Ergot of rye is caused by a species of which of the following?

Morels and truffles are included in the class ......

Refer to the statement and answer the question. "Once the sexual stages of members of Deuteromycetes were discovered, they were often moved to $X$ and $Y$." Identify $X$ and $Y$.

Which of the following types of heterothallism is found in $Mucor$?

Basidiomycetes include ..........

Match the following columns:

Column-$I$ (Class)	Column-$II$ (Origin of asexual spores)
$P$. Phycomycetes	$I$. Spores are produced exogenously.
$Q$. Basidiomycetes	$II$. Absent
$R$. Ascomycetes	$III$. Spores are produced endogenously.