Which gas contributes most to the greenhouse effect naturally? MCQ with Answer and Explanation

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Which gas contributes most to the greenhouse effect naturally?

A. Hydrogen

B. Helium

C. Argon

D. Water Vapor

Answer: Option D

Solution (By JKSSB Mock Tests)

Water vapor is the most abundant greenhouse gas and contributes significantly to natural warming.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1

Which rock is formed from volcanic ash and fragments?

A. Conglomerate

B. Pumice

C. Breccia

D. Granite

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Correct Answer: Option C

Explanation:
Volcanic breccia is formed from angular volcanic fragments cemented together after eruptions.

This question belongs to: Geography GK Physical Geography

Question #2

The percentage of water present in the oceans is approximately:

A. 50%

B. 71%

C. 97%

D. 85%

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Correct Answer: Option C

Explanation:
About 97% of the Earth's water is found in oceans and is saline, leaving only about 3% as freshwater.

This question belongs to: Geography GK Physical Geography

Question #3

Chicxulub Crater is linked to the extinction of:

A. Ammonites only

B. Dinosaurs

C. Trilobites

D. Mammoths

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Correct Answer: Option B

Explanation:
The Chicxulub impact is widely believed to have contributed to the extinction of non-avian dinosaurs.

This question belongs to: Geography GK Physical Geography

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