Botany-Electron Transport Chain
NEET Botany Electron Transport Chain MCQ Question
Type: MCQ-diagram based-Easy-Class 11
A diagram of the electron transport chain within the mitochondria shows various complexes and electron carriers. Which complex is primarily responsible for receiving electrons from both NADH and FADH2?
A
Complex I (NADH dehydrogenase)
B
Complex II (Succinate dehydrogenase)
C
Complex III (Cytochrome bc1 complex)
D
Complex IV (Cytochrome c oxidase)
Correct Answer
Option B
Detailed Explanation
Complex II receives electrons from FADH2, which is generated during the oxidation of succinate in the citric acid cycle, while Complex I receives electrons from NADH.
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