Question

For the commercial and industrial production of citric acid, which of the following microbes is used?

• A. Aspergillus niger
• B. Lactobacillus sp
• C. Saccharomyces cerevisiae
• D. Clostridium butylicum

Answer 1

The correct option is A Aspergillus niger

Certain microbes are used for the commercial and industrial production of organic acids and alcohols.

Some of them include:

• Aspergillus niger (fungus) is used in the production of citric acid.
• Lactobacillus (bacterium) is used in the production of lactic acid.
• Saccharomyces cerevisiae (Yeast) is used in the commercial production of ethanol.
• Clostridium butylicum (bacterium) is used in the production of butyric acid.