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Class 11 Biology Practice Test: Photosynthesis in Higher Plants - Photorespiration
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Class 11 Biology Practice Test: Photosynthesis in Higher Plants - Photorespiration
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15 Questions

1. Which of these take place in the first step of the Calvin pathway?
2. Why is the productivity of C4 plants better than that of C3 plants?
3. What is the first step of the Calvin pathway?
4. Why is carbon dioxide fixation decreased in some C3 plants?
5. What is formed when the active site of RuBisCO binds to oxygen?
6. Which of these is a 2-carbon molecule?
7. Which of these is true regarding carbon dioxide fixation?
8. What does the name RuBisCO imply?
9. When CO2: O2 is approximately 1, RuBisCO has a lower affinity for CO2. True or false?
10. What factor determines the binding of carbon dioxide to the active site of RuBisCO?
11. Which of these are synthesized during photorespiration?
12. What is the most abundant enzyme in the world?
13. Which of these cannot help us differentiate between C3 and C4 plants?
14. Which of these is not true regarding photorespiration?
15. Complete the reaction.
RuBP + CO2 →

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