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Double Fertilisation

The egg appar...

Question

The egg apparatus inside the embryo sac in angiosperms is

A

two celled

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B

three celled

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C

seven celled

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D

one celled

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Solution

The correct option is B three celled
The egg apparatus, which is three celled, includes two synergids and an egg. It is present near the micropylar end of embryo sac (opening of the ovule).

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Similar questions

Q. Select the correct statements regarding the structure of a mature embryo sac.

a) Egg apparatus consists one egg cell and two synergids.
(b) Antipodals cells are situated towards micropylar end.
(c) Polygonum type of embryo sac is most common type in angiosperms.
(d) Polar nuclei are situated below the egg apparatus in the larger central cell.

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. 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. Name the component cells of the 'egg apparatus' in an embryo sac.

Q. Egg apparatus of embryo sac has egg cell and synergids. The ploidy level and number of respective cells are

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Double Fertilisation

Standard XII Biology

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