Tiruvannamalai districts).
• Mallmalla: In the UPPSC 2018 paper, option D was printed as 'Mallmalla' (believed to be a misprint for Nallamala or an erroneous translation). Because the true location is Venkatadri/Tirumala in the Seshachalam range and not one of the choices, UPPSC designated Option D in its provisional key, but officially cancelled/deleted this question in the final revised evaluation.

Geomorphologically, the basement structure of western Rajasthan is an extension of the ancient Peninsular Indian shield comprised of Precambrian crystalline granites and gneisses overlaid by Mesozoic marine sediments. However, the surface topography, thick windblown sand dunes, alluvial tracts, and the arid desert conditions characteristic of the Thar Desert developed primarily during the Pleistocene and Holocene (recent) epochs of the Quaternary period (spanning approximately the last 2.6 million years to the present). Paleoclimatic, sedimentological, and thermoluminescence dating studies demonstrate that alternating phases of monsoonal humidity and severe hyper-aridity during the Late Pleistocene caused the desiccation of paleochannels (such as the ancient Saraswati/Drishadvati river systems) and resulted in the massive accumulation of shifting aeolian sands and salt playas.

Do not confuse the ancient subterranean basement rock formations (Precambrian/Mesozoic) with the actual formation of the desert landscape and sand sheets. The desertification and extensive sand dunes are geologically young, belonging strictly to the Pleistocene and Recent (Holocene) epochs.

• The Quaternary period is subdivided into two epochs: the Pleistocene (Ice Age epoch) and the Holocene (recent epoch beginning ~11,700 years ago).
• The Thar Desert is the most densely populated desert in the world, with a population density of over 80 people per sq km.
• Inland drainage features such as playas (locally called 'Dhands' or 'Ranns') like Sambhar, Didwana, and Pachpadra are typical of these recent deposits.

Paleocene, Oligocene, and Pliocene are epochs of the older Paleogene and Neogene periods of the Cenozoic Era; dynamic aeolian landforms and active sand deposits characteristic of modern deserts are Quaternary deposits (Pleistocene and Recent - Option C).

Correct Option: Option (A) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. The Narmada flows westward and drains into the Arabian Sea.
• 2. The Godavari is the longest river of peninsular India.
• Statement(s) 3 is/are incorrect:
• 3. The Teesta is a tributary of the Ganga.

Correct Option: Option (B) — 1 and 3 only is the correct answer.

• Statement(s) 1, 3 are correct:
• 1. It was propounded by the Supreme Court in the Kesavananda Bharati case.
• 3. The doctrine has been invoked by the Supreme Court to strike down constitutional amendments.
• Statement(s) 2 is/are incorrect:
• 2. It holds that Parliament can amend any part of the Constitution, including its basic structure.

Correct Option: Option (C) — 1 and 3 only is the correct answer.

• Statement(s) 1, 3 are correct:
• 1. Shankaracharya propounded the doctrine of Advaita.
• 3. Verses of Kabir are included in the Guru Granth Sahib.
• Statement(s) 2 is/are incorrect:
• 2. Ramanuja propounded the doctrine of Dvaita.

Sultana, Gulabi, and Kali Champa are prominent commercial cultivars of Grapes (Vitis vinifera) cultivated in India's principal viticulture belts (predominantly in Maharashtra, Karnataka, Tamil Nadu, and Andhra Pradesh):

• Sultana (Thompson Seedless): An oval, pale-green seedless grape variety that constitutes over 70–80% of India's total grape production; it is widely consumed fresh and dried into raisins (kishmish).
• Gulabi (Muscat Hamburg / Karachi Gulabi): A round, purple-skinned seeded grape variety endowed with a pleasant muscat floral aroma, primarily cultivated in Tamil Nadu, Karnataka, and parts of Andhra Pradesh for table consumption and local juice/wine making.
• Kali Champa: A vigorous black-seeded grape variety popular for fresh table use and home gardens, characterized by dense bunches and high sweetness.
• Other major grape cultivars in India include Anab-e-Shahi, Dilkhush, Bangalore Blue, Sharad Seedless, and Tas-A-Ganesh.

Kerala, celebrated through antiquity as the 'Spice Garden of India', is the largest producer of both small cardamom (Elettaria cardamomum) and black pepper (Piper nigrum) in India. The moist tropical slopes, rich loamy forest soils, well-distributed heavy rainfall (1,500–3,000 mm), and moderate tropical temperatures of the Western Ghats (specifically the Cardamom Hills, Idukki, and Wayanad districts) provide the optimal agro-climatic ecology for these shade-loving perennial plantation spices. Kerala produces over 70% to 80% of India's small cardamom (with the balance from Karnataka and Tamil Nadu) and accounts for the historic lion's share of black pepper production (though Karnataka in recent years has significantly expanded its pepper acreage intercropped with coffee).

Correct Option: Option (D) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. Directive Principles of State Policy — Irish Constitution
• 2. Fundamental Rights — Constitution of the USA
• Statement(s) 3 is/are incorrect:
• 3. Concurrent List — Constitution of Canada

According to data from the United States Geological Survey (USGS) Mineral Commodity Summaries, Chile is by far the leading producer of iodine in the world, consistently accounting for approximately 60% to 65% of total global production. In Chile, iodine is extracted as a co-product from extensive caliche (nitrate ore) deposits located in the hyper-arid Atacama Desert across the Tarapacá and Antofagasta regions in northern Chile. Major mining conglomerates such as SQM (Sociedad Química y Minera de Chile) process these surface nitrate beds to supply global medical, industrial, and nutritional markets. Japan is the second-largest producer (accounting for roughly 25% to 30% of global output), extracting iodine from underground brine waters associated with natural gas wells in the Chiba prefecture.

Correct Option: Option (B) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. Malaria is caused by the Plasmodium parasite.
• 2. Dengue is transmitted by the Aedes mosquito.
• Statement(s) 3 is/are incorrect:
• 3. Tuberculosis is caused by a virus.

According to the 2011 Census of India, Uttar Pradesh has by far the largest absolute rural population in the country. Out of Uttar Pradesh's total population of 19,98,12,341 (19.98 crore), 15,53,17,278 (approx. 15.53 crore or 155.3 million) people reside in rural areas, which constitutes 77.73% of the state's total populace. Nationally, Uttar Pradesh accounts for approximately 18.6% of India's total rural population. Bihar ranks second in absolute rural population with approximately 9.23 crore rural residents (88.71%), followed by West Bengal (6.21 crore) and Maharashtra (6.15 crore).

• Total Population of Uttar Pradesh (2011): 19,98,12,341 (16.51% of India's population).
• Rural Population of UP: 15,53,17,278 (77.73%).
• Urban Population of UP: 4,44,95,063 (22.27%).
• District with highest rural population in UP: Prayagraj (Allahabad).
• District with lowest rural population in UP: Gautam Buddha Nagar.
• District with highest percentage of rural population in UP: Shrawasti (96.54%).

Carefully distinguish between absolute rural population (numbers) and percentage rural population (proportion):

• Largest absolute rural population: Uttar Pradesh (15.53 crore).
• Highest percentage of rural population: Himachal Pradesh (90.0% rural), followed by Bihar (88.71%).

• Maharashtra has the largest urban population in absolute numbers in India (5.08 crore urban residents), whereas Uttar Pradesh ranks second in urban population (4.45 crore) but first in rural population.
• Goa is the most urbanised state among major states (62.2% urban), while Himachal Pradesh is the least urbanised (10% urban).

As India's most populous state with nearly 20 crore people and nearly four-fifths living in villages, Uttar Pradesh's rural headcount (15.53 crore) far surpasses Maharashtra, MP, or Punjab.

Correct Option: Option (C) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. Foreign direct investment up to 100 per cent is permitted through the automatic route in most sectors.
• 2. The current account of the balance of payments includes the trade balance and net remittances.
• Statement(s) 3 is/are incorrect:
• 3. India's foreign exchange reserves are managed by the Securities and Exchange Board of India.

Sustainable development is defined as development that meets the needs of the present generation without compromising the ability of future generations to meet their own needs. It emphasizes inter-generational equity, conservation of non-renewable resources, and judicious resource consumption so that current standards of human well-being and comfort are maintained while preserving the planetary ecological base. The term was formally introduced to the global policy lexicon by the Brundtland Commission in its 1987 landmark report titled 'Our Common Future', published by the UN World Commission on Environment and Development (WCED).

Correct Option: Option (C) — 1, 2 and 3 is the correct answer.

• All given statements are correct:
• 1. Mangroves act as natural barriers against storm surges and coastal erosion.
• 2. Coral reefs in India are found in the Gulf of Mannar and the Andaman and Nicobar Islands.
• 3. Coral bleaching is caused by a rise in sea surface temperatures.

In India, the estimation and determination of the poverty line was historically carried out by the Planning Commission (which was succeeded by NITI Aayog on 1 January 2015). The Planning Commission relied on nationwide large-sample surveys on Household Consumer Expenditure conducted quinquennially (every five years) by the National Sample Survey Office (NSSO, now NSO under MoSPI). Expert committees appointed by the Commission—such as the Y.K. Alagh Committee (1979), D.T. Lakdawala Committee (1993), Suresh Tendulkar Committee (2009), and C. Rangarajan Committee (2014)—formulated quantitative consumption expenditure baskets to demarcate individuals living below the poverty line (BPL).

According to official statistical publications by the Ministry of Road Transport and Highways (MoRTH) in 'Basic Road Statistics of India', Maharashtra consistently ranks first among all Indian states in total road length (aggregating National Highways, State Highways, Major District Roads, and Rural Roads), with an extensive network spanning over 6 lakh km. Maharashtra also maintains the highest total length of National Highways in India (~18,000+ km), followed by Uttar Pradesh in second place.

The Direct Taxes Code (DTC) was conceptualized by the Government of India to replace and modernize the archaic Income-tax Act, 1961 and other direct tax legislation (such as the Wealth Tax Act, 1957). The DTC sought to consolidate, streamline, and simplify the legal framework governing direct taxes—primarily personal Income Tax and Corporate Tax—by broadening the tax base, eliminating distortionary exemptions, lowering tax rate slabs, and enhancing voluntary compliance.

Candidates frequently confuse the Direct Taxes Code (DTC) with the Goods and Services Tax (GST). Sales Tax, Excise Tax, and Service Tax are indirect taxes, which were subsumed under the Goods and Services Tax (GST) effective 1 July 2017 (101st Constitutional Amendment Act). DTC relates exclusively to direct taxes on income and corporate profits.

• Direct Tax: Levied directly on the income or wealth of an individual/corporation; incidence and impact fall on the same legal entity (Income Tax, Corporation Tax, Securities Transaction Tax).
• Indirect Tax: Levied on the manufacture, sale, or consumption of goods and services; impact can be shifted to consumers (GST, Customs Duty).
• Central Board of Direct Taxes (CBDT): Statutory body under the Central Boards of Revenue Act, 1963, managing direct tax policy under the Department of Revenue, Ministry of Finance.
• Task Force on Direct Tax Code: Headed by Arbind Modi (2017) and subsequently Akhilesh Ranjan (2019) to draft new direct tax legislation.

Sales Tax, Excise Tax, and Service Tax are classic indirect taxes that do not fall under the direct tax framework. Income Tax is the single direct tax listed, making Option B the only valid answer.

Greenpeace International is an independent, non-governmental global environmental organization that operates across over 55 countries. Although the movement originated in Vancouver, British Columbia, Canada in 1971 when activists set sail to protest underground nuclear testing at Amchitka Island (Alaska), its central international coordinating secretariat—Stichting Greenpeace Council—was established in 1979 and is permanently headquartered in Amsterdam, Netherlands. Greenpeace campaigns against climate change, deforestation, commercial whaling, nuclear weapons, and genetic engineering through non-violent direct action.

The 'ABC Index' stands for the 'Achievements of Babies and Children' index. Introduced in public health economics and child development assessments (and highlighted by development economists including Jean Drèze and Reetika Khera), the index measures child health and well-being across Indian states. It compiles four core indicators of child health into a composite percentage score: infant survival rate, full immunization coverage, weight-for-age (nutrition levels), and maternal/early childhood health care support. In state-level evaluations, states like Kerala, Tamil Nadu, and Himachal Pradesh ranked near the top, while BIMARU states lagged behind.

Correct Option: Option (D) — 1, 2 and 3 is the correct answer.

• All given statements are correct:
• 1. BharatNet aims to provide broadband connectivity to gram panchayats.
• 2. BHIM is a UPI-based digital payment application.
• 3. Aadhaar uses biometric authentication for establishing identity.

Air pollutants are classified into primary and secondary pollutants based on their mechanism of origin. Primary pollutants are emitted directly from identifiable sources into the atmosphere (such as Carbon monoxide [CO], Carbon dioxide [CO2], Sulphur dioxide [SO2], Nitric oxide [NO], and Fly ash from chimneys and exhausts). Secondary pollutants are not directly emitted; rather, they form in the atmosphere through physical, chemical, or photochemical interactions between primary pollutants and ambient atmospheric gases. Smog (both classical smog and photochemical smog), ground-level Ozone (O3), Peroxyacetyl Nitrate (PAN), and acid rain (H2SO4, HNO3) are classic examples of secondary pollutants.

Candidates often conflate emissions released directly from combustion with secondary reaction products. Smog is a secondary phenomenon produced by the atmospheric coalescence and photochemical reaction of smoke, nitrogen oxides, hydrocarbons, and moisture/fog.

• Primary Pollutants: CO, CO2, SO2, NO, Particulate Matter (soot, fly ash), unburnt hydrocarbons.
• Secondary Pollutants: Smog, Tropospheric Ozone (O3), Peroxyacetyl Nitrate (PAN), Sulphuric acid mist, Nitric acid.
• Photochemical Smog (Los Angeles smog): Formed by reaction of solar ultraviolet radiation with NOx and volatile organic compounds (VOCs); oxidizing in nature.
• Classical Smog (London smog): Formed in cold, humid climates from coal smoke containing SO2 and fog; reducing in nature.

Carbon dioxide, carbon monoxide, and fly ash are discharged directly from internal combustion engines and coal-fired thermal power plants (primary pollutants). Smog requires atmospheric interactions to synthesize, identifying Option A as the secondary pollutant.

Coral reef ecosystems, widely termed the 'rainforests of the sea', exhibit the highest concentration of species diversity per unit area of any ecosystem on Earth. Covering less than 0.1% of the total ocean floor, coral reefs provide structural habitat and sustenance to more than 25% of all documented marine life, encompassing thousands of species of fish, molluscs, crustaceans, echinoderms, and corals. In the official answer key for UPPSC 2018 Prelims, the Commission designated Option C (Coral reefs) as the correct answer, reflecting their unmatched spatial species density.

Correct Option: Option (B) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. The Mariana Trench is located in the Pacific Ocean.
• 2. The Mid-Atlantic Ridge is an example of a divergent plate boundary.
• Statement(s) 3 is/are incorrect:
• 3. The Agulhas Current flows along the western coast of Africa.

Correct Answer: Option (B) — 20 db

• Sound intensity is measured on a logarithmic scale in units of decibels (dB), where 0 dB represents the absolute threshold of human hearing. In standard acoustic measurements and environmental noise classification tables (recognized by the Central Pollution Control Board [CPCB] and the World Health Organization [WHO]), the rustling of leaves on trees in a calm breeze produces an average sound level of approximately 20 dB. This falls into the 'very quiet' acoustic range alongside a quiet whisper at a distance of about one meter.

Correct Option: Option (B) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. The Election Commission of India derives its authority from Article 324 of the Constitution.
• 2. The Comptroller and Auditor General of India is appointed by the President.
• Statement(s) 3 is/are incorrect:
• 3. The Attorney General of India has the right to vote in the proceedings of Parliament.

India's first National Action Plan on Climate Change (NAPCC) was formally released by Prime Minister Dr. Manmohan Singh on 30 June 2008. The plan outlined an overarching national strategy to advance economic development while simultaneously mitigating and adapting to the adverse impacts of global climate change. It established eight national missions covering core sectors, coordinated across different central ministries under the Prime Minister's Council on Climate Change.

The marine (oceanic) ecosystem is recognized in ecology as the most stable ecosystem on Earth. Covering roughly 71% of Earth's planetary surface with an average depth of approximately 3,700 meters, oceans possess colossal physical and chemical inertia. The high specific heat capacity of water buffers oceanic bodies against sudden diurnal and seasonal temperature swings, while its continuous dissolved salinity and oceanic circulation maintain stable physicochemical conditions over geological eras. Unlike terrestrial ecosystems, marine systems are insulated against rapid microclimatic volatility and terrestrial cataclysms.

Incinerators are specialized industrial combustion furnaces utilized for the thermal treatment and controlled burning of solid wastes at high temperatures (typically ranging between 850°C and 1,150°C). The process of incineration converts combustible organic wastes into bottom ash, flue gases, and heat, reducing the original waste mass by approximately 70% and volume by up to 90%. Incineration is universally deployed in biomedical waste management (hospital infectious waste, anatomical parts, contaminated dressings) to neutralize virulent pathogens and hazardous toxic compounds that cannot be safely sent to regular landfills.

Anatomy of the Human Heart:

• The Human heart is a muscular organ composed of four chambers:

1. Right Atrium: Receives deoxygenated blood from the body tissues via the superior and inferior vena cava.
2. Right Ventricle: Pumps deoxygenated blood through the pulmonary artery to the lungs for oxygenation.
3. Left Atrium: Receives oxygenated blood returning from the lungs via the pulmonary veins.
4. Left Ventricle: Thick muscular chamber that pumps oxygenated blood under high pressure into the aorta to supply the entire systemic circulation.

• This four-chambered design completely separates oxygenated and deoxygenated blood, ensuring high metabolic efficiency (double circulation).

Therefore, the human heart has four chambers (Option A).

Natural gas is a naturally occurring fossil fuel hydrocarbon gas mixture consisting predominantly of methane (CH4), which typically accounts for 80% to 95% of its total volumetric composition. The remainder consists of smaller amounts of other higher alkanes such as ethane (C2H6), propane (C3H8), and butane (C4H10), alongside trace amounts of carbon dioxide, nitrogen, and hydrogen sulphide. Both Compressed Natural Gas (CNG) used in motor vehicles and Piped Natural Gas (PNG) supplied for domestic cooking are primarily composed of pressurized methane.

Diclofenac, a non-steroidal anti-inflammatory drug (NSAID) and veterinary analgesic extensively administered to treat joint pain, swelling, and fever in domestic livestock, was identified by veterinary toxicologists as the direct cause of the catastrophic collapse (over 99% decline) of vulture populations across India and South Asia during the 1990s and 2000s. When vultures fed on the carcasses of livestock that had been treated with diclofenac shortly before death, they ingested the drug residues. Diclofenac causes acute renal failure, hyperuricemia, and extensive visceral gout (deposition of uric acid crystals on visceral organs) in Gyps vultures, resulting in death within days.

Biodegradable vs Non-Biodegradable Pollutants:

• Biodegradable pollutants are organic substances that can be rapidly broken down, decomposed, and mineralized into harmless natural elements by the enzymatic action of living micro-organisms (bacteria and fungi). Examples include domestic sewage/waste, urine, faecal matter, paper, and food scraps.
• Non-biodegradable pollutants are synthetic chemical substances that cannot be decomposed or broken down by biological micro-organisms, or degrade extremely slowly over centuries. They accumulate in the environment and undergo biomagnification across food chains. Prime examples include synthetic chemical pesticides (like DDT, BHC, organochlorines), plastics, glass, and heavy metals (lead, mercury).

Therefore, Pesticide is a non-biodegradable pollutant (Option D).

Conceptual & Factual Analysis:

In the context of the UPPCS examination, questions on this topic test both general civil services depth and specific interlinkages with Uttar Pradesh administration and state priorities.

Assuming extreme generalisations or overlooking qualifying words such as 'NOT', 'INCORRECT', or 'EXCEPT' in the question stem.

• Curriculum Section: General Studies (Religion & Philosophy)
• Exam Standard: Commission Answer Key and Standard Textbooks
• Key Takeaway: High-yield recurring topic in Civil Services Prelims

According to Albert Einstein's Special Theory of Relativity, the speed of light in a vacuum (c = 299,792,458 m/s \approx 3 × 10⁸ m/s) is the fundamental universal physical constant representing the maximum possible speed at which all massless particles, electromagnetic radiation, and causal information can travel in the universe. Massive particles—such as electrons or the atomic nuclei/protons that constitute cosmic rays—possess non-zero rest mass (m₀ > 0). According to relativistic mechanics (m = m₀ / \sqrt{1 - v²/c²), accelerating any object with mass to the speed of light would require infinite energy; hence, massive particles can only travel at sub-luminal velocities (v < c).

Correct Option: Option (A) — 1 only is the correct answer.

• Statement(s) 1 are correct:
• 1. The Western Ghats are higher and more continuous than the Eastern Ghats.
• Statement(s) 2 is/are incorrect:
• 2. The Eastern Ghats are a UNESCO World Heritage Site, whereas the Western Ghats are not.

Correct Option: Option (C) — 1 and 3 only is the correct answer.

• Statement(s) 1, 3 are correct:
• 1. The auction of 3G spectrum in India was conducted in 2010.
• 3. The Unique Identification Authority of India began issuing Aadhaar numbers in 2010.
• Statement(s) 2 is/are incorrect:
• 2. The 2G spectrum licences in 2008 were allocated through an open competitive auction.

Peroxyacetyl nitrate (PAN, CH₃COOONO₂) is a potent secondary air pollutant formed within photochemical smog through atmospheric reactions between nitrogen oxides (NO_x) and volatile organic hydrocarbons (VOCs) driven by solar ultraviolet radiation. PAN is an extremely powerful lachrymatory agent (tear-inducing irritant); even in minute trace concentrations of a few parts per billion (ppb), it causes acute burning sensations, conjunctival irritation, and copious tearing in human eyes. In addition to ocular irritation, PAN attacks pulmonary tissue and causes extensive chlorosis and leaf-silvering in agricultural crops.

Correct Option: Option (C) — Both 1 and 2 is the correct answer.

• All given statements are correct:
• 1. The revolt began at Meerut on 10 May 1857.
• 2. Bahadur Shah Zafar was proclaimed the Emperor of India by the rebel sepoys.

Correct Option: Option (D) — 1 and 3 only is the correct answer.

• Statement(s) 1, 3 are correct:
• 1. Safety Data Sheets (SDS) under the Globally Harmonized System (GHS) provide standardized information regarding chemical hazards, handling precautions, and emergency measures.
• 3. Equipment interlocks and fume hood face-velocity monitoring standards are critical components of laboratory engineering controls designed to protect personnel from toxic exposure.
• Statement(s) 2 is/are incorrect:
• 2. Laboratory personnel are permitted to store incompatible chemicals (such as strong acids and organic solvents) together in unrestricted open containers without secondary containment.

Correct Answer: Option (A) — Mars Mars is regarded by astrobiologists and planetary exploration agencies (such as NASA, ESA, and ISRO) as the most plausible planetary candidate in the Solar System capable of having harbored past microbial life or supporting future human colonization. Mars possesses a solid rocky surface, an axial tilt of 25.19° (giving it seasons similar to Earth), a diurnal rotation period (sol = 24 hours 39 minutes) very close to Earth's, polar ice caps containing abundant frozen water, and extensive geologic evidence of ancient flowing liquid rivers and standing lakes (paleolakes). Missions have detected sub-surface water ice, organic molecules, and atmospheric methane plumes.

Coal accounts for the dominant share of thermal power generation in India. The Singrauli Coalfield spans across northern Madhya Pradesh and the southern tip of Uttar Pradesh.

Correct Option: Option (D) — 1, 2 and 3 is the correct answer.

• All given statements are correct:
• 1. The Tropic of Cancer passes through eight Indian states.
• 2. The Indian Standard Meridian (82°30'E) passes through Mirzapur in Uttar Pradesh.
• 3. India is the seventh largest country in the world in terms of area.

Although the Constitution of India does not explicitly classify the Directive Principles of State Policy (DPSPs contained in Part IV, Articles 36–51), constitutional jurists classify them based on their ideological content into three broad categories:

1. Socialistic Principles: Aiming to establish a welfare state and eradicate socio-economic disparities (Articles 38, 39, 39A, 41, 42, 43, 43A, 47).
2. Gandhian Principles: Reflecting the programme of national reconstruction enunciated by Mahatma Gandhi (Articles 40, 43, 43B, 46, 47, 48).
3. Liberal-Intellectual Principles: Representing the ideology of liberalism (Articles 44, 45, 48, 48A, 49, 50, 51).

Ashok Kumar Chanda, who served as the Comptroller and Auditor General (CAG) of India from 1954 to 1960 and was an eminent administrative thinker, characterized the erstwhile Planning Commission of India as the 'Super Cabinet' and 'Economic Cabinet'. In his critical evaluation of Indian federal administration, Chanda argued that the Planning Commission, despite being an extra-constitutional, non-statutory body set up merely by a cabinet resolution, had superseded the authority of constitutional ministries and compromised the financial autonomy of states by dominating national resource allocations.

Women played a heroic and leadership role in the 1857 war of independence, commanding troops, issuing royal firmans, and mobilizing peasant resistance against British rule.

Geographical boundary analysis of Uttar Pradesh districts:

• Lalitpur: Forms a southern peninsula jutting deep into Madhya Pradesh. It is bounded on three sides (north, west, and south) by Madhya Pradesh (districts of Tikamgarh, Chhatarpur, Sagar, Ashoknagar, and Shivpuri). Within Uttar Pradesh, Lalitpur shares its boundary with only ONE district: Jhansi.
• Saharanpur: Located at the northernmost tip of UP. Within Uttar Pradesh, Saharanpur borders two districts: Muzaffarnagar and Shamli (along with 3 states: Uttarakhand, Himachal Pradesh, and Haryana).
• Sonbhadra: Located at the southeastern tip of UP. Within Uttar Pradesh, Sonbhadra borders two districts: Mirzapur and Chandauli (along with 4 states: MP, Chhattisgarh, Jharkhand, and Bihar).

Therefore, the only district that shares its boundary with ONLY ONE other district of Uttar Pradesh is Only 1 (Lalitpur).

Correct Option: Option (A) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. The Mansabdari system was organised under Akbar.
• 2. The Zabt system of land revenue assessment was associated with Raja Todar Mal.
• Statement(s) 3 is/are incorrect:
• 3. Din-i-Ilahi was formally declared the state religion of the Mughal Empire by Akbar.

Under Article 172(2) of the Indian Constitution, the Legislative Council (Vidhan Parishad) of a State is a permanent chamber not subject to dissolution; one-third of its members retire every second year. However, unlike the Rajya Sabha (Council of States), which can neither be dissolved nor abolished, Article 169 empowers Parliament to abolish a Legislative Council where it exists or create one where it does not exist. This parliamentary action requires that the Legislative Assembly of the concerned State pass a resolution to that effect by a special majority (a majority of the total membership of the Assembly and a majority of not less than two-thirds of the members present and voting).

Candidates frequently confuse Rajya Sabha with State Legislative Councils. Both are permanent upper houses immune to dissolution, but Rajya Sabha is an indissoluble federal pillar of the Union that cannot be abolished, whereas a State Legislative Council can be abolished by Parliament under Article 169.

• Article 169: Abolition or creation of Legislative Councils in States.
• A law enacted by Parliament under Article 169 is passed by a simple majority and is not considered a constitutional amendment under Article 368.
• Currently, only 6 Indian states have a bicameral legislature: Uttar Pradesh, Bihar, Maharashtra, Karnataka, Andhra Pradesh, and Telangana.
• The maximum strength of a Legislative Council is fixed at one-third of the total strength of the Legislative Assembly, with a minimum of 40 members (Article 171).

The Lok Sabha and Legislative Assemblies are dissolved every 5 years or earlier by the President/Governor. The Rajya Sabha cannot be dissolved OR abolished. Thus, only the Legislative Council satisfies both unique criteria: it cannot be dissolved, but it can be abolished.

The Forest Survey of India (FSI), Dehradun, publishes the biennial India State of Forest Report (ISFR) assessing forest and tree cover across all states and districts.

Correct Option: Option (D) — 1, 2 and 3 is the correct answer.

• All given statements are correct:
• 1. Insulin is secreted by the pancreas and regulates blood sugar levels.
• 2. The normal human body temperature is about 37 degrees Celsius (98.6 degrees Fahrenheit).
• 3. The human heart has four chambers.

The 21st edition of the FIFA World Cup took place in Russia from 14 June to 15 July 2018 across 12 venues in 11 Russian cities. A total of 32 national teams competed in the tournament, representing five continental confederations: UEFA (Europe, 14 teams including host Russia), AFC (Asia, 5), CAF (Africa, 5), CONCACAF (North/Central America, 3), and CONMEBOL (South America, 5). The 32 teams were drawn into eight groups of four teams (Groups A through H). France emerged as the champions, defeating Croatia 4–2 in the final at Moscow's Luzhniki Stadium.

NIST selected Rijndael cipher as the Advanced Encryption Standard (AES) in 2001 (FIPS PUB 197) to replace DES. AES is a symmetric block cipher that operates on 128-bit blocks of data with key lengths of 128, 192, or 256 bits (utilizing 10, 12, or 14 rounds of substitution-permutation network operations respectively). It is globally deployed for securing classified government data and encrypting forensic disk images.

The Purvanchal Expressway is a 340.8 km long, 6-lane (expandable to 8 lanes) access-controlled highway developed by the Uttar Pradesh Expressways Industrial Development Authority (UPEIDA). Beginning at Chand Sarai village on the Lucknow-Sultanpur Road (NH-731) in Lucknow district, it terminates at village Haydaria on NH-31 in Ghazipur district. The expressway passes through 9 districts of Uttar Pradesh: Lucknow, Barabanki, Amethi, Sultanpur, Ayodhya (Faizabad), Ambedkar Nagar, Azamgarh, Mau, and Ghazipur. It does not pass through Basti.

India Ideas Summit 2020:

• Statement 1 is correct: The India Ideas Summit 2020 was organized virtually by the US-India Business Council (USIBC) on 22 July 2020. Prime Minister Narendra Modi delivered the keynote address at the summit, inviting US investors to invest across sectors such as healthcare, defense, space, energy, and digital technology in India.
• Statement 2 is incorrect: The official theme of the India Ideas Summit 2020 was 'Building a Better Future', NOT 'Empowering India'.

Therefore, only statement 1 is correct (Option A).

National Law University at Prayagraj:

• On 29 July 2020, the Uttar Pradesh State Cabinet chaired by Chief Minister Yogi Adityanath officially approved the establishment of a state-of-the-art National Law University (NLU) at Prayagraj (Allahabad).
• It was established under the Uttar Pradesh National Law University Act, 2020, and in December 2021, President Ram Nath Kovind laid the foundation stone.
• The university has been named Dr. Rajendra Prasad National Law University, Prayagraj, honoring India's first President, who was a brilliant legal scholar and began his legal career in Allahabad.
• It is the second National Law University in Uttar Pradesh, after Dr. Ram Manohar Lohiya National Law University (RMLNLU) in Lucknow.

Therefore, the cabinet approved the university at Prayagraj (Option D).

Conceptual & Factual Analysis:

Uttar Pradesh houses premier national scientific and medical research institutes, including IIT Kanpur, CDRI (Central Drug Research Institute, Lucknow), NBRI (National Botanical Research Institute, Lucknow), and IVRI (Bareilly).

Dimensional unit errors or confusing viral, bacterial, and fungal pathogens in biology questions.

• Scientific Discipline: Defence Technology
• Core Standard: NCERT Science (Classes IX to XII)
• Key Metric: Standard SI units, chemical formulas, or scientific classifications

Evaluation of statements regarding the Atal Tunnel:

1. Statement 1 is correct: Certified by the Guinness World Records, the Atal Tunnel is officially recognized as the world's longest single-tube highway tunnel above an altitude of 10,000 feet (3,048 metres), with an engineering length of 9.02 kilometres.
2. Statement 2 is correct: The tunnel is excavated beneath the Rohtang Pass in the Eastern Pir Panjal Range of the Himalayas in Himachal Pradesh, providing all-weather connectivity between Manali and the Lahaul-Spiti valley.

Therefore, both statements 1 and 2 are correct.

Section 264 of the Government of India Act 1935 provided for a Public Service Commission for each Province. Under the Constitution of India, Article 315 mandates a Public Service Commission for the Union and for each State.

On 4 July 2018, the Cabinet Committee on Economic Affairs (CCEA), chaired by Prime Minister Narendra Modi, approved the Minimum Support Prices (MSPs) for all Kharif crops of the 2018-19 season. This decision implemented the principle announced in the Union Budget 2018-19 to fix MSPs at a level of at least 1.5 times the all-India weighted average cost of production (A2+FL). Under this landmark revision, the MSP for Paddy (Common) was increased by Rs. 200 per quintal from Rs. 1,550 per quintal in 2017-18 to Rs. 1,750 per quintal for 2018-19. Paddy Grade 'A' was fixed at Rs. 1,770 per quintal.

Correct Option: Option (B) — 1 and 2 only is the correct answer.

• Statement(s) 1, 2 are correct:
• 1. Palk Strait — separates India and Sri Lanka
• 2. Strait of Malacca — lies between Malaysia and Sumatra
• Statement(s) 3 is/are incorrect:
• 3. Bab-el-Mandeb — connects the Red Sea with the Mediterranean Sea

Both Dr. Bharat Vatwani and Sonam Wangchuk were awarded the prestigious Ramon Magsaysay Award in 2018. Dr. Bharat Vatwani was recognized for his courageous commitment to rescuing and rehabilitating mentally ill street persons, while Sonam Wangchuk was honoured for community-driven educational and ecological reforms in Ladakh, including his invention of Ice Stupas.

The 10th annual BRICS Summit was held from 25 to 27 July 2018 in Johannesburg, South Africa. Hosted by South African President Cyril Ramaphosa at the Sandton Convention Centre, the summit was held under the theme 'BRICS in Africa: Collaboration for Inclusive Growth and Shared Prosperity in the 4th Industrial Revolution'. The summit brought together the heads of state of Brazil, Russia, India, China, and South Africa, concluding with the adoption of the Johannesburg Declaration.

Detailed match between Mughal Emperors and their Mausoleum/Tomb Locations:

| List-I (Emperor) | List-II (City of Tomb) |

| :--- | :--- |

| A. Babur | 4. Kabul (Bagh-e Babur, Afghanistan) |

| B. Humayun | 3. Delhi (Humayun's Tomb, Nizamuddin) |

| C. Jahangir | 2. Lahore (Shahdara Bagh, Pakistan) |

| D. Shah Jahan | 1. Agra (Taj Mahal, Uttar Pradesh) |

• Babur: Initially buried in Aram Bagh (Agra), his remains were later moved as per his will to his beloved garden Bagh-e Babur in Kabul.
• Humayun: His grand red-sandstone and marble mausoleum (precursor to the Taj Mahal) was built by his widow Bega Begum (Haji Begum) in Delhi.
• Jahangir: Buried at Shahdara Bagh on the banks of the Ravi River in Lahore, Pakistan (tomb constructed by his wife Nur Jahan).
• Shah Jahan: Entombed alongside his beloved empress Mumtaz Mahal inside the Taj Mahal in Agra.

Hence, the correct matching code is 4, 3, 2, 1.

Between the 11th and 12th centuries CE, Turkish military campaigns led by Mahmud of Ghazni and later Mu'izz al-Din Muhammad Ghori achieved decisive military and territorial success across Northern India, culminating in the establishment of the Delhi Sultanate in 1206 CE by Qutb-ud-din Aibak. Thus, Assertion (A) is factually correct.

The construction dates of these monumental South Indian temples follow the stylistic evolution from Pallava rock-cut architecture to mature Chola structural stone temples:

1. Sapt Pagoda (Pancha Rathas at Mahabalipuram) [IV]: Monolithic rock-cut shrines carved during the reign of Pallava king Narasimhavarman I 'Mamalla' (circa 630–668 CE).
2. Shore Temple of Mahabalipuram [III]: One of the earliest freestanding structural stone temples built under Pallava king Narasimhavarman II 'Rajasimha' (circa 700–728 CE).
3. Brihadisvara Temple at Thanjavur [I]: Grand structural temple dedicated to Shiva, constructed by the Chola emperor Rajaraja I and consecrated around 1010 CE.
4. Gangaikondacholapuram Temple [II]: Constructed by Rajaraja's son and successor, Rajendra I Chola, to commemorate his victorious military expedition to the Ganga valley around 1035 CE. Thus, the correct chronological sequence is IV -> III -> I -> II.

The Hathigumpha Inscription ('Elephant Cave' inscription) is incised on the overhanging brow of a natural cavern in the Udayagiri hills near Bhubaneswar, Odisha. Written in seventeen lines in the Prakrit language using the Brahmi script, it is the sole authentic biographical record of King Kharavela, the third and greatest ruler of the Mahameghavahana (Chedi) dynasty of Kalinga (dated circa 1st or 2nd century BCE). The inscription narrates his life and reign year by year, detailing his early education, accession at age 24, public works in Kalinganagari, military conquests against the Satavahanas, Rathikas, Bhojakas, and Magadha, and his retrieval of the sacred Jina image carted away by the Nandas centuries earlier.

Both historical statements are factually correct:

• Assertion (A) is true: The Muslim League Council originally accepted the Cabinet Mission Plan on 6 June 1946 because the grouping scheme (Sections A, B, and C) appeared to contain the seeds of Pakistan. However, after Jawaharlal Nehru's press statement on 10 July 1946 declaring that the Constituent Assembly would be sovereign and unfettered by predetermined groupings, Muhammad Ali Jinnah and the League Council passed a resolution on 29 July 1946 withdrawing their acceptance and announcing 'Direct Action Day' (16 August 1946).
• Reason (R) is true: When Viceroy Lord Wavell invited Jawaharlal Nehru to form an Interim Government on 2 September 1946, the Muslim League initially boycotted it. However, upon persistent urging by Wavell, the Muslim League decided to join the Interim Government on 26 October 1946 with five representatives (including Liaquat Ali Khan as Finance Member) to ensure that Congress did not consolidate sole executive power.
• Explanation Link: The League's decision to enter the Interim Government in October did not cause its withdrawal from the Cabinet Mission Plan in July; rather, the League joined the government with the explicit purpose of obstructing Congress from within while continuing to boycott the Constituent Assembly. Therefore, (R) is not the explanation of (A).

The Mesolithic period (circa 10,000 BCE to 6,000 BCE) marked a major economic shift from exclusive hunting-foraging to the earliest domestication of animals. The earliest and most well-documented archaeological evidence of animal domestication in the Indian subcontinent comes from two classic Mesolithic sites:

1. Bagor: Located on the Kothari river near Bhilwara in Rajasthan, excavated by V.N. Misra between 1968 and 1970. Bagor yielded extensive microlithic industries alongside animal bones of domesticated sheep, goats, and cattle dating to circa 5000–4500 BCE.
2. Adamgarh: Located in Hoshangabad (Narmadapuram) district of Madhya Pradesh, excavated by R.V. Joshi and M.D. Khare.

Geographical and architectural verification of medieval provincial monuments:

• Adina Masjid is located in Pandua (Malda district, West Bengal), NOT Mandu. It was constructed around 1373 CE by Sultan Sikandar Shah of the Ilyas Shahi dynasty. Designed on the plan of the Great Mosque of Damascus, it was one of the largest mosques built in medieval India. The historic site of Mandu (Madhya Pradesh), the capital of the Malwa Sultanate, is famous for Hoshang Shah's Tomb, Jami Masjid, Jahaz Mahal, and Hindola Mahal.
• Lal Darwaza Masjid is in Jaunpur (Uttar Pradesh), built in 1447 CE during the Sharqi Sultanate by Queen Rajye Bibi (consort of Sultan Mahmud Sharqi).
• Dakhil Darwaza is a massive ceremonial brick and terracotta gateway in Gaur (West Bengal), built by Sultan Barbak Shah in the late 15th century.
• Tin Darwaza (Three Gates) is an ornate triumphal gateway in Ahmedabad (Gujarat), constructed in 1415 CE by Sultan Ahmad Shah I.

Analysis of the Preamble to the Constitution of India:

• The Preamble to the Constitution of India solemnly resolves to constitute India into a:

> "SOVEREIGN SOCIALIST SECULAR DEMOCRATIC REPUBLIC"

and to secure to all its citizens Justice, Liberty, Equality, and Fraternity.

• While the words 'Sovereign', 'Democratic', and 'Secular' (added by the 42nd Amendment, 1976) are explicitly written in the Preamble, the word 'FEDERAL' is NOT mentioned anywhere in the Preamble (nor is it used in Article 1, which describes India as a 'Union of States').

Therefore, the word 'Federal' is NOT mentioned in the Preamble (Option D).

The historical chronological order of major educational commissions and policies in colonial India is:

1. Wood's Despatch (1854) [C]: Issued by Sir Charles Wood, President of the Board of Control, widely regarded as the 'Magna Carta of English Education in India'. It outlined a comprehensive scheme from primary education to university level, leading to the creation of universities at Calcutta, Bombay, and Madras in 1857.
2. Hunter Commission (1882) [A]: Appointed by Viceroy Lord Ripon under the chairmanship of Sir William Wilson Hunter to assess the progress of primary and secondary education since Wood's Despatch of 1854.
3. Sadler Commission (1917) [B]: The Calcutta University Commission headed by Dr. Michael Sadler, formed to investigate problems at Calcutta University, which recommended the creation of intermediate colleges and secondary education boards.
4. Sargent Plan (1944) [D]: Formulated by Sir John Sargent, Educational Advisor to the Government of India, titled the Report of the Central Advisory Board of Education on Post-War Educational Development in India, aimed at achieving universal literacy within forty years.

Chronological order: C (1854) -> A (1882) -> B (1917) -> D (1944).

In 1899, Vinayak Damodar Savarkar (Veer Savarkar) and his elder brother Ganesh Damodar Savarkar founded a secret patriotic youth society called 'Mitra Mela' in Nashik, Maharashtra. In 1904, at a gathering of around two hundred members, Savarkar reorganized this group and rechristened it as 'Abhinav Bharat Society' (Young India Society), consciously modelled on Giuseppe Mazzini's 'Young Italy' movement. The organization engaged in propagating revolutionary literature, arms smuggling, manufacturing explosives, and sending members abroad to study bomb-making techniques. In 1909, Anant Laxman Kanhere, a member of Abhinav Bharat, assassinated A.M.T. Jackson, the District Magistrate of Nashik.

Distinguish revolutionary societies by region and founder: Bhagat Singh founded the Naujawan Bharat Sabha (1926) in Punjab and reorganized the HSRA (1928); Barindra Kumar Ghosh and Bhupendranath Datta led the Anushilan Samiti and Yugantar in Bengal; Pulin Bihari Das founded and headed the Dhaka Anushilan Samiti.

• While in London at Shyamji Krishna Varma's India House, V.D. Savarkar wrote The Indian War of Independence 1857 (1909), which was banned by British authorities prior to publication.
• The Nashik Conspiracy Case (1910) led to Savarkar's arrest, extradition from London, his daring escape attempt at Marseilles (France), and subsequent conviction sentencing him to 50 years of transportation for life at the Cellular Jail in the Andamans.

Mitra Mela and Abhinav Bharat Society are the quintessential revolutionary organizations founded by V.D. Savarkar in Maharashtra, immediately distinguishing him from revolutionary leaders in Bengal (Barindra Ghosh, Pulin Bihari) and Punjab (Bhagat Singh).

Chronological Order of Historical Indian Battles:

1. III. Battle of Shakarkheda (11 October 1724): Fought in Berar between Nizam-ul-Mulk (Mir Qamar-ud-din) and Mubariz Khan (Mughal Subahdar of the Deccan). Nizam-ul-Mulk decisively defeated and killed Mubariz Khan, establishing the autonomous Asaf Jahi dynasty of Hyderabad.
2. IV. Battle of Bedara / Chinsurah (25 November 1759): Fought in Bengal between the British East India Company (led by Colonel Forde under Robert Clive) and the Dutch East India Company. The British crushed the Dutch, permanently eliminating Dutch colonial ambitions in India.
3. II. Battle of Porto Novo (1 July 1781): Fought during the Second Anglo-Mysore War at Porto Novo (Parangipettai, Tamil Nadu). British forces under Sir Eyre Coote decisively defeated Hyder Ali of Mysore.
4. I. Battle of Mudki (18 December 1845): Fought in Ferozepur, Punjab between the British East India Company (led by Sir Hugh Gough) and the Sikh Empire during the First Anglo-Sikh War.

Chronological sequence: III (1724) → IV (1759) → II (1781) → I (1845).

Therefore, the correct code is III IV II I (Option B).

Kunchikal Falls, situated on the Varahi River in the Shimoga district of Karnataka, is officially recognized by the World Waterfall Database and official Indian geographical records as the highest tiered/cascade waterfall in India, boasting a total cascade height of approximately 455 metres (1,493 feet).

• Jog Falls (also known as Gersoppa or Mahatma Gandhi Falls) is located on the Sharavati River in Karnataka with an un-tiered, single-plunge height of ~253 metres.
• Nohkalikai Falls (Meghalaya, 340 metres) is India's tallest plunge-type waterfall.
• Kevti (Keoti) Falls is situated on the Mahana River (a tributary of Tamsa/Tons) in Rewa, Madhya Pradesh (98 metres).
• Rakim Kund Falls is located on the Gayghat River in the Rohtas plateau, Bihar (168 metres).

The statement 'Vegetation is the true index of climate' constitutes the foundational premise of Wladimir Köppen's empirical scheme of world climate classification (first published in 1900, with major revisions in 1918 and 1936). Köppen adopted the phytogeographical vegetation zones identified by French-Swiss botanist Augustin Pyramus de Candolle (1874) and argued that plant species and native vegetation reflect the combined, long-term effect of temperature, moisture, and seasonal distribution far better than isolated meteorological instruments.

• C.W. Thornthwaite (1931, 1948) based his classification on precipitation effectiveness and potential evapotranspiration.
• Glenn Trewartha proposed a modified Köppen system.
• L. Dudley Stamp classified Indian climate based on rainfall and temperature thresholds.