This quiz works best with JavaScript enabled. Home > Class 11 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In stroma- A) Enzymatic reactions incorporate CO$_{2}$ into the plant leading to ATP and NADH$_{2}$ formation. B) Enzymatic reactions incorporate CO2 into plant leading to the synthesis of sugar, which in turn forms starch. C) Light energy is captured to form glucose. D) ATP and NADPH2 are splitted and H$_{2}$O and O$_{2}$ comes out. Show Answer Correct Answer: B) Enzymatic reactions incorporate CO2 into plant leading to the synthesis of sugar, which in turn forms starch. 2. What enzyme fixes CO$_{2}$ in C$_{4}$ and CAM plants? A) ATP synthase. B) RubisCO. C) PEP carboxylase. D) Lactase. Show Answer Correct Answer: C) PEP carboxylase. 3. How do plants obtain energy? A) From the dirt. B) From the stomata. C) From the sunlight. D) None of the above. Show Answer Correct Answer: C) From the sunlight. 4. A green plant is kept in a brightly lighted area for 48 hours. What will most likely occur if the light intensity is reduced slightly during the next 48 hours? A) Photosynthesis will stop completely. B) The rate at which nitrogen is used by the plant will increase. C) The rate at which oxygen is released from the plant will decrease. D) Glucose production inside each plant will increase. Show Answer Correct Answer: C) The rate at which oxygen is released from the plant will decrease. 5. Which one of the following statement is incorrect for carboxylating enzyme in C$_{3}$ plants? A) Bifunctional nature. B) Can bind with CO$_{2}$ only. C) Its old name was carboxydismutase. D) Located in stroma or matrix of chloroplasts. Show Answer Correct Answer: B) Can bind with CO$_{2}$ only. 6. If the amount of carbon dioxide increases within the leaf of the plant, the rate of photosynthesis ..... A) Increases. B) Decreases. C) Stays the same. D) None of the above. Show Answer Correct Answer: A) Increases. 7. What is the role of water in photosynthesis? A) Water provides electrons and hydrogen ions and releases oxygen as a byproduct. B) Water is used to absorb sunlight during photosynthesis. C) Water acts as a nutrient for plant growth during photosynthesis. D) Water helps in the formation of glucose without any byproducts. Show Answer Correct Answer: A) Water provides electrons and hydrogen ions and releases oxygen as a byproduct. 8. How does photosynthesis compare with cellular respiration in plants? A) Photosynthesis requires sunlight, but cellular respiration does not. B) Cellular respiration requires sunlight, but photosynthesis does not. C) Carbon dioxide is released during photosynthesis, while oxygen is released during cellular respiration. D) Oxygen is absorbed during photosynthesis, while carbon dioxide is absorbed during cellular respiration. Show Answer Correct Answer: A) Photosynthesis requires sunlight, but cellular respiration does not. 9. Stroma lamella membrane lacks A) PS I only. B) PS II only. C) PS I & ETS. D) PS II & NADP reductase. Show Answer Correct Answer: D) PS II & NADP reductase. 10. What gives plants power to make their own food? A) The sun. B) Insects. C) The seeds. D) The flower. Show Answer Correct Answer: A) The sun. 11. Which metal ion is constituent of chlorophyll? A) Iron. B) Copper. C) Magnesium. D) Zinc. Show Answer Correct Answer: C) Magnesium. 12. Which of the following is associated with FNR? A) PS I. B) PS II. C) PS associated with oxygen evolving complex. D) More than one. Show Answer Correct Answer: A) PS I. 13. In which part of the plant does photosynthesis primarily occur? A) Stems. B) Flowers. C) Roots. D) Leaves. Show Answer Correct Answer: D) Leaves. 14. Which factor would not increase the production of glucose by photosynthesis in plants? A) Freezing temperatures. B) Extra rainfall. C) Increased carbon dioxide levels. D) Increased sunlight exposure. Show Answer Correct Answer: A) Freezing temperatures. 15. Which one of hte following pigmnet functions as reaction centre in photosynthesis? A) Chlorophyll a. B) Xanthophylls. C) Carotene. D) All the above. Show Answer Correct Answer: A) Chlorophyll a. 16. Photosynthesis occurs in: A) Mitochondria. B) Chloroplasts. C) Humans. D) Animals. Show Answer Correct Answer: B) Chloroplasts. 17. Which of the following was used in half leaf experiment by Mohl? A) NaOH. B) KOH. C) NaCl. D) KCl. Show Answer Correct Answer: B) KOH. 18. What is the primary function of photosynthesis? A) To release oxygen as a waste product. B) To absorb carbon dioxide from the atmosphere. C) The primary function of photosynthesis is to convert light energy into chemical energy in the form of glucose. D) To provide energy for cellular respiration. Show Answer Correct Answer: C) The primary function of photosynthesis is to convert light energy into chemical energy in the form of glucose. 19. An important part of the light reaction that synthesises ATP. It relies on a concentration gradient of protons across the thylakoid membrane A) Primary electron acceptor. B) Electron Transport Chain. C) Chemiosmosis. D) Calvin Cycle. Show Answer Correct Answer: C) Chemiosmosis. 20. Where does the Calvin cycle take place? (pick the most accurate answer) A) Stroma of the chloroplast. B) Thylakoid membrane. C) Bundle sheath cells. D) Mesophyll cells. Show Answer Correct Answer: A) Stroma of the chloroplast. 21. Why does the rate of photosynthesis decrease at high temperatures? A) Enzymes are denatured. B) Enzymes do not have enough kinetic energy. C) All the above. D) None of the above. Show Answer Correct Answer: A) Enzymes are denatured. 22. How are leaves adapted to maximise photosynthesis? A) Thick and small. B) Wide and flat. C) Wide and thick. D) Flat and small. Show Answer Correct Answer: B) Wide and flat. 23. Ferrodoxin (Fd) is a A) Non-heme iron protein. B) Heme iron protein. C) Copper containing protein. D) None of the above. Show Answer Correct Answer: A) Non-heme iron protein. 24. What is a tropism? A) A stimulus that affects plants. B) The way a plant responds to a stimulus. C) The way a plant grows. D) The way a plant dies. Show Answer Correct Answer: B) The way a plant responds to a stimulus. 25. What happens during the light phase of photosynthesis? A) ADP is hydrolysed and NADPH oxidised. B) ADP is phosphorylated and NADP reduced. C) ATP is hydrolysed and NADPH oxidised. D) ATP is hydrolysed and NADP reduced. Show Answer Correct Answer: B) ADP is phosphorylated and NADP reduced. ← 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books