(a) Lichens
(b) Conifers
(c) Algae
(d) Fungi
[CBSE AIPMT 2015]
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Edited: Aug 23, 2021
Which of the following are most suitable indicators of SO₂ pollution in the environment?
Which of the following are most suitable indicators of SO₂ pollution in the environment?
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Correct Option (a) Reason : Lichens are useful bioindicators for air pollution, especially sulphur dioxide pollution, since they derive their water and essential nutrients mainly from the atmosphere rather than from soil.