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Question

A mature embryo is merely a spherical structure without the rudiments of plumule, radicle or cotyledons is seen in

A
Orobanche
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B
Riccinus
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C
Pisum
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D
Zea
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Solution

The correct option is C Orobanche
Orobanche is an obligates root parasite growing in the roots of plants like brinjal, potato, and mustard. They have erect unbranched roots. In the embryo of these plants the plumule, radicle or cotyledons are poorly developed. Instead, haustoria is formed for a parasitic mode of life. Thus, the correct answer is option A.

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