During a La Niña event, the Walker Circulation: MCQ with Answer and Explanation

During a La Niña event, the Walker Circulation:
A. Remains unchanged
B. Reverses direction
C. Weakens
D. Strengthens
Answer: Option D
Solution (By JKSSB Mock Tests)
During a La Niña event, the Walker Circulation strengthens as the trade winds intensify, pushing warm water further westward in the Pacific. This often results in heavy rainfall in Southeast Asia and Australia.

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Practice More Climate and Weather Questions

Question #1
Which of the following is the primary factor for the regional climate of the Mediterranean region?
A. Trade winds
B. Polar easterlies
C. Subtropical high pressure in summer, westerly winds in winter
D. Monsoon winds

Correct Answer: Option C


Explanation:
The Mediterranean climate is characterized by hot, dry summers due to subtropical high pressure and mild, wet winters due to the influence of westerly winds and mid-latitude cyclones.

This question belongs to: Geography GK Climate and Weather
Question #2
Which of the following is a dry wind that blows in Australia?
A. Willy-Willy
B. Fremantle Doctor
C. Southerly Buster
D. Brickfielder

Correct Answer: Option D


Explanation:
The Brickfielder is a hot, dry wind that blows from the interior of Australia towards the southern coast in summer.

This question belongs to: Geography GK Climate and Weather
Question #3
The term 'Walker Circulation' refers to:
A. A cell of rising and sinking air over the equator
B. A cell of rising and sinking air over the Pacific Ocean
C. A wind pattern over the Atlantic
D. A type of thunderstorm

Correct Answer: Option B


Explanation:
The Walker Circulation is a large-scale cell of rising and sinking air over the Pacific Ocean. Warm air rises over the western Pacific (near Indonesia) and sinks over the eastern Pacific. This circulation is disrupted during El Niño events.

This question belongs to: Geography GK Climate and Weather