MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following complexes in ETS are involved in the transport of protons? |
| A. | Complex I |
| B. | Complex II |
| C. | Complex V |
| D. | Complex IV |
| Answer» D. Complex IV | |
| 2. |
Which of the following energy is utilised for the production of the proton gradient in ETS? |
| A. | Energy of Oxygen |
| B. | Energy of Hydrogen |
| C. | Energy of Phosphorous |
| D. | Energy of Oxidation-Reduction |
| Answer» E. | |
| 3. |
Which of the following is the final hydrogen acceptor? |
| A. | Phosphorous |
| B. | Carbon |
| C. | Nitrogen |
| D. | Oxygen |
| Answer» E. | |
| 4. |
The number of ATP molecules synthesised depends upon which of the following? |
| A. | Nature of electron donor |
| B. | Nature of electron acceptor |
| C. | Nature of proton donor |
| D. | Nature of atom |
| Answer» B. Nature of electron acceptor | |
| 5. |
Complex IV is responsible for the production of ATP. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
How many copper centres are present in Complex IV? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» C. Three | |
| 7. |
Cytochrome c acts a carrier between which of the two complexes? |
| A. | Complex I and Complex II |
| B. | Complex II and Complex III |
| C. | Complex III and Complex IV |
| D. | Complex IV and Complex V |
| Answer» D. Complex IV and Complex V | |
| 8. |
What is reduced Ubiquinone called as? |
| A. | Ubiquinone |
| B. | Ubiquity |
| C. | Ubiquinol |
| D. | Ubiquinal |
| Answer» D. Ubiquinal | |
| 9. |
Ubiquinone receives electrons from Complex I and Complex IV. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Which complex oxidises the electrons produced by NADH? |
| A. | Complex I |
| B. | Complex II |
| C. | Complex V |
| D. | Complex IV |
| Answer» B. Complex II | |
| 11. |
Where are the electrons passed in ETS? |
| A. | Oxygen |
| B. | Water |
| C. | Carbon |
| D. | Nitrogen |
| Answer» B. Water | |
| 12. |
What is the use of ETS? |
| A. | To release and utilise energy |
| B. | To store energy |
| C. | To transfer energy to the surroundings |
| D. | To take energy from the surroundings |
| Answer» B. To store energy | |
| 13. |
What is the full form of ETS? |
| A. | Electrolyte Transport Serum |
| B. | Electrolyte Tissue System |
| C. | Electron Transport System |
| D. | Electron Transmission System |
| Answer» D. Electron Transmission System | |
| 14. |
Which of the following points are not necessary for the TCA to run continuously? |
| A. | Replenishment of Oxaloacetic acid |
| B. | Regeneration of NAD<sup>+</sup> |
| C. | Regeneration of FAD<sup>+</sup> |
| D. | Regeneration of malic acid |
| Answer» E. | |
| 15. |
How many points are there in the TCA cycle where NAD+ is reduced? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» D. Four | |