Which of the following is the most abundant greenhouse gas in the atmosphere? MCQ with Answer and Explanation

Which of the following is the most abundant greenhouse gas in the atmosphere?
A. Carbon dioxide
B. Nitrous oxide
C. Methane
D. Water vapor
Answer: Option D
Solution (By JKSSB Mock Tests)
Water vapor is the most abundant greenhouse gas in the atmosphere, contributing the most to the greenhouse effect.

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Practice More Climate and Weather Questions

Question #1
What is the major cause of cyclonic rainfall?
A. Convection from surface heating
B. Descending air
C. Convergence of air masses
D. Rising air over mountains

Correct Answer: Option C


Explanation:
Cyclonic or frontal rainfall is caused by the convergence of warm and cold air masses. The warm, moist air is forced to rise over the cold, denser air, leading to condensation and precipitation.

This question belongs to: Geography GK Climate and Weather
Question #2
The Southwest Monsoon winds originate from the:
A. Indian Ocean
B. Arctic Ocean
C. Atlantic Ocean
D. Pacific Ocean

Correct Answer: Option A


Explanation:
The Southwest Monsoon winds originate from the Indian Ocean (especially the Arabian Sea and Bay of Bengal), bringing moisture to the Indian subcontinent.

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Question #3
The polar vortex is typically located in which layer of the atmosphere?
A. Troposphere
B. Stratosphere
C. Thermosphere
D. Mesosphere

Correct Answer: Option B


Explanation:
The polar vortex is primarily located in the stratosphere, with a tropospheric component. It is a seasonal phenomenon that is stronger during winter and weaker in summer.

This question belongs to: Geography GK Climate and Weather