Q. Which of the following statements is incorrect?
A) In ETC (Electron Transport Chain), one molecule of NADH + $H^+$ gives rise to 2 ATP molecules, and one $FADH_2$ gives rise to 3 ATP molecules.
B) ATP is synthesized through complex V.
C) Oxidation - reduction reactions produce proton gradient in respiration,
D) During aerobic respiration, role of oxygen is limited to the terminal stage.
Explanation
[Solution] One NADH + $H^+$ gives 3 ATP and one $FADH_2$ gives 2 ATP; the statement has them reversed. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.