First slide

Pre-fertilisation : Structures and Events

Question

The arrangements of the nuclei in a normal embryo sac in the dicot plants.

Easy

A

3 + 2 + 3
B

2 + 3 + 3
C

3 + 3 + 2
D

2 + 4 + 2

Solution

In embryo sac, the arrangement of nuclei is 3 at the micropylar region, 2 polar nuclei at the center and 3 antipodal nuclei at the chalazal region.

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