Which of the following are the industrial products of alcohol fermentation?I          DoughnutII         KimchiIII       Beer

The industrial products of alcohol fermentation from the options provided are:

I. Doughnut - No, doughnuts are not a product of alcohol fermentation. They are made from dough which is typically leavened by yeast, a process that involves fermentation but not specifically alcohol fermentation.

II. Kimchi - No, Kimchi undergoes lactic acid fermentation, not alcohol fermentation. This is a type of fermentation that produces lactic acid, not alcohol.

III. Beer - Yes, beer is a product of alcohol fermentation. The process of brewing beer involves fermenting sugars, usually derived from malted grains, into alcohol and carbon dioxide with the help of yeast. This is a classic example of alcohol fermentation.