MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
NADH and FADH2 is associated with respectively ____________ |
| A. | Complexes I and complex II |
| B. | Complexes II and complex III |
| C. | Complexes I and complex III |
| D. | Complexes III and complex IV |
| Answer» B. Complexes II and complex III | |
| 2. |
Which of the following is not involved in electron chain transport system? |
| A. | Complexes I, II, II, IV |
| B. | Ubiquinone |
| C. | Cytochrome C |
| D. | All of them are involved |
| Answer» E. | |
| 3. |
Total number of ATPs formed by oxidation of one glucose molecule is ___________ |
| A. | 36 ATPs |
| B. | 30 ATP |
| C. | 32 ATPs |
| D. | 34 ATPs |
| Answer» B. 30 ATP | |
| 4. |
In the electron transport chain, each pair of electron donated by FADH2 releases sufficient energy to produce __________ |
| A. | 3 ATPs |
| B. | 1 ATP |
| C. | 2 ATPs |
| D. | 4 ATPs |
| Answer» D. 4 ATPs | |
| 5. |
In the electron transport chain, each pair of electron transferred from NADH to oxygen releases sufficient energy to produce __________ |
| A. | 3 ATPs |
| B. | 1 ATP |
| C. | 2 ATPs |
| D. | 4 ATPs |
| Answer» B. 1 ATP | |
| 6. |
The TCA cycle produces ___________ |
| A. | 2 GTPs |
| B. | 1 GTP |
| C. | 3 GTPs |
| D. | 4 GTPs |
| Answer» B. 1 GTP | |
| 7. |
The TCA cycle produces _____________ |
| A. | 2 FADH<sub>2</sub> |
| B. | 3 FADH<sub>2</sub> |
| C. | 4 FADH<sub>2</sub> |
| D. | 1 FADH<sub>2</sub> |
| Answer» B. 3 FADH<sub>2</sub> | |
| 8. |
The TCA cycle produces ____________ |
| A. | 2 NADH |
| B. | 6 NADH |
| C. | 8 NADH |
| D. | 4 NADH |
| Answer» C. 8 NADH | |
| 9. |
After glycolysis, which of the following is transported across the inner mitochondrial membrane into the matrix? |
| A. | Pyruvate |
| B. | Acetyl CoA |
| C. | ATP molecules |
| D. | Coenzyme A |
| Answer» B. Acetyl CoA | |
| 10. |
How many ATP molecules are produced per Krebs Cycle in eukaryotes? |
| A. | 2 ATP |
| B. | 36 ATP |
| C. | 38 ATP |
| D. | 24 ATP |
| Answer» E. | |
| 11. |
How many ATP molecules are produced per glucose molecules in eukaryotic Glycolysis? |
| A. | 2 ATP |
| B. | 3 ATP |
| C. | 4 ATP |
| D. | 6 ATP |
| Answer» B. 3 ATP | |
| 12. |
The first stable compound of Kreb s cycle is _____________ |
| A. | Citrate |
| B. | Cis- Aconitate |
| C. | Oxaloacetate |
| D. | Malate |
| Answer» B. Cis- Aconitate | |
| 13. |
Glycolysis takes place in _____ |
| A. | Outer membrane of mitochondria |
| B. | Inner membrane of mitochondria |
| C. | Mitochondrial matrix |
| D. | Cytosol |
| Answer» E. | |