Which is the most abundant gas in Earth's atmosphere? MCQ with Answer and Explanation

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Which is the most abundant gas in Earth's atmosphere?

A. Oxygen

B. Carbon Dioxide

C. Argon

D. Nitrogen

Answer: Option D

Solution (By JKSSB Mock Tests)

Nitrogen makes up about 78% of Earth's atmosphere.

This question belongs to: Geography GK World Geography

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Which country is the largest producer of nickel in the world?

A. Indonesia

B. Canada

C. Russia

D. Australia

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Correct Answer: Option A

Explanation:
Indonesia is currently the world's largest producer of nickel.

This question belongs to: Geography GK World Geography

Question #2

Which country has the most volcanoes in the world?

A. Philippines

B. Indonesia

C. Chile

D. Japan

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Correct Answer: Option B

Explanation:
Indonesia has the highest number of active volcanoes in the world.

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Question #3

What is the capital of Romania?

A. Bucharest

B. Timisoara

C. Cluj-Napoca

D. Brasov

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Correct Answer: Option A

Explanation:
Bucharest is the capital and largest city of Romania.

This question belongs to: Geography GK World Geography

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