1.

explain the formation of endosperm in angiosperm

Answer»

ENDOSPERM DEVELOPMENT IN ANGIOSPERMS

Endospermdevelops from the triploidprimary endospermic nucleus(PEN).

ThePENdivides and redivides bymitosisto form a tissue calledendosperm.

Endosperm grows faster than the embryo and gets surrounded around the embryo.

In some plants, endosperm is completed utilized by the developing embryo and as a result there is no endosperm in the mature seeds. This type of seed without endosperm is called nonendospermic (exalbuminous). Example:Ground nut, Pea.

In some plants, endosperm is partially utilized by the developing embryo and as a result there is endosperm in the mature seeds. This type of seed with endosperm is calledendospermic (albuminous). Example:Maize, Castor



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