The atmosphere is primarily composed of: MCQ with Answer and Explanation

Question Report Error

The atmosphere is primarily composed of:

A. Argon

B. Nitrogen

C. Oxygen

D. Carbon Dioxide

Answer: Option B

Solution (By JKExamLibrary)

Nitrogen constitutes about 78% of the Earth's atmosphere, making it the most abundant gas.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1 Report Error

The Yangtze River flows through:

A. China

B. Russia

C. Japan

D. India

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Correct Answer: Option A

Explanation:
The Yangtze is the longest river in China and Asia.

This question belongs to: Geography GK Physical Geography

Question #2 Report Error

The Conrad Discontinuity separates:

A. Crust and Mantle

B. Upper and Lower Crust

C. Mantle and Core

D. Outer Core and Inner Core

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Correct Answer: Option B

Explanation:
The Conrad Discontinuity is a boundary between the upper and lower continental crust.

This question belongs to: Geography GK Physical Geography

Question #3 Report Error

Which ocean is the smallest in the world?

A. Indian Ocean

B. Arctic Ocean

C. Atlantic Ocean

D. Southern Ocean

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Correct Answer: Option B

Explanation:
The Arctic Ocean is the smallest and shallowest ocean on Earth.

This question belongs to: Geography GK Physical Geography

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