Fungi inhabiting wood are known as

The fusion of gametangia in $Rhizopus$ is known as:

What is the nature of cells in the dikaryotic phase of Ascomycetes and Basidiomycetes?

$Statement-1$: Yeast is a multicellular fungus.
$Statement-2$: Penicillium is a unicellular fungus.
$Statement-3$: Albugo is a parasitic fungus on mustard.

Fungi that grow on dung are called ..........

In $Ascomycetes$ and $Basidiomycetes$,the dikaryotic cell is .....