First slide

Pre-fertilisation : Structures and Events

Question

Pollen banks
A : Store pollen grain in liquid nitrogen
B : Are centers for storage of pollen grains for various artificial plants breeding programs.

Easy

A

Only (A) is correct.
B

Only (B) is correct.
C

Both (A) and (B) are correct
D

Both (A) and (B) are incorrect.

Solution

It is possible to store pollen grains of a large number of species for years in liquid nitrogen (-196⁰C). Such stored pollen can be used as pollen banks, similar to seed banks, in crop breeding programmes.

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