Correct option is C
The correct answer is: (C) -196°C
Frozen semen is stored in liquid nitrogen at -196°C, which is the boiling point of liquid nitrogen under atmospheric pressure.
This extremely low temperature ensures that the sperm cells remain in a viable and suspended state, halting all biological activity and preserving them for long-term use in artificial insemination.
Important Key Points:
Storage medium: Liquid nitrogen
Purpose: Preservation of semen for long-term use in artificial breeding
Common in: Dairy and livestock breeding centers
Maintains: Viability and motility of sperm upon thawing
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