Q.

The imperfect fungi which are decomposers of litter and help in mineral cycling belong to            [2015]

1 Phycomycetes  
2 Ascomycetes  
3 Deuteromycetes  
4 Basidiomycetes  

Ans.

(3)

Deuteromycetes are the imperfect fungi which include all those fungi in which sexual stage is either absent or not known. Some members are saprophytes or parasites, while a large number of them are decomposers of litter and help in mineral cycling. E.g., Colletotrichum, Helminthosporium, etc.