Which of the following is a secondary pollutant? MCQ with Answer and Explanation

Which of the following is a secondary pollutant?
A. Nitrogen oxides
B. Sulfur dioxide
C. Carbon monoxide
D. Ozone
Answer: Option D
Solution (By JKSSB Mock Tests)
Ozone is a secondary pollutant, meaning it is not emitted directly but is formed in the atmosphere through chemical reactions between primary pollutants (like nitrogen oxides and volatile organic compounds) in the presence of sunlight.

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Practice More Climate and Weather Questions

Question #1
Which of the following Köppen climate types is characterized by a continental climate?
A. A
B. B
C. D
D. C

Correct Answer: Option C


Explanation:
In the Köppen system, 'D' represents continental (microthermal) climates, characterized by large temperature differences between summer and winter, with cold winters.

This question belongs to: Geography GK Climate and Weather
Question #2
Break in monsoon' occurs when:
A. Monsoon ends early
B. Rainfall is excessive
C. There is no rainfall for 1-2 weeks
D. Monsoon arrives late

Correct Answer: Option C


Explanation:
A 'break in monsoon' is a period of 1-2 weeks when rainfall is significantly reduced or absent over most of India during the monsoon season.

This question belongs to: Geography GK Climate and Weather
Question #3
The highest atmospheric pressure in India is recorded during:
A. Winter
B. Monsoon
C. Post-monsoon
D. Summer

Correct Answer: Option A


Explanation:
The highest atmospheric pressure is recorded during winter (January-February) when the land is colder and high-pressure systems develop over northern India.

This question belongs to: Geography GK Climate and Weather