Which of the following is the primary reason for the pre-monsoon thunderstorms in West Bengal and Assam? MCQ with Answer and Explanation

Which of the following is the primary reason for the pre-monsoon thunderstorms in West Bengal and Assam?
A. Cyclones
B. Convection
C. Western Disturbances
D. Orographic lifting
Answer: Option B
Solution (By JKExamLibrary)
Pre-monsoon thunderstorms, often called 'Nor'westers' or 'Kal Baisakhi', are caused by strong convection from intense surface heating, drawing in moist air from the Bay of Bengal.

This question belongs to: Geography GK Climate and Weather

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Question #1 Report Error
Which of the following is a major factor in the onset of the Indian monsoon?
A. The heating of the Tibetan Plateau
B. The cooling of the Indian Ocean
C. The weakening of the jet stream
D. The strengthening of the polar vortex

Correct Answer: Option A


Explanation:
The heating of the Tibetan Plateau during the pre-monsoon season plays a crucial role in the onset of the Indian monsoon by creating a large thermal low that draws in moist air from the ocean.

This question belongs to: Geography GK Climate and Weather
Question #2 Report Error
A positive Indian Ocean Dipole generally leads to:
A. Delayed monsoon
B. No effect on monsoon
C. Stronger monsoon in India
D. Weaker monsoon in India

Correct Answer: Option C


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A positive IOD (warmer waters in the western Indian Ocean) is generally associated with a stronger Southwest Monsoon and good rainfall in India.

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Which of the following is a crater lake in India?
A. Lonar Lake
B. Sambhar Lake
C. Pulicat Lake
D. Chilika Lake

Correct Answer: Option A


Explanation:
Lonar Lake in Maharashtra is a saline crater lake created by a meteorite impact.

This question belongs to: Geography GK Climate and Weather