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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 $7$-celled, $8$-nudeate at maturity.

Sexual Reproduction in Flowering Plants

Solution:

Three cells which are grouped together at the micropylar end make the egg apparatus. Three cells at the chalazal end are called antipodals. A typical angiosperm embryo sac, at maturity, though 8-nucleate is 7-celled. So, the correct option is '(iii) only'.