The endosperm is absent in the seed of :

Pea

The correct answer is Option (4) → Pea

Endosperm is a tissue that surrounds the embryo in a seed. It is a food reserve that is used by the embryo to grow and develop. In some seeds, the endosperm is completely consumed by the developing embryo, while in others, it remains as a storage tissue.

Non-albuminous seeds are seeds in which the endosperm is completely consumed by the developing embryo. Examples of non-albuminous seeds include peas, beans,groundnut.

Albuminous seeds are seeds that have a large amount of endosperm, which is a tissue that stores food for the developing embryo. Examples of albuminous seeds include wheat, maize, and castor.