The given structure is a typical dicot embryo. Identify the plumule from the following.

The function of the suspensor in angiosperms is to .....

$A$: Complete radicle is not produced by the hypo-basal tier of the octant embryo during Crucifer-type development.
$R$: The hypophysis cell of the suspensor contributes to the tip of the radicle in this type of development.

The apical cell of the $2$-celled pro-embryo in angiosperms undergoes . . . . . . division to form $8$-celled octant pro-embryo.

Who first studied embryogeny in $Capsella$?

Embryogenesis is the process of development of