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Question

Which of the following sets represents the egg apparatus in angiosperms?

A
Ovum and antipodals
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B
Ovum and synergids
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C
Ovum, synergids and polar nuclei
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D
Ovum, antipodals and synergids
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Solution

The correct option is B Ovum and synergids
A fully developed angiosperm embryo sac is a 8 nucleated and 7 celled structure with the egg apparatus at its micropylar end that consists of 3 cells (2 synergids and 1 egg cell or ovum), 3 antipodal cells at the chalazal end and a central cell having two polar nuclei at its centre.

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