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Question

Lichen and mosses do not grow in :-

A
CO2 polluted area
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B
NO2 polluted area
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C
CO polluted area
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D
SO2 polluted area
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Solution

The correct option is D SO2 polluted area
Solution: Lichens are used as the indicators of air pollution. Air pollutants which are in the gaseous forms get dissolved in the rainwater, especially SO2 (sulphur dioxide) can damage lichens and check them from growing. Places where lichens are not going, it indicates the air heavily polluted with sulphur dioxide.
So the correct answer is "$SO_2$ polluted area"


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