+1 vote
in Fermentation Technology by (72.1k points)
Which of the following is not a method of sterilization?

(a) Radiation

(b) Chemical Treatment

(c) Ultrasonic treatment

(d) Cooling

The question was posed to me in an internship interview.

My question is based upon Continuous Sterilization topic in chapter Sterilization of Fermentation Technology

1 Answer

+2 votes
by (424k points)
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Best answer
Right choice is (d) Cooling

Easiest explanation: The alternative methods of sterilizations includes radiations, chemical treatment, ultrasonic treatment, heating, filtration. The medium which is to be sterilized is exposed to radiations or certain chemicals that will remove the contamination from the medium.

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