Which of the following is a major factor in the formation of the westerlies? MCQ with Answer and Explanation

Which of the following is a major factor in the formation of the westerlies?
A. Hadley cell circulation
B. Polar cell circulation
C. All of the above
D. Ferrel cell circulation
Answer: Option D
Solution (By JKSSB Mock Tests)
The westerlies are formed by the Ferrel cell circulation, where air flows from the subtropics towards the poles.

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Question #1
In the Southern Hemisphere, winds around a low-pressure system circulate:
A. Counterclockwise
B. Upward
C. Clockwise
D. Straight

Correct Answer: Option C


Explanation:
In the Southern Hemisphere, winds around a low-pressure system circulate clockwise (opposite to the Northern Hemisphere) due to the Coriolis force deflecting winds to the left.

This question belongs to: Geography GK Climate and Weather
Question #2
Which of the following is a major factor in the formation of a thunderstorm?
A. Subsidence
B. High pressure
C. Stable atmospheric conditions
D. Unstable atmospheric conditions

Correct Answer: Option D


Explanation:
Thunderstorms form when there is atmospheric instability, meaning warm, moist air near the surface is forced to rise, leading to convection, condensation, and the development of cumulonimbus clouds.

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What is the name of the phenomenon where warm water accumulates in the eastern Pacific, causing reduced rainfall in the western Pacific?
A. Pacific Decadal Oscillation
B. El Niño
C. La Niña
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Correct Answer: Option B


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El Niño is characterized by the accumulation of warm water in the eastern Pacific, leading to reduced rainfall in the western Pacific.

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