Botany (M.Phil./Ph.D.) 2020 Panjab University Entrance Exam With Answers

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12.

Cryopreservation is a process to preserve plant cells, tissues or organs

A: At very low temperature, by using Ether
B: At very high temperature, by using liquid nitrogen
C: At very low temperature of -196oC, by using liquid nitrogen
D: At very low temperature, by using Xylene

The answer is: C

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