First slide

Pre-fertilisation : Structures and Events

Question

Identify the labelled parts of the walls of the anther in the diagram given below:

Easy

A

A- Endothecium, B-Middle layer, C-Pollen grains
B

A- Endothecium, B-Middle layer, C-Tapetum
C

A-Middle layer, B-Endothecium, C-Connective
D

A-Exothecium, B-Endothecium, C-Middle layer

Solution

A- Endothecium
B- Middle layer
C- Tapetum.
From the diagram given Epidermis is the outermost layer. It is followed by Endothecium. The tapetum is the inner most layer supplying nourishment to the developing pollen grains.

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