Identify the part labeled as '$A$' in the given figure.

Neurospora,an ascomycetes fungus,has been used as a biological tool to understand the mechanism of plant genetics in much the same way as Drosophila has been used to study animal genetics. What makes Neurospora so important as a genetic tool?

What is the stored food material in fungi?

$A.$ $Mucor$ is a saprophyte.
$R.$ $Mucor$ lacks chlorophyll.

Which pair of the following belongs to basidiomycetes?

What is the name of the fungal cell wall component?