The characters given below are assigned to                                                                                     

 a) Mycelium is branched and septate                   

 b) No asexual spores are generally formed

c) Vegetative reproduction by fragmentation is common

d) Sex organs are absent, but sexual reproduction takes place by somatogamy

e) Karyogamy and meiosis occur in basidium to form haploid exogenous four basidiospores

f) Basidia are arranged in basidiocarp