Question

Fermentation carried out by yeast is called as _________ .

• A. pyruvic fermentation
• B. lactic acid fermentation
• C. alcoholic fermentation
• D. basic fermentation

Answer 1

The correct option is C

alcoholic fermentation

Fermentation is basically anaerobic respiration. When an organism burns the carbohydrates in the absence of oxygen to get energy, the type of respiration is called anaerobic respiration or fermentation.

Fermentation is of two types:

1. Alcoholic fermentation: alcohol is one of the end product in this type. e.g.fermentation by yeast

2. Lactic acid fermentation: lactic acid is one of the end products in this type e.g. anaerobic respiration in muscles.