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2018 Sexual Reproduction in Flowering Plants Pollen grain – storage and cryopreservation Easy Question 46 of 126 in Sexual Reproduction in Flowering Plants

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

A $-196^\circ C$

B $-80^\circ C$

C $-120^\circ C$

D $-160^\circ C$

The answer is A.

Solution

Liquid nitrogen is at $-196^\circ C$.

Pollen grains can be stored for several years in liquid nitrogen at $-196^\circ C$ (cryopreservation).

Concept pollen-cryopreservation

Sexual Reproduction in Flowering Plants in past papers

126 questions from this chapter have appeared across 26 exam years.