Diagram represents L. S. of monocot seed. Find out correct combination of labelling.
A
a - aleurone layer, b - scutellum, c - coleoptile, d - coleorhiza
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B
a - seed coat, b - scutellum, c - coleoptile, d - coleorhiza
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C
a - epithlium, b - scutellum, c - coleoptile, d - coleorhiza
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D
a - endosperm, b - scutellum, c - coleoptile, d - coleorhiza
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E
a - endosperm, b - scutellum, c - plumule , d - radicle
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Solution
The correct option is D a - endosperm, b - scutellum, c - coleoptile, d - coleorhiza A. Endosperm- In monocot endosperm provide food material to the developing embryo.
B. Scutellum- Embryo consists of a upper shield shaped called scutellum which is a reduced cotyledon.
C. Coleoptile- It is a protective sheath of plumule in monocots.
D. Coleorhiza- It is a protective sheath of radicle in monocots.
So, the correct answer is 'a- endosperm, b- scutellum, c- coleoptile, d- coleorhiza'.