Question

Formation of vinegar from alcohol is caused by

• A. Bacillus subtilis
• B. Clostridium
• C. Acetobacter aceti
• D. Azotobacter

Answer 1

Answer: (C)

Acetobacter aceti

Acetobacter is a genus of acetic acid bacteria characterized by the ability to convert ethanol to acetic acid in the presence of oxygen. Acetobacter is of particular importance commercially, because some species are used in the production of vinegar. It is economically important because it is used in the production of vinegar by converting the ethanol in wine into acetic acid.