- 1(current)
Q. No.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
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) |
During which stage in the complete oxidation of glucose, is the greatest number of ATP molecules formed from ADP?
1. Glycolysis
2. Krebs cycle
3. Electron transport
4. Conversion of pyruvic acid to acetyl CoA
Which of the following statements is incorrect?
| 1. | ATP is synthesized through complex V. |
| 2. | Oxidation-reduction reactions produce 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 2ATP molecules, and one FADH2 gives rise to 3 ATP molecules. |
In mitochondria, protons accumulate in the :
| 1. | Matrix | 2. | Outer membrane |
| 3. | Inner membrane | 4. | Intermembrane space |
Which of the following statement regarding mitochondrial membrane is not correct?
| 1. | Outer membrane resembles a sieve |
| 2. | Outer membrane is permeable to all kinds of molecules |
| 3. | Enzymes of electron transport chain are embedded in outer membrane |
| 4. | Inner membrane is highly convoluted, forming a series of infoldings |
Match List-I with List II
| List-I | List-II |
| (a) ETS complex-I | (i) Cyt be1 |
| (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 FADH 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 |
- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.