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A Student Was Asked to Observe and Identify the Various Parts of an Embryo of a Red Kidney Bean Seed. He Identified the Parts and Listed Them as Under - Science

A student was asked to observe and identify the various parts of an embryo of a red kidney bean seed. He identified the parts and listed them as under:

I. Tegmen

II. Testa

III. Cotyledon

IV. Radicle

V. Plumule

The correctly identified parts among these are

(A) I, II and III

(B) II, III and IV

(C) III, IV and V

(D) I, III, IV and V

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Solution

(C) III, IV and V

An embryo has two large cotyledons and one embryo axis or tigellum. The upper end of the embryo axis is the plumule, and the lower end of the embryo axis which projects beyond the cotyledons is the radical. The testa is the thick outer seed coat, and the tegmen is the inner transparent seed coat of seeds.

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