The arrangement of the nuclei in a normal embryo sac in the dicot plants is: - Biology MCQ Biology | ExamTest.live | ExamTest.live

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The arrangement of the nuclei in a normal embryo sac in the dicot plants is:

A $2 + 4 + 2$
B $3 + 2 + 3$
C $2 + 3 + 3$
D $3 + 3 + 2$

Solution & Step-by-step Explanation

A mature Polygonum-type embryo sac is 7-celled and 8-nucleate, having 3 antipodal cells at the chalazal end, a central cell with 2 polar nuclei, and a 3-celled egg apparatus (2 synergids + 1 egg) at the micropylar end.

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The arrangement of the nuclei in a normal embryo sac in the dicot plants is:

A

2 + 4 + 2

B

3 + 2 + 3

C

2 + 3 + 3

D

3 + 3 + 2

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