APPSC Group 2 · Study notes
Physical and world geography notes for APPSC Group 2
79 notes in 9 chapters. Open a chapter, or go straight to a note.
3.1 Universe, solar system and the Earth 8
- 3.1.1Origin of the universe: Big Bang and the expanding universe
- 3.1.2Stars and galaxies: life cycle of a star and the Milky Way
- 3.1.3The Sun and the eight planets: key features compared
- 3.1.4Dwarf planets, asteroids, comets and meteors
- 3.1.5The Moon: phases, tides link and solar and lunar eclipses
- 3.1.6Earth's rotation and revolution: day and night, seasons, solstices and equinoxes
- 3.1.7Latitudes and longitudes: important parallels and heat zones
- 3.1.8Longitude and time: local time, standard time, IST and the International Date Line
3.2 Interior of the Earth and plate tectonics 9
- 3.2.1Interior of the Earth: crust, mantle, core and discontinuities
- 3.2.2Seismic waves: P, S and surface waves and shadow zones
- 3.2.3Continental drift theory: Wegener's evidence and its limits
- 3.2.4Sea-floor spreading and palaeomagnetism
- 3.2.5Plate tectonics: major plates and divergent, convergent and transform boundaries
- 3.2.6Earthquakes: focus, epicentre, magnitude and intensity scales and world belts
- 3.2.7Tsunamis: how they form and early warning systems
- 3.2.8Volcanoes: types, volcanic landforms and the Pacific Ring of Fire
- 3.2.9Diastrophism: folding, faulting and mountain building
3.3 Rocks and geomorphology 10
- 3.3.1Minerals and rocks: common minerals and the rock cycle
- 3.3.2Igneous, sedimentary and metamorphic rocks compared
- 3.3.3Geomorphic processes: endogenic and exogenic forces, weathering and mass wasting
- 3.3.4Fluvial landforms: V-shaped valleys to meanders, ox-bow lakes and deltas
- 3.3.5Glacial landforms: cirques, aretes, U-shaped valleys, moraines and drumlins
- 3.3.6Aeolian landforms: deflation hollows, mushroom rocks, dunes and loess
- 3.3.7Coastal landforms: cliffs, sea caves, spits, bars and lagoons; emergent and submergent coasts
- 3.3.8Karst landforms: sinkholes, caves, stalactites and stalagmites
- 3.3.9Mountains, plateaus and plains: types with world examples
- 3.3.10Cycle of erosion: Davis and Penck models
3.4 Atmosphere, temperature, pressure and winds 9
- 3.4.1Composition of the atmosphere: gases, water vapour and aerosols
- 3.4.2Structure of the atmosphere: troposphere to exosphere and the ionosphere
- 3.4.3Insolation: factors controlling its distribution
- 3.4.4Heat budget of the Earth: conduction, convection, radiation and albedo
- 3.4.5Distribution of temperature: isotherms, annual range and temperature inversion
- 3.4.6Pressure belts of the world and their seasonal shifting
- 3.4.7Planetary winds: Coriolis force, trades, westerlies, polar easterlies and the three-cell model
- 3.4.8Periodic and local winds: monsoons, land and sea breezes, Foehn, Chinook, Loo and others
- 3.4.9Jet streams: subtropical and polar front jets and their effects
3.5 Weather systems and world climates 10
- 3.5.1Humidity and condensation: dew, frost, fog and types of clouds
- 3.5.2Precipitation: convectional, orographic and cyclonic rainfall and world distribution
- 3.5.3Air masses and fronts: types and associated weather
- 3.5.4Tropical cyclones: formation, structure, naming and regional names
- 3.5.5Temperate cyclones and anticyclones
- 3.5.6Thunderstorms and tornadoes
- 3.5.7El Niño, La Niña, ENSO and the Indian Ocean Dipole
- 3.5.8Köppen climate classification: scheme and symbols
- 3.5.9Tropical climates of the world: equatorial, savanna, monsoon and hot desert
- 3.5.10Temperate and cold climates: Mediterranean, China type, west European, taiga and tundra
3.6 Oceanography 9
- 3.6.1Ocean floor relief: continental shelf, slope, abyssal plains, ridges and trenches
- 3.6.2Relief of the Pacific, Atlantic and Indian Oceans: major ridges, trenches and deeps
- 3.6.3Temperature of ocean water: distribution and the thermocline
- 3.6.4Salinity of oceans and seas: controlling factors and distribution
- 3.6.5Ocean currents: causes and warm and cold currents
- 3.6.6Major currents of the Atlantic, Pacific and Indian Oceans and their effects
- 3.6.7Waves and tides: spring and neap tides, tidal bores and tidal energy
- 3.6.8Coral reefs: conditions, fringing, barrier and atoll types and coral bleaching
- 3.6.9Ocean resources and the Law of the Sea: UNCLOS, territorial waters and EEZ
3.7 Biogeography and soils of the world 5
- 3.7.1Soil formation: factors, processes and the soil profile
- 3.7.2Major soil types of the world and their distribution
- 3.7.3World forests: equatorial, monsoon, Mediterranean, temperate and coniferous
- 3.7.4World grasslands: savanna, prairie, steppe, pampas, veld and downs
- 3.7.5Deserts of the world: hot and cold deserts and polar regions
3.8 World regional geography: continents 7
- 3.8.1Continents and oceans: size, extreme points and key facts
- 3.8.2Asia: relief, rivers, lakes and regions
- 3.8.3Africa: relief, rivers, lakes and the Rift Valley
- 3.8.4Europe: relief, rivers and regions
- 3.8.5North America: relief, rivers and the Great Lakes
- 3.8.6South America: Andes, Amazon and other regions
- 3.8.7Australia, Oceania and Antarctica
3.9 World regional geography: features, resources and places 12
- 3.9.1Major rivers of the world and cities on their banks
- 3.9.2Lakes, waterfalls and inland seas of the world
- 3.9.3Important straits, canals, isthmuses and channels
- 3.9.4Highest peaks, major ranges and plateaus of the world
- 3.9.5International boundary lines: Durand, McMahon, Radcliffe, 38th parallel and others
- 3.9.6World mineral and energy resources: major producers and regions
- 3.9.7World agriculture: major crops and leading producers
- 3.9.8World industrial regions and major industrial cities
- 3.9.9World population: distribution, growth and demographic transition
- 3.9.10Tribes and indigenous peoples of the world
- 3.9.11Places in news: West Asia, Europe and Central Asia
- 3.9.12Places in news: Indo-Pacific, Africa and the Americas
All APPSC Group 2 notes · APPSC Group 2 syllabus
Medha AI is an independent preparation service. It is not affiliated with, endorsed by or connected to APPSC, TSPSC, MPSC, UPSC or any other commission or government body.