STANDARDZoology-Respiration in Plants

STANDARD Zoology Electron Transport System MCQ Question

Type: MCQ-conceptual-Medium-Class 11

In the electron transport system present in the inner mitochondrial membrane, complexes I and IV are respectively

A

NADH dehydrogenase and FADH₂

B

FADH₂ and NADH dehydrogenase

C

NADH dehydrogenase and cytochrome oxidase complex

D

NADH dehydrogenase and ATP synthase

Correct Answer

Option C

Detailed Explanation

Complex I - NADH dehydrogenase in which electrons from NADH produced in the mitochondrial matrix during the citric acid cycle are oxidized and its electrons are transferred to ubiquinone located within the inner membrane. Complex IV - Cytochrome (oxidase containing cytochrome a and a₃ two copper clear.

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