Q. The energy-releasing metabolic process in which substrate is oxidized without an external electron acceptor, is called

A) glycolysis
B) Fermentation
C) Aerobic respiration
D) Photorespiration
Explanation

In fermentation, the incomplete oxidation of glucose is achieved under, anaerobic condition by set of reactions, where pyruvic acid is converted into carbon dioxide and ethanol. The enzyme, pyruvic acid decarboxylase and alcohol Dehydrogenase catalyse these reactions.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.