Class 11 Biology Biological Classification Viruses, Viroids, Prions and Lichens

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Which of the following describes the use of lichens in relation to pollution?

AIPMT 1999 All AIPMT

A
Lichens are not related to pollution.
B
They are biological indicators of pollution.
C
They treat polluted water.
D
They increase pollution.

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Class 11 Questions

Class 11

Biology Questions

Chapter

Biological Classification

Subtopic

Viruses, Viroids, Prions and Lichens

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