A) Ascomycetes
B) Basidiomycetes
C) Zygomycetes
D) Phycomycetes
Correct Answer: A
Solution :
Claviceps is a member of class Ascomycetes. The Ascomycetes have a multicellular mycelium (except yeast) with septal pore and chitinous wall. The sexual reproduction produces dikaryophase(n + n). Other examples are: Saccharomyces, Penicillium, Aspergillus, Neurospora, Morchella etc. Basidiomycetes contains most advanced fungi and best decomposer of wood. Primary mycelium is inconspicuous haploid with monokaryotic cells. Secondary mycelium is long-lived and dikaryotic, produced by fusion between two monokaryotic cells or spores e.g., Agaricus, Amanita, Polyporus, Lycoperdon, Puccinia etc. Phycomycetes (oomycetes) contains lower fungi or algal fungi. The mycelium is Coenocytic. Hyphal wall may contain chitin or cellulose e.g., Albugo, Phytophthora, Pythium etc. The class Zygomycetes contains conjugation fungi. The mycelium is coenocytic, hyphal wall contains chitin, motile stage is absent. Sexual reproduction involves fusion of coenogametes through conjugation e.g., Rhizopus and Mucor.
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