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

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The atmosphere is primarily composed of:

A. Carbon Dioxide

B. Oxygen

C. Nitrogen

D. Argon

Answer: Option C

Solution (By JKSSB Mock Tests)

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

Which is the longest mountain range on land?

A. Rockies

B. Andes

C. Himalayas

D. Alps

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Correct Answer: Option B

Explanation:
The Andes Mountains in South America form the longest continental mountain range in the world.

This question belongs to: Geography GK Physical Geography

Question #2

The Earth is closest to the Sun on:

A. Perihelion

B. Solstice

C. Equinox

D. Aphelion

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Correct Answer: Option A

Explanation:
Perihelion occurs around January 3 when Earth is closest to the Sun.

This question belongs to: Geography GK Physical Geography

Question #3

Which country has the highest number of active volcanoes?

A. Chile

B. Japan

C. United States

D. Indonesia

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Correct Answer: Option D

Explanation:
Indonesia lies along the Pacific Ring of Fire and has the largest number of active volcanoes.

This question belongs to: Geography GK Physical Geography

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