The greenhouse effect is primarily caused by: MCQ with Answer and Explanation

The greenhouse effect is primarily caused by:
A. Ozone layer depletion
B. Reflection of solar radiation
C. Greenhouse gases trapping longwave radiation
D. Convection currents
Answer: Option C
Solution (By JKSSB Mock Tests)
The greenhouse effect is caused by greenhouse gases (CO2, methane, water vapor, etc.) in the atmosphere that trap outgoing longwave (infrared) radiation, warming the planet.

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Practice More Climate and Weather Questions

Question #1
Which of the following is the most cyclone-prone state in India?
A. Andhra Pradesh
B. Tamil Nadu
C. Odisha
D. West Bengal

Correct Answer: Option C


Explanation:
Odisha is the most cyclone-prone state in India, located on the eastern coast, frequently affected by cyclones from the Bay of Bengal.

This question belongs to: Geography GK Climate and Weather
Question #2
What is the name of the jet stream that primarily affects the Indian monsoon?
A. Tropical Easterly Jet
B. Polar Jet Stream
C. Subtropical Jet Stream
D. Arctic Jet Stream

Correct Answer: Option A


Explanation:
The Tropical Easterly Jet (TEJ) is a high-altitude jet stream over the Indian Ocean and Africa that plays a crucial role in the onset and intensity of the Indian monsoon.

This question belongs to: Geography GK Climate and Weather
Question #3
The term 'Hadley cell' refers to:
A. A type of cyclone
B. An ocean current
C. A type of cloud formation
D. A large-scale atmospheric circulation pattern

Correct Answer: Option D


Explanation:
A Hadley cell is a large-scale atmospheric circulation pattern where warm air rises at the equator, flows poleward at high altitudes, and sinks at the subtropics, forming the trade winds.

This question belongs to: Geography GK Climate and Weather