Aflatoxins are produced by

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

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.

How do fungal hyphae penetrate the tough cell wall of a host cell?

Which of the following is not true for fungi?

Which one of the following groups of fungi is sometimes known as the "fungal waste basket"?