First slide

Pre-fertilisation : Structures and Events

Question

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

Easy

A

- 196^oC
B

- 80^oC
C

- 120^oC
D

- 160^oC

Solution

Pollen grains can be stored for several years in liquid nitrogen having a temperature of - 196^oC (cryopreservation). Pollen grains can be later used in plant breeding programmes.

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