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Which of the following organisms is responsible for the production of Citric Acid?

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in Biology – Class 12 by (271k points)
Which of the following organisms is responsible for the production of Citric Acid?

(a) Bacteria

(b) Archaebacteria

(c) Protozoa

(d) Yeast

This question was posed to me in a job interview.

My question comes from Microbes in Industrial Products-3 topic in portion Microbes in Human Welfare of Biology – Class 12

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Right answer is (d) Yeast

For explanation: Species of Yeast like Mucor species, Aspergillus niger can ferment sugar to produce citric acid. Citric acid is a preservative and flavouring agent.

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