First slide

Pre-fertilisation : Structures and Events

Question

What is the correct sequence of development of microsporogenesis and male gametophyte development?

Easy

A

Pollen grain → Sporogenous tissue → Microspore tetrad → PMC → Male gametes
B

Sporogenous tissue → Microspore tetrad → PMC → Male gametes
C

Pollen grain → Male gametes → PMC → Microspore tetrad $\to$ Sporogenous tissue
D

Sporogenous tissue → PMC → Microspore tetrad → Pollen grain → Male gametes

Solution

During microsporogenesis, the sporogenous tissue initially forms Pollen Mother Cell (PMC). Then this pollen mother cell undergoes meiotic division to form microspore tetrad. The microspores further develop into pollen grains, which contain the male gametes.

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