Question
Biology Question on Double Fertilisation
Pollen grains can be stored for several years in liquid nitrogen having a temperature of
A
−160∘C
B
−120∘C
C
−196∘C
D
−80∘C
Answer
−196∘C
Explanation
Solution
Pollen grains can be stored for several years in liquid nitrogen at −196∘C (Cryopreservation)