First slide

Pre-fertilisation : Structures and Events

Question

Wall of a pollen sac consists of

Easy

A

endothecium and tapetum
B

tapetum and middle layers
C

endothecium, middle layers and tapetum
D

epidermis, endothecium, middle layers and tapetum

Solution

Wall of pollen sac is generally surrounded by four wall layers the epidermis, endothecium, middle layers and the tapetum.

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