CivilsIASPrep.comUPSC PYQs: Basic Science
Review complete published questions grouped by topic: Basic Science.
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- Acid Rain3 published questions
- Administrative Tribunals2 published questions
- African lakes2 published questions
- Age ordering2 published questions
- Ages5 published questions
- Agricultural growth2 published questions
- Agricultural Subsidies2 published questions
- AI and employment2 published questions
- AI in agriculture2 published questions
- Algebra7 published questions
- Algebraic Comparison2 published questions
- Alphabet series2 published questions
- Alphametic arithmetic2 published questions
- Ancient History6 published questions
- Ancient India3 published questions
- Animal Behaviour2 published questions
- Animal Classification2 published questions
- Annie Besant2 published questions
- Anti-Defection Law3 published questions
- Arithmetic2 published questions
- Arithmetic Progression3 published questions
- Arrangement3 published questions
- Arrangement Puzzle6 published questions
- Art & Culture8 published questions
- Assumption3 published questions
- Assumptions13 published questions
- Assumptions from passage8 published questions
- Astronomy2 published questions
- Attitude2 published questions
- Attorney General3 published questions
- Attorney General of India2 published questions
- Average4 published questions
- Averages3 published questions
- Aviation technology2 published questions
- Balance of Payments3 published questions
- Banking Regulation2 published questions
- Basic Science3 published questions
- Bhakti Movement2 published questions
- Blood relations6 published questions
- Border Management2 published questions
- Border Security2 published questions
- BRICS2 published questions
- Buddha and Mahajanapadas2 published questions
- Buddhism4 published questions
- Calendar7 published questions
- Central Asia2 published questions
- Charts5 published questions
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- Citizens Charter2 published questions
- Civil Service Values4 published questions
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- Classical Languages2 published questions
- Clean fuel transition2 published questions
- Climate adaptation2 published questions
- Climate Change2 published questions
- Clock problems2 published questions
- Clocks3 published questions
- Cloudbursts2 published questions
- Coding-decoding12 published questions
- Colonial economy2 published questions
- Combinations3 published questions
- Combinatorics7 published questions
- Communalism2 published questions
- Communication Technology2 published questions
- Conflict Geography2 published questions
- Conflict of Interest3 published questions
- Constitution, Governance & Rights15 published questions
- Constitutional Amendment5 published questions
- Constitutional Amendments2 published questions
- Constitutional Bodies3 published questions
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- Constitutional reforms2 published questions
- Constitutionalism4 published questions
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- Corporate Governance2 published questions
- Council of Ministers2 published questions
- Counting2 published questions
- Counting digits3 published questions
- COVID-194 published questions
- Cripps Mission2 published questions
- Critical message2 published questions
- Crop Diversification2 published questions
- Crop genetic diversity2 published questions
- Crux of passage6 published questions
- Cube Reasoning4 published questions
- Cubes2 published questions
- Culture and handloom2 published questions
- Current Affairs (Art & Culture)2 published questions
- Current Affairs (Economics)5 published questions
- Current Affairs (Environment)6 published questions
- Current Affairs (Internal Security)2 published questions
- Current Affairs (International Relations)2 published questions
- Current Affairs (Polity & Governance)3 published questions
- Current Affairs (S&T)4 published questions
- Current Affairs (Social Schemes)3 published questions
- Cyber Security6 published questions
- Data Interpretation10 published questions
- Data sufficiency16 published questions
- Data sufficiency—number properties2 published questions
- Data sufficiency—ordering2 published questions
- Decomposers2 published questions
- Deductive Logic2 published questions
- Deficit Financing2 published questions
- Democratic opposition2 published questions
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- Digit puzzle3 published questions
- Digital Economy2 published questions
- Digital Education2 published questions
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- Direction sense6 published questions
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- Directive Principles of State Policy2 published questions
- Disability rights3 published questions
- Divisibility6 published questions
- Double deflation2 published questions
- E-Governance4 published questions
- Ecological Succession2 published questions
- Ecology, Agriculture & Climate16 published questions
- Economic insecurity2 published questions
- Economics23 published questions
- Economy, Banking & Development21 published questions
- Ecosystem-livelihood trade-offs2 published questions
- Education2 published questions
- Education and Ethics3 published questions
- Election Commission2 published questions
- Electoral Reforms2 published questions
- Emotional Intelligence4 published questions
- Energy Resources2 published questions
- Environment14 published questions
- Environment & Ecology17 published questions
- Equatorial Forests2 published questions
- Ethical Quotations3 published questions
- Ethical Quotes2 published questions
- Ethical Thinkers6 published questions
- Ethics and Administration4 published questions
- Ethics in International Relations2 published questions
- European Trading Companies2 published questions
- European Union2 published questions
- Excluded English Comprehension6 published questions
- Explicit Detail2 published questions
- Factors2 published questions
- Federalism4 published questions
- Finance Commission4 published questions
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- Food Chain2 published questions
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- Food Processing6 published questions
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- Gandhi on silence2 published questions
- GDP3 published questions
- Gender5 published questions
- Gender Justice2 published questions
- General Studies2 published questions
- Geography31 published questions
- Geometry3 published questions
- Government of India Act 19192 published questions
- Government Schemes3 published questions
- Graphs9 published questions
- Green hydrogen3 published questions
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- GST3 published questions
- Happiness2 published questions
- HCF & Measurement2 published questions
- HCF and LCM2 published questions
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- Historical Geography2 published questions
- Hoysala Architecture2 published questions
- Human Development2 published questions
- Inclusive Growth4 published questions
- India Africa Relations3 published questions
- Indian Diaspora2 published questions
- Indian History & Culture22 published questions
- Indian Physiography2 published questions
- Indian Soils2 published questions
- Indus Valley Civilization4 published questions
- Industrial Location2 published questions
- Industrial Pollution2 published questions
- Inequalities5 published questions
- Inequalities & Comparison2 published questions
- Inference13 published questions
- Inference from passage8 published questions
- Inflation5 published questions
- Infrastructure Finance2 published questions
- Intellectual Property Rights2 published questions
- International Economic Reports2 published questions
- International Financial Institutions3 published questions
- International Organisations & Security9 published questions
- International Relations7 published questions
- Inverse proportion2 published questions
- Irrigation2 published questions
- Jain Philosophy2 published questions
- Jainism2 published questions
- Jobless Growth2 published questions
- Joint Sitting2 published questions
- Judicial Review3 published questions
- Judiciary2 published questions
- Juvenile Justice Act2 published questions
- Kalagram passage2 published questions
- Karnataka Unification Movement2 published questions
- Labour Reforms2 published questions
- Land Reforms5 published questions
- Law and Ethics2 published questions
- LCM3 published questions
- LCM & calendar2 published questions
- LCM & remainders2 published questions
- LCM and Time2 published questions
- Left Wing Extremism4 published questions
- Letter series4 published questions
- Linear equations9 published questions
- Local Governance2 published questions
- Local Government2 published questions
- Logic Grid7 published questions
- Logic Puzzle5 published questions
- Logical Arrangement9 published questions
- Logical Reasoning59 published questions
- Main Idea19 published questions
- Mangroves2 published questions
- Maritime Security2 published questions
- Marxist Literary Criticism2 published questions
- Mensuration3 published questions
- Mineral Resources2 published questions
- Miscellaneous (General Awareness)2 published questions
- Missile Technology2 published questions
- Modern History11 published questions
- Modular arithmetic2 published questions
- Monetary Policy5 published questions
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- Nambiyannana Ragale — Bhakti and Shringara2 published questions
- Nanotechnology3 published questions
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- Number pattern6 published questions
- Number properties4 published questions
- Number sequence2 published questions
- Number series12 published questions
- Number System3 published questions
- Ocean Currents3 published questions
- Ocean Resources2 published questions
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- Ordering10 published questions
- Panchayati Raj3 published questions
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- Passage Assumptions26 published questions
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- Passage Inference58 published questions
- Passage inference—evolution2 published questions
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- Patriarchy2 published questions
- Percentage3 published questions
- Percentages17 published questions
- Permutations3 published questions
- Physical & Indian Geography2 published questions
- Pipes and cisterns2 published questions
- Plant Physiology2 published questions
- Political geography2 published questions
- Polity & Governance31 published questions
- Poverty3 published questions
- Power and Character2 published questions
- Preamble4 published questions
- Pressure Groups3 published questions
- Prime factorization2 published questions
- Prime numbers2 published questions
- Prison Administration2 published questions
- Probability3 published questions
- Probity2 published questions
- Profit and Loss4 published questions
- Protected areas4 published questions
- Public Accounts Committee3 published questions
- Public Finance3 published questions
- Public Service2 published questions
- Public Service Attributes2 published questions
- Quantitative Aptitude75 published questions
- Quantum Computing2 published questions
- Quit India Movement3 published questions
- Rai Sahib passage2 published questions
- Ranking4 published questions
- Ranking & Ordering3 published questions
- Ratio3 published questions
- Ratio and proportion3 published questions
- Reading Comprehension143 published questions
- REDD+2 published questions
- Regional Dialects2 published questions
- Regional Trade Agreements2 published questions
- Regionalism3 published questions
- Relative speed3 published questions
- Remainders3 published questions
- Renewable Energy3 published questions
- Rest and social expectations2 published questions
- Revolt of 18572 published questions
- Right to Privacy2 published questions
- River Interlinking2 published questions
- River systems2 published questions
- Rock-cut Architecture3 published questions
- S&T2 published questions
- Sangam Literature3 published questions
- Sankhya Philosophy2 published questions
- Scheduled Tribes2 published questions
- Science & Technology12 published questions
- Seating Arrangement2 published questions
- Secularism5 published questions
- Selections4 published questions
- Self-Help Groups4 published questions
- Separation of Powers3 published questions
- Sequence Analysis2 published questions
- Set Logic6 published questions
- Set Relations3 published questions
- Set theory2 published questions
- Sets2 published questions
- Sets & Venn Diagrams2 published questions
- Simultaneous equations2 published questions
- Smart Cities and Smart Villages2 published questions
- Socio Religious Reform2 published questions
- Solar Energy5 published questions
- South China Sea2 published questions
- Space Missions2 published questions
- Spatial reasoning9 published questions
- Speed, time & distance5 published questions
- Sport and life skills2 published questions
- Squares2 published questions
- Statement and Conclusion4 published questions
- Sugar Industry2 published questions
- Supreme Court2 published questions
- Swadeshi Movement4 published questions
- Syllogism11 published questions
- Tabular Data2 published questions
- Technology, Space & Applied Science13 published questions
- Temple architecture4 published questions
- Terrorism3 published questions
- Thunder and Lightning2 published questions
- Time and work4 published questions
- Time speed distance4 published questions
- Traditional Knowledge Digital Library2 published questions
- Tribes of India2 published questions
- Tropical Cyclones2 published questions
- Union Budget2 published questions
- Union Executive2 published questions
- Units & volume2 published questions
- Units digit2 published questions
- UPSC Prelims 2015 GS Paper I100 published questions
- Urban Floods3 published questions
- Vijayanagara Architecture3 published questions
- Vijayanagara Empire4 published questions
- Vikramarjuna Vijaya2 published questions
- Virology2 published questions
- Viruses2 published questions
- Visual Sequence5 published questions
- War and Diplomacy2 published questions
- Water Pollution2 published questions
- Water Resources2 published questions
- Welfare Schemes2 published questions
- West Asia2 published questions
- Wetlands2 published questions
- Wildlife Protection2 published questions
- Women Empowerment2 published questions
- Women in Freedom Struggle2 published questions
- Workplace Harassment Case Study2 published questions
- World Physical Geography2 published questions
Questions
- Consider the following statements: I. No virus can survive in ocean waters. II. No virus can infect bacteria. III. No virus can change the cellular transcriptional activity in host cells. How many of the statements given above are correct?2025 · Prelims GS1 · Science & Technology · Basic Science
- Consider the following pairs: Plant - Description. I. Cassava: Woody shrub II. Ginger: Herb with pseudostem III. Malabar spinach: Herbaceous climber IV. Mint: Annual shrub V. Papaya: Woody shrub. How many of the above pairs are correctly matched?2025 · Prelims GS1 · Science & Technology · Basic Science
- Which one of the following is synthesised in human body that dilates blood vessels and increases blood flow?2024 · Prelims GS1 · Science & Technology · Basic Science