Classes of kingdom-Fungi are
(i) Mode of nutrition
Phycomycetes Saprotrophic and parasitic
Ascomyeetes Saprotrophic and parasitic
Basidiomycetes Saprotrophic, parasitic and predaceous
Deuteromycetes Parasitic and saprotrophic
(ii) Mode of reproduction
Phycomycetes Asexual reproduction occurs by zoospores (motile) or by aplanospores (non-motile). Sexual reproduction is by gametangial fusion and gametic fusion.
Ascomyeetes Asexual reproduction is by conidia and sexual reproduction is by gametangial contact, spermatisation and somatogamy.
Basidiomycetes Asexual spores are generally not found but vegetative reproduction by fragmentation is common. Sexual reproduction is by somatogamy.
Deuteromycetes Reproduce only by asexual spores called conidia. Sexual reproduction not reported.