Which layer of the atmosphere contains the maximum mass of air? MCQ with Answer and Explanation

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Which layer of the atmosphere contains the maximum mass of air?

A. Troposphere

B. Mesosphere

C. Stratosphere

D. Thermosphere

Answer: Option A

Solution (By JKSSB Mock Tests)

About 75% of the atmosphere's mass is concentrated in the troposphere.

This question belongs to: Geography GK Physical Geography

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Question #1

Which atmospheric gas is most important for respiration?

A. Neon

B. Oxygen

C. Carbon Dioxide

D. Nitrogen

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Correct Answer: Option B

Explanation:
Oxygen is essential for respiration in humans and most living organisms.

This question belongs to: Geography GK Physical Geography

Question #2

Which atmospheric layer contains most artificial satellites?

A. Troposphere

B. Exosphere

C. Mesosphere

D. Stratosphere

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Correct Answer: Option B

Explanation:
Many satellites orbit within the exosphere, the outermost atmospheric layer.

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Question #3

The local wind 'Loo' blows in:

A. South America

B. Australia

C. Europe

D. Northern India

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Correct Answer: Option D

Explanation:
Loo is a hot, dry summer wind that blows across northwestern and northern India.

This question belongs to: Geography GK Physical Geography

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