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GS Paper 3

Science & Technology

Biology, physics, chemistry, space, biotech, IT, AI, nuclear and defence tech

18
Topics
18
Live
15
High Priority
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Biology — Life, Processes & Classification
Topic 01: Evolution, nutrition, respiration, five kingdoms, plant & animal kingdom
✅ Live
8 Prelims Qs4 Mains Qs35 min read🔴 High
EvolutionFive KingdomsTaxonomyLife Processes
The Cell & Tissues
Topic 02: Cell theory, organelles, nucleic acids, plant & animal tissues
✅ Live
7 Prelims Qs3 Mains Qs30 min read🔴 High
Cell TheoryOrganellesDNARNA
Human Physiology
Topic 03: Digestive, respiratory, circulatory, nervous & endocrine systems
✅ Live
8 Prelims Qs4 Mains Qs35 min read🔴 High
DigestionCirculationNervous SystemEndocrine
Reproduction & Genetics
Topic 04: Mitosis, meiosis, Mendel's laws, DNA, sex determination, genomics
✅ Live
8 Prelims Qs4 Mains Qs32 min read🔴 High
MitosisMeiosisMendelDNA
Immunity, Diseases & Health
Topic 05: Immune system, vaccines, communicable diseases, AMR & pandemics
✅ Live
8 Prelims Qs5 Mains Qs32 min read🔴 High
ImmunityVaccinesAMRVector-Borne
Chemistry
Topic 06: Matter, periodic table, bonding, acids-bases, metals & organic chemistry
✅ Live
6 Prelims Qs3 Mains Qs30 min read🟠 Medium
Periodic TableBondingAcids BasesMetallurgy
Physics
Topic 07: Motion, energy, optics, electricity, magnetism & modern physics
✅ Live
6 Prelims Qs3 Mains Qs30 min read🟠 Medium
Newton's LawsOpticsElectricityMagnetism
Space Technology I — ISRO & Launch Vehicles
Topic 08: Orbits, satellites, PSLV, GSLV, LVM3, SSLV, cryogenics & NavIC
✅ Live
8 Prelims Qs5 Mains Qs40 min read🔴 High
ISROPSLVGSLVNavIC
Space Technology II — Missions & Space Economy
Topic 09: Gaganyaan, Chandrayaan-3, Aditya-L1, Mangalyaan, IN-SPACe & debris
✅ Live
8 Prelims Qs5 Mains Qs35 min read🔴 High
GaganyaanChandrayaan-3Aditya-L1IN-SPACe
Biotechnology
Topic 10: Genetic engineering, GM crops, CRISPR, vaccines, stem cells & regulation
✅ Live
7 Prelims Qs5 Mains Qs32 min read🔴 High
CRISPRGM CropsBt CottonGEAC
Nanotechnology
Topic 11: Nanomaterials, graphene, quantum dots, Nano Mission & applications
✅ Live
5 Prelims Qs4 Mains Qs28 min read🟠 Medium
NanomaterialsGrapheneQuantum DotsNano Mission
Computer & IT
Topic 12: Networks, cloud, big data, blockchain, cyber security & Digital India
✅ Live
7 Prelims Qs5 Mains Qs32 min read🔴 High
CloudBlockchainCyber SecurityDigital India
Artificial Intelligence & Robotics
Topic 13: ML, deep learning, generative AI, drones, IoT & IndiaAI Mission
✅ Live
7 Prelims Qs5 Mains Qs32 min read🔴 High
AIMachine LearningGenerative AIRobotics
Advanced Computing — Supercomputers & Quantum
Topic 14: PARAM, quantum computing, semiconductors, 3D printing & HPC
✅ Live
6 Prelims Qs4 Mains Qs30 min read🔴 High
PARAMQuantum ComputingSemiconductors3D Printing
Nuclear Technology
Topic 15: Fission, fusion, 3-stage programme, thorium, NSG & non-proliferation
✅ Live
6 Prelims Qs5 Mains Qs30 min read🔴 High
FissionFusionThoriumNSG
Defence Technology
Topic 16: Missiles, IGMDP, Tejas, AMCA, nuclear triad, DRDO & Atmanirbhar
✅ Live
7 Prelims Qs5 Mains Qs35 min read🔴 High
DRDOIGMDPTejasArihant
India's Science & Technology Ecosystem
Topic 17: CSIR, DST, DBT, STIP, ANRF, IPR, GERD & Global Innovation Index
✅ Live
6 Prelims Qs5 Mains Qs30 min read🔴 High
STIPANRFCSIRDST
Emerging & Frontier Technologies
Topic 18: Green hydrogen, synthetic biology, fusion, neurotech, 6G & convergence
✅ Live
6 Prelims Qs5 Mains Qs30 min read🔴 High
Green HydrogenSynthetic BiologyFusion6G