First slide

Pre-fertilisation : Structures and Events

Question

Pollen grains can be stored in liquid nitrogen at _________.

Easy

A

70°C
B

100°C
C

– 196°C
D

0°C

Solution

Pollen grains can be stored in liquid nitrogen (–196°C) to retain their viability for longer duration of time. Such stored pollen can be used as pollen banks similar to seed banks, in crop breeding programmes.

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