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Sequence of Development

Pollen grains...

Question

Pollen grains of rice and wheat lose their viability in _________ minutes of their release.

A

30

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B

10

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C

60

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D

90

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Solution

The correct option is A $30$
The pollen grains lose their viability within a period of time which varies from plant to plant.The viability of the pollen grains of rice and wheat is 30 minutes. So answer is A.

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