Which of the following is regarded as the $Drosophila$ of the fungal world?

Match the Column-$I$ and Column-$II$:

Column-$I$	Column-$II$
$(i)$ Agaricus	$(a)$ Ascomycetes
$(ii)$ Colletotrichum	$(b)$ Deuteromycetes
$(iii)$ Albugo	$(c)$ Phycomycetes
$(iv)$ Neurospora	$(d)$ Basidiomycetes

Assertion $(A)$: In bread mold $(Rhizopus)$,sexual reproduction does not result in the formation of an embryo.
Reason $(R)$: In sponges $(Porifera)$,the cell wall is made of cellulose.

Thick-walled asexual spores formed by $Rhizopus$ are:

Identify the correct sequence of stages in sexual reproduction.

Which of the following is $NOT$ a stage of sexual reproduction in fungi?