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Which of the following is used as an atmospheric pollution indicator?
a. Lepidoptera
b. Lichens
c. Lycopersicon
d. Lycopodium
Answers (1)
The answer is the option (b) Lichens
Explanation: Air is the primary source of most elements for Lichens as they do not have roots. They will not grow in the polluted areas and thus are used as a reliable indicator of atmospheric pollution.
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