NCERT Solutions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants
Important Board Questions
Sexual Reproduction in Flowering Plants
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Question : 3
Arrange the following terms in the correct developmental sequence: Pollen grain, sporogenous tissue, microspore tetrad, pollen mother cell, male gametes
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The correct development sequence is as follows:
Sporogenous tissue – pollen mother cell – microspore tetrad – Pollen grain – male gamete
During the development of microsporangium, each cell of the sporogenous tissue acts as a pollen mother cell and gives rise to a microspore tetrad, containing four haploid microspores by the process of meiosis (microsporogenesis). As the anther matures, these microspores dissociate and develop into pollen grains. The pollen grains mature and give rise to male gametes.
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