NEET levelSingle correct optionDifficulty 1 of 3ev063
Ozone present near the ground level (troposphere) is regarded as
Aa primary pollutant released directly by volcanoes
Ba harmful secondary pollutant found in photochemical smog
Can inert gas with no health effect
Da protective layer which should be increased
Answer: B
Tropospheric ozone is produced by sunlight-driven reactions of nitrogen oxides and hydrocarbons, so it is a secondary pollutant. It irritates the eyes and lungs and damages plants.