This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 13 Photosynthesis In Higher Plants – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are the 2 reactants of photosynthesis? A) Oxygen, glucose. B) Oxygen, water. C) Water, glucose. D) Carbon dioxide, water. Show Answer Correct Answer: D) Carbon dioxide, water. 2. What is the primary gas released during photosynthesis? A) Carbon dioxide. B) Nitrogen. C) Oxygen. D) Hydrogen. Show Answer Correct Answer: C) Oxygen. 3. What causes plants to appear green? A) Chlorophyll. B) Carotenoids. C) Golgi Bodies. D) Cell Membrane. Show Answer Correct Answer: A) Chlorophyll. 4. What is the main purpose of photosynthesis in plants? A) To produce oxygen for humans. B) To convert solar energy into chemical energy. C) To absorb carbon dioxide from the atmosphere. D) To produce water for the plant. Show Answer Correct Answer: B) To convert solar energy into chemical energy. 5. What molecule absorbs sunlight during photosynthesis? A) Epidermis. B) Thylakoid. C) The leaf. D) Chlorophyll. Show Answer Correct Answer: D) Chlorophyll. 6. If carbon dioxide is completely removed from a plant's environment, what would you expect to happen to the plant's production of high-energy sugars (rate of photosynthesis)? A) Sugar production will likely increase. B) Sugars will not be produced. C) The rate of sugar production will decrease . D) Fewer sugars will be produced at first, but then the plant will recover. Show Answer Correct Answer: B) Sugars will not be produced. 7. What is the main pigment in plants? A) Carton. B) Carotonoids. C) Chloroplast. D) Chlorophyll. Show Answer Correct Answer: D) Chlorophyll. 8. An external source of electrons is not required in A) Cyclic photophosphorylation. B) Non-cyclic photophosphorylation. C) Z-scheme of flow of electrons. D) All of these. Show Answer Correct Answer: A) Cyclic photophosphorylation. 9. What kind of energy is necessary to initiate the process of photosynthesis? A) Radiant. B) Heat. C) Electrical. D) Wind. Show Answer Correct Answer: A) Radiant. 10. CAM plants keep stomata closed in daytime, thus reducing loss of water. They can do this because they A) Fix CO$_{2}$ into organic acids during the night. B) Fix CO$_{2}$ into sugars in the bundle-sheath cells. C) Fix CO$_{2}$ into pyruvate in the mesophyll cells. D) Use photosystem I and photosystem II at night. Show Answer Correct Answer: A) Fix CO$_{2}$ into organic acids during the night. 11. Mesophyll cells are abundantly present on ..... surface of the leaf A) Upper. B) Lower. C) All the above. D) None of the above. Show Answer Correct Answer: A) Upper. 12. Which chlorophyll pigment is more soluble in organic solvents such as petroleum, ether & which is more in 92% methanol? A) Chlorophyll b, chlorophyll a respectively. B) Chlorophyll a, chlorophyll b respectively. C) Both chlorophylls have equal solubility in them. D) None of the above. Show Answer Correct Answer: B) Chlorophyll a, chlorophyll b respectively. 13. Which areas of the leaf should go black with iodine? A) Green bits. B) White bits. C) Both. D) Neither. Show Answer Correct Answer: A) Green bits. 14. All plants are divided first into what 2 major categories? A) Vascular or non-vascular. B) Seed or seedless. C) Angiosperms or gymnosperms. D) Land or aquatic. Show Answer Correct Answer: A) Vascular or non-vascular. 15. The phytol tail anchors the porphyrin ring to the ..... part of thylakoid membrane A) Protein. B) Lipids. C) Both of the above. D) None of the above. Show Answer Correct Answer: B) Lipids. 16. Which of the following is NOT the product of light reaction of photosynthesis? [NEET (UG) 2018] A) NADPH. B) NADH. C) ATP. D) Oxygen. Show Answer Correct Answer: B) NADH. 17. Select incorrect statement. A) Chlorophyll a undergoes oxidation. B) Action spectra is greater in blue and red light. C) Chlorophyll a and b are chief pigments associated with photosynthesis. D) PS II is involved in evolution of O$_{2}$. Show Answer Correct Answer: C) Chlorophyll a and b are chief pigments associated with photosynthesis. 18. What part of the plant soaks up water for photosynthesis? A) Roots. B) Petals. C) Leaf. D) Stem. Show Answer Correct Answer: A) Roots. 19. What are the two main stages of photosynthesis? A) Chlorophyll activation and glucose production. B) Light-dependent reactions and light-independent reactions (Calvin cycle). C) Photosynthesis and respiration. D) Light absorption and energy storage. Show Answer Correct Answer: B) Light-dependent reactions and light-independent reactions (Calvin cycle). 20. Why do C4 plants have greater productivity of biomass compared to C3 plants? A) They lack a process called photorespiration. B) They use less sunlight. C) They have smaller leaves. D) They require less water. Show Answer Correct Answer: A) They lack a process called photorespiration. 21. Which enzyme can fix both CO2 and O2? A) PEP Carboxylase. B) RuBisCo. C) Phosphoenolpyruvate. D) RuBP. Show Answer Correct Answer: B) RuBisCo. 22. What are the main reactants in the photosynthesis equation? A) Carbon dioxide and water. B) Hydrogen and methane. C) Nitrogen and sulfur. D) Oxygen and glucose. Show Answer Correct Answer: A) Carbon dioxide and water. 23. What part of the plant absorbs water for photosynthesis? A) Leaves absorb water from the air. B) Stems absorb water from the soil. C) Roots absorb water from the soil. D) Flowers absorb water from the ground. Show Answer Correct Answer: C) Roots absorb water from the soil. 24. Fo part of ATPase forms a transmembrane channel that carries out A) Active diffusion of protons. B) Active diffusion of ATP. C) Facilitated diffusion of H+. D) Facilitated diffusion of H+ and e-. Show Answer Correct Answer: C) Facilitated diffusion of H+. 25. Which pigment is water soluble? A) Chlorophyll. B) Carotene. C) Anthocyanin. D) Xanthophyll. Show Answer Correct Answer: C) Anthocyanin. ← 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 9Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 10Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books