Correct Answer: Yeast

Solution : The answer is Yeast.

Yeast is a microorganism that is essential in alcoholic fermentation. It uses anaerobic respiration to convert carbohydrates like glucose and fructose into ethanol and carbon dioxide. This fermentation process is used in a variety of sectors, including the manufacturing of alcoholic drinks such as beer, wine, and spirits, as well as the creation of biofuels.