Which gas is responsible for the depletion of the Ozone layer? MCQ with Answer and Explanation

Which gas is responsible for the depletion of the Ozone layer?
A. Nitrogen Oxide
B. Methane
C. Chlorofluorocarbons (CFCs)
D. Carbon Dioxide
Answer: Option C
Solution (By JKSSB Mock Tests)
CFCs release chlorine atoms when exposed to UV radiation, which actively destroy ozone molecules in the stratosphere.

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Practice More Science and Technology Questions

Question #1
What is the name of India's fastest supercomputer as of recent years?
A. Tianhe
B. Summit
C. Fugaku
D. PARAM Siddhi

Correct Answer: Option D


Explanation:
PARAM Siddhi-AI is one of India's fastest.

Question #2
Which mission of ISRO was India's first interplanetary mission to Mars?
A. Aditya-L1
B. Chandrayaan-1
C. Gaganyaan
D. Mangalyaan (Mars Orbiter Mission)

Correct Answer: Option D


Explanation:
Mangalyaan, launched in 2013, made India the first Asian nation to reach Mars orbit.

Question #3
Which acid is present in the human stomach?
A. Sulfuric acid
B. Nitric acid
C. Hydrochloric acid
D. Citric acid

Correct Answer: Option C


Explanation:
Hydrochloric acid (HCl) is secreted by the stomach to aid digestion.