The process of conversion of sugar into alcohol by the action of yeast is known as _________.
Fermentation
The process of conversion of sugar into alcohol by the action of yeast is known as fermentation. Yeasts are eukaryotic microorganisms classified as members of the fungus kingdom. Microorganisms like yeast and bacteria usually play a role in the fermentation process. Fermentation is the process of conversion of sugar into alcohol. This process is used in alcohol industries.