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GS Paper 1

World Geography

Physical geography of the world — landforms, atmosphere, and oceans

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The Universe & the Solar System
Big Bang, galaxies, Sun, planets, asteroids, comets
✅ Live
6 Prelims Qs2 Mains Qs25 min read🟠 Medium
Big BangSolar SystemPlanetsGalaxies
The Earth — Shape, Motions, Geological Time, Moon & Magnetic Field
Oblate spheroid, rotation, revolution, IDL, tides, magnetosphere
✅ Live
6 Prelims Qs3 Mains Qs28 min read🟠 Medium
Geological TimeSolsticeEquinoxMoon
Geomorphology — Earth's System
Spheres, Earth's interior, minerals and rocks
✅ Live
7 Prelims Qs4 Mains Qs30 min read🔴 High
LithosphereMantleRock CycleMohorovičić
Geomorphological Theories — Continental Drift, Sea-Floor Spreading & Plate Tectonics
Wegener to plate boundaries, hotspots, Indian plate
✅ Live
8 Prelims Qs5 Mains Qs32 min read🔴 High
Continental DriftPlate TectonicsMid-Ocean RidgeHotspots
Geomorphic Processes — Endogenic & Exogenic Forces
Diastrophism, volcanism, earthquakes, weathering, erosion
✅ Live
7 Prelims Qs4 Mains Qs34 min read🔴 High
VolcanismEarthquakesWeatheringMass Movement
Major Landforms — Fluvial · Glacial · Aeolian · Marine · Karst
Erosional and depositional landforms across all agents
✅ Live
7 Prelims Qs4 Mains Qs36 min read🔴 High
FluvialGlacialAeolianKarst
Atmosphere — Composition, Structure, Insolation & Heat Budget
Atmospheric layers, ozone, insolation, heat budget
✅ Live
7 Prelims Qs4 Mains Qs32 min read🔴 High
TroposphereInsolationHeat BudgetOzone
Atmospheric Pressure & Wind Systems
Pressure belts, Coriolis, monsoon, jet streams
✅ Live
8 Prelims Qs4 Mains Qs34 min read🔴 High
Trade WindsMonsoonJet StreamCoriolis
Air Masses, Fronts & Cyclones
Temperate and tropical cyclones, anticyclones, tornadoes
✅ Live
8 Prelims Qs5 Mains Qs36 min read🔴 High
Air MassesFrontsCyclonesAnticyclones
Water in the Atmosphere · Humidity · Clouds · Precipitation
Hydrological cycle, cloud types, rainfall types
✅ Live
7 Prelims Qs4 Mains Qs34 min read🔴 High
HumidityCloudsPrecipitationMonsoon
World Climate Classification — Köppen · Trewartha · Thornthwaite
Köppen codes, climographs, India's climate zones
✅ Live
7 Prelims Qs4 Mains Qs36 min read🔴 High
KöppenTrewarthaThornthwaiteClimograph
Oceanography — Relief, Temperature, Salinity, Waves, Tides & Currents
Ocean floor, thermohaline circulation, AMOC
✅ Live
8 Prelims Qs4 Mains Qs40 min read🔴 High
Ocean CurrentsTidesSalinityAMOC
Marine Resources & the Ocean Economy
UNCLOS, fisheries, polymetallic nodules, blue economy
✅ Live
6 Prelims Qs5 Mains Qs45 min read🔴 High
UNCLOSEEZBlue EconomyPolymetallic Nodules
Biogeography & Ecosystems
Biomes, biodiversity hotspots, India's biogeographic zones
✅ Live
7 Prelims Qs5 Mains Qs45 min read🔴 High
BiomesBiodiversity HotspotsEcosystemsIUCN