World Geography

EnglishGeography

Earth's structure, climate and continents — the big picture.

About this subject

World geography covers physical geography of the Earth and the major features of each continent. Questions come from the solar system, Earth's interior, atmosphere, oceans and important world locations.

Useful for

SSC CGLSSC CHSLRRB NTPCUPSC

Important points

1
The Earth's axis is tilted at about 23.5°.
2
The Prime Meridian (0°) passes through Greenwich, London; the International Date Line runs roughly along 180°.
3
Every 1° of longitude equals 4 minutes of time.
4
Weather occurs in the troposphere; the ozone layer lies in the stratosphere.
5
The Pacific is the largest and deepest ocean; the Mariana Trench is the deepest point on Earth.
6
The Nile is the longest river; the Amazon carries the largest volume of water.
7
Mount Everest (8,849 m) is the highest peak in the world.
8
The Sahara is the largest hot desert; Antarctica is the largest desert overall.
9
Asia is the largest continent and Australia the smallest.
10
Grasslands: Prairies (North America), Pampas (South America), Steppes (Eurasia), Veld (South Africa), Downs (Australia).
11
The Gulf Stream is a warm ocean current in the North Atlantic.
12
The Strait of Gibraltar connects the Atlantic Ocean with the Mediterranean Sea.