Correct Answer :
B. Phycomycetes
Phycomycetes is a large and important class of parasitic or saprophytic fungi, the algal or alga like fungi. The plant body ranges from an undifferentiated mass of protoplasm to a well-developed and much-branched mycelium. Mycelium is aseptate and coenocytic. Asexual reproduction takes place by spores and sexual reproduction by the formation of conidia or sporangia.