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

1. What happens when the incident light on a plant is excessive?
2. Which of these plants have the highest optimum temperature?
3. Increase in CO2 concentration up to 0.5% causes an increase in photosynthesis. True or false?
4. At what concentration do C4 plants show saturation?
5. At what percentage of sunlight does light saturation occur?
6. Which of these is not an external factor affecting photosynthesis?
7. A portion of the graph ‘Rate of photosynthesis vs. Light intensity’ is labelled ‘A’. What causes ‘A’?
In graph of Rate of photosynthesis vs Light intensity A causes increase in light intensity
8. Which of these is not an effect of water stress?
9. What is the atmospheric concentration of carbon dioxide?
10. Which scientist gave the Law of Limiting Factors?
11. This set of Botany Multiple Choice Questions and Answers focuses on “Factors Affecting Photosynthesis”.
1. Which of these is not an internal factor affecting photosynthesis?"
12. What do the internal factors affecting photosynthesis dependent on?
13. Why do stomata close during water shortage?
14. Which of these statements is false regarding the factors affecting photosynthesis?
15. Which of these plants are grown in carbon dioxide enriched atmosphere?

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