NEET Biology question

Not in NEET syllabus

Which of the following is the use of lichens in the case of pollution? **[AIPMT 1999]**

(A)They promote pollution
(B)Lichens are not related with pollution
(C)They treat the polluted water
(D)They act as bio indicators of pollutionCorrect

Answer: (D)

Solution

Lichens are highly sensitive to air pollutants, especially sulphur dioxide, failing to survive or thrive in polluted air, which makes their presence, absence or abundance a

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Question ID VK-130223