Theme Analysis
Science & Technology
286 PYQs. Review the year-by-year distribution below, then explore micro subtopics for targeted practice.
Questions286
Subtopics28
Tricks12
PYQs Distribution by Year
Subtopics in Science & Technology
01Emerging Information Technologies
101 Qs
02Biotechnology & Genetic Engineering
52 Qs
03Physics & Materials Science
44 Qs
04Space Science & Exploration
35 Qs
05Microbiology & Epidemiology
27 Qs
06Renewable & Clean Energy
22 Qs
07Flora & Fauna Dynamics
13 Qs
08Biogeography & Ecosystems
12 Qs
09Air Pollution & Emissions
10 Qs
10Waste Management & Water Pollution
9 Qs
11Welfare Schemes & Social Policies
8 Qs
12Agricultural Policies & Supply Chains
7 Qs
13Climate Change & Conventions
7 Qs
14External Sector & Capital Flows
7 Qs
15Geopolitics & International Conflicts
7 Qs
16Digital Financial Infrastructure
6 Qs
17Environmental Law & Policy
6 Qs
18Biodiversity Conservation & Protected Areas
5 Qs
19Constitutional & Statutory Bodies
5 Qs
20Physical & Regional Geography
5 Qs
21Fiscal Policy & Public Debt
3 Qs
22Intellectual Property Rights & Regulations
3 Qs
23Labor & Demographic Economics
3 Qs
24Evolution & Human Origins
2 Qs
25Financial Markets & Instruments
2 Qs
26Executive & Council of Ministers
1 Qs
27Indian Hydrography & Water Bodies
1 Qs
28Medieval Indian History & Dynasties
1 Qs
Elimination Logic in Science & Technology
#1
Elimination Trick #1Accurately link specific diseases like common cold and AIDS to their respective viral families.
#2
Elimination Trick #2Always be skeptical of absolute statements (e.g., 'No virus can...') in biological questions; they are frequently incorrect.
#3
Elimination Trick #3Always be skeptical of statements containing absolute terms like 'All', 'Only', 'Never' in UPSC questions, as they are frequently incorrect.
#4
Elimination Trick #4Always be wary of absolute statements like "no side effects" in medical contexts; they are usually incorrect.
#5
Elimination Trick #5Always check if the question asks for the 'correct' or 'incorrect' match before answering.
#6
Elimination Trick #6Always consider the potential ecological and social trade-offs of large-scale industrial development projects.
#7
Elimination Trick #7Always consider the practical applications and environmental implications of new technologies.
#8
Elimination Trick #8Always look for the underlying scientific principle (Statement II) that explains the technological application (Statement I) in such questions.
#9
Elimination Trick #9Always scrutinize extreme qualifiers like 'only' or 'first' in statements; they are often incorrect in UPSC questions.
#10
Elimination Trick #10Always scrutinize statements containing absolute terms like 'only' or 'does not contain any' as they are frequently incorrect in UPSC questions.
#11
Elimination Trick #11Always verify the administrative ministry or department for autonomous bodies mentioned in the question.
#12
Elimination Trick #12Analyze each statement independently to confirm the specific sensor's requirement for the described action.