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Mini-fermenters are used to study _____________

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Mini-fermenters are used to study _____________

(a) The amount of oxygen evolved

(b) The effect of oxygen concentration on yeast fermentation

(c) The effect of carbon dioxide concentration on yeast

(d) The amount of carbon dioxide consumed

I have been asked this question during a job interview.

This intriguing question originated from Laboratory Fermentation System topic in chapter Fermentation System & Management of Fermentation Technology

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Right choice is (b) The effect of oxygen concentration on yeast fermentation

For explanation: The mini-fermenters are used to study the effect of varying the initial oxygen concentration on the fermentation performance of individual yeast strains. This was reported by Boulton and Quain in 1987.

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