This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 13 Photosynthesis In Higher Plants – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In negative phototropism, which way do roots grow in a plant? A) Towards touch. B) Away from water. C) Away from sunlight. D) Towards gravity. Show Answer Correct Answer: C) Away from sunlight. 2. C4 cycle takes place in A) Wheat. B) Sugarcane. C) Chlorella. D) Barley. Show Answer Correct Answer: B) Sugarcane. 3. Co-enzymes are A) The active site of an enzyme. B) Non-protein molecules that assist in enzyme activity. C) Amino acids that assist in enzyme activity. D) None of the above. Show Answer Correct Answer: B) Non-protein molecules that assist in enzyme activity. 4. Which organ contains small openings that allow for air exchange A) Xylem. B) Phloem. C) Cambium. D) Stomata. Show Answer Correct Answer: D) Stomata. 5. Moll's half-leaf experiment proves that ..... is essential for photosynthesis to take place. A) Chlorophyll. B) CO2. C) Light. D) H2O. Show Answer Correct Answer: B) CO2. 6. The enzyme that is not found in a C3 plant is A) RuBP carboxylase. B) PEP carboxylase. C) NADP reductase. D) ATP Synthase. Show Answer Correct Answer: B) PEP carboxylase. 7. What is the difference between C3 and C4 photosynthesis? A) C4 photosynthesis is more efficient in low light conditions. B) C3 photosynthesis produces oxygen while C4 does not. C) C3 photosynthesis occurs only in aquatic plants. D) C3 photosynthesis fixes CO2 into a 3-carbon compound, while C4 photosynthesis fixes CO2 into a 4-carbon compound. Show Answer Correct Answer: D) C3 photosynthesis fixes CO2 into a 3-carbon compound, while C4 photosynthesis fixes CO2 into a 4-carbon compound. 8. What leaf structure prevents water loss? A) Spongy mesophyll. B) Cuticle. C) Stoma. D) Phloem. Show Answer Correct Answer: B) Cuticle. 9. What is the significance of the Calvin Cycle in photosynthesis? A) It captures light energy. B) It splits water molecules. C) It converts carbon dioxide into glucose. D) It releases oxygen. Show Answer Correct Answer: C) It converts carbon dioxide into glucose. 10. What is the function of stomata in photosynthesis? A) To absorb sunlight for photosynthesis. B) To allow the exchange of gases, including the intake of carbon dioxide and release of oxygen. C) To store water for the plant. D) To provide structural support to the leaves. Show Answer Correct Answer: B) To allow the exchange of gases, including the intake of carbon dioxide and release of oxygen. 11. . Who used prism, green alga Cladophora and aerobic bacteria and plotted the first action spectrum for photosynthesis? A) Sachs. B) Arnon. C) Arnold. D) Engelmann. Show Answer Correct Answer: D) Engelmann. 12. The membranous system of grana is responsible for- A) Trapping light energy but not ATP and NADPH2 formation. B) Trapping light energy and also for fixation of CO$_{2}$. C) For ATP and NADPH$_{2}$ formation but not for light trapping. D) For light capturing and also for NADPH$_{2}$ and ATP formation. Show Answer Correct Answer: D) For light capturing and also for NADPH$_{2}$ and ATP formation. 13. What is produced in the leaves of the plant? A) Oxygen and water. B) Carbon dioxide only. C) Glucose and oxygen. D) Oxygen only. Show Answer Correct Answer: C) Glucose and oxygen. 14. Which statement about photosynthesis is correct? A) Plants get the energy they need for photosynthesis from water. B) Plants get the energy they need for photosynthesis from soil. C) Plants get the energy they need for photosynthesis from sunlight. D) Plants do not require energy to perform photosynthesis. Show Answer Correct Answer: C) Plants get the energy they need for photosynthesis from sunlight. 15. What are moss plants produced from? A) Seeds. B) Spores. C) Cones. D) Spruce. Show Answer Correct Answer: B) Spores. 16. Can photosynthesis occur with only carbon dioxide and sunlight? (No Water)? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 17. In which part of the plant does photosynthesis mainly occur? A) Roots. B) Stem. C) Leaves. D) Flowers. Show Answer Correct Answer: C) Leaves. 18. Which helped in confirming that oxygen evolved in photosynthesis comes from water A) H$_{2}$ $^{18}$O. B) $^{14}$CO$^{2}$. C) $^{15}$NO$_{3}$. D) $^{3}$H$_{2}$O. Show Answer Correct Answer: A) H$_{2}$ $^{18}$O. 19. Rubisco is important in which step of photosynthesis A) Energizing the electrons in chlorophyll in order to activate NAD+. B) Carbon fixation when CO2 is bound to RUBP during the Calvin cycle. C) Regeneration phase as RUBP is made during the Calvin cycle. D) Reduction of the carbon chain during the Calvin cycle. Show Answer Correct Answer: B) Carbon fixation when CO2 is bound to RUBP during the Calvin cycle. 20. In which of the following phosphorylation in absent: A) Glycolysis. B) Kreb cycle. C) C$_{4}$ cycle. D) ETS. Show Answer Correct Answer: C) C$_{4}$ cycle. 21. Minimum photosynthesis takes place in A) Green light. B) Red light. C) Blue light. D) White light. Show Answer Correct Answer: A) Green light. 22. The structure that are formed by stacking of organized flattened membranous sacs in chloroplast are:[ AIPMT 2015 ] A) Grana. B) Stroma lamellae. C) Stroma. D) Cristae. Show Answer Correct Answer: A) Grana. 23. Which plant structures are responsible for capturing sunlight for photosynthesis? A) Chloroplasts. B) Roots. C) Stems. D) Stomata. Show Answer Correct Answer: A) Chloroplasts. 24. Suppose you transplant a sun plant to a shaded forest floor that receives about 100 $\mu mol\\frac{photons}{\frac{m^2}{s}}$ A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 25. When oxygen is released as a result of photosynthesis, it is a direct by-product of A) Reducing NADP+. B) Splitting water molecules. C) Chemiosmosis. D) Electron transfer in photosystem II and I. Show Answer Correct Answer: B) Splitting water molecules. ← 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 10Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books