First slide

Pre-fertilisation : Structures and Events

Question

Which one of the following statement is correct ?

Easy

A

Hard outer layer of pollen is called intine
B

Sporogenous tissue is haploid
C

Endothecium produces the microspores
D

Tapetum nourishes the developing pollen

Solution

The inner wall of pollen grain is called intine.
Sporogenous tissue is diploid and undergoes meiotic division to form microspore tetrads.
Endothecium is the wall around the microsporangium, which provides protection and helps in the dehiscence of anther to release the Pollen. Tapetum nourishes the microspore mother cells and microspores.

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