Number of chromosomes is $24$ in nucellus. Number of chromosomes in microspore mother cell would be.

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24

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Solution

The correct option is B $24$
Nucellus is diploid i.e. 2n.
Mature pollen grains are developed from microspore mother cells by microsporogenesis through meiotic division. Microspore mother cell is also diploid.
So, the correct option is C.

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