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Introduction to Angiosperms

Male gametes ...

Question

Male gametes in angiosperms are formed by the division of

A

Microspore mother cell

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B

Generative cell

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C

Microspore

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D

Vegetative cell

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Solution

The correct option is B
Generative cell

The generative cell divides mitotically to give rise to two male gametes.

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Stamen is regarded as a microsporophyll that possesses microsporangia which have microspore mother cells that give rise to microspores. The cells of sporogenous tissues undergo meiotic division to form microspore tetrad. Microspore is present in the bilobed structure called anther. A male gametophyte is a gamete producing haploid phase in a plant. In angiosperms, it is the pollen grains that are regarded as gametophytes.

A dithecous anther is __________.
[1 mark]

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