Which of the following is a negative phase of the Indian Ocean Dipole? MCQ with Answer and Explanation

Which of the following is a negative phase of the Indian Ocean Dipole?
A. Warmer than normal sea surface temperatures in the eastern Indian Ocean
B. Cooler than normal sea surface temperatures in the western Indian Ocean
C. No change in sea surface temperatures
D. Warmer than normal sea surface temperatures in the western Indian Ocean
Answer: Option A
Solution (By JKSSB Mock Tests)
A negative Indian Ocean Dipole is characterized by warmer than average sea surface temperatures in the eastern Indian Ocean and cooler in the west.

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Which of the following states receives the highest rainfall during the Southwest Monsoon?
A. Punjab
B. Rajasthan
C. Kerala
D. Tamil Nadu

Correct Answer: Option C


Explanation:
Kerala receives the highest rainfall during the Southwest Monsoon as it is the first state to receive the monsoon winds and has the Western Ghats causing orographic rainfall.

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Correct Answer: Option A


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Walker Circulation weakens during El Niño as the trade winds weaken, allowing warm water to shift eastward across the Pacific.

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Which of the following is a characteristic of a high-pressure system in the Northern Hemisphere?
A. Clockwise wind circulation
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Correct Answer: Option A


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High-pressure systems in the Northern Hemisphere have clockwise wind circulation. They are associated with sinking air, leading to clear skies and dry weather.

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