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Question

During formation of pollen grains, a microspore mother cell undergoes

A
One meiotic division
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B
One mitotic division
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C
One meiotic and one mitotic division
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D
One meiotic and two mitotic divisions
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Solution

The correct option is A One meiotic division
  • Pollen grains are formed from the microspore mother cell by the process of microsporogenesis and microgametogenesis.
  • Microsporogenesis is the formation of haploid microspores from diploid microspore mother cells through meiosis. Microgametogenesis is the development of microspore into mature pollen grains.
  • Hence, during the formation of pollen grains, microspore mother cell undergoes one meiotic division to produce four haploid microspores, generally in the form of a tetrad, which then develops into pollen grains.
So, the correct answer is A.

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