Question

Explain the structure of Dicotyledonous seed.​

Answer 1

Structure Of Dicotyledonous Seed

⚫A seed coat is made of two layers—an outer testa and an inner tegmen.

⚫There is a scar on the seed coat called hilum. Through the hilum, the developing seeds are attached to the fruit.

⚫A micropyle is the small pore present just above the hilum.

⚫An embryo is enclosed by the seed coat.

An embryo is enclosed by the seed coat.The embryo has an embryonal axis and two cotyledons.

⚫The cotyledons are fleshy, and they serve as the food reserves for the developing embryo.

⚫At the two ends of the embryonal axis are the radicle and the plumule.

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Answer 2

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structure of Dicotyledonous seed:

The outermost covering of a seed is the seed coat. The seed coat has two layers, the outer testa and the inner tegmen. The hilum is a scar on the seed coat through which the developing seeds were attached to the fruit. Above the hilum is a small pore called the micropyle. With in the seed coat is the embryo , consisting of an embroyonal axis and two cotyledons. The cotyledon are often fleshy and full of reserve food materials.

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