This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 13 Photosynthesis In Higher Plants – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 13 Photosynthesis In Higher Plants Quiz 6 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is needed to make glucose during Photosynthesis? A) Oxygen. B) Glucose. C) Lactic Acid. D) Carbon Dioxide. Show Answer Correct Answer: D) Carbon Dioxide. 2. What difficulties does a plant in the desert face in terms of photosynthesis? A) Obtaining and keeping the water needed for photosynthesis. B) Releasing waste products such as oxygen without many animals nearby. C) Obtaining and keeping the solar energy needed for photosynthesis. D) Creating mitochondria to conduct photosynthesis. Show Answer Correct Answer: A) Obtaining and keeping the water needed for photosynthesis. 3. What do we call the process of plants taking sunlight, water, and carbon dioxide to produce sugar and oxygen? A) Cellular Respiration. B) Photosynthesis. C) Chemosynthesis. D) Chemiosmosis. Show Answer Correct Answer: B) Photosynthesis. 4. It is important to create a concentration of H+ in the thylakoid space so that the H+ can diffuse through ..... to create ..... A) ATP synthase, ATP. B) NADH, NADPH. C) Proton pump, protons. D) None of the above. Show Answer Correct Answer: A) ATP synthase, ATP. 5. What is the primary source of energy for photosynthesis? A) Soil provides the energy needed for photosynthesis. B) The sun provides the energy needed for photosynthesis. C) Water provides the energy needed for photosynthesis. D) The moon provides the energy needed for photosynthesis. Show Answer Correct Answer: B) The sun provides the energy needed for photosynthesis. 6. What plant part is missing from nonvascular plants? A) Roots. B) Leaves. C) Green color. D) None of the above. Show Answer Correct Answer: A) Roots. 7. Which factor can lead to photorespiration in C3 plants? A) High carbon dioxide concentration. B) Low light intensity. C) Low temperature. D) High oxygen concentration. Show Answer Correct Answer: D) High oxygen concentration. 8. The primary CO$_{2}$ acceptor molecule during the C$_{3}$ cycle is a A) Ketose sugar. B) 5 C compund. C) PEP. D) Both (a) and (b). Show Answer Correct Answer: D) Both (a) and (b). 9. Why does photorespiration occur? A) Stomata are closed and the ratio of $CO_2$ $O_2$. B) Stomata are closed and $O_2$. C) Stomata are open and too much water is leaving the plant by the process of transpiration. D) Stomata are open and the plant receives too much $CO_2$. Show Answer Correct Answer: A) Stomata are closed and the ratio of $CO_2$ $O_2$. 10. Cytochromes are found in A) Outer wall of mitochondria. B) Cristae of mitochondria. C) Lysosome. D) Matrix of mitochondria. Show Answer Correct Answer: B) Cristae of mitochondria. 11. Photosynthesis cannot be operated in: A) Blue light. B) Green light. C) Red light. D) Yellow light. Show Answer Correct Answer: B) Green light. 12. The chlorophyll without its Mg-core & is colourless is A) Plastoquinone. B) Plastocyanin. C) Pheophytin. D) Ferrodoxin. Show Answer Correct Answer: C) Pheophytin. 13. Which of the following organisms can do photosynthesis? A) Butterfly. B) Honeybee. C) Maple tree. D) All of the above. Show Answer Correct Answer: C) Maple tree. 14. In chlorophyll structure four pyrrole rings are United Mg by their atom of A) N. B) O. C) H. D) C. Show Answer Correct Answer: A) N. 15. Autotrophs ..... A) Make their own energy. B) Eat others for energy. C) None of these answers. D) None of the above. Show Answer Correct Answer: A) Make their own energy. 16. Which reaction in photosynthesis converts light energy into chemical energy (ATP)? A) Cellular Respiration. B) Light Reaction. C) Light Independent Reaction. D) Glycolysis. Show Answer Correct Answer: B) Light Reaction. 17. What is a vital process in plants that allows them to create their own food? A) Pollination. B) Transpiration. C) Respiration. D) Photosynthesis. Show Answer Correct Answer: D) Photosynthesis. 18. Which of the following best describes photosynthesis? A) Photosynthesis converts radiant energy into chemical energy. B) Photosynthesis produces carbohydrates. C) Plants need sunlight, carbon dioxide, water, nutrients, and chlorophyll to complete photosynthesis. D) Plants use chlorophyll, water, and carbon dioxide to make sugar. Show Answer Correct Answer: A) Photosynthesis converts radiant energy into chemical energy. 19. Which chlorophyll absorbs more red wavelengths of light A) Chlorophyll a. B) Chlorophyll d. C) Chlorophyll c. D) Chlorophyll b. Show Answer Correct Answer: A) Chlorophyll a. 20. Which statement below is TRUE A) Embryos don't grow roots. B) A plant embryo doesn't need food until it germinates. C) Seeds dispersed far from the parent have a better chance of surviving. D) Seeds germinate as soon as they hit the ground. Show Answer Correct Answer: C) Seeds dispersed far from the parent have a better chance of surviving. 21. What do the arrows indicate in a food web? A) What eats what. B) Where the energy is being transferred. C) How the animals are related. D) None of the above. Show Answer Correct Answer: B) Where the energy is being transferred. 22. In an experiment, a leaf was partially covered with black paper, and was exposed to light. On testing these leaves for starch, it was seen that uncovered part turned blue-black. This concludes that photosynthesis had occurred in A) Green parts of leaves. B) Black paper covered part of leaves. C) Black part of leaves. D) Both (1) and (2). Show Answer Correct Answer: A) Green parts of leaves. 23. What sugar is produced by plants as a result of photosynthesis? A) Lactose. B) Fructose. C) Sucrose. D) Glucose. Show Answer Correct Answer: D) Glucose. 24. How is validity increased in the investigation we just conducted? A) More accurate instruments to measure bubble rate. B) Include a control treatment. C) Control more variables. D) More trials. Show Answer Correct Answer: C) Control more variables. 25. What environmental factors can affect the rate of photosynthesis? A) Humidity levels. B) Soil pH. C) Light intensity, carbon dioxide concentration, and temperature. D) Wind speed. Show Answer Correct Answer: C) Light intensity, carbon dioxide concentration, and temperature. 26. Assertion:The stroma lamellae have both PS I and PS II.Reason:The grana lamellae lack PS II as well as NADP reductase enzyme. A) Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion. B) Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion. C) Assertion is true but Reason is false. D) Both Assertion and Reason are false. Show Answer Correct Answer: D) Both Assertion and Reason are false. 27. The phloem transports glucose made in the leave to the other parts of the plant in the form of ..... A) Maltose. B) Lactose. C) Sucrose. D) Glucose. Show Answer Correct Answer: C) Sucrose. 28. How is the average bubble rate at a given light intensity for three different species of pond weed best represented? A) Scatter plot. B) Pie chart. C) Line graph. D) Bar graph. Show Answer Correct Answer: D) Bar graph. 29. Gravity and other forces affect movement within an animal's body. Which system is responsible for the force that moves blood through the body? A) Endocrine system. B) Skeletal system. C) Nervous system. D) Circulatory system. Show Answer Correct Answer: D) Circulatory system. 30. Geotropism/Gravitropism is a force on a plant that causes A) Roots to grow upward. B) Roots grow downward. C) A seedling to be carried by the wind. D) Leaves to fall off a tree in the autumn. Show Answer Correct Answer: B) Roots grow downward. 31. Explain how light intensity affects photosynthesis. A) Light intensity has no effect on photosynthesis. B) Light intensity affects photosynthesis by increasing the rate of photosynthesis up to a certain point, after which it may plateau or decline. C) Photosynthesis occurs only in the absence of light. D) Higher light intensity always leads to higher oxygen production. Show Answer Correct Answer: B) Light intensity affects photosynthesis by increasing the rate of photosynthesis up to a certain point, after which it may plateau or decline. 32. Which part carries water and nutrients from roots up to other parts of the plant? A) Xylem. B) Phloem. C) All the above. D) None of the above. Show Answer Correct Answer: A) Xylem. 33. A chromatographic separation of the leaf pigments shows that the colour that we see in leaves is not due to a single pigment but due to A) Chlorophyll a. B) Chlorophyll b. C) Xanthophylls and carotenoids. D) All the above. Show Answer Correct Answer: D) All the above. 34. What do you boil the leaf in to remove the chlorophyll? A) Ethanol. B) Water + sodium hydrogen carbonate. C) Chlorophyll. D) Water. Show Answer Correct Answer: A) Ethanol. 35. During carbon dioxide fixation / Calvin Cycle, CO$_{2}$ combines with- A) 3PGAld. B) Ribulose biphosphate. C) Water. D) NADPH$_{2}$. Show Answer Correct Answer: B) Ribulose biphosphate. 36. During the process of photosynthesis, - A) Chemical energy is transformed to mechanical energy. B) Solar energy is transformed to mechanical energy. C) Thermal energy is changed to chemical energy. D) Light energy is converted to chemical energy. Show Answer Correct Answer: D) Light energy is converted to chemical energy. 37. Which statement best describes a relationship between mitochondria and chloroplasts? A) Mitochondria release chemical energy from molecules and store it in chloroplasts. B) Chloroplasts release chemical energy from molecules and store it in mitochondria. C) Mitochondria convert chemical energy into light energy that can be used by chloroplasts. D) Chloroplasts convert light energy into chemical energy that can be used by mitochondria. Show Answer Correct Answer: D) Chloroplasts convert light energy into chemical energy that can be used by mitochondria. 38. What do you boil the leaf in to kill it and remove the waxy cuticle? A) Water + sodium hydrogen carbonate. B) Water. C) Ethanol. D) Chlorophyll. Show Answer Correct Answer: B) Water. 39. The chlorophyll that is bluish green in its pure state is A) Chlorophyll a. B) Chlorophyll d. C) Chlorophyll b. D) Chlorophyll c. Show Answer Correct Answer: A) Chlorophyll a. 40. How many time Calvin cycle needs to be conducted to produce 1 complete glucose molecule? A) 3 times. B) 6 times. C) 10 times. D) 1 time. Show Answer Correct Answer: B) 6 times. 41. What type of process is photosynthesis? A) Chemical. B) Catabolic. C) Physico-chemical. D) Physical. Show Answer Correct Answer: C) Physico-chemical. 42. In photosynthesis, the light-dependent reaction takes place at (AIPMT RETEST 2015) A) Thylakoid lumen. B) Photosystem I. C) Photosystem II. D) Stromal matrix. Show Answer Correct Answer: D) Stromal matrix. 43. The total requirement of ATP & NADPH for each molecule of CO2 fixed & reduced in photosynthesis in the Calvin cycle is A) 3 ATP & 2 NADPH. B) 2 ATP & 2 NADPH. C) 2 ATP & 3 NADPH. D) 5 ATP & 2 NADPH. Show Answer Correct Answer: A) 3 ATP & 2 NADPH. 44. All plants produce flowers. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 45. Which type of energy is formed during the process of photosynthesis? A) Radiant. B) Thermal. C) Chemical. D) Kinetic. Show Answer Correct Answer: C) Chemical. 46. What role do chloroplasts play in photosynthesis? A) Chloroplasts store genetic information. B) Chloroplasts are responsible for cellular respiration. C) Chloroplasts are the organelles where photosynthesis takes place. D) Chloroplasts help in the absorption of nutrients. Show Answer Correct Answer: C) Chloroplasts are the organelles where photosynthesis takes place. 47. Moll's half leaf experiment proves that- A) CO$_{2}$ is essential for photosynthesis. B) Light is essential for photosynthesis. C) O$_{2}$ releases during photosynthesis. D) Chlorophyll is essential for photosynthesis. Show Answer Correct Answer: B) Light is essential for photosynthesis. 48. What reaction in photosynthesis takes CO2 and makes Glucose using ATP? A) Cellular Re. B) Krebs Cycle. C) Light Reaction. D) Light Independent Reaction. Show Answer Correct Answer: D) Light Independent Reaction. 49. In chloroplast the highest number of protons are found in A) Lumen of thylakoids. B) Antennae complex. C) Stroma. D) Inner membrane space. Show Answer Correct Answer: A) Lumen of thylakoids. 50. What is the significance of water in the light-dependent reactions? A) Water provides electrons for the light-dependent reactions and produces oxygen as a byproduct. B) Water is used to transport nutrients in the plant. C) Water acts as a catalyst for the Calvin cycle. D) Water absorbs sunlight to produce glucose. Show Answer Correct Answer: A) Water provides electrons for the light-dependent reactions and produces oxygen as a byproduct. 51. What is produced as a byproduct of photosynthesis? A) Glucose. B) Oxygen. C) Carbon dioxide. D) Water. Show Answer Correct Answer: B) Oxygen. 52. The outer layer of cells in a leaf is called A) Stem. B) Xylem. C) Phloem. D) Epidermis. Show Answer Correct Answer: D) Epidermis. 53. When the temperature is too hot or too cold, photosynthesis ..... occur. A) Will. B) Will Not. C) All the above. D) None of the above. Show Answer Correct Answer: B) Will Not. 54. After removal of carbon, the oxygen in carbon dioxide ends up in- A) Air. B) Sugar. C) Water molecules. D) The sugar and water molecules. Show Answer Correct Answer: D) The sugar and water molecules. 55. How do plants adapt to low light conditions for photosynthesis? A) Plants reduce their leaf size to conserve water in low light. B) Plants thrive in complete darkness by using stored energy. C) Plants rely solely on soil nutrients for energy production. D) Plants adapt to low light by increasing leaf surface area, developing larger chloroplasts, and using pigments that absorb more light. Show Answer Correct Answer: D) Plants adapt to low light by increasing leaf surface area, developing larger chloroplasts, and using pigments that absorb more light. 56. Where do the light-dependent reactions occur in the plant cell? A) Nucleus of the cell. B) Cytoplasm of the cell. C) Mitochondrial membranes. D) Thylakoid membranes of the chloroplasts. Show Answer Correct Answer: D) Thylakoid membranes of the chloroplasts. 57. Kranz type of leaf anatomy is observed in A) C$_{3}$ plants. B) C$_{4}$ plants. C) C$_{3}$ and C$_{4}$ plants. D) Hydrophytic plants. Show Answer Correct Answer: B) C$_{4}$ plants. 58. What is the first stage of photosynthesis called? A) Krebs Cycle. B) Light-dependent reactions. C) Glycolysis. D) Calvin Cycle. Show Answer Correct Answer: B) Light-dependent reactions. 59. List two factors that can affect the rate of photosynthesis. A) Light intensity, Carbon dioxide concentration. B) Oxygen levels. C) Temperature fluctuations. D) Soil moisture levels. Show Answer Correct Answer: A) Light intensity, Carbon dioxide concentration. 60. Where do the light reactions take place inside a chloroplast? A) Lamellae. B) Stroma. C) Thylakoid membrane. D) Chloroplast membrane. Show Answer Correct Answer: C) Thylakoid membrane. ← 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 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