What is the stored food material in fungi?

Identify the basis of classification of fungi into phycomycetes,ascomycetes,basidiomycetes and deuteromycetes.
$i$. Fruiting bodies
$ii$. Nature of habitat
$iii$. Morphology of mycelium
$iv$. Mode of spore formation

Vegetative reproduction by fragmentation is common in

Which of the following is an example of saprophytes?

Which of the following is a parasite on mustard plants?

Which of the following fungi are edible?