Heterotrophic and absorptive type of nutrition is found in ...........

Dikaryon formation is the characteristic feature of

Which of the following is true for fungi?

Select the correct match from the given options.

$A$: Sac fungi are not photosynthetic.
$R$: They obtain nutrition through absorption.

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