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Question

Perisperm differs from endosperm in



Your Answer
A

having no reserve food

Correct Answer
B

being a diploid tissue

Your Answer
C

its formation by fusion of secondary nucleus with several sperms

Your Answer
D

being a haploid tissue


Solution

The correct option is A

being a diploid tissue


Perisperm is layer of nutritive tissue in the seeds of certain flowering plants that is derived from the nucellus and surrounds the embryo before fertilisation. It is a residual persistent nucells that remains in some seeds. The central cell (diploid) of the embryo sac after fusion with the male gamete (haploid), in a process can triple fusion becomes the primary endosperm nucleus which is triploid and eventually develop into the endosperm. The endosperm is a nutritive tissue and provides nutrients to the growing embryo. Perisperm is diploid while endosperm is triploid.

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