Question:
The two micro organisms which live in symbiotic association in lichens are
(a) fungus and protozoa
(b) alga and bacteria
(c) bacteria and protozoa
(d) alga and fungus
Solution:
(d) Lichens is an association between a fungal and an algal species. It is mutually benefiting association where algae provides food to the tongue
fungus return gets shelter from it.