Describe the development of endosperm after double fertilization in an angiosperm. Why does endosperm development preceeds that of zygote ?

Why does endosperm development precede embryo development?

Describe endosperm development in angiosperm.

In angiosperms endosperm is formed by

(a) A capsicum flower has 240 ovules in its ovary . But , it produces a fruit with only 180 viable seeds. Explain giving a reason that could be responsible for such a result. (b) Describe the development of an endosperm in a viable seed. Why does endosperm development precedes embryo development ? (c) Give an example of an angiosperm seed that has a perisperm . Name the part the perisperm develops from.

Endosperm, a product of double fertilization in angiosperms is absent in the seeds of