This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 13 Photosynthesis In Higher Plants – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What do the light reactions produce? A) NADPH, H$_{}$$_{2}$O, ATP. B) H$_{2}$O, O$_{2}$, Glucose$_{}$. C) NADP$^{+}$, ADP + P, O$_{2}$. D) ATP, NADPH, O$_{2}$. Show Answer Correct Answer: D) ATP, NADPH, O$_{2}$. 2. In Z-scheme of electron transport, water splitting complex supplies electrons to [TS EAMCET 2017] A) Photosystem I. B) Plastoquinone. C) Pheophytin. D) Photosystem II. Show Answer Correct Answer: D) Photosystem II. 3. What is the significance of the Calvin cycle? A) The Calvin cycle occurs in the mitochondria of plant cells. B) The Calvin cycle produces oxygen as a byproduct of respiration. C) The Calvin cycle is involved in the breakdown of glucose for energy. D) The Calvin cycle is crucial for converting carbon dioxide into glucose during photosynthesis. Show Answer Correct Answer: D) The Calvin cycle is crucial for converting carbon dioxide into glucose during photosynthesis. 4. What is one of the "ingredients" for photosynthesis? A) Yeast. B) Sugar (Glucose). C) Carbon Dioxide. D) Oxygen. Show Answer Correct Answer: C) Carbon Dioxide. 5. How will clear-cutting of forests affect the level of carbon dioxide in the atmosphere? A) It will decrease because of decreased photosynthesis. B) It will remain constant as respiring animals remove the carbon dioxide. C) It will increase because of decreased photosynthesis. D) It will decrease because of increased respiration. Show Answer Correct Answer: C) It will increase because of decreased photosynthesis. 6. Why do living things need energy? A) To move around. B) To reproduce. C) To carry out life's functions. D) All of the above. Show Answer Correct Answer: D) All of the above. 7. What is the process by which plants make their own food using sunlight? A) Respiration. B) Photosynthesis. C) Fermentation. D) Digestion. Show Answer Correct Answer: B) Photosynthesis. 8. Light reaction / photochemical phase includes- A) Absorption of light, water splitting, O$_{2}$ release. B) ATP and NADPH$_{2}$ formation. C) CO$_{2}$ fixation and glucose formation. D) A and b. Show Answer Correct Answer: D) A and b. 9. Where does transpiration take place? A) Stomata. B) Flower. C) Carpel. D) Root. Show Answer Correct Answer: A) Stomata. 10. Water exits a plant through the stomata on the leaves in the process known as ..... A) Evaporation. B) Inspiration. C) Perspiration. D) Transpiration. Show Answer Correct Answer: D) Transpiration. 11. What gas do plants release during photosynthesis that is essential for human and animal life? A) Nitrogen. B) Hydrogen. C) Carbon Dioxide. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 12. What is missing in the photosynthesis equation? ..... + carbon dioxide + water = glucose + oxygen A) Sunlight. B) Water. C) Oxygen. D) Carbon dioxide. Show Answer Correct Answer: A) Sunlight. 13. Plants breath in through openings in the leaf called the A) Stomata. B) Gills. C) John Stamos. D) Lungs. Show Answer Correct Answer: A) Stomata. 14. What is chlorophyll and how does it help plants? A) Chlorophyll is a pigment that absorbs light energy and makes glucose. B) Chlorophyll is a protein that changes shape in the presence of sunlight. C) Chlorophyll is a receptor that binds carbon dioxide when energized by light. D) Chlorophyll is an enzyme that catalyzes the production of glucose when exposed to light. Show Answer Correct Answer: A) Chlorophyll is a pigment that absorbs light energy and makes glucose. 15. What is ONE of the reactants of Photosynthesis? A) Glucose. B) Water. C) Oxygen. D) ATP. Show Answer Correct Answer: B) Water. 16. What type of force is a movement in which a plant moves or grows in response to touch or contact stimuli? A) Phototropism. B) Thigmotropism. C) Hydrotropism. D) Geotropism/Gravitropism. Show Answer Correct Answer: B) Thigmotropism. 17. What sugar does a plant produce in photosynthesis? A) Starch. B) Glucose. C) Fructose. D) Sucrose. Show Answer Correct Answer: B) Glucose. 18. The higher the amount of light given to the water plant, the ..... the rate of photosynthesis. A) Slower. B) Faster. C) All the above. D) None of the above. Show Answer Correct Answer: B) Faster. 19. What DON'T plants use glucose for? A) Photosynthesis. B) Making cellulose. C) Making amino acids. D) Making cellulose. E) Respiration. Show Answer Correct Answer: A) Photosynthesis. 20. Which tissue of the leaf contains the most chloroplasts? A) Epidermis. B) Mesophyll. C) All the above. D) None of the above. Show Answer Correct Answer: B) Mesophyll. 21. In photosynthesis, hydrogen is transfered from the light reaction to dark reactions by A) DPN. B) DNA. C) ATP. D) NADP. Show Answer Correct Answer: D) NADP. 22. What is the main purpose of photosynthesis? A) To release oxygen. B) To absorb sunlight. C) To make food. D) To create energy. Show Answer Correct Answer: C) To make food. 23. CO2 is a greenhouse gas, therefore it can impact climate by: A) Allow plants to grow really well. B) Breaking down ozone. C) Trap heat in the atmosphere. D) Stabilize earth's seasonal variations. Show Answer Correct Answer: C) Trap heat in the atmosphere. 24. What caused the leaf discs to float? A) Oxygen. B) Sugars. C) Carbon Dioxide. D) Water. Show Answer Correct Answer: A) Oxygen. 25. How does temperature affect photosynthesis? A) Increases the rate at which enzymes work. B) Gives the plant energy to perform photosynthesis. C) Stops certain enzymes that interfere with photosynthesis working. D) None of the above. Show Answer Correct Answer: A) Increases the rate at which enzymes work. 26. Which cells of a leaf undergo the MOST photosynthesis? A) Palisade cells. B) Guard cells. C) Epidermal cells. D) Cells in the spongy layer. Show Answer Correct Answer: A) Palisade cells. 27. What is the main function of the stomata in a plant? A) They guard the interior cells. B) They monitor the release of sugar. C) They increase the rate of conversion of sunlight into energy for the plant. D) They allow the exchange of gases between the plant and the atmosphere. Show Answer Correct Answer: D) They allow the exchange of gases between the plant and the atmosphere. 28. Which of the following types of organisms would benefit most directly from the products of decomposer organisms? A) Producers. B) Decomposers. C) Primary consumers. D) Secondary consumers. Show Answer Correct Answer: A) Producers. 29. What are the reactants (what's needed) for photosynthesis? A) Glucose and oxygen. B) Light, water, and carbon dioxide. C) Oxygen and carbon dioxide. D) Light and water. Show Answer Correct Answer: B) Light, water, and carbon dioxide. 30. In which part of the plant does photosynthesis primarily take place? A) Leaves. B) Flowers. C) Roots. D) Stems. Show Answer Correct Answer: A) Leaves. 31. What is the process (equation) for photosynthesis? A) 6CO$_{2}$ + C$_{6}$H$_{12}$O$_{6}$ $\rightarrow$ 6H$_{2}$O + 6O$_{2}$. B) 6O$_{2 }$+ C$_{6}$H$_{12}$O$_{6 }$ $\rightarrow$ 6CO$_{2}$ +$_{ }$6H$_{2}$O. C) 6CO$_{2}$ + C$_{6}$H$_{12}$O$_{6}$ $\rightarrow$ 6H$_{2}$O + Energy. D) 6H$_{2}$O + 6CO$_{2}$ $\rightarrow$ C$_{6}$H$_{12}$O$_{6 }$+ 6O$_{2}$. Show Answer Correct Answer: D) 6H$_{2}$O + 6CO$_{2}$ $\rightarrow$ C$_{6}$H$_{12}$O$_{6 }$+ 6O$_{2}$. 32. How does photosynthesis most contribute to respiration? A) It provides water. B) It provides oxygen. C) It provides nutrients. D) It provides minerals. Show Answer Correct Answer: B) It provides oxygen. 33. There are 2 reactions in photosynthesis, Light Dependent and Light Independent Reaction. What is the process occur during the Light Dependent Reaction? A) Water Hydrolysis. B) Sugar production. C) Carbon Fixation. D) Oxygen absorbtion. Show Answer Correct Answer: A) Water Hydrolysis. 34. Why is cellular respiration in animals important for plants? A) It produces oxygen for plants to use. B) It produces carbon dioxide for plants to use. C) It produces energy for plants to use. D) It produces light for plants to use. Show Answer Correct Answer: B) It produces carbon dioxide for plants to use. 35. Chemiosmosis needs- A) A membrane. B) A proton pump. C) A proton gradient and ATPase. D) All. Show Answer Correct Answer: D) All. 36. Maximum CO2 Fixation is done by A) Phytiplanktons. B) Green plants. C) Bacteria. D) Zooplanktons. Show Answer Correct Answer: A) Phytiplanktons. 37. Most of the chloroplast cells are found in the A) Upper epidermis. B) Pallisade mesophyll layer. C) Lower epidermis. D) Stomata. Show Answer Correct Answer: B) Pallisade mesophyll layer. 38. How many ATP and NADPH2 are respectively produced in the process of photorespiration? A) 2 and 4. B) 1 and 2. C) 4 and 6. D) 0 and 0. Show Answer Correct Answer: D) 0 and 0. 39. The diagram shows the movement of ions against a concentration gradient to an area of higher concentration. Which molecule provides the energy needed for this movement to occur in a cell? A) ATP. B) Protein. C) MRNA. D) Lipid. Show Answer Correct Answer: A) ATP. 40. A student investigated the effect of light intensity on the rate of photosynthesis. What was the independent variable in this investigation? A) Rate of photosynthesis. B) Number of bubbles produced. C) Light Intensity. D) Temperature. E) Time. Show Answer Correct Answer: C) Light Intensity. 41. The carbon, from carbon dioxide, that the plants need for photosynthesis comes from A) Water. B) The atmosphere. C) The glucose molecule. D) Molecules that the plant makes. Show Answer Correct Answer: B) The atmosphere. 42. The carotenoids more soluble in carbon di sulphide is A) Carotenes. B) Xanthophylls. C) Both have equal solubility. D) None of the above. Show Answer Correct Answer: A) Carotenes. 43. What is the significance of glucose produced in photosynthesis? A) Glucose is a waste product of photosynthesis. B) Glucose serves as an energy source for the plant and is used for growth. C) Glucose is primarily used for photosynthesis itself. D) Glucose is converted into oxygen during respiration. Show Answer Correct Answer: B) Glucose serves as an energy source for the plant and is used for growth. 44. What color of light do plants reflect? A) Red. B) Blue. C) Yellow. D) Green. Show Answer Correct Answer: D) Green. 45. During fixation of one molecule of CO2 by C3 plants, number of ATP and NADPH2 required are A) 3 ATP and 2 NADPH2. B) 5 ATP and 2 NADPH2. C) 12 ATP and 12 NADPH2. D) 2 ATP and 3 NADPH2. Show Answer Correct Answer: A) 3 ATP and 2 NADPH2. 46. Which part of the light spectrum is most effective for photosynthesis? A) Green light. B) Red and blue light. C) Yellow light. D) Infrared light. Show Answer Correct Answer: B) Red and blue light. 47. Mark out the incorrect statement. A) PS II is found in both grana and stroma lamellae. B) PS II is involved in photolysis of water. C) PS I participates in both cyclic as well as non-cyclic flow of electrons. D) The reaction centre in PS II is P$_{680}$. Show Answer Correct Answer: A) PS II is found in both grana and stroma lamellae. 48. Where are the molecules of the electron transport chain associated with photophosphorylation located in plant cells? A) Outer membrane of chloroplasts. B) Stroma of chloroplasts. C) Thylakoid membanes of chloroplasts. D) Matrix of mitochondria. Show Answer Correct Answer: C) Thylakoid membanes of chloroplasts. 49. Primary electron acceptor in cyclic photophosphorylation is (a) (b) (c) (d) A) Phaeophytin. B) PC. C) Fe-S. D) Cyt-b$_{6}$-f complex. Show Answer Correct Answer: C) Fe-S. 50. Formation of ATP occurs between which of the following compounds? [MHT CET 2018] A) Cytochrome b$_{6 }$$\rightarrow$ cytochrome f. B) Plastocyanin $\rightarrow$ ionised chl-a. C) FRS $\rightarrow$ FERRODEXIN. D) Cytochrome f $\rightarrow$ plastocyanin. Show Answer Correct Answer: A) Cytochrome b$_{6 }$$\rightarrow$ cytochrome f. 51. Why do some plants express other colours that are not green A) The plant has lower or higher ratio of chlorophyll to thylakoid. B) The plant contains other pigments that are stronger than the chlorophyll pigment present. C) The chlorophyll can express colours other than green. D) None of the above. Show Answer Correct Answer: B) The plant contains other pigments that are stronger than the chlorophyll pigment present. 52. During photosynthesis the carbon atoms from the carbon dioxide molecule are turned into A) Glucose. B) Oxygen. C) Water. D) Hydrogen. Show Answer Correct Answer: A) Glucose. 53. Plant factors affecting photosynthesis include A) Number, age, size, and orientation of leaves, mesophyll cells and chloroplast, internal CO2 concentration, the amount of chlorophyll. B) Nature of leaves, size of mesophyll cells and light. C) Mesophyll cells, distribution and temperature. D) Quantity of chlorophyll, size of leaves and CO2. Show Answer Correct Answer: A) Number, age, size, and orientation of leaves, mesophyll cells and chloroplast, internal CO2 concentration, the amount of chlorophyll. 54. NADPH carries the hydrogen atom from the light ..... reaction to the light ..... reaction A) Independent, dependent. B) Dependent, independent. C) All the above. D) None of the above. Show Answer Correct Answer: B) Dependent, independent. 55. Which of this mineral ions make chlorophyll green? A) Phosphate. B) Potassium. C) Nitrate. D) Magnesium. Show Answer Correct Answer: D) Magnesium. 56. Why are plants green? A) Chloride. B) Chlorophyll. C) Chloroplast. D) Chlorine. Show Answer Correct Answer: B) Chlorophyll. 57. The ..... color of leaves is due to chlorophyll A) Green. B) Red. C) Pink. D) Blue. Show Answer Correct Answer: A) Green. 58. Synthesis of complex organic substances from simple inorganic raw materials in the presence of sunlight and chlorophyll is called as ..... , which is a ..... process. A) Respiration,. B) Respiration, anabolic. C) Photosynthesis, catabolic catabolic. D) Photosynthesis, anabolic. Show Answer Correct Answer: D) Photosynthesis, anabolic. 59. Roots perform all of the following functions EXCEPT A) Carrying out the light reactions of photosynthesis. B) Anchoring the plant in the soil. C) Absorbing water and nutrients from the soil. D) Storing water and minerals. Show Answer Correct Answer: A) Carrying out the light reactions of photosynthesis. 60. The principle of limiting factor was given by A) Arnon. B) Hill. C) Calvin. D) Blackman. Show Answer Correct Answer: D) Blackman. Next →Related QuizzesScience QuizzesClass 11 QuizzesClass 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books