| Statement I: | The number of ATP molecules synthesised by oxidative phosphorylation in mitochondria depends on the nature of the electron donor. |
| Statement II: | Oxidation of one molecule of NADH gives rise to 2 molecules of ATP, while that of one molecule of FADH2 produces 3 molecules of ATP. |
| 1. | Statement I is correct: Statement II is incorrect |
| 2. | Statement I is correct: Statement II is correct |
| 3. | Statement I is incorrect: Statement II is incorrect |
| 4. | Statement I is incorrect: Statement II is correct |