Question
Biology Question on respiration in plants
In which one of the following processes CO2 is not released?
A
Aerobic respiration in plants
B
Aerobic respiration in animals
C
Alcoholic fermentation
D
Lactate fermentation
Answer
Lactate fermentation
Explanation
Solution
Anaerobic respiration or fermentation can be of two types, i.e., lactate fermentation and ethanol fermentation. Lactate fermentation produces lactic acid only as pyruvic acid produced in glycolysis is directly reduced by NADH to form lactic acid and no CO2, is produced. Alcoholic (ethanol) fermentation involves conversion of pyruvate to acetaldehyde, hence, CO2, is released.