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Question

Pollen grains can be stored for several years in liquid nitrogen having a temperature of

A
80 C
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B
160 C
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C
120 C
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D
196 C
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Solution

The correct option is D 196 C
Cryopreservation

Cryopreservation is a technique to store and preserve cells, tissues and organs at a low temperature of 196 C in liquid nitrogen to maintain their viability for future use.
For example, pollen grains are stored in liquid nitrogen at 196 C to preserve them for various future purposes like research and farming.

Final answer
196 C

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