The 'Walker Circulation' weakens during: MCQ with Answer and Explanation

The 'Walker Circulation' weakens during:
A. El Niño
B. Indian Ocean Dipole
C. La Niña
D. Normal conditions
Answer: Option A
Solution (By JKSSB Mock Tests)
Walker Circulation weakens during El Niño as the trade winds weaken, allowing warm water to shift eastward across the Pacific.

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Practice More Climate and Weather Questions

Question #1
Which of the following is the primary reason for the high rainfall in the Western Ghats?
A. Frontal systems
B. Convection
C. Orographic effect
D. Cyclones

Correct Answer: Option C


Explanation:
The Western Ghats receive high rainfall during the Southwest Monsoon due to the orographic effect, with the moist winds rising over the mountains.

This question belongs to: Geography GK Climate and Weather
Question #2
What is the name of the scale used to classify hurricanes in the Atlantic?
A. Saffir-Simpson scale
B. Mercalli scale
C. Richter scale
D. Fujita scale

Correct Answer: Option A


Explanation:
The Saffir-Simpson scale is used to categorize hurricanes (tropical cyclones) in the Atlantic and Eastern Pacific based on their sustained wind speeds. The Richter scale is for earthquakes, the Fujita scale for tornadoes, and the Mercalli scale for earthquake intensity.

This question belongs to: Geography GK Climate and Weather
Question #3
Which of the following is a major factor in the formation of the Arctic Oscillation?
A. Sea level pressure differences between the Arctic and the North Atlantic
B. Sea level pressure differences between the Arctic and the Southern Hemisphere
C. Sea level pressure differences between the Arctic and the North Pacific
D. Sea level pressure differences between the Arctic and the rest of the Northern Hemisphere

Correct Answer: Option D


Explanation:
The Arctic Oscillation is a large-scale pattern of sea level pressure differences between the Arctic and the rest of the Northern Hemisphere.

This question belongs to: Geography GK Climate and Weather