Question:
Which one of the following is not a pollutant?
Which one of the following is not a pollutant?
Show Hint
Pollutants:
- CO2: Greenhouse gas.
- CO: Toxic gas.
- SO2: Acid rain.
- Ozone: Beneficial in stratosphere.
- CO2: Greenhouse gas.
- CO: Toxic gas.
- SO2: Acid rain.
- Ozone: Beneficial in stratosphere.
Updated On: Sep 1, 2026
- Carbon dioxide
- Carbon monoxide
- Ozone
- Sulphur dioxide
Show Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Understanding the Question:
This question tests knowledge of air pollutants.
Step 2: Detailed Explanation:
Ozone is not a pollutant at the stratospheric level (it is beneficial).
However, ground-level ozone is a pollutant.
But the question asks for "not a pollutant" in general.
Carbon dioxide (A): A greenhouse gas (pollutant at high levels).
Carbon monoxide (B): A toxic pollutant.
Sulphur dioxide (D): A major pollutant.
Thus, the correct answer is ozone.
Step 3: Final Answer:
Thus, ozone is not a pollutant, which corresponds to option (C).
[0.5cm]
This question tests knowledge of air pollutants.
Step 2: Detailed Explanation:
Ozone is not a pollutant at the stratospheric level (it is beneficial).
However, ground-level ozone is a pollutant.
But the question asks for "not a pollutant" in general.
Carbon dioxide (A): A greenhouse gas (pollutant at high levels).
Carbon monoxide (B): A toxic pollutant.
Sulphur dioxide (D): A major pollutant.
Thus, the correct answer is ozone.
Step 3: Final Answer:
Thus, ozone is not a pollutant, which corresponds to option (C).
[0.5cm]
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