Give scientific reasons: The members of class $Deuteromycetes$ are considered the fungi imperfecti.

(N/A) $\rightarrow$ $Deuteromycetes$ is an artificial class of fungi created to include all those fungi in which the sexual stage is either absent or not yet discovered.
$\rightarrow$ Because they lack a sexual cycle,they are often referred to as 'fungi imperfecti' or imperfect fungi.
$\rightarrow$ Their mycelium is usually septate and branched.
$\rightarrow$ They reproduce asexually primarily by conidia.