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NEET2018Botany-Environmental Issues

NEET 2018 Botany Air Pollution MCQ Question

Type: MCQ-conceptual-Medium

Which of the following is a secondary pollutant?

A

SO₂

B

CO₂

C

CO

D

O₃

Correct Answer

Option D

Detailed Explanation

Ozone (O₃) is a secondary pollutant formed by the reaction of primary pollutants like NOx and VOCs in the presence of sunlight.

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