This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 14 Respiration In Plants – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 14 Respiration In Plants Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Energy liberated in large quantity from one mole of glucose A) 38ATP. B) 35 ATP. C) 36ATP. D) 2ATP. Show Answer Correct Answer: A) 38ATP. 2. In Opuntia, the RQ will be A) One. B) Zero. C) Less than 1. D) More than 1. Show Answer Correct Answer: C) Less than 1. 3. Complete oxydation of glucose takes place in A) Aerobic respiration. B) Anaerobic respiration. C) Both of the above. D) None of the above. Show Answer Correct Answer: A) Aerobic respiration. 4. How many NADH molecules are produced by a molecule of glucose through the Krebs' Cycle? A) 6. B) 3. C) 2. D) 4. Show Answer Correct Answer: A) 6. 5. Which part of the nerve cell covers more than half of its volume A) Axon. B) Neuroglia. C) Mylein sheath. D) Dentrites. Show Answer Correct Answer: B) Neuroglia. 6. Why don't roots photosynthesise? A) They are underground and lack light. B) Roots are only for water absorption. C) They do not contain chlorophyll. D) Both A and B. Show Answer Correct Answer: D) Both A and B. 7. In plants, exchange of gases happens through ..... A) Lungs. B) Stomata. C) Nose. D) Gills. Show Answer Correct Answer: B) Stomata. 8. Which of the following statements about Glycolysis is TRUE? A) Anerobes do not initiate respiration with Glycolysis. B) It occurs in Mitochondria. C) It was first described by Embden, Meyerhof and Parnas. D) One molecule of glucose is broken down into 2 molecules of Lactic acid. Show Answer Correct Answer: C) It was first described by Embden, Meyerhof and Parnas. 9. Which equation correctly represents the oxidation of pyruvic acid? A) 2 Pyruvic acid $\rightarrow$ 2 Acetyl-CoA + 2CO2 + 2 FADH2. B) 2 Pyruvic acid $\rightarrow$ 2 Acetyl-CoA + 2CO2 + 2 ATP. C) 2 Pyruvic acid $\rightarrow$ 2 Acetyl-CoA + 2CO2 + 2NADH. D) 2 Acetyl-CoA + 2CO2 + 2NADH $\rightarrow$ 2 Pyruvic acid. Show Answer Correct Answer: C) 2 Pyruvic acid $\rightarrow$ 2 Acetyl-CoA + 2CO2 + 2NADH. 10. What is the net gain of ATP during aerobic respiration if the malate-aspartate shuttle is used? A) 40. B) 8. C) 38. D) 36. Show Answer Correct Answer: C) 38. 11. Q5)BURNING IS DIFFERENT FROM RESPIRATION BECAUSE BURNING IS ..... PROCESS. A) Physico chemical. B) Physical. C) Bio chemical. D) Chemical. Show Answer Correct Answer: A) Physico chemical. 12. No of copper centers present in complex IV in the electron transport system. A) Two. B) One. C) Four. D) Three. Show Answer Correct Answer: A) Two. 13. The majority of the stomata of a leaf can usually be found within the A) Lower epidermis. B) Guard cells. C) Upper epidermis. D) Cuticle. Show Answer Correct Answer: A) Lower epidermis. 14. What is the main product of respiration in plants? A) Water. B) Oxygen. C) Carbon Dioxide. D) Glucose. Show Answer Correct Answer: C) Carbon Dioxide. 15. Which chemical is used to absorb carbon dioxide in the experiment? A) Antiseptic. B) Water. C) Sodalime. D) Cotton. Show Answer Correct Answer: C) Sodalime. 16. ..... gas is harmful for the body and must be removed. A) Oxygen. B) Carbon dioxide. C) Both. D) None of the above. Show Answer Correct Answer: B) Carbon dioxide. 17. Respiration and Photosynthesis are the opposite to each other. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 18. What is the process called when glucose is transported from the leaves to different parts of the plant? A) Phloem transport. B) Photosynthesis. C) Transpiration. D) Respiration. Show Answer Correct Answer: A) Phloem transport. 19. What does the word anaerobic mean? A) With lots of oxygen. B) Without oxygen. C) With carbon dioxide. D) With sunlight. Show Answer Correct Answer: B) Without oxygen. 20. What is the dangerous tem for plants? A) 40 c. B) 30 c. C) All the above. D) None of the above. Show Answer Correct Answer: A) 40 c. 21. Which of the following is the key compound in the intermediary metabolism of carbohydrates, lipid and proteins A) Acetyl CoA. B) PEP. C) $\alpha$. D) PGA. Show Answer Correct Answer: A) Acetyl CoA. 22. The splitting of water is associated with the ..... A) Carotenoids. B) PS I. C) Xanthophylls. D) PS II. Show Answer Correct Answer: D) PS II. 23. The photosynthesis ocurrs in: A) The morning. B) The night. C) The morning and night. D) None of the above. Show Answer Correct Answer: A) The morning. 24. Which process is directly opposite to respiration in plants? A) Fermentation. B) Photosynthesis. C) Digestion. D) Transpiration. Show Answer Correct Answer: B) Photosynthesis. 25. Glycolysis is also known as ..... A) EMP pathway. B) TCA pathway. C) Carbon sequestration. D) None of the above. Show Answer Correct Answer: A) EMP pathway. 26. Which of the following biomolecules is common to respiration mediated breakdown of fats, carbohydrates and proteins? A) Fructose-1, 6-Bisphosphate. B) Acetyl-CoA. C) Glucose-6-Phosphate. D) Pyruvic Acid. Show Answer Correct Answer: B) Acetyl-CoA. 27. Where does glycolysis take place in cells? A) Ribosomes. B) Cytoplasm. C) Endoplasmic Reticulum. D) Mitochondrion. Show Answer Correct Answer: B) Cytoplasm. 28. Which instrument is used to connect the flask to the water trough? A) Thermometer. B) Funnel. C) Delivery-tube. D) Beaker. Show Answer Correct Answer: C) Delivery-tube. 29. Energy is stored in the ..... is released during the process known as respiration . A) Food. B) Water. C) Sunlight. D) None of the above. Show Answer Correct Answer: A) Food. 30. Which flask shows a greater rise in water level during the experiment? A) Flask A. B) Flask B. C) Both equally. D) Neither. Show Answer Correct Answer: A) Flask A. 31. In glycolysis reaction glucose is converted into ..... A) Pyruvic acid. B) Water. C) Energy. D) Oxygen. Show Answer Correct Answer: A) Pyruvic acid. 32. Chlorophyll is present in A) Chloroplasts. B) Mitochondria. C) Nucleus. D) None of the above. Show Answer Correct Answer: A) Chloroplasts. 33. Root hairs collect O2 from ..... A) Water. B) Air. C) Soil spaces. D) Both 1 and 2. Show Answer Correct Answer: C) Soil spaces. 34. Forcing air out of the body A) Desperation. B) Temptation. C) Inspiration. D) Expiration. Show Answer Correct Answer: D) Expiration. 35. The proton gradient generated by ETS is used by ..... to form the ATP in matrix. A) Complex V. B) ATP synthase. C) Oxysomes. D) All the above. Show Answer Correct Answer: D) All the above. 36. Rate of transpiration depends on what? A) Humidity. B) Temperature. C) Atmospheric pressure. D) All of these. Show Answer Correct Answer: D) All of these. 37. What is decarboxylation? A) Removal of CO2. B) Removal of water. C) Addition of CO2. D) Addition of water. Show Answer Correct Answer: A) Removal of CO2. 38. Which of these organisms also carries out anaerobic respiration similar to plants? A) Fish. B) Birds. C) Yeast. D) Humans. Show Answer Correct Answer: C) Yeast. 39. Name the enzyme involved in for the reduction of pyruvic acid to lactic acid. A) Lactate decarboxylase. B) Pyruvate dehydrogenase. C) Pyruvic decarboxylase. D) Lactate dehydrogenase. Show Answer Correct Answer: D) Lactate dehydrogenase. 40. During the night, solutes move out of the guard cells, resulting in outward movement of water from guard cells to ..... cells. A) Guard. B) Epidermal. C) Lenticels. D) None of these. Show Answer Correct Answer: B) Epidermal. 41. What do the stomata do during the respiration? A) Close. B) Open. C) All the above. D) None of the above. Show Answer Correct Answer: B) Open. 42. Photosynthesis is the process by which green plants from oxygen and water, in the presence of sunlight. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 43. The end products of glycolysis does not includes A) FADH$_{2}$. B) NADH. C) Pyruvic acid. D) ATP. Show Answer Correct Answer: A) FADH$_{2}$. 44. Anaerobic respiration in plants yields lactic acid . A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 45. When oxygen is inadequate for cellular respiration in animal cells, pyruvic acid is reduced to ..... A) Oxalo-acetic acid. B) Citric acid. C) Fumaric acid. D) Lactic acid. Show Answer Correct Answer: D) Lactic acid. 46. What acidic gas do animals produce in aerobic respiration? A) Carbon Dioxide. B) Water. C) Oxygen. D) Nitrogen. Show Answer Correct Answer: A) Carbon Dioxide. 47. ..... converts ammonia into urea A) Skin. B) Lungs. C) Liver. D) Kidneys. Show Answer Correct Answer: C) Liver. 48. Glycolysis is the second stage of cellular respiration. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 49. ..... are tiny openings stems and the mature roots of the plants A) Lenticels. B) Lenticellls. C) Lenticells. D) None of these. Show Answer Correct Answer: A) Lenticels. 50. What is the process by which plants use sunlight to convert carbon dioxide and water into glucose and oxygen? A) Fermentation. B) Aerobic respiration. C) Photosynthesis. D) Cell division. Show Answer Correct Answer: C) Photosynthesis. 51. Pyruvic acid, the key product of glycolysis, can have many metabolic fates. Under aerobic condition it forms: A) CO2 + H2O. B) Ethanol + CO2. C) Acetyl-CoA + CO2. D) Lactic acid. Show Answer Correct Answer: C) Acetyl-CoA + CO2. 52. What is required for the germination of seeds? A) Sunlight. B) Water (moisture). C) Fertilizer. D) Sand. Show Answer Correct Answer: B) Water (moisture). 53. The process of production of energy inside the cells A) Breathing. B) Photosynthesis. C) Respiratoin. D) None of the above. Show Answer Correct Answer: D) None of the above. 54. The final electron acceptor in electron transport chain is(a) Cytochrome C(b) FADH(c) NADH(d) oxygen A) Cytochrome. B) NADH. C) FADH. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 55. The ..... also help to take air from the soil A) Stem. B) Root hair. C) Flower. D) Stomata. Show Answer Correct Answer: B) Root hair. 56. The product and reactant of respiration and photosynthesis respectively is A) Oxygen. B) Carbondioxide. C) Glucose. D) All of them. Show Answer Correct Answer: B) Carbondioxide. 57. Sucrose is converted into glucose and fructose. The enzyme which facilitates this reaction is called: A) Zymase. B) Maltase. C) Isomerase. D) Invertase. Show Answer Correct Answer: D) Invertase. 58. What is the main gas released back into the atmosphere during photosynthesis? A) Oxygen. B) Hydrogen. C) Nitrogen. D) Carbon dioxide. Show Answer Correct Answer: A) Oxygen. 59. Anaerobic respiration normally occurs in A) Baker's yeast. B) Cactus. C) Coconut. D) Grass. Show Answer Correct Answer: A) Baker's yeast. 60. Q2). IN GLYCOLYSIS, GLUCOSE IS CONVERTED TO ..... A) KREB CYCLE. B) CYTOPLASM. C) PYRUVATE. D) PHOSPHATE. Show Answer Correct Answer: C) PYRUVATE. ← PreviousNext →Related QuizzesScience QuizzesClass 11 QuizzesClass 11 Biology Chapter 14 Respiration In Plants Quiz 1Class 11 Biology Chapter 14 Respiration In Plants Quiz 2Class 11 Biology Chapter 14 Respiration In Plants Quiz 4Class 11 Biology Chapter 14 Respiration In Plants Quiz 5Class 11 Biology Chapter 14 Respiration In Plants Quiz 6Class 11 Biology Chapter 14 Respiration In Plants Quiz 7Class 11 Biology Chapter 14 Respiration In Plants Quiz 8Class 11 Biology Chapter 14 Respiration In Plants Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books