Question

Lichens are well known combination of an alga and a fungus where the fungus has

(a) a saprophytic relationship with the alga

(b) an epiphytic relationship with the alga

(c) a parasitic relationship with the alga

(d) a symbiotic relationship with the alga

Answer 1

Correct option  (d) a symbiotic relationship with the alga

Explanation:

Lichen is a symbiotic association between a fungus and an alga. The fungal part is called mycobiont while the algal part is called phycobiont. The fungi absorb mineral and water to algae and the algae synthesise food by photosynthesis.