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 |
Electron Transport System (ETS) is located in mitochondrial
1. outer membrane
2. inter membrane space
3. inner membrane
4. matrix
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) |
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
Which of the following processes makes direct use of oxygen?
1. Glycolysis
2. Fermentation
3. Kreb's citric acid cycle
4. Electron transport
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. | 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 |
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. |