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Question

Double fertilization is an exclusive feature found in flowering plants.
Mature embryosac in majority of Angiosperms is

A
8 celled and 8 nucleate
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B
7 celled and 8 nucleate
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C
5 celled and 7 nucleate
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D
3 celled and 4 nucleate
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Solution

The correct option is C 7 celled and 8 nucleate
The mature embryo sac in angiosperms is the seven celled as eight nuclei structure due to three rounds of mitotic divisions. It consists of an egg with two adjacent synergids where the pollen will enter and two central nuclei that will combine with the pollen to form a triploid endosperm nucleus and three antipodal nuclei.

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