Major Domains of the Earth
See The Chapter PDF
Lithosphere
- The solid portion of the earth is called lithosphere.
- It is composed of rocks of the earth’s crust.
- There is a thin layer of soil on top that contains mineral nutrients which sustain various organisms.
→ Continents: The huge landmasses on the earth are called continents.
→ Ocean Basins: The huge water bodies on the earth are called ocean basins.
Continents
- There are seven continents and all of them are separated by large water bodies...
- Asia: This is the largest continent...
- Europe: Europe lies to the west of Asia...
...
Oceans
- All the oceans of the world are connected to each other...
- Pacific Ocean: This is the largest ocean...
...
Atmosphere
- Atmosphere plays an important role...
- Air is mainly composed of nitrogen and oxygen...
...
Layers of Atmosphere
- Troposphere is at the bottom...
- The density of atmosphere changes with height...
...
Hydrosphere
- More than 71% of the earth’s surface is covered with water...
Biosphere
- The narrow zone of contact between the lithosphere, hydrosphere and atmosphere is called biosphere.
- All the living beings are linked to each other for their survival...
MCQs – Major Domains of the Earth
1. _____ passes through the Europe
(a) Antarctic Circle
(b) Tropic of Capricorn
(c) Tropic of Cancer
(d) Arctic Circle
► (d) Arctic Circle
2. Which of the following is NOT the components of the Hydrosphere
(a) Rivers
(b) Ice sheet
(c) Ocean
(d) Rocks
► (d) Rocks
3. On which planet is the life found
(a) Venus
(b) Mercury
(c) Mars
(d) Earth
► (d) Earth
4. Which mountain range separate Europe from Asia
(a) The Himalayas
(b) The Andes
(c) The Urals
(d) The Alps
► (c) The Urals
5. Which of the following is NOT an ocean
(a) Indian
(b) Pacific
(c) Antarctica
(d) Atlantic
► (c) Antarctica
6. The interaction of which one of the following sphere do NOT make up the biosphere
(a) Asthenosphere
(b) Atmosphere
(c) Hydrosphere
(d) Lithosphere
► (a) Asthenosphere
7. Which of the following NOT among the different layers of the atmosphere
(a) Hydrosphere
(b) Troposphere
(c) Thermosphere
(d) Mesosphere
► (a) Hydrosphere
8. Two continents which lie entirely on southern hemisphere
(a) Australia, South America
(b) Australia, Antarctica
(c) Africa, South America
(d) Africa, Antarctica
► (b) Australia, Antarctica
9. The highest mountain peak on the earth is
(a) Everest
(b) K2
(c) Aravalli
(d) Kanchenjunga
► (a) Everest
10. Which is the home of humankind
(a) Mercury
(b) Mars
(c) Earth
(d) Venus
► (c) Earth
11. The water mass of the earth including oceans, seas, rivers etc in the atmosphere
(a) Hydrosphere
(b) Lithosphere
(c) Atmosphere
(d) Biosphere
► (a) Hydrosphere
12. Atmosphere is
(a) The layer of nitrogen gases which surrounds the earth
(b) Layer of various gases which surrounds the earth
(c) The layer of oxygen gases which surrounds the earth
(d) The layer of carbon gases which surrounds the earth
► (b) Layer of various gases which surrounds the earth
13. The major constituent of atmosphere by percent is
(a) Oxygen
(b) Nitrogen
(c) Hydrogen
(d) Carbon
► (b) Nitrogen
14. North America continent lies
(a) Southern and western hemisphere
(b) Southern and eastern hemisphere
(c) Northern and Eastern hemisphere
(d) Northern and western hemisphere
► (d) Northern and western hemisphere
15. The domain of the earth consisting of solid rocks is
(a) Hydrosphere
(b) Atmosphere
(c) Lithosphere
(d) Mesosphere
► (c) Lithosphere
16. Which continent lie west of Asia
(a) Europe
(b) South America
(c) North America
(d) Australia
► (a) Europe
17. Which of the following is NOT among the major domains of the earth?
(a) Lithosphere
(b) Hydrosphere
(c) Stratosphere
(d) Atmosphere
► (c) Stratosphere
18. The uppermost solid layer of the earth is called
(a) Atmosphere
(b) Hydrosphere
(c) Biosphere
(d) Lithosphere
► (d) Lithosphere