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Question

Citric acid is obtained from _______

A

Aspergillus niger

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B

Rhizobium nigricans

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C

Penicillium citrinum

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D

Lactobacillus vulgaricus

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Solution

The correct option is A

Aspergillus niger


Bioactive molecules are those molecules that are functional in living system or can interact with their components. Microbes are used for commercial and industrial production of certain chemicals ( bioactive molecules ) like organic acids, enzymes, cyclosporin A and statins. Certain microbes have the ability to convert carbohydrates into organic acids. Aspergillus niger ( fungus ) is used to get Citric acid.
So, the correct answer is 'Aspergillus niger'

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