What is the major cause of cyclonic rainfall? MCQ with Answer and Explanation

What is the major cause of cyclonic rainfall?
A. Rising air over mountains
B. Descending air
C. Convergence of air masses
D. Convection from surface heating
Answer: Option C
Solution (By JKExamLibrary)
Cyclonic or frontal rainfall is caused by the convergence of warm and cold air masses. The warm, moist air is forced to rise over the cold, denser air, leading to condensation and precipitation.

This question belongs to: Geography GK Climate and Weather

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Question #1 Report Error
Which of the following is the primary reason for the heat wave conditions in northern India during summer?
A. Intense solar radiation
B. All of the above
C. Hot winds from the Thar Desert
D. Clear skies and dry conditions

Correct Answer: Option B


Explanation:
Heat wave conditions in northern India during summer are caused by intense solar radiation, hot dry winds (loo) from the Thar Desert, and clear skies that allow maximum heating of the land surface.

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Question #2 Report Error
Which of the following is a major factor in the intensification of a tropical cyclone?
A. Strong wind shear
B. Warm ocean waters
C. Cold ocean waters
D. Landfall

Correct Answer: Option B


Explanation:
Tropical cyclones intensify over warm ocean waters (typically above 26°C) because the warm water provides the energy (latent heat) needed to fuel the storm. Cold water, wind shear, and landfall weaken the cyclone.

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Question #3 Report Error
Which of the following is the primary reason for the high rainfall in the Western Ghats of India?
A. Monsoon winds
B. Orographic lifting
C. Frontal systems
D. Convection

Correct Answer: Option B


Explanation:
The Western Ghats receive high rainfall during the southwest monsoon due to orographic lifting. Moisture-laden monsoon winds rise over the mountains, cool, condense, and release heavy rainfall on the windward side.

This question belongs to: Geography GK Climate and Weather