This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > 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 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. For a seed to develop into a new plant it needs all of the following EXCEPT A) Light. B) Nutrients. C) Oxygen. D) Water. Show Answer Correct Answer: C) Oxygen. 2. Most plants appear green because chlorophyll A) Absorbs green light. B) Reflects green light. C) Absorbs violet light. D) Does not absorb violet light. Show Answer Correct Answer: B) Reflects green light. 3. Where does the plant get its energy from? A) Sun. B) Plants. C) Animals. D) Phytoplankton. Show Answer Correct Answer: A) Sun. 4. Which statement best explains why cellular respiration in plants and other organisms is dependent on photosynthesis? A) Photosynthesis is one of the final steps in cellular respiration. B) Photosynthesis provides the materials that fuel cellular respiration. C) Photosynthesis absorbs materials that are catalyzed during cellular respiration. D) Photosynthesis absorbs excess energy produced by cellular respiration. Show Answer Correct Answer: B) Photosynthesis provides the materials that fuel cellular respiration. 5. In phototropism, what would be the stimulus? A) Gravity. B) Touch. C) Water. D) Sunlight. Show Answer Correct Answer: D) Sunlight. 6. In what part of a plant does the process of photosynthesis occur? A) Leaves. B) Roots. C) Flower. D) Xylem. Show Answer Correct Answer: A) Leaves. 7. Energy from ..... helps with the process of photosynthesis. A) The Sun. B) Water. C) Food. D) The ground. Show Answer Correct Answer: A) The Sun. 8. ..... showed that sunlight is essential to the plant process that somehow purifies the air fouled by burning candles or breathing animals as demonstrated in the experiment conducted by Joseph Priestley. A) T.W Engelmann. B) Jan Ingenhousz. C) Julius von Sachs. D) Blackmann. Show Answer Correct Answer: B) Jan Ingenhousz. 9. Why do plants need air to grow? A) Plants must anchor themselves. B) Plants use carbon dioxide to make food. C) Plants cannot keep cool on their own. D) Plants need heat to release their energy. Show Answer Correct Answer: B) Plants use carbon dioxide to make food. 10. Vascular system is also known as ..... A) Respiratory system. B) Transport system. C) Organ system. D) None of the above. Show Answer Correct Answer: B) Transport system. 11. Anoxygenic and oxygenic photosynthesis are respectively shown by A) Green algae and red algae. B) Red algae and monocots. C) Pigmented sulphur bacteria &cyanobacteria. D) BGA and higher plants. Show Answer Correct Answer: C) Pigmented sulphur bacteria &cyanobacteria. 12. At what concentration does carbon dioxide become potentially damaging to plants over longer periods? A) 0.04 percent. B) 0.03 percent. C) 0.05 percent. D) 0.01 percent. Show Answer Correct Answer: C) 0.05 percent. 13. Which statement about photosynthesis is false? A) In green plants PSI and PSII are required for the synthesis of NADPH + H$^{+}$. B) Photosynthesis is a redox process; H2O is oxidised, CO$_{2}$ is reduced. C) Photosynthesis is a physio-chemical process. D) None. Show Answer Correct Answer: D) None. 14. In which part of the plant does the majority of photosynthesis occur? A) Flowers. B) Roots. C) Leaves. D) Stem. Show Answer Correct Answer: C) Leaves. 15. Photosystem I (PS I) and photosystem II (PSII) are named- A) In the sequence of e transfer. B) In the sequence in which they function during light reaction. C) In the sequence of their discovery. D) In the sequence of their positions. Show Answer Correct Answer: C) In the sequence of their discovery. 16. What is not a source of error in the investigation we just conducted? A) The counting of the bubble rate. B) The setting of the light intensity. C) The calculation of the average rate over a minute. D) The setting of the distance. Show Answer Correct Answer: A) The counting of the bubble rate. 17. Oxygen is not produced during photosynthesis by A) Cycas. B) Green sulphur bacteria. C) Nostoc. D) Chara. Show Answer Correct Answer: B) Green sulphur bacteria. 18. Which one is not an accessory photosynthetic pigment? A) Carotene. B) Chl b. C) Xanthophyll. D) Chl a. Show Answer Correct Answer: D) Chl a. 19. What are the main stages of the light-independent reactions? A) Light absorption, electron transport, and ATP synthesis. B) NADPH production, oxygen release, and glucose formation. C) Chlorophyll activation, water splitting, and carbon release. D) The main stages are carbon fixation, reduction phase, and regeneration of RuBP. Show Answer Correct Answer: D) The main stages are carbon fixation, reduction phase, and regeneration of RuBP. 20. Because of properties of chlorophyll, plants need adequate ..... light to grow properly- A) Green. B) Blue and red. C) Infrared. D) Ultraviolet. Show Answer Correct Answer: B) Blue and red. 21. The porphyrin ring is composed of A) 4 Pyrrole rings. B) 4 Toluene rings. C) 4 Phenol rings. D) 4 Aniline rings. Show Answer Correct Answer: A) 4 Pyrrole rings. 22. Which of the following is produced during the process of cellular respiration? A) Sugar. B) Carbon dioxide. C) Oxygen. D) Sodium chloride. Show Answer Correct Answer: B) Carbon dioxide. 23. How does light intensity affect photosynthesis? A) Light intensity has no effect on photosynthesis. B) Photosynthesis only occurs in the absence of light. C) Higher light intensity always leads to higher rates of photosynthesis without limits. D) Increased light intensity boosts the rate of photosynthesis up to a certain point, beyond which it plateaus. Show Answer Correct Answer: D) Increased light intensity boosts the rate of photosynthesis up to a certain point, beyond which it plateaus. 24. Photosynthesis worded equation A) Carbon dioxide + water in the presence of sunlight and chlorophyll = glucose + oxygen. B) Water + oxygen in the presence of sunlight and chlorophyll = glucose + carbon dioxide. C) Carbon dioxide + water in the presence of sunlight = glucose + oxygen. D) Water + oxygen in the presence of chlorophyll = glucose + carbon dioxide. Show Answer Correct Answer: A) Carbon dioxide + water in the presence of sunlight and chlorophyll = glucose + oxygen. 25. Which enzyme is responsible for the regeneration of RuBP in the Calvin cycle? A) Fructose bisphosphate aldolase. B) Ribulose bisphosphate carboxylase/oxygenase (RuBisCO). C) Glyceraldehyde-3-phosphate dehydrogenase. D) Phosphoglycerate kinase. Show Answer Correct Answer: B) Ribulose bisphosphate carboxylase/oxygenase (RuBisCO). 26. Which process occurs in the stroma of chloroplasts? A) Calvin cycle. B) Photolysis of water. C) Electron transport chain. D) Light-dependent reactions. Show Answer Correct Answer: A) Calvin cycle. 27. Which of the following outputs of the light dependent reactions of photosynthesis are used in the Calvin cycle? A) CO2 and glucose. B) H2O and O2. C) Electrons and H+. D) ATP and NADPH. Show Answer Correct Answer: D) ATP and NADPH. 28. Any organism that cannot make its own food and gets its energy from eating other organisms is called a ..... A) Heterotroph. B) Consumer. C) Autotroph. D) Decomposer. Show Answer Correct Answer: A) Heterotroph. 29. Who proved that O2 comes from water, not from CO2 in photosynthesis? It was based on the experiment of photosynthesis in purple and green bacteria. A) Arnon. B) Englemann. C) Van Neil. D) Arnold. Show Answer Correct Answer: C) Van Neil. 30. Which organelle performs PHOTOSYNTHESIS? A) Chloroplast. B) Mitochondria. C) All the above. D) None of the above. Show Answer Correct Answer: A) Chloroplast. 31. Photochemical phase of photosynthesis includes ..... A) Light absorption. B) Water splitting. C) Oxygen release. D) All the above. Show Answer Correct Answer: D) All the above. 32. These are the substances needed in photosynthesis, EXCEPT? A) CO$_{2}$. B) Minerals. C) C$_{6}$H$_{12}$O$_{6}$. D) H$_{2}$O. Show Answer Correct Answer: C) C$_{6}$H$_{12}$O$_{6}$. 33. Which of the following is a direct product of photosynthesis? A) Nitrogen. B) Glucose. C) Water. D) Carbon dioxide. Show Answer Correct Answer: B) Glucose. 34. For NADPH + H$^{+}$ formation- A) Only PSI is needed. B) Only PSII is needed. C) Both PSI and PSII are needed. D) Only stroma is needed. Show Answer Correct Answer: C) Both PSI and PSII are needed. 35. What is the energy molecule for all living cells? A) Sugars. B) ATP. C) ADP. D) Protein. Show Answer Correct Answer: B) ATP. 36. In photosynthesis, food is synthesised . A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 37. Chlorophyll has a ..... like configuration A) Fish. B) Earthworm. C) Frog. D) Tadpole. Show Answer Correct Answer: D) Tadpole. 38. During photosynthesis, energy is stored in the form of- A) Water. B) Carbon Dioxide. C) Oxygen. D) Glucose. Show Answer Correct Answer: D) Glucose. 39. In which eukaryotic organelles does photosynthesis occur? A) Stomata. B) Chloroplast. C) Mitochondria. D) Xylem. Show Answer Correct Answer: B) Chloroplast. 40. In an experiment, a plant is placed under a green light. What is the expected outcome on the rate of photosynthesis? A) Decreased rate of photosynthesis. B) Photosynthesis stops completely. C) No change in the rate of photosynthesis. D) Increased rate of photosynthesis. Show Answer Correct Answer: A) Decreased rate of photosynthesis. 41. Which layer in the atmosphere protects us form harmful UV radiation? A) Ionosphere. B) Exosphere. C) Troposphere. D) Ozone. Show Answer Correct Answer: D) Ozone. 42. What are the major requirements for photosynthesis? A) Water. B) Sunlight. C) Carbon dioxide. D) All of the above. Show Answer Correct Answer: D) All of the above. 43. Openings at the bottom of a leaf A) Stoma. B) Guard Cells. C) Filament. D) None of the above. Show Answer Correct Answer: A) Stoma. 44. The red colour of chillies & tomato is due to pigment A) Lycopene. B) Chlorophyll. C) Zeaxanthin. D) Lutien. Show Answer Correct Answer: A) Lycopene. 45. Who discovered the role of light and green parts of the plants in purifying the noxious air- A) Sachs. B) Jan Ingenhousz. C) Von Mayr. D) De saussure. Show Answer Correct Answer: B) Jan Ingenhousz. 46. What is the impact of carbon dioxide concentration on photosynthesis? A) Higher carbon dioxide concentration enhances the rate of photosynthesis. B) Lower carbon dioxide concentration enhances the rate of photosynthesis. C) Carbon dioxide concentration has no effect on photosynthesis. D) Higher carbon dioxide concentration reduces the rate of photosynthesis. Show Answer Correct Answer: A) Higher carbon dioxide concentration enhances the rate of photosynthesis. 47. What is in plants' leaves that makes the glucose for the plant? A) Water. B) Chlorophyll. C) Stomata. D) Oxygen. Show Answer Correct Answer: B) Chlorophyll. 48. What are the openings in the leaves called? A) Chloroplasts. B) Doorlets. C) Windows. D) Stomata. Show Answer Correct Answer: D) Stomata. 49. Which of the following is directly associated with Photosystem I? A) Receiving electrons from the thylakoid membrane ETC. B) Extraction of hydrogen electrons from the splitting of water. C) Harvesting light energy to make ATP. D) Generation of molecular oxygen. Show Answer Correct Answer: A) Receiving electrons from the thylakoid membrane ETC. 50. What is the overall equation for photosynthesis? A) 6CO2 + 6H2O + light energy $\rightarrow$ C6H12O6 + 6O2. B) C6H12O6 + 6O2 $\rightarrow$ 6CO2 + 6H2O + light energy. C) 6O2 + 6H2O + light energy $\rightarrow$ C6H12O6 + 6CO2. D) 6CO2 + 6H2O $\rightarrow$ C6H12O6 + 6O2 + heat. Show Answer Correct Answer: A) 6CO2 + 6H2O + light energy $\rightarrow$ C6H12O6 + 6O2. 51. Shane is studying rates of photosynthesis in cells, what organelle would he expect to find more of in a cell conducting higher rates of photosynthesis? A) Ribosomes. B) Mitochondria. C) Nucleus. D) Chloroplast. Show Answer Correct Answer: D) Chloroplast. 52. In PSI the reaction centre Chl a has absorption maxima at ..... , while in PSII the reaction centre Chl a has absorption maxima at ..... A) 700 nm, 680 nm. B) 680 nm, 700 nm. C) 700 nm, 800 nm. D) 400 nm, 500 nm. Show Answer Correct Answer: A) 700 nm, 680 nm. 53. Where do the enzymatic reactions of the Calvin cycle take place? A) Thylakoid space. B) Thylakoid membranes. C) Matrix of the mitochondria. D) Stroma of the chloroplast. Show Answer Correct Answer: D) Stroma of the chloroplast. 54. Which of the following represents the process of photosynthesis? A) 2H2+O2$\rightarrow$2H2O. B) 6CO2+6H2O$\rightarrow$C6H12O6+6O2. C) 2H2O$\rightarrow$2H2+O2. D) C6H12O6+6O2$\rightarrow$6CO2+6H2O. Show Answer Correct Answer: B) 6CO2+6H2O$\rightarrow$C6H12O6+6O2. 55. How do plants impact the increasing greenhouse effect created by the burning of fossil fuels? A) Plants absorb CO2 from the atmosphere, decreasing the effect. B) Plants release CO2 to the atmosphere, increasing the effect. C) Plants have no impact on the greenhouse effect. D) None of the above. Show Answer Correct Answer: A) Plants absorb CO2 from the atmosphere, decreasing the effect. 56. At the highest levels in our atmosphere, the oxygen produced from photosynthesis transforms into A) Magnetic Field. B) Ozone. C) CO2. D) H2O. Show Answer Correct Answer: B) Ozone. 57. A cell in the leaf of a green plant performs both photosynthesis and cellular respiration, often at the same time. Which statement best describes how these processes are related to each other? A) Both processes produce carbon dioxide. B) Both processes require energy directly from the Sun. C) Products of one process are used as some of the reactants for the other process. D) Thermal energy from one process is used as the energy source for the other process. Show Answer Correct Answer: C) Products of one process are used as some of the reactants for the other process. 58. Name the pigment which is converted into vitamin A in animals & humans. A) Beta-carotene. B) Gamma-carotene. C) Chlorophyll a. D) Alpha-carotene. Show Answer Correct Answer: A) Beta-carotene. 59. Photosynthesis occurs in an area of a plant leaf called the A) Glucose. B) Chlorine. C) Carbonator. D) Chloroplasts. Show Answer Correct Answer: D) Chloroplasts. 60. Heterotrophs ..... A) Make their own energy. B) Eat different things for food. C) All the above. D) None of the above. Show Answer Correct Answer: B) Eat different things for food. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books