| 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 | 
| A. | Energy of oxidation-reduction is utilised for phosphorylation | 
| B. | Oxygen acts as the final hydrogen acceptor | 
| C. | The photo-oxidative energy is utilised for production of proton gradient required for phosphorylation | 
| D. | The role of oxygen is limited to the terminal stage of the respiration process | 
| E. | Protons cross the outer membrane of mitochondria through the channel formed by an integral membrane protein complex | 
| 1. | A, B, C, E only | 2. | A, B, D only | 
| 3. | B, C, D, E only | 4. | A, C, D only | 
| List-I | List-II | ||
| A. | ETS Complex I | I. | NADH Dehydrogenase | 
| B. | ETS Complex II | II. | Cytochrome bC1 | 
| C. | ETS Complex III | III. | Cytochrome C oxidase | 
| D. | ETS Complex IV | IV. | Succinate Dehydrogenase | 
| A. | Cellular respiration is the breaking of C-C bonds of complex organic molecules by oxidation. | 
| B. | The entire cellular respiration takes place in mitochondria. | 
| C. | Fermentation takes place under anaerobic conditions in germinating seeds. | 
| D. | The fate of pyruvate formed during glycolysis depends on the type of organism also. | 
| E. | Water is formed during respiration as a result of \(O_2\) accepting electrons and getting reduced. | 
| Assertion (A): | ATP is used at two steps in glycolysis . | 
| Reason (R): | First ATP is used in converting glucose into glocose-6-phosphate and second ATP is used in conversion of fructose-6-phosphate into fructose-1-6-diphosphate. | 
| 1. | (A) is False but (R) is True. | 
| 2. | Both (A) and (R) are True and (R) is the correct explanation of (A). | 
| 3. | Both (A) and (R) are True but (R) is not the correct explanation of (A). | 
| 4. | (A) is True but (R) is False. | 
| 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 |