A negative Indian Ocean Dipole event is associated with: MCQ with Answer and Explanation

A negative Indian Ocean Dipole event is associated with:
A. Cooler than normal waters in the eastern Indian Ocean
B. Warmer than normal waters in the eastern Indian Ocean
C. No change in sea surface temperatures
D. Warmer than normal waters in the western Indian Ocean
Answer: Option B
Solution (By JKSSB Mock Tests)
A negative IOD event is characterized by warmer than normal sea surface temperatures in the eastern Indian Ocean and cooler than normal in the west. This often leads to increased rainfall over Indonesia and Australia and reduced rainfall over East Africa.

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Practice More Climate and Weather Questions

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Which of the following is the primary reason for low rainfall in the Deccan Plateau?
A. Cold currents
B. Distance from sea
C. Rain shadow effect
D. High altitude

Correct Answer: Option C


Explanation:
The Deccan Plateau lies in the rain shadow of the Western Ghats, receiving low rainfall as the monsoon winds lose moisture on the windward side.

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Question #2
Which of the following is a characteristic of the troposphere?
A. Increasing temperature with altitude
B. Decreasing temperature with altitude
C. No weather phenomena
D. Constant temperature with altitude

Correct Answer: Option B


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The troposphere is characterized by decreasing temperature with altitude (normal lapse rate) due to adiabatic cooling, and it contains most of the weather phenomena.

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Question #3
The Coriolis force is maximum at:
A. The equator
B. 60° latitude
C. 30° latitude
D. The poles

Correct Answer: Option D


Explanation:
The Coriolis force is maximum at the poles and zero at the equator. It is directly related to the sine of latitude, so it increases from the equator to the poles.

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