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Development of Female Gametophyte

In mature emb...

Question

In mature embryo sac, the central cell is

A

Single nucleate

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B

Binucleate

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C

Four nucleate

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D

Eight nucleate.

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Solution

The correct option is B Binucleate
The central cell of a mature angiospermic embryo sac contains two polar nuclei.
The two polar nuclei get fused prior to fertilisation to form a diploid secondary nucleus.
Hence, the central cell is binucleate.
So, the correct answer is B.

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Similar questions

Q. Choose the correct statement(s).
Statement 1: In a mature embryo sac, egg apparatus is situated towards the chalazal end.
Statement 2: In a mature embryo sac, antipodal cells are situated towards the micropylar end.
Statement 3: An angiosperm embryo sac is 7-celled 8-nucleate at maturity.

Q. Assertion: A typical angiosperm embryo sac is 8-nucleate and 7-celled.
Reason: The large central cell of embryo sac has three polar nuclei.

Q. In a mature embryo sac the central cell is

Q. Select the correct statement(s) regarding the structure of a mature embryo sac.
(i) Egg apparatus is situated towards chalazal end.
(ii) Antipodal cells are situated towards micropylar end.
(iii) a typical angiospermic embryo sac is

7

8

nucleate at maturity.

Q. A typical angiospermic embryo sac at maturity is eight nucleate and

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