Question

black pepper seeds have both endosperm& perisperm. what is the difference between these two structures?

Answer 1

Perisperm is the nutritive tissue that is derived from the nucellus. It encloses the embryo and provide nourishment to it in certain seeds.
Endosperm is the structure formed after the double fertilization in plants . Endosperm provides nutrition to the embryo which is formed by fusion of male and female gametes.