Alcohol can be converted into vinegar by the action of micro-organisms called:
(a) viruses (b) yeast (c) protozoa (d) bacteria
The correct option is option (d):
Explanation for the correct option:
Explanation for incorrect options:
Viruses are pathogens which cause many diseases in organisms.
Yeast is fungi which help in the process called fermentation i.e., conversion of sugar into alcohol.
protozoans are protists which important to maintain the fertility of soil.
Final answer: Bacteria help in the conversion of alcohol into vinegar.