This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 13 Photosynthesis In Higher Plants – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 25 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Increasing the intensity of light had what effect on photosynthesis? A) It slowed it down. B) It sped up. C) It stayed the same. D) None of the above. Show Answer Correct Answer: B) It sped up. 2. What is the dependant variable in an experiment? A) The variable the experimenter has control over. B) The data the experimenter is collecting. C) Factors that do not change over the course of the experiment. D) None of the above. Show Answer Correct Answer: B) The data the experimenter is collecting. 3. How many carbon atoms are in RuBP? A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: D) 5. 4. What is the main function of the Z scheme in photosynthesis? A) To split water into hydrogen and oxygen. B) To transfer electrons from Photosystem II to Photosystem I and finally to NADP+. C) To produce glucose directly. D) To absorb carbon dioxide. Show Answer Correct Answer: B) To transfer electrons from Photosystem II to Photosystem I and finally to NADP+. 5. In an experiment to measure photosynthesis, why is it important to control the temperature? A) Temperature affects the color of the leaves. B) Temperature affects the rate of enzyme activity. C) Temperature affects the soil quality. D) Temperature affects the water absorption. Show Answer Correct Answer: B) Temperature affects the rate of enzyme activity. 6. Design an experiment to test the effect of light intensity on the rate of photosynthesis in plants. A) Measure the growth of plants in different soil types. B) Use a light meter to measure light intensity and count oxygen bubbles produced by aquatic plants. C) Compare the color of leaves in different light conditions. D) Measure the temperature of plants under different light sources. Show Answer Correct Answer: B) Use a light meter to measure light intensity and count oxygen bubbles produced by aquatic plants. 7. Photosynthesis equation: A) 6H$_{2}$O + 6O$_{2}$ $\rightarrow$ 6C$_{6}$H$_{12}$O$_{6 }$+ 6CO$_{2 }$. B) 6CO$_{2 }$+ 6H$_{2}$O $\rightarrow$ C$_{6}$H$_{12}$O$_{6 }$+ 6O$_{2}$. C) CO$_{2 }$+ H$_{2}$O $\rightarrow$ C$_{6}$H$_{12}$O$_{6 }$+ O$_{2}$. D) H$_{2}$O + O$_{2}$ $\rightarrow$ C$_{6}$H$_{12}$O$_{6 }$+ CO$_{2 }$. Show Answer Correct Answer: B) 6CO$_{2 }$+ 6H$_{2}$O $\rightarrow$ C$_{6}$H$_{12}$O$_{6 }$+ 6O$_{2}$. 8. How can greenhouses increase the rate of photosynthesis? A) Controlling and trapping heat to increase photosynthesis. B) Stopping rainfall affecting plant growth. C) Surrounding plants in the colour green makes them more likely to photosynthesise. D) Plants are only given what they need instead of just taking everything they can find. Show Answer Correct Answer: A) Controlling and trapping heat to increase photosynthesis. 9. Which of the following statement is incorrect regarding pigments? A) Pigments are substances that have an ability to absorb light, at specific wavelengths. B) Chlorophyll b is the chief pigment associated with photosynthesis. C) Leaf pigments can be separated by chromatography. D) Accessory pigments protect chlorophyll a from photo-oxidation. Show Answer Correct Answer: B) Chlorophyll b is the chief pigment associated with photosynthesis. 10. Which of the following carry out photosynthesis? A) Bees. B) Red algae. C) Humans. D) Mushrooms. Show Answer Correct Answer: B) Red algae. 11. The waxy, waterproof layer that covers most leaves is called the what? A) Spore. B) Cuticle. C) Seed coat. D) Xylem. Show Answer Correct Answer: B) Cuticle. 12. The enzyme rubisco is found in- A) Chloroplast. B) Mitochondria. C) Cytoplasm. D) Nucleus. Show Answer Correct Answer: A) Chloroplast. 13. What is the primary function of the Calvin cycle in photosynthesis? A) To produce oxygen. B) To convert solar energy into chemical energy. C) To fix carbon dioxide into organic molecules. D) To generate ATP and NADPH. Show Answer Correct Answer: C) To fix carbon dioxide into organic molecules. 14. What are the three essential ingredients needed for photosynthesis? A) Sunlight, water, and carbon dioxide. B) Oxygen, nitrogen, and glucose. C) Sunlight, oxygen, and glucose. D) Water, nitrogen, and minerals. Show Answer Correct Answer: A) Sunlight, water, and carbon dioxide. 15. What is the role of RuBisCO in the Calvin pathway? A) It combines RuBP with O2 to form sugars. B) It combines RuBP with CO2 to form 2 molecules of 3PGA. C) It breaks down ATP to release energy. D) It synthesizes NADPH. Show Answer Correct Answer: B) It combines RuBP with CO2 to form 2 molecules of 3PGA. 16. The expression "We are creatures of chloroplasts" means that- A) All life possesses chloroplast. B) All life depends ultimately on photosynthesis. C) Chloroplasts are models of all cell organelles. D) A and c. Show Answer Correct Answer: B) All life depends ultimately on photosynthesis. 17. Which type of energy conversion occurs during the process of photosynthesis? A) Chemical energy is converted into radiant energy. B) Radiant energy is converted into thermal energy. C) Thermal energy is converted into chemical energy. D) Radiant energy is converted into chemical energy. Show Answer Correct Answer: D) Radiant energy is converted into chemical energy. 18. What is the function of the enzyme phosphoglycerate kinase in the Calvin cycle? A) To convert 3PGA into G3P. B) To produce ATP. C) To regenerate RuBP. D) To fix carbon dioxide. Show Answer Correct Answer: A) To convert 3PGA into G3P. 19. Ferredoxin is a component of A) Hill reaction. B) Photosystem I. C) P 680. D) Photosystem II. Show Answer Correct Answer: B) Photosystem I. 20. In which part of the chloroplast do the light-dependent reactions take place? A) Stroma. B) Thylakoid membrane. C) Outer membrane. D) Inner membrane. Show Answer Correct Answer: B) Thylakoid membrane. 21. Which process is the opposite of photosynthesis? A) Fermentation. B) Glycolysis. C) Cellular Respiration. D) Transpiration. Show Answer Correct Answer: C) Cellular Respiration. 22. Which gas is absorbed by plants during photosynthesis? A) Oxygen. B) Nitrogen. C) Carbon Dioxide. D) Hydrogen. Show Answer Correct Answer: C) Carbon Dioxide. 23. Under normal field conditions, which one is the limiting factor in photosynthesis? A) CO2. B) Light. C) Water. D) None of these. Show Answer Correct Answer: A) CO2. 24. Which of the leaf cells contains chloroplast? A) Epidermis cells. B) Mesophyll cells. C) Cortical cells. D) Phloem. Show Answer Correct Answer: B) Mesophyll cells. 25. What was the independent variable in this investigation? A) Light Intensity. B) Number of bubbles produced. C) Temperature. D) Time. Show Answer Correct Answer: A) Light Intensity. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 1Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 2Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 3Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 4Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 5Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 6Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 7Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 8Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 9Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books