| List-I | List-II | ||
| A. | Citric acid cycle | I. | Cytoplasm |
| B. | Glycolysis | II. | Mitochondrial matrix |
| C. | Electron transport system |
III. | Intermembrane space of mitochondria |
| D. | Proton gradient | IV. | Inner mitochondrial membrane |
| List-I | List-II | ||
| A. | Oxidative decarboxylation | I. | Citrate synthase |
| B. | Glycolysis | II. | Pyruvate dehydrogenase |
| C. | Oxidative phosphorylation | III. | Electron transport system |
| D. | Tricarboxylic acid cycle | IV. | EMP pathway |
| Options: | A | B | C | D |
| 1. | II | IV | III | I |
| 2. | III | IV | II | I |
| 3. | II | IV | I | III |
| 4. | III | I | II | IV |
| 1. | Thrice | 2. | Many |
| 3. | Once | 4. | Twice |
The number of substrate level of phosphorylations in one turn of citric acid cycle is:
| 1. | One | 2. | Two |
| 3. | Three | 4. | Four |