This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 13 Photosynthesis In Higher Plants – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 22 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which one of the following is incorrect about the activities associated with PS-I and PS-II in non-cyclic photophosphorylation? A) Water is oxidised in PS-II, but not in PS-I. B) Photons (light) are needed to activate both PS-I and PS-II. C) Photolysis of water, formation of ATP + NADPH + H + occur. D) Production of NADPH + H+ is associated with PS II, but not with PS-I. Show Answer Correct Answer: D) Production of NADPH + H+ is associated with PS II, but not with PS-I. 2. Which light range is most effective in photosynthesis? A) Blue. B) Green. C) Red. D) Violet. Show Answer Correct Answer: C) Red. 3. The role of the guard cell is to A) Help control the temperature of the plant. B) Control how much water enters the leaf. C) Control how much glucose is stored. D) Control the movement of water vapour & gases. Show Answer Correct Answer: D) Control the movement of water vapour & gases. 4. TRUE or FALSE:Animals can make their own food inside themselves. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 5. What role do producers play in an ecosystem? A) They consume other organisms for energy. B) They decompose dead organisms. C) They produce oxygen through photosynthesis. D) They provide energy for other organisms through photosynthesis. Show Answer Correct Answer: D) They provide energy for other organisms through photosynthesis. 6. In blue green algae photosynthesis takes place in A) Chloroplast. B) Lamellisome. C) Heterocysts. D) Carotene. Show Answer Correct Answer: B) Lamellisome. 7. Where does the Calvin Cycle occur? A) Thylakoid. B) Stroma. C) Lumen. D) Mitochondria. Show Answer Correct Answer: B) Stroma. 8. The alternative pathways of photosynthesis using the C$_{4}$ or CAM systems are said to be compromises. Why? A) C$_{4}$ compromises on water loss and CAM compromises on photorespiration. B) Both minimize photorespiration but expend more ATP during carbon fixation. C) CAM plants allow more water loss, whereas C$_{4}$ plants allow less CO$_{2}$ into the plant. D) C$_{4}$ plants allow less water loss but CAM plants allow more water loss. Show Answer Correct Answer: B) Both minimize photorespiration but expend more ATP during carbon fixation. 9. What pigment is green in plants? A) Mitochondria. B) Chlorophyll. C) Stomata. D) Stroma. Show Answer Correct Answer: B) Chlorophyll. 10. Which gas is removed from the atmosphere during photosynthesis? A) Hydrogen. B) Oxygen. C) Nitrogen. D) Carbon dioxide. Show Answer Correct Answer: D) Carbon dioxide. 11. Why are plants important to life on Earth? A) They make our world more beautiful. B) They make the planet look green. C) They use carbon dioxide and give us oxygen. D) They provide shade for insects. Show Answer Correct Answer: C) They use carbon dioxide and give us oxygen. 12. What does the "TP" in ATP stand for? A) 2 phosphates. B) Tri (3) phosphates. C) Two proteins. D) Tri (3) proteins. Show Answer Correct Answer: B) Tri (3) phosphates. 13. What is the primary function of chlorophyll in photosynthesis? A) To store energy for later use. B) To release oxygen during photosynthesis. C) The primary function of chlorophyll in photosynthesis is to absorb light energy. D) To provide structural support to the plant. Show Answer Correct Answer: C) The primary function of chlorophyll in photosynthesis is to absorb light energy. 14. What is chlorophyll's main function? A) To make the plant a vegetable. B) To blend into their environment. C) To capture energy from sunlight for photosynthesis. D) To help prevent water loss. Show Answer Correct Answer: C) To capture energy from sunlight for photosynthesis. 15. The enzyme ATPase couples the synthesis of ATP to- A) The diffusion of protons. B) The reduction of NADP$^{+ }$. C) The excitation of Chl. D) Carbon dioxide fixation. Show Answer Correct Answer: A) The diffusion of protons. 16. The chlorophyll having molecular weight 907 is A) Chlorophyll a. B) Chlorophyll b. C) Chlorophyll c. D) Chlorophyll d. Show Answer Correct Answer: B) Chlorophyll b. 17. How do photosynthesis and cellular respiration compare? A) . They both use oxygen to produce carbon dioxide. B) They both use carbon dioxide to produce oxygen. C) Photosynthesis uses oxygen and produces carbon dioxide, while respiration uses carbon dioxide and produces oxygen. D) Photosynthesis uses carbon dioxide and produces oxygen, while respiration uses oxygen and produces carbon dioxide. Show Answer Correct Answer: D) Photosynthesis uses carbon dioxide and produces oxygen, while respiration uses oxygen and produces carbon dioxide. 18. Which among the following sentence is incorrect about light reaction? A) It is also known as 'photochemical' phase. B) It includes light absorption, water splitting, oxygen release, and the formation of highenergy chemical intermediates. C) Reaction centre consist of single molecule of chl a but 2 molecules of chl b. D) The pigments are organised into two discrete photochemical light harvesting complexes (LHC) within PS-I and PS-II. Show Answer Correct Answer: C) Reaction centre consist of single molecule of chl a but 2 molecules of chl b. 19. The former set of reactions in photosynthesis that are directly light driven are called ..... A) Biosynthetic phase. B) Dark reactions. C) Light reactions. D) Synthesis phase. Show Answer Correct Answer: C) Light reactions. 20. Which statement best explains the process of transpiration in plants? A) Oxygen and water vapor are absorbed by roots. B) Oxygen and water vapor are absorbed by leaves. C) Oxygen and water vapor are released from roots. D) Oxygen and water vapor are released from leaves. Show Answer Correct Answer: D) Oxygen and water vapor are released from leaves. 21. Suppose the interior of the thylakoids of isolated chloroplasts were made acidic and then transferred in the dark to a pH 8 solution. What would be likely to happen? A) The isolated chloroplasts will make ATP. B) The Calvin cycle will be activated. C) The isolated chloroplasts will generate oxygen gas. D) The isolated chloroplasts will reduce NADP$^{+}$ to NADPH. Show Answer Correct Answer: A) The isolated chloroplasts will make ATP. 22. Which pigment is primarily responsible for absorbing light during photosynthesis? A) Chlorophyll. B) Carotene. C) Xanthophyll. D) Anthocyanin. Show Answer Correct Answer: A) Chlorophyll. 23. In C$_{4 }$plants$_{ }$the initial$_{ }$reactions to fix CO$_{2}$ occur in the A) Guard cells. B) Epidermal cells. C) Mesophyll cells. D) Bundle-sheath cells. Show Answer Correct Answer: C) Mesophyll cells. 24. A deer consumes most of the leaves on a plant. What is the most immediate effect on the plant? A) The plant's rate of transpiration will increase because there will be more areas exposed to the atmosphere. B) The plant's height will decrease because it will be unable to hold itself upright. C) The plant's ability to take in nutrients through the soil will be increased. D) The plant's ability to make and store food will be limited. Show Answer Correct Answer: D) The plant's ability to make and store food will be limited. 25. What are the factors that affect the rate of photosynthesis? A) Amount of oxygen, pH, temperature and water. B) Amount of oxygen, glucose, temperature and pH. C) Amount of light, CO2, temperature and color. D) Amount of light, water, glucose and oxygen. Show Answer Correct Answer: C) Amount of light, CO2, temperature and color. ← 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