The arrangement of the nuclei in a normal embryo sac in the dicot plants is
$3 + 3 + 2$
$2 + 4 + 2$
$3 + 2 + 3$
$2 + 3 + 3.$
An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle is
Xenia and metaxenia terms are related with
The outermost layer of endosperm of maize grain is called
Endosperm is the result of
Pollens are be stored at which temperature