MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
C4 pathway uses 5 ATP molecules and 4 NADPH molecules as the energy source. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
What is the chemical formula for oxaloacetic acid? |
| A. | C<sub>4</sub>H<sub>3</sub>O<sub>5</sub> |
| B. | C<sub>4</sub>H<sub>4</sub>O<sub>5</sub> |
| C. | C<sub>4</sub>H<sub>4</sub>O<sub>6</sub> |
| D. | C<sub>3</sub>H<sub>4</sub>O<sub>5</sub> |
| Answer» C. C<sub>4</sub>H<sub>4</sub>O<sub>6</sub> | |
| 3. |
Which enzyme plays the role of a catalyst in CO2 fixation in C4 plants? |
| A. | Carbonic mutase |
| B. | Carbonic reductase |
| C. | Carbonic anhydrase |
| D. | Carbonic dehydrogenase |
| Answer» D. Carbonic dehydrogenase | |
| 4. |
The total carbon dioxide fixation done by the C4 plants is _________ |
| A. | 3% |
| B. | 13% |
| C. | 23% |
| D. | 33% |
| Answer» D. 33% | |
| 5. |
The C4 plants grow in the cold climate places. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Where does the C4 pathway take place? |
| A. | Bundle sheath |
| B. | Xylem |
| C. | Mesophylls |
| D. | Phloem |
| Answer» D. Phloem | |
| 7. |
What is the final product of the C4 cycle? |
| A. | Aspartate |
| B. | Malate |
| C. | Oxalate |
| D. | Acetate |
| Answer» C. Oxalate | |
| 8. |
Which of the following is an example of C4 plants? |
| A. | Sugarcane |
| B. | Wheat |
| C. | Rice |
| D. | Cactus |
| Answer» B. Wheat | |
| 9. |
Which of the following leaf anatomy is a characterization of C4 plants? |
| A. | Piezo anatomy |
| B. | Norman anatomy |
| C. | Kranz anatomy |
| D. | Richard anatomy |
| Answer» D. Richard anatomy | |
| 10. |
What is the enzyme used in the conversion of pyruvate to phosphoenolpyruvate? |
| A. | Pyruvate monophosphate dikinase |
| B. | Pyruvate orthophosphate dikinase |
| C. | Pyruvate monophosphate reductase |
| D. | Pyruvate orthophosphate reductase |
| Answer» C. Pyruvate monophosphate reductase | |
| 11. |
Who discovered C4 cycle? |
| A. | Hatch and Slack |
| B. | Kolliker |
| C. | Robert Brown |
| D. | Rudolph Markus |
| Answer» B. Kolliker | |