Perisperm is
(a) persistent nucellus in seed
(b) ovule wall
(c) ovule coat
(d) fossil of haustoria
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Answer:
a) persistent nucellus in seed
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(a) persistent nucellus in seed
Explanation:
The nucellar tissue is either absorbed completely by the developing embryo sac and embryo or small portion may remain as storage tissue. Thus the remnant of nucellar tissue in the seed is called perisperm. Examples of perisperm are black pepper and beet root. Hence, in these examples of perisperm remnants of nucellus are also persistent. Therfore, perisperm is the persistent nucellus in seed.
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