What type of nutrition do fungi exhibit?

In the sexual cycle of fungi,the event of meiosis takes place $:-$

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 $Y$.

Match the following columns:

Column-$I$ (Class)	Column-$II$ (Examples)
$P$. Ascomycetes	$I$. Alternaria,Colletotrichum,Trichoderma
$Q$. Phycomycetes	$II$. Aspergillus,Claviceps,Neurospora
$R$. Basidiomycetes	$III$. Agaricus,Ustilago,Puccinia
$S$. Deuteromycetes	$IV$. Mucor,Rhizopus,Albugo

Among plants,'pheromones' are secreted by the cells of which of the following for the given function?

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