Question

In pollen banks, pollen grains are stored in liquid nitrogen at
(A) -1.96°C
(B) -19.6°C
(C) --196C
(D) -0.1969​

Answer 1

Explanation:

Pollen grains can be stored for several years in liquid nitrogen at a temperature of -196℃ and this is known as cryopreservation.

Answer 2

Answer:

b

Explanation:

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