This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 13 Photosynthesis In Higher Plants – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 10 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The most crucial step of the calvin cycle is A) Carboxylation. B) Reduction. C) Decarboxylation. D) Regeneration. Show Answer Correct Answer: A) Carboxylation. 2. How does glucose travel in a producer (plant)? Name the structure. A) Phloem. B) Stomata. C) Xylem. D) Chlorophyll. Show Answer Correct Answer: A) Phloem. 3. The co-enzyme which acts as hydrogen acceptor during light-reaction is ..... [MHT CET 2018] A) NADP. B) COQ. C) FAD. D) PQ. Show Answer Correct Answer: A) NADP. 4. Photosynthesis and respiration have which of the following in common? A) In eukaryotes, both processes occur in specialised organelles. B) ATP synthesis in both processes relies on chemiosmotic mechanism. C) Both use electron transport. D) All of the above. Show Answer Correct Answer: D) All of the above. 5. In light dependent reactions ADP+P becomes A) ADP+P. B) NADP+. C) ATP. D) NADPH. Show Answer Correct Answer: C) ATP. 6. Phosphorylation occurs in- A) Mitochondria. B) Chloroplast. C) Both a and b. D) Cell wall. Show Answer Correct Answer: C) Both a and b. 7. Match the parts given in column I with the events given in column II and choose the correct combination from the options given below. Column-I Column-II A. Grana of chloroplast I. Kreb's cycle B. Stroma of chloroplast II. Light reaction C. Cytoplasm III. Dark reaction D. Mitochondrial matrix IV. Glycolysis A) A-IV; B-I; C-III, D-II. B) A-II; B-III; C-IV, D-I. C) A-IV; B-III; C-II, D-I. D) A-I; B-II; C-IV, D-III. Show Answer Correct Answer: B) A-II; B-III; C-IV, D-I. 8. Which carries water and minerals from roots to other parts of the plant? A) Stoma. B) Guard cell. C) Phloem. D) Xylem. Show Answer Correct Answer: D) Xylem. 9. What is actually the role of sun light in photosynthesis? A) Help to produce sugar. B) It has no vital role. C) Increase transpiration. D) Help to produce Oxygen. Show Answer Correct Answer: D) Help to produce Oxygen. 10. In Hatch and Slack pathway, the primary CO$_{2 }$acceptor is A) Rubisco. B) Phosphoenol pyruvate. C) Phosphoglyceric acid. D) Oxaloacetic acid. Show Answer Correct Answer: B) Phosphoenol pyruvate. 11. Assertion:The first product of CO2 fixation in C3 pathway is OAA.Reason:The first product of CO2 fixation in C4 pathway in PGA. A) Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion. B) Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion. C) Assertion is true but Reason is false. D) Both Assertion and Reason are false. Show Answer Correct Answer: D) Both Assertion and Reason are false. 12. The chlorophyll that is olive green in its pure state is A) Chlorophyll c. B) Chlorophyll b. C) Chlorophyll d. D) Chlorophyll a. Show Answer Correct Answer: B) Chlorophyll b. 13. Why are plants usually green? A) Because the accessory pigments combine to make green. B) Because the chlorophyll reflects green light. C) Because the chlorophyll absorbs green light. D) Because the accessory pigments only absorb green light. Show Answer Correct Answer: B) Because the chlorophyll reflects green light. 14. How is reliability increased in the investigation we just conducted? A) Include a control treatment. B) More accurate instruments to measure bubble rate. C) More trials. D) Control more variables. Show Answer Correct Answer: C) More trials. 15. What organ transports sugar throughout the plant A) Guard cells. B) Stomata. C) Phloem. D) Cambium. Show Answer Correct Answer: C) Phloem. 16. According to the text, what replaces the electrons lost from Photosystem II? A) Electrons from the splitting of water. B) Electrons from ATP. C) Electrons from NADPH. D) Electrons from Photosystem I. Show Answer Correct Answer: A) Electrons from the splitting of water. 17. People take in and release gases from the air when they breathe. Which exhaled gas is a waste product of respiration? A) Helium. B) Oxygen. C) Hydrogen. D) Carbon dioxide. Show Answer Correct Answer: D) Carbon dioxide. 18. Leaf pigments, (Chl a, Chl b, Xanthophyll and carotene) can be separated by- A) X-ray diffusion. B) Paper chromatography. C) ELISA test. D) Electrophoresis. Show Answer Correct Answer: B) Paper chromatography. 19. What is the main function of the membrane system within the chloroplast? A) To store water. B) To trap light energy and synthesize ATP and NADPH. C) To transport minerals. D) To provide structural support. Show Answer Correct Answer: B) To trap light energy and synthesize ATP and NADPH. 20. Which of the following go through the process of photosynthesis? A) Mushrooms. B) Algae. C) Bees. D) Humans. Show Answer Correct Answer: B) Algae. 21. Why are the absorption spectrum of Chl a and the action spectrum of photosynthesis are identical? A) Chl a absorbs both red and blue light maximumly. B) Chl a reflects blue light. C) Accessory pigments contribute energy to drive photosynthesis. D) Different wave lengths of light have different energy. Show Answer Correct Answer: A) Chl a absorbs both red and blue light maximumly. 22. Photosynthesis is a biological process that occurs in autotrophs. Which of the following is produced as a result of photosynthesis? A) Water and light. B) Glucose and chlorophyll. C) Glucose and oxygen. D) Carbon dioxide and water. Show Answer Correct Answer: C) Glucose and oxygen. 23. Which of the following can be compared to a battery in need of recharging? (empty wallet) A) Ribose. B) ADP. C) ATP. D) Adenosine. Show Answer Correct Answer: B) ADP. 24. Splitting of water is associated with A) Photosystem I. B) Lumen of thylakoid. C) Both photosystem I and Ii. D) Inner surface of thylakoid membrane. Show Answer Correct Answer: D) Inner surface of thylakoid membrane. 25. The biochemical objective of PS I is to A) Oxidase NADPH. B) Phosphorylate AdP. C) Reduce NADP+. D) Hydrolyse ATP. Show Answer Correct Answer: C) Reduce NADP+. 26. What does "PSII splits water" mean? A) Water is broken into monomers. B) A condensation reaction occurs. C) Water is reduced to yield hydrogen gas. D) Water is oxidised to yield protons, electrons and oxygen. Show Answer Correct Answer: D) Water is oxidised to yield protons, electrons and oxygen. 27. Plants need the following: A) Air, water, space, sunlight. B) Air, water, oxygen, space. C) All the above. D) None of the above. Show Answer Correct Answer: A) Air, water, space, sunlight. 28. Which factor does not affect the rate of photosynthesis? A) Light intensity. B) Carbon dioxide concentration. C) Sound. D) Temperature. Show Answer Correct Answer: C) Sound. 29. Which one of the following is a C4 plant? A) Potato. B) Maize. C) Papaya. D) Pea. Show Answer Correct Answer: B) Maize. 30. Too much light beyond a certain limit destroys ..... A) Respiration. B) Photosynthesis. C) Chloroplast. D) Chlorophyll. Show Answer Correct Answer: D) Chlorophyll. 31. The process of photosynthesis in C4 plants involves A) Physically separates carbon fixation and the Calvin cycle in different cells. B) Converting carbon dioxide into organic acids at night time to be used during the day. C) Photorespiration occurs when Oxygen levels are high. D) The light dependent and independent reactions occurring in different cells. Show Answer Correct Answer: A) Physically separates carbon fixation and the Calvin cycle in different cells. 32. 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. 33. 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. 34. How many carbon atoms are in RuBP? A) 4. B) 2. C) 3. D) 5. Show Answer Correct Answer: D) 5. 35. 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+. 36. 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 soil quality. C) Temperature affects the water absorption. D) Temperature affects the rate of enzyme activity. Show Answer Correct Answer: D) Temperature affects the rate of enzyme activity. 37. 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. 38. Photosynthesis equation: A) H$_{2}$O + O$_{2}$ $\rightarrow$ C$_{6}$H$_{12}$O$_{6 }$+ CO$_{2 }$. B) CO$_{2 }$+ H$_{2}$O $\rightarrow$ C$_{6}$H$_{12}$O$_{6 }$+ O$_{2}$. C) 6CO$_{2 }$+ 6H$_{2}$O $\rightarrow$ C$_{6}$H$_{12}$O$_{6 }$+ 6O$_{2}$. D) 6H$_{2}$O + 6O$_{2}$ $\rightarrow$ 6C$_{6}$H$_{12}$O$_{6 }$+ 6CO$_{2 }$. Show Answer Correct Answer: C) 6CO$_{2 }$+ 6H$_{2}$O $\rightarrow$ C$_{6}$H$_{12}$O$_{6 }$+ 6O$_{2}$. 39. 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. 40. Which of the following statement is incorrect regarding pigments? A) Pigments are substances that have an ability to absorb light, at specific wavelengths. B) Accessory pigments protect chlorophyll a from photo-oxidation. C) Leaf pigments can be separated by chromatography. D) Chlorophyll b is the chief pigment associated with photosynthesis. Show Answer Correct Answer: D) Chlorophyll b is the chief pigment associated with photosynthesis. 41. Which of the following carry out photosynthesis? A) Red algae. B) Humans. C) Bees. D) Mushrooms. Show Answer Correct Answer: A) Red algae. 42. The waxy, waterproof layer that covers most leaves is called the what? A) Spore. B) Seed coat. C) Cuticle. D) Xylem. Show Answer Correct Answer: C) Cuticle. 43. The enzyme rubisco is found in- A) Nucleus. B) Chloroplast. C) Mitochondria. D) Cytoplasm. Show Answer Correct Answer: B) Chloroplast. 44. 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. 45. 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. 46. What is the role of RuBisCO in the Calvin pathway? A) It synthesizes NADPH. B) It combines RuBP with O2 to form sugars. C) It breaks down ATP to release energy. D) It combines RuBP with CO2 to form 2 molecules of 3PGA. Show Answer Correct Answer: D) It combines RuBP with CO2 to form 2 molecules of 3PGA. 47. 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. 48. Which type of energy conversion occurs during the process of photosynthesis? A) Thermal energy is converted into chemical energy. B) Chemical energy is converted into radiant energy. C) Radiant energy is converted into thermal energy. D) Radiant energy is converted into chemical energy. Show Answer Correct Answer: D) Radiant energy is converted into chemical energy. 49. What is the function of the enzyme phosphoglycerate kinase in the Calvin cycle? A) To regenerate RuBP. B) To convert 3PGA into G3P. C) To produce ATP. D) To fix carbon dioxide. Show Answer Correct Answer: B) To convert 3PGA into G3P. 50. Ferredoxin is a component of A) Photosystem II. B) Hill reaction. C) Photosystem I. D) P 680. Show Answer Correct Answer: C) Photosystem I. 51. In which part of the chloroplast do the light-dependent reactions take place? A) Inner membrane. B) Stroma. C) Outer membrane. D) Thylakoid membrane. Show Answer Correct Answer: D) Thylakoid membrane. 52. Which process is the opposite of photosynthesis? A) Fermentation. B) Glycolysis. C) Cellular Respiration. D) Transpiration. Show Answer Correct Answer: C) Cellular Respiration. 53. Which gas is absorbed by plants during photosynthesis? A) Nitrogen. B) Oxygen. C) Hydrogen. D) Carbon Dioxide. Show Answer Correct Answer: D) Carbon Dioxide. 54. 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. 55. Which of the leaf cells contains chloroplast? A) Phloem. B) Cortical cells. C) Epidermis cells. D) Mesophyll cells. Show Answer Correct Answer: D) Mesophyll cells. 56. What was the independent variable in this investigation? A) Temperature. B) Time. C) Number of bubbles produced. D) Light Intensity. Show Answer Correct Answer: D) Light Intensity. 57. Why is photosynthesis important for life on Earth? A) Photosynthesis consumes oxygen and releases carbon dioxide. B) Photosynthesis occurs only at night. C) Photosynthesis is only important for aquatic life. D) Photosynthesis is crucial for life on Earth as it produces oxygen and is the foundation of the food chain. Show Answer Correct Answer: D) Photosynthesis is crucial for life on Earth as it produces oxygen and is the foundation of the food chain. 58. Which mineral ion is needed by a plant in order to build chlorophyll? A) Phosphorous. B) Calcium. C) Nitrates. D) Magnesium. Show Answer Correct Answer: D) Magnesium. 59. Which of the following methods can be used to measure the rate of photosynthesis in a plant? A) Counting the number of leaves. B) Observing the color of the plant. C) Measuring the height of the plant. D) Measuring the amount of oxygen produced. Show Answer Correct Answer: D) Measuring the amount of oxygen produced. 60. Assertion:Photorespiration is a wasteful process.Reason:In photorespiratory pathway, there is no synthesis of sugars or ATP. A) Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion. B) Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion. C) Assertion is true but Reason is false. D) Both Assertion and Reason are false. Show Answer Correct Answer: A) Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books