Botany-Electron Transport Chain
NEET Botany Electron Transport Chain Assertion Reason Question
Type: Assertion Reason-assertion-Easy-Class 11
Assertion (A): In the electron transport chain, electrons from NADH are transferred to ubiquinone via NADH dehydrogenase. | Reason (R): Ubiquinone acts as a mobile carrier for electrons between complex I and complex III.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false.
Correct Answer
Option C
Detailed Explanation
In the electron transport chain, NADH dehydrogenase transfers electrons from NADH to ubiquinone. Ubiquinone is not a mobile carrier like cytochrome c; it is embedded in the inner mitochondrial membrane.
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