Among rust, smut and mushroom all the three (a) are pathogens (b) are saprobes (c) bear ascocarps (d) bear basidiocarps
Option D. Rust, smut and mushroom belong to phylum basidiomycetes of kingdom Fungi. Basidiomycetes decompose the woody structure of trees. They decompose cellulose and lignin. Rusts are parasitic on certain species of wheat and coffee. Smuts infect corn, wheat etc., and mushrooms are parasitic on the bark and roots of certain trees.
