Botany - Respiration in Plants Question with Solution | TestHub

During the step of Krebs' cycle, where succinic acid undergoes oxidation or dehydrogenation to form Fumaric acid, FAD is reduced to FADH₂and enzyme involved in this step is succinic acid dehydrogenase.

Conversion of isocitric acid to$\alpha$-ketoglutaric acid, malic acid to oxaloacetic acid and pyruvic acid to acetyl Co-A, all involve the reduction of NAD to NADH + H⁺.