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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 | |