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Pollen grains can be stored in _____

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in Biology – Class 12 by (271k points)
Pollen grains can be stored in _____

(a) liquid oxygen

(b) liquid hydrogen

(c) liquid ozone

(d) liquid nitrogen

I had been asked this question in an interview for internship.

My question comes from Flowering Plants Reproduction in section Sexual Reproduction in Flowering Plants of Biology – Class 12

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Right answer is (d) liquid nitrogen

Easy explanation: It is possible to store pollen grains in liquid nitrogen. This means at extremely low temperatures (-196°C) in pollen banks for later use by the breeders for plant breeding programs.

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