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

What is the major cause of the ozone hole?
A. Deforestation
B. Chlorofluorocarbons (CFCs)
C. Volcanic eruptions
D. Greenhouse gas emissions
Answer: Option B
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
What is the name of the boundary between the troposphere and the stratosphere?
A. Tropopause
B. Stratopause
C. Thermopause
D. Mesopause

Correct Answer: Option A


Explanation:
The tropopause is the boundary between the troposphere and the stratosphere.

This question belongs to: Geography GK Climate and Weather
Question #2
Which of the following is the primary reason for the low rainfall in the rain shadow region of the Western Ghats?
A. All of the above
B. Rain shadow effect
C. Altitude
D. Distance from the sea

Correct Answer: Option B


Explanation:
The rain shadow region of the Western Ghats (the Deccan Plateau) receives low rainfall because the mountains block the moisture-laden winds.

This question belongs to: Geography GK Climate and Weather
Question #3
Which of the following is an example of a local wind in India?
A. Mistral
B. Foehn
C. Chinook
D. Loo

Correct Answer: Option D


Explanation:
The 'Loo' is a strong, hot, and dry summer wind that blows over the northern plains of India, particularly in the states of Bihar, Uttar Pradesh, and Rajasthan.

This question belongs to: Geography GK Climate and Weather