First slide

Pre-fertilisation : Structures and Events

Question

Statement A: Viability of pollen varies from species to species.
Statement B: Pollen viability can be prolonged by cryogenic technique.

Easy

A

Both statements A and B are incorrect.
B

Both statements A and B are correct
C

Statement A is incorrect and B is correct.
D

Statement A is correct and B is incorrect.

Solution

Pollen viability differs from species to species. Grasses have less pollen viability than dicots like Solanaceae members. Pollen viability can be enhanced by storing them at low temperatures (at -196⁰C) in liquid nitrogen which is called as cryopreservation.

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