Which of the following is the use of lichens in case of pollution [CBS – McqOptions

MCQOPTIONS

1.	Which of the following is the use of lichens in case of pollution [CBSE PMT 1999; Kerala PMT 2004]
A.	They treat the polluted water
B.	They act as bio indicators of pollutions
C.	They promote pollution
D.	Lichens are not related with pollution
Answer» C. They promote pollution

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