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Question

Storage of biological tissues such as blood, organs, semen requires low temperature which is achieved upon the usage of

This question was previously asked in
CDS I 2022 English Previous Year Paper (10-April-2022)
The correct answer is

Liquid nitrogen

Based on the required temperatures for cryopreservation and the practical considerations of cost, safety, and effectiveness, liquid nitrogen is the standard substance used for the low-temperature storage of biological tissues like blood, organs, and semen.

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