Question

Why does the zygote begin to divide only after the division of primary endosperm cell?

Answer 1

$\huge\bf\pink{Bonjour \: Mate!!}$

$\mathfrak\green{Answer:-}$⭐The zygote needs nourishment during its development .As mature,fertilized embryo sac offers very little nourishment to the zygote,the primary endosperm cell divides and generates the endosperm tissue which nourishes the zygote .Hence the zygote always divides after division of primary endosperm cell.⭐

Answer 2

here is your answer mate....

it is because endosperm provides nutrition to the developing zygote, hence first energy need to divide zygote ,so to provide this energy endosperme divided first....