Which of the following statement(s) is/are true about lichen? A. Lichen is a single organism. B. Lichens are pollution indicators. C. Fungi provides anchorage and moisture for algae. D. Algal part in lichen are parasitic.
A
A
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B
B
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C
C
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D
D
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Solution
The correct options are B B C C
Lichen is not a single organism, it is a symbiotic association between algae and fungi.
Algae prepares food for fungi. On the other hand, fungi provides anchorage and absorbs water and mineral for the algal partner.
Lichens are very good pollution indicators. They do not grow in polluted areas, especially sulphur dioxide.