How many ascospores are generally produced in an ascus?

The cell wall of all fungi is composed of:

Is the common edible mushroom an autotroph or a heterotroph?

Pseudomycelium is formed in

The sex organs are absent,but plasmogamy is brought about by the fusion of two vegetative or somatic cells of different genotypes. This is a characteristic feature of:

Match the correct class for the given examples:
$(1)$ Puccinia,$(2)$ Colletotrichum,$(3)$ Albugo,$(4)$ Claviceps,$(5)$ Agaricus.