Pollen grain of large number of species can be stored in
A
Liquid carbon dioxide
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B
Liquid nitrogen
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C
Liquid sulphur dioxide
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D
Liquid oxygen
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Solution
The correct option is BLiquid nitrogen Pollen grain consists of hard covering of exine but their viability may lost with time. For Hybridisation pollen grains are collected and stored in liquid nitrogen below -196 degree Celsius temperature.