What is the name of the phenomenon where the sea surface temperatures in the Indian Ocean are warmer than normal in the west and cooler in the east? MCQ with Answer and Explanation

What is the name of the phenomenon where the sea surface temperatures in the Indian Ocean are warmer than normal in the west and cooler in the east?
A. Negative Indian Ocean Dipole
B. Positive Indian Ocean Dipole
C. La Niña
D. El Niño
Answer: Option B
Solution (By JKSSB Mock Tests)
A positive Indian Ocean Dipole is characterized by warmer than normal sea surface temperatures in the western Indian Ocean and cooler in the east.

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Practice More Climate and Weather Questions

Question #1
What percentage of India's annual rainfall is received from the Southwest Monsoon?
A. 60-70%
B. 50-60%
C. 75-90%
D. 40-50%

Correct Answer: Option C


Explanation:
The Southwest Monsoon (June-September) contributes about 75-90% of India's total annual rainfall.

This question belongs to: Geography GK Climate and Weather
Question #2
What is the name of the phenomenon where there is a heavy snowstorm with strong winds and low visibility?
A. Snow squall
B. Blizzard
C. Ice storm
D. Nor'easter

Correct Answer: Option B


Explanation:
A blizzard is a severe snowstorm characterized by strong winds (exceeding 35 mph), heavy snowfall, and low visibility (less than 1/4 mile) for an extended period (at least 3 hours).

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Question #3
What is the name of the phenomenon where the wind direction changes clockwise with altitude in the Northern Hemisphere?
A. Wind veering
B. Wind backing
C. Wind shear
D. Wind gradient

Correct Answer: Option A


Explanation:
Wind veering is a clockwise change in wind direction with altitude in the Northern Hemisphere (e.g., from south to west). Wind backing is a counterclockwise change. Veering typically indicates warm air advection.

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