This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 13 Photosynthesis In Higher Plants – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What might it mean if a stem is drooping? A) The plant needs water. B) The plant needs more vitamins. C) The plant is about to lose its leaves. D) The plant is going to turn red. Show Answer Correct Answer: A) The plant needs water. 2. Where in the plant does photosynthesis take place? A) Roots. B) Seeds. C) Flower. D) Leaves. Show Answer Correct Answer: D) Leaves. 3. Describe the role of ATP and NADPH in photosynthesis. A) ATP is a waste product of photosynthesis. B) NADPH is used to absorb sunlight during photosynthesis. C) ATP provides energy, while NADPH provides reducing power in photosynthesis. D) ATP and NADPH are both used to transport oxygen in plants. Show Answer Correct Answer: C) ATP provides energy, while NADPH provides reducing power in photosynthesis. 4. Animals are consumers, meaning they need to eat food for energy because they cannot make their own. Which energy transformation is taking place when an animal eats food so it can keep warm? A) Mechanical to thermal. B) Mechanical to radiant. C) Chemical to thermal. D) Radiant to chemical. Show Answer Correct Answer: C) Chemical to thermal. 5. The chlorophylls usually show A) Phosphorescence. B) Fluoroscence. C) Both. D) None of the above. Show Answer Correct Answer: B) Fluoroscence. 6. How is photosynthesis beneficial to animals? A) Provides animals with energy after animals eat plants. B) Provides oxygen for animals to breathe. C) Removes carbon dioxide from the atmosphere. D) All the options are correct. Show Answer Correct Answer: D) All the options are correct. 7. If a plant receives more carbon dioxide, what happens to the rate of photosynthesis? A) Increases. B) Decreases. C) Stays the same. D) None of the above. Show Answer Correct Answer: A) Increases. 8. Double carboxylation with spatial difference is characteristic of A) Triticum. B) Pisum. C) Saccharum. D) Bryophyllum. Show Answer Correct Answer: C) Saccharum. 9. Who proved that vegetation purifies the air impured by burning of candle- A) Von Mayr. B) De Saussure. C) Sachs. D) Joseph Priestley. Show Answer Correct Answer: D) Joseph Priestley. 10. Why are C$_{4}$ plants able to photosynthesize with no apparent photorespiration? A) They do not participate in the Calvin cycle. B) They use PEP carboxylase to initially fix CO$_{2.}$. C) They are adapted to cold, wet climates. D) They conserve water more efficiently. Show Answer Correct Answer: B) They use PEP carboxylase to initially fix CO$_{2.}$. 11. Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis? A) The light-dependent stage. B) The light-independent stage (The Calvin Cycle). C) The electron transport chain. D) ATP formation. Show Answer Correct Answer: B) The light-independent stage (The Calvin Cycle). 12. The rate of photosynthesis is affected by all of the following except A) The amount of salt. B) The availability of water. C) Light intensity. D) Temperature (enzymes). Show Answer Correct Answer: A) The amount of salt. 13. Photosynthesis can only occur in organism that has? A) Cell wall. B) Chloroplast. C) Vacuole. D) Epiderm. Show Answer Correct Answer: B) Chloroplast. 14. Which action would most likely increase the rate of photosynthesis in a plant? A) Moving the plant to a sunny area. B) Moving the plant to a shaded area. C) Cutting off most of the plant's leaves. D) Removing the soil the plant is growing in. Show Answer Correct Answer: A) Moving the plant to a sunny area. 15. In C$_{2}$ (photorespiration) cycle, RUBISCO utilizes: A) CO$_{2}$. B) O$_{2}$. C) NADPH$_{2}$. D) Inorganic phosphate. Show Answer Correct Answer: B) O$_{2}$. 16. How many carbon atoms does 3-phosphoglyceric acid (PGA) have? A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: B) 3. 17. Which gas leaves a stomata? A) Oxygen. B) Nitrogen. C) Helium. D) Carbon Dioxide. Show Answer Correct Answer: A) Oxygen. 18. Which statement best explains the relationship between consumers and green plants? A) Consumers need the carbon dioxide produced by green plants. B) Green plants need the oxygen produced by consumers. C) Consumers need the sugars produced by green plants. D) Green plants need the sugars produced by consumers. Show Answer Correct Answer: C) Consumers need the sugars produced by green plants. 19. Which of the following events occurs in the light reactions of photosynthesis? A) NADP+ is produced. B) ATP is consumed to yield ADP. C) Carbon dioxide is fixed in organic molecules. D) Light is absorbed and funneled to reaction-center chlorophyll a. Show Answer Correct Answer: D) Light is absorbed and funneled to reaction-center chlorophyll a. 20. In what part of the cell does photosynthesis occur? A) Nucleus. B) Chloroplast. C) Epidermis. D) Vacuole. Show Answer Correct Answer: B) Chloroplast. 21. A scientist observed that during the course of a chemical reaction the number of ATP molecules was reduced. What did the scientist most likely learn from the observation? A) The reaction produced water. B) The reaction consumed water. C) The reaction caused an output of energy. D) The reaction required an input of energy. Show Answer Correct Answer: D) The reaction required an input of energy. 22. What is the compund that plants use to absorb the energy from sunlight? A) Carbon dioxide. B) Chlorophyll. C) Nitrogen. D) H2O. Show Answer Correct Answer: B) Chlorophyll. 23. A student prepares for a five-mile run so she eats a nutritious meal three hours before the run. Which correctly illustrates the transformation of energy from eating the meal to the five mile run? A) Chemical to Thermal. B) Thermal to Mechanic. C) Thermal to Mechanic to Chemical. D) Chemical to Mechanical to Thermal. Show Answer Correct Answer: D) Chemical to Mechanical to Thermal. 24. Why do chloroplasts align themselves along the walls of mesophyll cells? A) To avoid sunlight. B) To get the optimum quantity of incident light. C) To store more water. D) To increase cell size. Show Answer Correct Answer: B) To get the optimum quantity of incident light. 25. What is the primary function of cyclic electron flow? A) To produce additional NADPH. B) To produce additional ATP. C) To produce additional oxygen. D) To produce additional carbon dioxide. Show Answer Correct Answer: B) To produce additional ATP. ← 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