First slide

Pre-fertilisation : Structures and Events

Question

Which of the following is correct ?

Easy

A

In pteridophytes, microsporangia develop to form pollen sacs
B

In gymnospenns, microsporangia develop to form pollination drop
C

In angiosperms, microsporangia become pollen sacs.
D

In gymnosperms, megasporophyll develops to form ovary.

Solution

The microsporangia develop further and become pollen sacs. They extend longitudinally all through the length of an anther and are packed with pollen grains.

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