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The tall tubes are sterilized for minimum ____________

(a) 20 min

(b) 30 min

(c) 10 min

(d) 40 min

The question was asked at a job interview.

Enquiry is from Laboratory Fermentation System topic in chapter Fermentation System & Management of Fermentation Technology

1 Answer

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Best answer
Correct option is (b) 30 min

To elaborate: The tall tubes are sterilized with steam for a minimum of 30 minutes. It may also be sterilized by emptying the tubes and treating it with disinfectants like phenol compounds.

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