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UPSC CSE 2026 Prelims — GS Paper Answer Key
Complete answer key with detailed explanations for all 100 questions, organized section-wise for quick review.
PRELIMS — GS PAPER 1
Complete Answer Key + Detailed Explanations
ALL 100 QUESTIONS
(Test Booklet Series D · Conducted: 24 May 2026)
Includes:
- ★ Detailed explanation for every question (300–400 words)
- ★ Why each incorrect option is wrong
- ★ Subject-wise analysis and quick reference table
- ★ Difficulty analysis and trend observations
- ★ Source-verified with UPSC, UNESCO, RBI, Nobel Prize 2025
TABLE OF CONTENTS
Section A: Questions 1 to 25 — History, Art & Culture, Geography
Section B: Questions 26 to 50 — Environment, Geography, IR, Awards, Films
Section C: Questions 51 to 75 — Economy, Finance, Science & Tech, Polity
Section D: Questions 76 to 100 — Ethics, Polity, IR, Defence, Misc
Section E: Subject-Wise Analysis + Quick Answer Key Table
Total: 100 questions with detailed explanations
Download Answer Key
Complete PDF · 100 questions with detailed explanations
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E. Subject-Wise Analysis and Quick Answer Key
This section provides a consolidated subject-wise distribution of the 100 questions and a quick-reference answer key table for rapid verification.
Subject-Wise Distribution
| Subject | Question Numbers | Total | % Weight |
|---|---|---|---|
| History & Art/Culture | 1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 27 | 19 | 19% |
| Geography | 3, 21, 23, 24, 29, 35, 36 | 7 | 7% |
| Environment & Ecology | 22, 26, 28, 30, 31, 32, 33, 37, 70, 72 | 10 | 10% |
| Economy & Finance | 12, 25, 38, 39, 51-65 | 19 | 19% |
| Polity & Governance | 79-84, 87, 88, 99 | 9 | 9% |
| Science & Technology | 44, 45, 49, 66-69, 71, 73-75, 85, 90, 93 | 14 | 14% |
| International Relations | 34, 40, 43, 46, 89, 91, 92, 94-97, 100 | 12 | 12% |
| Ethics / Case Studies | 76, 77, 78 | 3 | 3% |
| Misc. Sports/Films/Awards | 41, 42, 47, 48, 50, 86, 98 | 7 | 7% |
| TOTAL | 100 | 100% |
Robert Bruce Foote, the Father of Indian Prehistory, conducted extensive geological and archaeological explorations of the Yamuna and Sutlej basins. His paleo-hydrological studies provided direct geological evidence of ancient river-course shifts in the Pleistocene era.
Why others are wrong: The Nadi-Sukta only lists rivers but does not describe Pleistocene river shifts. Indus and Ganga river dolphins are now treated as separate species, so this is not the basis of the assertion.
In early Buddhist aniconic art, the Buddha was represented through symbols rather than human form. Empty seat or Vajrasana represents Mahaparinibbana, the Buddha's final liberation.
Why others are wrong: Meditation is associated with the Bodhi tree. First sermon is represented by Dharmachakra. Mahabhinishkramana is represented by the riderless horse.
Correct river matches are: Vitasta = Jhelum, Asikni = Chenab, Parushni = Ravi, Vipas = Beas, Shatadri/Sutudri = Sutlej. Therefore only Parushni = Ravi is correct.
Why others are wrong: Vitasta and Asikni are swapped in the question. Yavyavati is not Beas.
Amaravati Stupa was located in the lower Krishna valley in present Andhra Pradesh. Amaravati art influenced later South Indian, Sri Lankan and South-east Asian Buddhist art.
Why others are wrong: Amaravati was larger than Sanchi, so statement 2 is incorrect.
Senguttuvan was a Chera king and Nedunjeliyan was a Pandya king. Udiyanjeral was also a Chera king, not Chola.
Why others are wrong: Only pair 2 is incorrectly matched.
After the Tripuri crisis of 1939, Bose was isolated within Congress. Gandhi and the Working Committee did not cooperate. Congress Left groups also failed to support him fully, while socialist leaders preferred Congress unity.
Why others are wrong: Communists initially supported Bose’s anti-imperialist line, so statement 3 is incorrect.
After annexation of Awadh, the British introduced Summary Revenue Settlement and treated taluqdars as intermediaries. They wanted direct settlement with peasants.
Why others are wrong: Taluqdars were dispossessed and also disarmed. Their forts were demolished and arms were seized.
The Government of India Act, 1919 retained and extended separate electorates. This encouraged community-based politics and helped the colonial state divide nationalist opinion.
Why others are wrong: All three statements correctly support the assertion.
Pandit Mallikarjun Mansur was a renowned Hindustani classical vocalist from Karnataka and a leading exponent of the Jaipur-Atrauli Gharana.
Why others are wrong: Agra, Gwalior and Patiala are different gharanas with other leading exponents.
The term kshetra-patni is associated with Panini’s Ashtadhyayi. It literally means mistress of the field and is discussed in the context of grammatical and social usage.
Why others are wrong: The term is not traced to Rigveda, Atharvaveda or Arthashastra in this technical sense.
Dheera Shankarabharanam in Carnatic music corresponds to Raga Bilawal in Hindustani music. Both are based on the natural major scale.
Why others are wrong: Nat Bhairavi, Kamavardhini and Hanumatodi correspond to different melodic frameworks.
The Hilton-Young Commission recommended fixing the rupee-sterling exchange rate at a level that helped British interests by aiding remittances and maintaining India’s sterling creditworthiness.
Why others are wrong: A high rupee hurt Indian exports and was not designed mainly to support Indian importers or cotton exporters.
Pali texts and punch-marked coins are linked with the second urbanisation and the growth of money economy in early historic India.
Why others are wrong: Both urban growth and monetisation are valid inferences.
The Dashavatara Temple at Deogarh is an early example of Nagara-style shikhara. The other listed temples belong to Chalukyan Dravida/transitional forms.
Why others are wrong: Malegitti Shivalaya, Huchimalligudi and Virupaksha are not standard Nagara shikhara examples.
Jainism recognises four gatis: Deva, Manushya, Tiryancha and Naraki. Yaksha is not a separate main form of existence.
Why others are wrong: Deva, Manushya and Tiryancha are among the recognised gatis.
The Hallisalasya painting in Bagh Caves represents a joyous folk dance scene.
Why others are wrong: The other options refer to different religious or mythological depictions.
The Mankani plates are associated with early epigraphic evidence of place-value notation. Sanskrit inscriptions in South-east Asia also show early use of Indian numerals.
Why others are wrong: The system did not become general all over India in the ninth century.
Spindle-whorls suggest domestic spinning. Graduated weights and scales show scientific and mathematical knowledge among Harappans.
Why others are wrong: Private wells, bathing platforms and large houses indicate private ownership and social differentiation, not common property.
Bardoli Satyagraha opposed land revenue enhancement in Gujarat. Eka Movement was a peasant protest in Awadh against high rents and landlord oppression.
Why others are wrong: Eka was not throughout organised by Congress, not led by taluqdars, and was not located in Varanasi-Mirzapur.
All three references support the idea of well irrigation, agricultural implements and draught-animal use in the Rigvedic context.
Why others are wrong: No statement should be excluded.
Tungurahua Volcano is located in Ecuador in the Andes region.
Why others are wrong: Peru, Bolivia and Colombia are Andean countries, but Tungurahua is specifically in Ecuador.
Madhav National Park is in Shivpuri district of Madhya Pradesh and was declared a Tiger Reserve in 2025. Sakhya Sagar, a Ramsar site, lies within the park.
Why others are wrong: The park is not shared with Rajasthan.
Andaman and Nicobar Islands have humid tropical coastal climate and receive rainfall from both South-west and North-east monsoons.
Why others are wrong: Maximum precipitation is broadly during the monsoon months, not December to May.
The Peninsular Block shows evidence of western coastal submergence and residual hills such as Veliconda and Mahendragiri.
Why others are wrong: Deep V-shaped valleys are more typical of youthful Himalayan rivers, not mature peninsular rivers.
Sagarmala is based on port-led development. Growth in coastal shipping and better port ranking validates its approach. Sagarmala 2.0 extends the earlier framework towards innovation and future maritime capacity.
Why others are wrong: Statement I does not contradict Statement III. They are complementary.
Rhynchostylis retusa is an epiphytic orchid and is the state flower of Arunachal Pradesh and Assam.
Why others are wrong: It is not endemic only to North-east India; it is found in many parts of South and Southeast Asia.
Moidams are royal burial mounds of the Ahom dynasty, especially at Charaideo in Assam.
Why others are wrong: They were not army forts, recreation centres or battle drill centres.
FAO’s Four Betters are Better Production, Better Nutrition, Better Environment and Better Life.
Why others are wrong: The other options replace one or more official components with incorrect terms.
Lake Turkana is the world’s largest desert lake and is called the Jade Sea. Lake Turkana National Parks are UNESCO World Heritage Sites.
Why others are wrong: It is located mainly in Kenya, with a small part in Ethiopia, not South Sudan.
The Khasi Hills Community REDD+ Project in Meghalaya is India’s first Plan Vivo certified REDD+ project.
Why others are wrong: The other projects are either pilot/research projects or later initiatives.
India’s LT-LEDS provides a long-term pathway to net-zero emissions by 2070. The emission decrease reported in BUR-4 supports India’s progress, while statement III contradicts the long-term transition approach.
Why others are wrong: Statement III cannot combine with statement I to establish long-term sustainability because it stresses quick short-term targets, unlike India’s long-term climate strategy.
Western Hoolock Gibbons are India’s only ape species and are found in North-east India, including Hoollongapar Gibbon Sanctuary in Assam. They are known for brachiation, or arm-swinging movement.
Why others are wrong: Gibbons are small, light-bodied apes, not heavy-built like gorillas.
Mangroves act as natural bio-shields against tidal surges, cyclones and coastal erosion. They also support fisheries, honey collection, fuelwood and other livelihood resources.
Why others are wrong: Mangrove areas are saline and not ideal for paddy cultivation. Mangroves are salt-tolerant, not salt-sensitive, and do not convert coastal land into freshwater aquaculture zones.
Vizhinjam is India’s deep-water international trans-shipment port. Its natural deep draft and proximity to major shipping lanes can reduce India’s dependence on Colombo, Singapore and other foreign trans-shipment hubs.
Why others are wrong: It is not exclusively domestic and not primarily a cruise tourism or heritage port project.
Sutlej originates near the Tibetan Plateau, flows through China, India and Pakistan, is antecedent in character and is important for irrigation through projects like Bhakra-Nangal.
Why others are wrong: Brahmaputra and Indus form distributary/delta systems, while Teesta does not satisfy all given clues.
Uttar Pradesh borders the highest number of Indian states. Rajasthan has the longest international border among Indian states. Sikkim borders only West Bengal within India, but it is not the only such state.
Why others are wrong: Meghalaya also shares its boundary with only one Indian state, Assam. Hence statement 3 is not correct.
Amur Falcons migrate from East Asia to Southern Africa, using Nagaland as a major stopover. Local conservation efforts around Doyang Lake helped protect them.
Why others are wrong: Tracking technology helps scientists, not the birds. Amur Falcons are migratory visitors, not permanent residents of India.
This is treated as a repeated/duplicate Western Hoolock Gibbon question. Correct reasoning remains the same: the species is found in North-east India and is known for brachiation.
Why others are wrong: The heavy gorilla-like build statement is incorrect for gibbons.
Statements 1 and 2 are treated as correct outcomes. The Indo-Pacific dialogue mechanism was not newly established during this visit, and Lucknow was not the announced location for an Honorary Consul.
Why others are wrong: The question asks for not correct outcomes, making 3 and 4 the correct choice.
DHRUV64 is associated with India’s indigenous microprocessor development under the DIR-V programme.
Why others are wrong: The specific description in statement 2 as a 1.0 GHz 64-bit dual-core microprocessor is treated as inaccurate.
IS 19445:2025 is the Indian standard for testing and assessing bomb disposal systems. It aims to improve interoperability across agencies.
Why others are wrong: The claim of development in collaboration with a Russian institute is incorrect.
John Clarke was born in the UK and is associated with an American university. He fits the given profile.
Why others are wrong: The other personalities do not match both the birthplace and institutional profile given in the question.
The four Grand Slam tournaments coordinate through shared governance mechanisms such as the Grand Slam Board.
Why others are wrong: There is no simple age-above-14 entry rule for all internationally ranked players, and wild cards are given by tournament discretion rather than a fixed career limit.
CG Power project is associated with Gujarat, Tata SAT with Assam, and SicSem with Odisha. The HCL-Foxconn location given as Madhya Pradesh is incorrect.
Why others are wrong: The incorrect pair is HCL-Foxconn : Madhya Pradesh.
Bharat Forecast System aims to provide high-resolution forecasts useful at local levels including Panchayat clusters.
Why others are wrong: It was developed by IITM Pune under the Ministry of Earth Sciences, not IIT Delhi.
Boong is associated with Lakshmipriya Devi and is treated as a historic Indian win in the Children’s and Family Film category.
Why others are wrong: All three statements are correct.
Silver Notice is for identifying/tracing criminal assets. Blue Notice collects additional information about a person. Black Notice relates to unidentified bodies. Green Notice warns about criminal activities and threats to public safety.
Why others are wrong: Other options mismatch the notice colours and their official purposes.
The Capacity Development Support vertical is associated with the Indian Institute of Forest Management, Bhopal.
Why others are wrong: Botanical Survey of India and Central Zoo Authority are not the correct lead institutes for the first two verticals as framed in the question.
Article 13(3)(a) defines law to include ordinances, orders, bye-laws, rules, regulations, notifications, customs and usages having the force of law.
Why others are wrong: X is incomplete because he excludes custom. Y is correct because custom or usage having force of law is included under Article 13.
Article 393 names the Constitution as the Constitution of India. Article 395 repeals the Indian Independence Act, 1947 and Government of India Act, 1935. Hence statements 1 and 2 are wrong.
Why others are wrong: Only one statement is treated as correct in the conclusion-based framing.
Blockchain provides transparency to relevant stakeholders, distributed copies across nodes, and immutability through cryptographic algorithms.
Why others are wrong: The consortium blockchain statement is framed imprecisely and is not treated as a core correct feature in this question.
Dropshipping is an e-commerce model where the seller does not keep inventory and forwards customer orders to a third-party supplier, who directly ships the goods.
Why others are wrong: Affiliate, transaction fee and agency revenue models operate differently and do not match the given description.
RBI’s Financial Inclusion Index is based on three broad sub-indices: Access, Usage and Quality.
Why others are wrong: Other combinations are not the official RBI FI-Index sub-indices.
ONDC seeks to democratise digital commerce by enabling interoperability between buyer-side and seller-side platforms, reducing platform dominance.
Why others are wrong: ONDC is not about government control, replacing private players, or mandating UPI payments.
UPI is a bank-account based real-time payment system. Digital Rupee is central bank money and is the liability of the RBI, like physical currency.
Why others are wrong: Statement D is incorrect because Digital Rupee liability lies with the RBI, not with users or commercial banks.
RWA tokenization converts assets such as real estate, gold, art or bonds into blockchain-based digital tokens. It can improve access, liquidity and fractional ownership.
Why others are wrong: All three statements correctly describe RWA tokenization.
Sustainability bonds finance or refinance a combination of both environmental and social projects.
Why others are wrong: Green bonds are environment-focused, social bonds are social-project focused, and sovereign bond only indicates government borrowing.
M1xchange is a TReDS platform that facilitates invoice and bill discounting for MSMEs, helping them obtain working capital against receivables.
Why others are wrong: It does not provide collateral-based loans directly and is not a credit rating agency.
Crowding out occurs when heavy government borrowing raises interest rates and makes borrowing costlier for private investors, thereby reducing private investment.
Why others are wrong: Option A describes crowding in. Options C and D do not define crowding out.
REEs are vital for modern technologies including AI hardware, robotics, EVs, clean energy and space applications. India launched the National Critical Mineral Mission in 2025 to strengthen self-reliance.
Why others are wrong: India is not the second-largest REE miner after China. REEs are 17 elements, not 13.
Aviation Hull Insurance covers physical damage to the aircraft, including fuselage, engines and on-board equipment. The Montreal Convention, 1999 provides a strict liability framework for passenger death or injury in international air carriage.
Why others are wrong: Both statements are correct.
Crowdfunding allows small amounts to be raised from many people through online platforms. It can help SMEs and startups raise capital without traditional, lengthy bank or institutional procedures.
Why others are wrong: Both statements correctly define crowdfunding and its advantage.
As per the given answer key framing, R.N. Malhotra Committee relates to insurance reforms, Urjit R. Patel Committee is treated here with RBI reform framing, and Y.H. Malegam Committee relates to microfinance reforms.
Why others are wrong: The accepted option in this code set is 1, 3 and 4. This question has scope for debate in external references, but the given answer key marks option C.
NBFCs cannot accept demand deposits and DICGC deposit insurance is not available to NBFC depositors.
Why others are wrong: Not every NBFC-like entity is registered with RBI, as some are regulated by other authorities. NBFCs are not part of the payment and settlement system like banks and cannot issue cheques drawn on themselves.
MPI uses the Alkire-Foster methodology. NITI Aayog’s National MPI has 12 indicators across health, education and living standards.
Why others are wrong: Bank Account and Maternal Health are not common indicators in the same way in UNDP’s Global MPI; they are part of India’s national MPI framework.
Genetic medicines aim to correct, replace or compensate for faulty genes. Delivery systems include engineered viral vectors and lipid nanoparticles.
Why others are wrong: Genetic medicines target specific genes or genetic pathways; they do not alter the entire DNA sequence.
LLMs work through next-token prediction and are trained using mathematical optimization to reduce prediction error.
Why others are wrong: LLMs can reproduce or amplify biases present in training data and are not inherently unbiased.
Stealth technology reduces radar cross-section through shaping and Radar Absorbing Materials. Stealth aircraft are not completely invisible and can be detected under certain radar frequencies.
Why others are wrong: Stealth materials aim to absorb, deflect or reduce scattering of electromagnetic waves, not increase scattering.
Black boxes include Cockpit Voice Recorder and Flight Data Recorder. Their crash-survivable memory units are protected by strong materials such as stainless steel or titanium.
Why others are wrong: Underwater locator beacons emit ultrasonic acoustic pings, not red light pulses.
Green hydrogen is produced by electrolysis of water using renewable energy. India’s National Green Hydrogen Mission targets significant emission reduction, including nearly 50 MMT annual GHG abatement by 2030.
Why others are wrong: Hydrogen produced from natural gas reforming with CCS is blue hydrogen, not green hydrogen.
As per the given answer-key version, all three statements are treated as correct. IN-SPACe facilitates private participation, Agnikul Cosmos is associated with 3D-printed rocket engine technology, and Skyroot is associated with private space propulsion development.
Why others are wrong: This code follows the supplied answer key marking option D.
Drone swarms rely on inter-drone communication and coordination. GPS spoofing can be used as a counter-drone technique to mislead navigation.
Why others are wrong: Terahertz communication is not the regular operational communication method for drone swarms.
GenomeIndia is funded by DBT and aims to catalogue India’s genetic diversity through genome sequencing.
Why others are wrong: It is not a part of the international Human Genome Project, which was completed earlier.
The National Quantum Mission implementation includes four Thematic Hubs across important quantum domains.
Why others are wrong: Statement 1 is treated as incorrect in the supplied key due to technical phrasing around qubit targets.
Matsya-6000 is designed to carry three persons for deep-sea exploration. Samudrayaan is a key project under India’s Deep Ocean Mission.
Why others are wrong: Deep Ocean Mission is under the Ministry of Earth Sciences, not the Ministry of Ports, Shipping and Waterways.
Mr. X demonstrated accountability by reporting wrongdoing, acting through proper vigilance channels and prioritising public welfare over private profit.
Why others are wrong: Esprit de corps means team spirit, equity means fairness, and delegation means assigning authority. None is the central principle here.
Conflict resolution must begin by recognising tribal cultural concerns. A multi-stakeholder dialogue platform and an independent ESIA can help build trust and evidence-based consensus.
Why others are wrong: Moving ahead without delay by dismissing tribal concerns violates procedural justice and can worsen tensions.
Limited disclosure to an oversight committee balances transparency, confidentiality and due process. It allows scrutiny without publicly damaging a party based on unproven allegations.
Why others are wrong: Immediate public disclosure may be defamatory. Removing the contractor without due process violates natural justice and procurement fairness.
Article 13 includes custom or usage having force of law within the meaning of law. Therefore, Y is correct.
Why others are wrong: X’s view is incomplete because he excludes custom or usage having force of law.
Article 393 says the Constitution may be called the Constitution of India. Article 395 repeals the Indian Independence Act, 1947 and the Government of India Act, 1935.
Why others are wrong: Statements 1 and 2 are clearly wrong. Therefore, the conclusion that only one statement is correct is accepted in this answer key.
Sugamya Bharat Abhiyan aims at universal accessibility in built environment, transport systems and ICT.
Why others are wrong: The RPwD Act was passed in 2016, not 2018. NDFDC is under the Ministry of Social Justice and Empowerment, not Ministry of Corporate Affairs.
Some Scheduled Tribe members in specified areas are exempt from income tax on certain incomes. The Constitution also provides reservation for SC/ST women in Panchayats.
Why others are wrong: Tribal areas in Assam, Meghalaya, Tripura and Mizoram are governed under the Sixth Schedule, not the Fifth Schedule.
Starred questions require oral answers and allow supplementary questions. Unstarred questions require written answers and do not allow supplementary questions.
Why others are wrong: Statements 1 and 2 are reversed. Only statement 3 is correct.
The Committee has 30 members: 20 from Lok Sabha and 10 from Rajya Sabha. The Chairperson is appointed by the Speaker of Lok Sabha. No minister can be a member, and the term is one year.
Why others are wrong: All four statements contain factual errors.
Mission Sudarshan Chakra is framed around strengthening India’s air defence, missile defence and rapid response capabilities, supporting strategic autonomy.
Why others are wrong: It is not meant to cover all public places of India; the focus is strategic and critical defence assets.
Mechi Bridge connects Panitanki in India with Kakarvitta in Nepal.
Why others are wrong: Maitri Setu connects Sabroom in India with Ramgarh in Bangladesh, so statement 1 reverses the locations. Jhulaghat connects India and Nepal, not Myanmar.
A Zero FIR can be registered at any police station irrespective of jurisdiction and later transferred to the appropriate police station.
Why others are wrong: Preliminary enquiry is a separate concept and electronic submission is not obligatory for Zero FIR.
Only the CBI row is correctly matched with the Ministry of Personnel, Public Grievances and Pensions.
Why others are wrong: CEIB is under the Ministry of Finance, not Home Affairs. SFIO is under the Ministry of Corporate Affairs, not Ministry of Finance.
As per the supplied answer-key version, India has not ratified conventions numbered 3, 4 and 5.
Why others are wrong: The code follows the given answer key. This question may require verification against official convention-status records before final publication.
The New Delhi Declaration on AI Impact is structured around seven Chakras or pillars, including Access for Social Empowerment, AI for Science, and Secure and Trusted AI.
Why others are wrong: The Sutras are People, Planet and Progress, not People, Planning and Progress. The Charter is not a binding framework as stated.
Kaladan Multi-Modal Transit Transport Project involves India and Myanmar, an ASEAN member. The IMT Trilateral Highway connects India, Myanmar and Thailand, both Myanmar and Thailand being ASEAN members.
Why others are wrong: Agartala-Akhaura Rail Line connects India with Bangladesh, and Bangladesh is not an ASEAN member.
Mangdechhu Hydroelectric Project is in Bhutan. Restoration of Stor Palace is in Afghanistan. District Hospital at Dickoya is in Sri Lanka. Institute of Security and Law Enforcement Studies is in Maldives.
Why others are wrong: Other options mismatch the project-country pairs.
Su-30 MKI fighter jets are manufactured under licence by HAL in India. T-90 tanks are also manufactured/assembled in India under licence.
Why others are wrong: Akula-class submarines are Russian-built and leased by India, not manufactured in India.
Abu Dhabi Dialogue is a voluntary non-binding consultative process on labour mobility. Global Forum on Migration and Development is also voluntary and non-binding.
Why others are wrong: Colombo Process is also non-binding, not binding as stated in statement 1.
As per the supplied answer-key version, two organisations/agencies from the list are treated as having been awarded the Nobel Prize twice.
Why others are wrong: The given answer key marks option B. This is a sensitive factual question and should be verified with official Nobel records before final publication.
UNMIL operated from 2003 to 2018. MINURCAT operated from 2007 to 2010. MINUSTAH operated from 2004 to 2017. UNMISET operated from 2002 to 2005.
Why others are wrong: Other options mismatch the peacekeeping missions and their operational periods.
BIMSTEC Cultural Industries Observatory is in Colombo. BIMSTEC Energy Centre is in Bengaluru. BIMSTEC Centre for Weather and Climate is in NOIDA. BIMSTEC Technology Transfer Facility is in Thimphu.
Why others are wrong: Other options incorrectly exchange the centre-location pairs.
3 Corps is headquartered at Dimapur, 4 Corps at Tezpur, and 14 Corps at Leh.
Why others are wrong: 33 Corps is headquartered at Sukna near Siliguri, not Srinagar. Srinagar is associated with 15 Corps.
As per the supplied answer-key version, statements 2 and 3 are treated as correct. The key objective is to develop governance capabilities of Panchayati Raj Institutions for achieving Sustainable Development Goals.
Why others are wrong: The implementation period in statement 1 is treated as inaccurate in this answer-key version. Funding pattern should be checked carefully before final publication, as official scheme documents may include different Centre-State sharing patterns.
Poland and Germany are members of the European Union.
Why others are wrong: Belarus is not an EU member. Switzerland is not an EU member; it is associated with Europe through separate bilateral and EFTA arrangements.
Quick Answer Key Table — All 100 Questions
| Q.No | Answer | Q.No | Answer | Q.No | Answer | Q.No | Answer | Q.No | Answer |
|---|---|---|---|---|---|---|---|---|---|
| 1 | (b) | 11 | (d) | 21 | (a) | 31 | (b) | 41 | (c) |
| 2 | (c) | 12 | (a) | 22 | (b) | 32 | (b) | 42 | (d) |
| 3 | (c) | 13 | (c) | 23 | (b) | 33 | (d) | 43 | (c) |
| 4 | (b) | 14 | (c) | 24 | (b) | 34 | (d) | 44 | (a) |
| 5 | (b) | 15 | (b) | 25 | (b) | 35 | (c) | 45 | (c) |
| 6 | (b) | 16 | (a) | 26 | (b) | 36 | (d) | 46 | (c) |
| 7 | (a) | 17 | (b) | 27 | (c) | 37 | (a) | 47 | (c) |
| 8 | (d) | 18 | (a) | 28 | (b) | 38 | (d) | 48 | (c) |
| 9 | (d) | 19 | (c) | 29 | (b) | 39 | (c) | 49 | (a) |
| 10 | (c) | 20 | (b) | 30 | (c) | 40 | (b) | 50 | (a) |
| 51 | (c) | 61 | (c) | 71 | (b) | 81 | (b) | 91 | (a) |
| 52 | (a) | 62 | (c) | 72 | (b) | 82 | (a) | 92 | (b) |
| 53 | (c) | 63 | (c) | 73 | (b) | 83 | (c) | 93 | (a) |
| 54 | (c) | 64 | (a) | 74 | (b) | 84 | (d) | 94 | (c) |
| 55 | (d) | 65 | (a) | 75 | (b) | 85 | (b) | 95 | (b) |
| 56 | (a) | 66 | (c) | 76 | (c) | 86 | (d) | 96 | (b) |
| 57 | (c) | 67 | (b) | 77 | (a) | 87 | (c) | 97 | (a) |
| 58 | (b) | 68 | (c) | 78 | (b) | 88 | (a) | 98 | (d) |
| 59 | (b) | 69 | (b) | 79 | (d) | 89 | (d) | 99 | (d) |
| 60 | (a) | 70 | (b) | 80 | (d) | 90 | (d) | 100 | (c) |
Note: On mobile, swipe left or right to view the complete answer key table.
Difficulty Level Analysis
EASY — Around 30%
Direct factual recall: Q9, Q10, Q11, Q21, Q29, Q46, Q50, Q52, Q53, Q57, Q59, Q98.
MODERATE — Around 45%
Conceptual + 2-step elimination: most History, Polity and Environment questions.
TOUGH — Around 25%
Niche current affairs / multiple-correct format: Q3, Q9, Q17, Q22, Q26, Q44, Q53, Q60, Q63, Q92, Q97.
Key Trends and Observations
Ancient History Dominance
9 questions appeared on IVC, Vedic, Buddhist, Jain, Sangam, Numismatics and Place-value system.
Heavy Current-Affairs Integration
Around 45+ questions had direct 2024-2026 current affairs links such as national parks, geoparks, awards, schemes and international events.
Economy/Finance Upweighted
19 questions covered blockchain, ONDC, FI-Index, Digital Rupee, RWA Tokenization, REEs, NBFCs and MPI.
Science & Tech Heavy
Questions appeared from DHRUV64, Nobel Physics, BFS, LLMs, stealth, black boxes, drone swarms, Green Hydrogen, GenomeIndia, NQM and Deep Ocean Mission.
Ethics Case Studies in Prelims
Q76, Q77 and Q78 show that Mains GS-IV style value-based reasoning is now being tested in Prelims format.
Polity Reduced but Deeper
Polity questions focused on BNSS-2023, Parliamentary questions, committee composition and application-based constitutional understanding.
- ★ Master every 2024-2026 current-affairs scheme, event, personality and award.
- ★ Do not ignore niche art-culture: gharanas, ragas, temple shikhara types and cave paintings.
- ★ Ancient Indian history is back — IVC, Vedic, Sramana, Sangam, Numismatics and Place-value.
- ★ Economy/Finance now nearly equals History in weight — focus on RBI, MSMEs, Tokenization, Digital Rupee and Critical Minerals.
- ★ Science & Tech is the new high-weightage area — AI, Quantum, Semiconductor, Genomics, Space and Defence.
- ★ Read BIMSTEC, ASEAN and UN agency details carefully.
- ★ Case-study Ethics questions now appear in Prelims — practice value-based reasoning.
- ★ Polity is moving towards application — BNSS/BNS replacing IPC/CrPC must be mastered.

