Which one of the following life cycles is associated with $Mucor$?

In $Rhizopus$,hyphae are:

What is oogamy in fungi?

Assertion $(A)$: Fungi are either parasitic or saprophytic.
Reason $(R)$: Some fungi obtain nutrients from living organisms,while others obtain them from decaying organic matter.

$A$ dikaryotic cell has

There is a myth that immediately after heavy rains in forests, mushrooms appear in large numbers and form a very large ring or circle, which may be several metres in diameter. These are called as "fairy rings". Can you explain this phenomenon of fairy rings in biological terms? Discuss the mycelial structure in $Agaricus$ and its soil-borne nature.