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Solution


Q.

On observing an embryo of a pea seed, a student listed its various parts as given below :

Micropyle, Cotyledon, Plumule, Testa, Radicle, Tegmen

On examining the list the teacher remarked that out of these only three parts belong to embryo. Select these three parts:
1 Testa, Radicle, Cotyledon  
2 Tegmen, Radicle, Micropyle  
3 Cotyledon, Plumule, Radicle  
4 Cotyledon, Plumule, Testa  

Ans.

(3)

Pea is a dicot plant with testa, cotyledons, and embryonic axis in its seed. The cotyledon, plumule, and radicle make up the embryo. Cotyledons are fleshy spherical structures on the embryonic axis that carry reserve feeding resources. The radicle is found on the micropylar end of embryonic axis, while the plumule is found on the other end.