Which of the following organisms has a cell wall composed of chitin?

The imperfect fungi which are decomposers of litter and help in mineral cycling belong to:

In $Yeast$,sexual reproduction occurs by conjugation. After fusion,the zygotic nucleus divides meiotically to form haploid spores. The unicellular structure containing these haploid spores is known as:

Which of the following statement$(s)$ is/are correct about ascomycetes?
$(i)$ Neurospora,which is used in biochemical and genetic work is a member of this class.
$(ii)$ They are mostly multicellular,e.g.,Yeast,or rarely unicellular,e.g.,Penicillium.
$(iii)$ They are saprophytic,decomposers,parasitic or coprophilous.
$(iv)$ Some examples are Aspergillus,Claviceps and Neurospora.

When fungi feed on dead organic matter,they are known as

In $Neurospora$,all alleles express their effect because.....