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Question:

Cotyledon of maize grain is called as: Plumule, Coleorhiza, Coleoptile, Scutellum

Scutellum

Plumule

Coleorhiza

Coleoptile

Solution:

The embryo in maize grain consists of a single cotyledon called a scutellum, a radicle, and a plumule. The radicle lies towards the pointed side of the embryonic region of the seed. It is covered by a protective sheath called coleorhiza. The plumule is located towards the upper side of the embryonic region opposite to radicle. It is also enclosed in a protective sheath known as coleoptile.