The oxidation of a molecule of FADH2 yield less ATP (2ATP) …

Biology Respiration in Plants Respiratory Quotient Single Correct MCQ

Published on: August 27, 2026

The oxidation of a molecule of FADH2 yield less ATP (2ATP) and a molecule of NADH2 yields 3ATP but FADH2 yields only 2 ATP because

Carries few electrons

Passes its electrons to a transport molecule later in the chain and at a lower level

Has a lower energy conformation than NADH2

Is formed in the cytosol and energy is lost when it shuttles its electron across the mitochondrial membrane

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The correct answer is:

(b)

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