What is the primary driver of the Madden-Julian Oscillation? MCQ with Answer and Explanation

What is the primary driver of the Madden-Julian Oscillation?
A. Large-scale atmospheric convection and circulation
B. Sea level pressure differences in the Arctic
C. Sea surface temperature differences in the Pacific
D. Sea surface temperature differences in the Indian Ocean
Answer: Option A
Solution (By JKSSB Mock Tests)
The MJO is driven by large-scale atmospheric convection and circulation processes involving the interaction between the ocean and atmosphere, with the propagation of convective systems.

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Practice More Climate and Weather Questions

Question #1
What is the name of the jet stream that primarily affects the Indian monsoon?
A. Arctic Jet Stream
B. Polar Jet Stream
C. Subtropical Jet Stream
D. Tropical Easterly Jet

Correct Answer: Option D


Explanation:
The Tropical Easterly Jet (TEJ) is a high-altitude jet stream over the Indian Ocean and Africa that plays a crucial role in the onset and intensity of the Indian monsoon.

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Question #2
The Coromandel Coast receives most of its rainfall from:
A. Cyclonic storms
B. Western Disturbances
C. Southwest Monsoon
D. Northeast Monsoon

Correct Answer: Option D


Explanation:
The Coromandel Coast (Tamil Nadu coast) receives about 60-70% of its annual rainfall from the Northeast Monsoon (October-December).

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Question #3
During the Indian summer monsoon, winds blow from the:
A. Northwest to Southeast
B. Southwest to Northeast
C. Northeast to Southwest
D. Southeast to Northwest

Correct Answer: Option B


Explanation:
During the summer monsoon (June to September), the winds blow from the Southwest (Indian Ocean) towards the Northeast (landmass), bringing heavy rainfall.

This question belongs to: Geography GK Climate and Weather