A) ultra - preservation
B) cryo - preservation
C) chemical preservation
D) physical preservation.
Correct Answer: B
Solution :
: Cryopreservation is the preservation of biological materials, such as tissue, fluids, blood, or plasma at very low temperatures. This enables the tissue to be used in another individual at a later time, as it remains viable after thawing. The technique is used to preserve human semen for artificial insemination.
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