Algonquin College Health Program Assessment (AC-HPAT) Practice Exam

Alcoholic fermentation is classified as which type of respiration?

1. Aerobic Respiration

2. Cellular Respiration

3. Anaerobic Respiration

4. Oxidative Respiration

The correct answer is: Anaerobic Respiration

Alcoholic fermentation is classified as anaerobic respiration because it occurs in the absence of oxygen. During this process, sugars are converted into ethanol and carbon dioxide by yeast and certain bacteria. Anaerobic respiration differs from aerobic respiration, which requires oxygen, and it involves a different set of biochemical pathways. In alcoholic fermentation, the absence of oxygen leads to the partial breakdown of glucose, resulting in the production of energy along with byproducts like alcohol. This is a critical distinction as many organisms, such as yeast, rely on anaerobic respiration to generate energy in environments where oxygen is scarce.