What is the major cause of the ozone hole? MCQ with Answer and Explanation

What is the major cause of the ozone hole?
A. Chlorofluorocarbons (CFCs)
B. Volcanic eruptions
C. Greenhouse gas emissions
D. Deforestation
Answer: Option A
Solution (By JKSSB Mock Tests)
The ozone hole is primarily caused by Chlorofluorocarbons (CFCs) and other ozone-depleting substances, which release chlorine and bromine atoms that catalyze the destruction of ozone in the stratosphere.

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Practice More Climate and Weather Questions

Question #1
Which of the following instruments is used to measure wind speed?
A. Hygrometer
B. Rain gauge
C. Anemometer
D. Barometer

Correct Answer: Option C


Explanation:
An anemometer is used to measure wind speed. It typically consists of rotating cups or a propeller that spins faster with stronger winds.

This question belongs to: Geography GK Climate and Weather
Question #2
What is the name of the phenomenon where air moves from high pressure to low pressure?
A. Conduction
B. Convection
C. Wind
D. Advection

Correct Answer: Option C


Explanation:
Wind is the movement of air from areas of high pressure to areas of low pressure due to the pressure gradient force. Convection is vertical movement, advection is horizontal movement, and conduction is heat transfer.

This question belongs to: Geography GK Climate and Weather
Question #3
Which type of rainfall is caused by air rising over mountains?
A. Convectional rainfall
B. Orographic rainfall
C. Cyclonic rainfall
D. Frontal rainfall

Correct Answer: Option B


Explanation:
Orographic rainfall occurs when moist air is forced to rise over a mountain barrier, cooling and condensing to form clouds and precipitation on the windward side.

This question belongs to: Geography GK Climate and Weather