Question

Number of oxygen molecules utilized in glycolysis is

• A. $0$
• B. $2$
• C. $4$
• D. $6$

Answer 1

The correct option is A $0$

Glycolysis is the first step in both aerobic and anaerobic respiration. It is an anaerobic breakdown of glucose into pyruvic acid which does not require any oxygen and takes place in the cytoplasm of cells.

Thus, the correct answer is option A.