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B
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C
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D
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Solution
The correct option is A Six out of eight nuclei in the embryo sac are surrounded by cell walls while the remaining two nuclei (polar nuclei) are present s in the central cell. The egg apparatus consists of three cells (two synergids and one egg cell) at its the micropylar end. The synergids have special cellular thickenings at the micropylar tip called filiform apparatus. The three cells are at the chalazal end are called the antipodals. A typical mature embryo sac is 8-nucleate and 7-celled.