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In the seeds of cereals, the outer covering of endosperm separates the embryo by a protein-rich layer called:
A
Coleoptile
B
Coleorhiza
C
Integument
D
Aleurone layer
Explanation
The proteinaceous layer separating the embryo from the endosperm in cereals is the aleurone layer.
Detailed Solution
In monocot cereal seeds (such as maize), the outer covering of the endosperm separates the embryo by a special proteinaceous layer termed the aleurone layer.