Question

There exists a close associatin between the algae and the fungus within a lichen. The fungus
A. provides protection, anchorage and absorption for the alga
B. provides food for the alga
C. fixes the atmospheric nitrogen for the alga
D. release oxygen for the alga

Answer 1

Correct Answer - A
(a) Lichen is a symbiotic association between a fungus and an algae. The fungal partner of lichen helps in the absorption of water and mineral to algal partner. It also provides protection and anchorage to algal partner of lichen. In exchange of this , the fungal partner absorbs prepared food material from algal partner. This food material is prepared by the algal partner of lichen through the process of photosynthesis.