Theme

Science & Technology

199 PYQs. See the year-wise trend below, then open a subtopic to study tricks and attempt questions.

Questions199
Subtopics24
Tricks12

PYQs by year

199 total
2013
16
2014
15
2015
14
2016
15
2017
11
2018
16
2019
17
2020
15
2021
14
2022
20
2023
14
2024
15
2025
17

Subtopics in this theme

1 Biotechnology & Genetic Engineering 47 Explore
2 Emerging Information Technologies 44 Explore
3 Physics & Materials Science 29 Explore
4 Space Science & Exploration 26 Explore
5 Microbiology & Epidemiology 24 Explore
6 Renewable & Clean Energy 18 Explore
7 Flora & Fauna Dynamics 13 Explore
8 Biogeography & Ecosystems 11 Explore
9 Air Pollution & Emissions 10 Explore
10 Waste Management & Water Pollution 9 Explore
11 Agricultural Policies & Supply Chains 6 Explore
12 Environmental Law & Policy 6 Explore
13 Biodiversity Conservation & Protected Areas 5 Explore
14 Climate Change & Conventions 5 Explore
15 Digital Financial Infrastructure 5 Explore
16 Physical & Regional Geography 5 Explore
17 Welfare Schemes & Social Policies 5 Explore
18 Constitutional & Statutory Bodies 4 Explore
19 Intellectual Property Rights & Regulations 3 Explore
20 Evolution & Human Origins 2 Explore
21 Executive & Council of Ministers 1 Explore
22 External Sector & Capital Flows 1 Explore
23 Financial Markets & Instruments 1 Explore
24 Geopolitics & International Conflicts 1 Explore

Elimination tricks

12 from PYQs

Common distractors and how to eliminate wrong options in this theme.

  • 1

    Accurately link specific diseases like common cold and AIDS to their respective viral families.

  • 1

    Always be skeptical of absolute statements (e.g., 'No virus can...') in biological questions; they are freque…

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  • 1

    Always be skeptical of statements containing absolute terms like 'All', 'Only', 'Never' in UPSC questions, as…

  • 1

    Always be wary of absolute statements like "no side effects" in medical contexts; they are usually incorrect.

  • 1

    Always consider the potential ecological and social trade-offs of large-scale industrial development projects.

  • 1

    Always consider the practical applications and environmental implications of new technologies.

  • 1

    Always look for the underlying scientific principle (Statement II) that explains the technological applicatio…

  • 1

    Always scrutinize extreme qualifiers like 'only' or 'first' in statements; they are often incorrect in UPSC q…

  • 1

    Always scrutinize statements containing absolute terms like 'only' or 'does not contain any' as they are freq…

  • 1

    Always verify the administrative ministry or department for autonomous bodies mentioned in the question.

  • 1

    Analyze each statement independently to confirm the specific sensor's requirement for the described action.

  • 1

    Associate these terms with advanced waste management and renewable energy generation technologies.