Which of the following describes the ploidy level of embryo sac or female gametophyte before fertilization?

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Typical angiosperm embryo sac (8-nucleated, 7-celled) consists of:

$1 .$ Egg apparatus (3 cells = 2 synergids + 1 egg cell): Towards the micropylar end.
$2 .$ Antipodals (3 cells): Towards the chalazal end.
$3 .$ Large central cell (1 cell): It possesses 2 polar nuclei.

Embryo sac formed by haploid megaspore, therefore, before fertilization, has ploidy level as haploid.

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