Home Biology Respiration in Plants Skill Builder Following are the crucial events in aerobic …
Biology Respiration in Plants Skill Builder Single Correct MCQ
Published on: August 20, 2026

Following are the crucial events in aerobic respiration

(I) The complete oxidation of pyruvate by the stepwise removal of all the hydrogen atoms, leaving three molecules of CO 2 .

(II) The passing on of the electrons removed as part of the hydrogen atoms to molecules of O 2 with simultaneous synthesis of ATP.

Choose the correct option for the place these steps occurs in

A
First process of TCA and takes place in the matrix of mitochondria while the second process is ETS and is located on the inner membrane of mitochondria
B
I–Inner membrane of mitochondria, II–Matrix of mitochondria
C
I–Matrix of mitochondria, II–Outer membrane of mitochondria
D
I–Inner membrane of mitochondria, II–Outer membrane of mitochondria

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A
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