Assertion (A) Endosperm is formed by the fusion of one male gamete and two polar nuclei. Reason (R) In pea, the endosperm remains the part of seed as it is not completely consumed up during embryo formation

This section contains Assertion (A) and Reason (R) type questions. Each question has choices (1), (2), (3) and (4), out of which only one is correct. Assertion (A) Endosperm is formed by the fusion of one male gamete and polar nuclei. Reason (R) In pea the retains a part of endosperm as it is not completely used up during embryo development.

Fusion of male gamete with polar nuclei of embryo sac is known as

one of the examples of seeds in which the endosperm is completely consumed during embryo development is

Assertion : Cellular endosperm is formed by both nuclear division and wall formation Reason : It lacks haustoria.

Endosperm may completely be consumed by the developing embryo before seed maturation in: