Subjects / Science & Tech
GS PAPER 3 · SCIENCE & TECHNOLOGY

Science & Technology

Every science & tech theme the exam pulls from, ranked by how often it's actually asked.

7 topics 200 PYQs mapped 33/yr average
PEAK YEAR
6 sub-topics
Space Technology

ISRO missions, satellites, launch vehicles, space policy.

40 PYQs · 6 yrsStart
5 sub-topics
Biotechnology

Genetic engineering, GM crops, vaccines, biotech applications.

30 PYQs · 6 yrsStart
4 sub-topics
Nuclear Science & Technology

Nuclear energy, reactors, nuclear policy and treaties.

20 PYQs · 6 yrsStart
5 sub-topics
Defence Technology

Missile systems, DRDO projects, indigenous defence platforms.

26 PYQs · 6 yrsStart
6 sub-topics
IT & Emerging Tech

AI, blockchain, cybersecurity, semiconductors, Digital India.

38 PYQs · 6 yrsStart
5 sub-topics
Health & Medical Science

Diseases, vaccines, medical technology, public health advances.

28 PYQs · 6 yrsStart
4 sub-topics
Physics & Everyday Science

Core concepts, discoveries, Nobel prizes, science in the news.

18 PYQs · 6 yrsStart