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Which of the following is/are used in dried culture preservation?

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+1 vote
in Fermentation Technology by (72.1k points)
Which of the following is/are used in dried culture preservation?

(a) Sand

(b) Soil

(c) Sand and Soil

(d) Slits

I got this question in unit test.

Query is from Preservation of Industrial Microorganisms topic in division The Isolation, Preservation and Improvement of Industrial Microorganisms of Fermentation Technology

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Best answer
The correct choice is (c) Sand and Soil

Best explanation: The use of sand and soil in dried culture preservation is that it reduces the metabolic activity of the culture and also doesn’t allow oxygen to diffuse.

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