Lichens are indicators of pollution because

Biology Biological Classification Viruses, Viroids, Prions, Lichens and Mycorrhiza Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

They grow in oxygen depleted regions

They don't grow in polluted regions

They grow in polluted regions

Their growth indicates that the region has very high carbon levels

Text Solution

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The correct answer is:

Lichens are very sensitive to air pollution, especially sulfur dioxide. So, their absence indicates polluted air, making them good bioindicators.

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