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Question

Biology Question on sexual reproduction in flowering plants

Endosperm is formed during the double fertilization by:

A

Two polar nuclei & one male gamete

B

One polar nuclei & one male gamete

C

Ovum and male gamete

D

Two polar nuclei & two male gametes

Answer

Two polar nuclei & one male gamete

Explanation

Solution

Double fertilization is a characteristic event observed in angiosperms, wherein both the embryo and the endosperm are formed simultaneously. In this process, a male gamete combines with two polar nuclei, giving rise to a triploid nucleus, which subsequently matures to create the endosperm.

So, the correct option is (A): Two polar nuclei & one male gamete