Many fungi belonging to the generaMicrosporum, Trichophyton and Epidermophyton are responsible for ringworms which is one of the most common infectious disease in man. Microsporum is a member of class-Deuteromycetes (Fungi Imperfecti) of Kingdom-fungi. Rhizopus (bread mould) is a member of class-Zygomycetes (Conjugation fungi) of Kingdom-Fungi.