Which is correct w.r.t. lichens? | vedclass

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(C) Lichens are symbiotic associations between algae and fungi. The algal component is called phycobiont (autotrophic),and the fungal component is cal

Vedclass · Accepted Answer

They are good pollution indicators

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(C) Lichens are symbiotic associations between algae and fungi. The algal component is called phycobiont (autotrophic),and the fungal component is called mycobiont (heterotrophic). Lichens are very sensitive to sulfur dioxide $(SO_2)$ pollution and therefore do not grow in polluted areas. Thus,they act as excellent indicators of air pollution.

Which is correct $w.r.t.$ lichens?

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