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Which of the following is NOT the technique of preservation?

(a) storage on agar slants

(b) storage under liquid nitrogen

(c) dried cultures

(d) storage in water

I had been asked this question in exam.

This interesting question is from Preservation of Industrial Microorganisms topic in portion The Isolation, Preservation and Improvement of Industrial Microorganisms of Fermentation Technology

1 Answer

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Correct option is (d) storage in water

Best explanation: The techniques of preservation include – storage on agar slants, storage under liquid nitrogen, dried cultures, lyophilization. Storage in water is not a technique for the preservation of microbes.

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