The most abundant greenhouse gas in the atmosphere is: MCQ with Answer and Explanation

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The most abundant greenhouse gas in the atmosphere is:

A. Carbon Dioxide

B. Methane

C. Nitrous Oxide

D. Water Vapour

Answer: Option D

Solution (By JKSSB Mock Tests)

Water vapour is the most abundant greenhouse gas and contributes significantly to the greenhouse effect.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1

The Hawaiian Islands are primarily of ______ origin.

A. Glacial

B. Fluvial

C. Volcanic

D. Aeolian

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Correct Answer: Option C

Explanation:
The Hawaiian Islands were formed by volcanic activity over a hotspot beneath the Pacific Plate.

This question belongs to: Geography GK Physical Geography

Question #2

Which current is primarily responsible for the mild climate of Norway despite its high latitude?

A. North Atlantic Drift

B. Canary Current

C. Oyashio Current

D. Labrador Current

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Correct Answer: Option A

Explanation:
The warm North Atlantic Drift moderates temperatures in Norway and much of Western Europe.

This question belongs to: Geography GK Physical Geography

Question #3

The standard time of India is based on:

A. 90° E Longitude

B. 82.5° E Longitude

C. 75° E Longitude

D. 70° E Longitude

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Correct Answer: Option B

Explanation:
Indian Standard Time (IST) is based on 82.5° East longitude, passing near Mirzapur, Uttar Pradesh.

This question belongs to: Geography GK Physical Geography

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