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 |
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 |
Match List-I with List II
List-I | List-II | ||
(a) | ETS complex-I | (i) | Cyt bc1 |
(b) | ETS complex-II | (ii) | Cyt a,a3 and 2 copper centres |
(c) | ETS complex-III | (iii) | NADH dehydrogenase |
(d) | ETS complex-IV | (iv) | Ubiquinone and FADH2 dehydrogenase |
Choose the correct answer from the options given below:
(a) | (b) | (c) | (d) | |
1. | (ii) | (i) | (iv) | (iii) |
2. | (iv) | (iii) | (ii) | (i) |
3. | (iii) | (ii) | (i) | (iv) |
4. | (iii) | (iv) | (i) | (ii) |
Identify the cytochrome which acts as a mobile carrier for the transfer of electrons between complex III and IV?
1. | Cytochrome a | 2. | Cytochrome a3 |
3. | Cytochrome b c1 | 4. | Cytochrome c |
Which of the following statements is incorrect?
1. | ATP is synthesized through complex V. |
2. | Oxidation-reduction reactions produce a proton gradient in respiration. |
3. | During aerobic respiration, the role of oxygen is limited to the terminal stage. |
4. | In ETC (Electron Transport Chain), one molecule of NADH+H+ gives rise to 2 ATP molecules, and one FADH2 gives rise to 3 ATP molecules. |
Which of the following statements regarding mitochondria is incorrect?
1. | Mitochondrial matrix contains single circular DNA molecule and ribosomes. |
2. | Outer membrane is permeable to monomers of carbohydrates, fats, and proteins. |
3. | Enzymes of electron transport are embedded in the outer membrane. |
4. | Inner membrane is convoluted with infoldings. |
Where is the respiratory electron transport system (ETS) located in plants?
1. Mitochondrial matrix
2. Outer mitochondrial membrane
3. Inner mitochondrial membrane
4. Intermembrane space