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Which of the following mineral is not required for microorganism?

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in Fermentation Technology by (72.1k points)
Which of the following mineral is not required for microorganism?

(a) Pb

(b) K

(c) S

(d) Mg

I had been asked this question in a job interview.

The above asked question is from Media for Industrial Fermentations topic in division Media for Industrial Fermentations of Fermentation Technology

1 Answer

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Best answer
The correct answer is (a) Pb

Explanation: The minerals required to microorganisms are Potassium, Sulphur, Calcium, Chlorine, Phosphorus, Magnesium, Iron, etc. Lead (Pb) is not required in media as it can be poisonous to microorganisms.

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