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This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
1. |
Which is the first stable product of the dark reaction in C4 plants? |
A. | Phosphoglyceric acid |
B. | Oxaloacetic acid |
C. | Glycolic acid |
D. | Malic acid |
Answer» B. Oxaloacetic acid | |
2. |
Which one of the following is true about C3 plants? |
A. | First stable product is phosphoglyceric acid |
B. | Photosynthetically more efficient |
C. | More efficient in CO2 fixation than C4 plants |
D. | None of the mentioned |
Answer» B. Photosynthetically more efficient | |
3. |
Which one of the following is true about C4 plants? |
A. | They minimize rubisco oxygenase activity by fixing CO2 into oxaloacetate |
B. | They mainly occur in areas of high temperature and light intensity |
C. | They minimize the rubisco oxygenase activity by fixing CO2 into phosphoenolpyruvic acid |
D. | C3 plants are more efficient in photosynthesis than C4 plants |
Answer» B. They mainly occur in areas of high temperature and light intensity | |