Question Bank - Agriculture Officer

Here's the question bank on all the agriculture officer topics.

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The sperm employed for artificial insemination of cattle is stored in

A.
Dry ice
B.
Liquid nitrogen
C.
Liquid ammonia
D.
Liquid oxygen

Solution:

The correct answer is Liquid nitrogen. Today, cryopreservation in liquid nitrogen (-196 °C) is a technique that allows for long?term storage of spermatozoa. This is a highly practical method in breeding programs for domestic animals. It is used to maintain the establishment and genetic diversity of gene banks. Liquid nitrogen boils at ?195. 79 °C (77 K ?320 °F), which allows very little deterioration of bovine semen.

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