2020 · Q112
Which one of the following is used for storing biological tissues?
General KnowledgeBiology
- ALiquid nitrogen
- BLiquid helium
- CLiquid argon
- DLiquid bromine
Explanation
Biological tissues are preserved by cryopreservation in liquid nitrogen at about -196 degrees C. Liquid helium, liquid argon and bromine are not used for tissue storage. The correct answer is liquid nitrogen.