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Diversity In Living Organisms — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceDiversity In Living Organisms3 Marks
Question
Write a note on lichens.
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Answer

Lichens occur in hostile habitats such as barren rocks, walls, tree trunks and icy regions where they can be seen as slow growing large coloured patches. They are a source of essences, dhup, havan samagri, some medicines and dyes.

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