In the sexual cycle of fungi,the event of meiosis takes place?

Puff ball is a

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.

The flask-shaped fruiting body of Ascomycetes is called .............

Yeast is heterotrophic because...

Rhizopus reproduces asexually through