Q. Lichen is an association between which of the two?
Answer: Algae and fungus
Notes: A lichen is an organism that is formed by the symbiotic association of a fungus and an algae or cyanobacterium. A lichen has 95% of fungi and only 5% of algae by its mass. It occurs as crusty patches or bushy growths on tree trunks, bare ground, etc.

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📌 Question Number: 60 in 9. Algae & Fungi in the above course in App.