1. What is Biosphere ?

Ans. The narrow zone where the lithosphere, hydrosphere and atmosphere are in contact with each other and in which life exists.

2. What is the shape of the Pacific ocean ?

Ans. Circular.

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3. What is the shape of Atlantic ocean ?

Ans. It resembles “S” letter.

4. Where is the plateau of Tibet located ?

Ans. In the north of the Himalayas

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5. Which is the highest plateau in the world ?

Ans. The Plateau of Tibet.

6. Which two continents are separated by Ural mountain ?

Ans. Asia and Europe.

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7. Through which of the continent the equator passes aim the middle ?

Ans. Africa.

8. Both the tropic of cancer and the tropic of Capricorn pi through which continent ?