Indicator plants which can be used to indicat | vedclass

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(A) Lichens are highly sensitive to atmospheric sulfur dioxide $(SO_2)$ pollution.They lack a waxy cuticle and absorb nutrients and water directly fro

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Lichens like Usnea

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(A) Lichens are highly sensitive to atmospheric sulfur dioxide $(SO_2)$ pollution.They lack a waxy cuticle and absorb nutrients and water directly from the atmosphere,making them excellent bioindicators.Specifically,species like $Usnea$ and $Parmelia$ are widely recognized as indicators of air quality,as they disappear from areas with high levels of $SO_2$.

Indicator plants which can be used to indicate atmospheric pollution by $SO_2$ are

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