The biosphere refers to: MCQ with Answer and Explanation

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The biosphere refers to:

A. Layer of air

B. Zone of life on Earth

C. Layer of rocks

D. Ocean floor

Answer: Option B

Solution (By JKSSB Mock Tests)

The biosphere includes all living organisms and the regions where life exists.

This question belongs to: Geography GK Physical Geography

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Question #1

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The boundary between troposphere and stratosphere is called:

A. Tropopause

B. Stratopause

C. Mesopause

D. Thermopause

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Correct Answer: Option A

Explanation:
The tropopause separates the troposphere from the stratosphere.

This question belongs to: Geography GK Physical Geography

Question #2

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The largest archipelago in the world is:

A. Indonesia

B. Philippines

C. Japan

D. Maldives

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Correct Answer: Option A

Explanation:
Indonesia is the world's largest archipelago, consisting of thousands of islands.

This question belongs to: Geography GK Physical Geography

Question #3

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Which African lake is the source of the White Nile?

A. Lake Malawi

B. Lake Chad

C. Lake Victoria

D. Lake Tanganyika

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Correct Answer: Option C

Explanation:
Lake Victoria is widely regarded as the principal source of the White Nile.

This question belongs to: Geography GK Physical Geography

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