This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 14 Respiration In Plants – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 14 Respiration In Plants Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The value of RQ is ..... when respiratory substrate A) Is proteins. B) Is incompletely oxidized. C) Is Fats. D) Is present in less amount. Show Answer Correct Answer: B) Is incompletely oxidized. 2. How many ATP are used in glycolysis or For complete phosphorylation of a glucose molecule, how many ATP molecules are required A) 2. B) 6. C) 8. D) 4. Show Answer Correct Answer: A) 2. 3. Which part of the excretory system exists in a pair? A) Liver. B) Ureter. C) Urethra. D) Urinary bladder. Show Answer Correct Answer: B) Ureter. 4. In which of the following is the order of organs correct? A) Urethra, urinary bladder, ureter, kidney. B) Kidney, ureter, urinary bladder, urethra. C) Kidney, urethra, urinary bladder, ureter. D) Ureter, kidney, urethra, urinary bladder. Show Answer Correct Answer: B) Kidney, ureter, urinary bladder, urethra. 5. Which material is used to keep the seeds moist during the experiment? A) Sodalime. B) Cotton. C) Sand. D) Glass beads. Show Answer Correct Answer: B) Cotton. 6. The complete oxidation of pyruvate take place in(a) cell cytoplasm(b) inner mitochondrial membrane(c) mitochondrial matrix(d) nucleus A) (b) inner mitochondrial membrane. B) (d) nucleus. C) (a) cell cytoplasm. D) C) mitochondrial matrix. Show Answer Correct Answer: D) C) mitochondrial matrix. 7. Why is anaerobic respiration not ideal for plants over a long time? A) It uses too much oxygen. B) It produces harmful substances and less energy. C) It stops photosynthesis. D) It makes too much glucose. Show Answer Correct Answer: B) It produces harmful substances and less energy. 8. Where does respiration take place in a plant? A) Respiration only occurs in the leaves of the plant. B) Respiration only happens during the day. C) Respiration only takes place in the roots. D) Respiration occurs in all parts of the plant, including roots, stems, and leaves. Show Answer Correct Answer: D) Respiration occurs in all parts of the plant, including roots, stems, and leaves. 9. Respiratory Quotient (RQ) value of tripalmitin is A) 0.09. B) 0.7. C) 0.07. D) 0.9. Show Answer Correct Answer: B) 0.7. 10. The mitochondria is responsible for ..... A) Photosynthesis. B) Aerobic respiration. C) Fermentation. D) Anaerobic respiration. Show Answer Correct Answer: B) Aerobic respiration. 11. What happens to the glucose produced during photosynthesis in relation to respiration? A) Used in respiration. B) Excreted as waste. C) Converted to protein. D) Stored as starch. Show Answer Correct Answer: A) Used in respiration. 12. Breathing is the same as ..... A) Photosynthesis. B) Respiration. C) All the above. D) None of the above. Show Answer Correct Answer: B) Respiration. 13. The process of breakdown of food to release energy is known as A) Respiration. B) Cellular respiration. C) Both of these. D) None of the above. Show Answer Correct Answer: C) Both of these. 14. When the gaseous exchange occurs through stomata ; it is termed as A) Stomata Respiration. B) Stomatal Respiration. C) Cellular Respiration. D) None of these. Show Answer Correct Answer: B) Stomatal Respiration. 15. In which organelle does respiration primarily occur in plant cells? A) Ribosome. B) Mitochondria. C) Nucleus. D) Chloroplast. Show Answer Correct Answer: B) Mitochondria. 16. The complete break down of glucose happens in the ..... A) Mitochondria. B) Energy currency of the cell. C) Lenticels. D) Cytoplasm. Show Answer Correct Answer: A) Mitochondria. 17. Which of the following is the first reaction in aerobic respiration? A) Calvin Cycle. B) Glycolysis. C) Krebs Cycle. D) Electron Transport Chain. Show Answer Correct Answer: B) Glycolysis. 18. If cytosolic NADH enters mitochondria via glycerol phosphate shuttle, total ATP yield from one glucose (NCERT) will be A) 32. B) 34. C) 38. D) 36. Show Answer Correct Answer: C) 38. 19. The act or process of taking air into your lungs and releasing it. A) Particle. B) Cell. C) Respiration. D) None of the above. Show Answer Correct Answer: C) Respiration. 20. In which situation might a plant use anaerobic respiration? A) On a sunny day. B) When there is lots of wind. C) When the soil is waterlogged. D) During photosynthesis. Show Answer Correct Answer: C) When the soil is waterlogged. 21. ..... are functional units of the kidney. A) Cortex. B) Medulla. C) Sphincter muscles. D) Nephrons. Show Answer Correct Answer: D) Nephrons. 22. One same common function is performed by A) Stomata and veins. B) Stomata and lenticels. C) Lenticels and sepals. D) Lenticels and hydathodes. Show Answer Correct Answer: B) Stomata and lenticels. 23. ..... COMBINES WITH GLUCOSE INSIDE THE CELL TO PRODUCE ENERGY{TICK THE RIGHT OPTION} A) NITROGEN. B) FLORINE. C) OXYGEN. D) NONE OF THE ABOVE. Show Answer Correct Answer: C) OXYGEN. 24. Regarding phosphorylation in glycolysis1. Glucose is phosphorylated to glucose-6-phosphate by hexokinase.2. Fructose-6-phosphate is phosphorylated to fructose-1, 6-bisphosphate by phosphofructokinase. 3. Both phosphorylation steps require NADH. Choose the correct option: A) 1 and 2. B) 2 and 3. C) 1 and 3. D) 1, 2 and 3. Show Answer Correct Answer: A) 1 and 2. 25. End product of glycolysis is(a) acetyl Coenzyme A(b) PEP(c) pyruvate(d) OAA A) Acetyl Coenzyme A. B) Pyruvate. C) OAA. D) PEP. Show Answer Correct Answer: B) Pyruvate. 26. After glycolysis, pyruvic acid (pyruvate) is oxidized to form which compound? A) Oxaloacetate. B) Acetyl-CoA. C) Succinate. D) Succinyl-CoA. Show Answer Correct Answer: B) Acetyl-CoA. 27. Which group of the following scientist discovered EMP pathway of glycolysis A) Embden, Meyerhof and Parnas. B) Emerson, Hoffman and Peterson. C) Embden, Morrison and Pitcher. D) Avery, McLeod and McCarthy. Show Answer Correct Answer: A) Embden, Meyerhof and Parnas. 28. The ultimate electron acceptor of respiration in an aerobic organism is A) Hydrogen. B) Glucose. C) Cytochrome. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 29. Fermentation enables glycolysis to continue under A) Anaerobic conditions. B) Photosynthetic conditions. C) Hydrophobic conditions. D) Aerobic conditions. Show Answer Correct Answer: A) Anaerobic conditions. 30. Berikut adalah faktor yang mempengaruhi laju transpirasi, KECUALI ..... A) Kelembaban udara. B) Kecepatan angin. C) Kadar nitrogen di udara. D) Ketersediaan air tanah. Show Answer Correct Answer: C) Kadar nitrogen di udara. 31. In ETC one molecule of FADH2 yields A) 1ATP. B) 2ATP. C) 3ATP. D) None of the above. Show Answer Correct Answer: B) 2ATP. 32. In ETC one molecule of NADH2 yields A) 1ATP. B) 2ATP. C) 3ATP. D) None of the above. Show Answer Correct Answer: C) 3ATP. 33. What is the primary purpose of respiration in plants? A) To produce glucose. B) To release energy. C) To absorb sunlight. D) To take in water. Show Answer Correct Answer: B) To release energy. 34. If oxygen supply is cut off after glycolysis, net ATP gain per glucose molecule will be A) 4. B) 6. C) 0. D) 2. Show Answer Correct Answer: D) 2. 35. What happens during respiration in plants? A) Carbon dioxide is taken in and oxygen is released. B) Oxygen is taken in and carbon dioxide is released. C) Only water vapor is released. D) Only glucose is taken in. Show Answer Correct Answer: B) Oxygen is taken in and carbon dioxide is released. 36. Kcal or kJ are commonly used units for energy released during respiration. Which of the following statement about these units is not true? A) 686 cal is about 2870 kJ. B) 1 cal is equal to 4.178J. C) 1 J is equal to 0.24 cal. D) Now a days J is being replaced by cal as unit of energy released in respiration. Show Answer Correct Answer: D) Now a days J is being replaced by cal as unit of energy released in respiration. 37. What product of the Krebs Cycle gets used in the Electron Transport Chain A) Water. B) ATP. C) Carbon Dioixde. D) NADH. Show Answer Correct Answer: D) NADH. 38. What is the primary gas taken in by plants during photosynthesis? A) Carbon dioxide. B) Hydrogen. C) Nitrogen. D) Oxygen. Show Answer Correct Answer: A) Carbon dioxide. 39. Statement A) leaf is the site for photosynthesis. Statement B) plants or trees respire through stomata only A) Both A and B are true. B) Both A and B are false. C) A Is false and B is true. D) A Is true and B is false. Show Answer Correct Answer: D) A Is true and B is false. 40. In plants, the energy that powers life activities produced by respiration is A) Heat. B) FADH2. C) ATP. D) NADH. Show Answer Correct Answer: C) ATP. 41. Lubang udara kecil yang timbul dan ditemukan di batang dan akar tumbuhan, yang memungkinkan terjadinya pertukaran gas antara tumbuhan dan udara di sekelilingnya disebut ..... A) Rambut akar. B) Lentisel. C) Stomata. D) Stroma. Show Answer Correct Answer: B) Lentisel. 42. How many FADH$_{2}$ molecules are produced by 1 molecule of glucose? A) 4. B) 3. C) 2. D) 1. Show Answer Correct Answer: C) 2. 43. Partial oxidation of glucose without the help of oxygen into pyruvic acid is known as A) Glycolysis. B) Kreb's cycle. C) ETS. D) All of these. Show Answer Correct Answer: A) Glycolysis. 44. What is the process called when glucose is broken down by oxygen to release energy in plants? A) Transpiration. B) Fermentation. C) Respiration. D) Photosynthesis. Show Answer Correct Answer: C) Respiration. 45. For the synthesis of Fatty acids, which of the following substrates will be used? A) BPGA. B) Pyruvic Acid. C) PGAL. D) Acetyl CoA. Show Answer Correct Answer: D) Acetyl CoA. 46. Which of the following processes makes direct use of oxygen? A) Electron transport. B) Glycolysis. C) Fermentation. D) Krebs citric acid cycle. Show Answer Correct Answer: A) Electron transport. 47. Substrate-level phosphorylation accounts for approximately what percentage of the ATP formed by the reactions of glycolysis? A) 100%. B) 2%. C) 10%. D) 0%. Show Answer Correct Answer: A) 100%. 48. Bone cells are present in spaces called A) Oesteocytes. B) Lacunae. C) Chondrocytes. D) Lumbar region. Show Answer Correct Answer: B) Lacunae. 49. When does photosynthesis take place in plants? A) Only during the day. B) Only at night. C) All the time. D) Only during the evening. Show Answer Correct Answer: A) Only during the day. 50. Which gas is used by seeds during respiration? A) Carbon dioxide. B) Oxygen. C) Hydrogen. D) Nitrogen. Show Answer Correct Answer: B) Oxygen. 51. What is the primary gas exchanged during gaseous exchange in plants? A) Nitrogen and hydrogen. B) Carbon dioxide (CO2) and oxygen (O2). C) Oxygen and nitrogen. D) Carbon monoxide and nitrogen. Show Answer Correct Answer: B) Carbon dioxide (CO2) and oxygen (O2). 52. Which of the following metabolites enter the TCA cycle during glucose oxidation? A) Acetyl CoA. B) Malic acid. C) Pyruvic acid. D) Oxaloacetic acid. Show Answer Correct Answer: A) Acetyl CoA. 53. Daun memiliki fungsi sebagai berikut, KECUALI ..... A) Tempat penyerapan air oleh stomata. B) Tempat pertukaran gas CO$_{2}$ dan O$_{2}$. C) Tempat terjadinya proses penguapan. D) Tempat terjadinya proses fotosintesis. Show Answer Correct Answer: A) Tempat penyerapan air oleh stomata. 54. R.Q is ratio of(a) CO$_{2}$ produced to substarate consumed(b) CO$_{2}$ produced to O$_{2}$ consumed(c) oxygen consumed to CO$_{2}$ produced(d) oxygen consumed to water produced A) (b) CO$_{2}$ produced to O$_{2}$ consumed. B) (c) oxygen consumed to CO$_{2}$ produced. C) A) CO$_{2}$ produced to substarate consumed. D) (c) oxygen consumed to CO$_{2}$ produced. Show Answer Correct Answer: A) (b) CO$_{2}$ produced to O$_{2}$ consumed. 55. GLUCOSE IS ..... CARBON MOLECULE A) 12. B) 1. C) 6. D) 24. Show Answer Correct Answer: C) 6. 56. Energy released while respiration is stored as? A) Energy. B) Adenosine triphosphate. C) Starch. D) Glucose. Show Answer Correct Answer: B) Adenosine triphosphate. 57. In humans, during excessive exercise when muscles become fatigued and activity cannot continue at the same intensity, what is the direct cause? A) Oxygen is insufficient so muscle cells respire anaerobically to produce lactic acid. B) Muscle cells cannot receive enough glucose, so aerobic respiration cannot occur. C) Muscles are poisoned by CO2, lacking ATP and water. D) Muscle cells cannot accept ATP. Show Answer Correct Answer: A) Oxygen is insufficient so muscle cells respire anaerobically to produce lactic acid. 58. Carbon dioxide readily dissolves in lime water A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 59. Electrons from NADH produced in the mitochondrial matrix during citric acid cycle are oxidised by:- A) Complex III. B) Complex II. C) Complex I. D) Complex IV. Show Answer Correct Answer: C) Complex I. 60. When zoomed into a leaf, we see a structure which can open and close for gaseous exchange in plants. A) Guard cell. B) Chloroplast. C) Stoma. D) Lenticel. Show Answer Correct Answer: C) Stoma. ← 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 3Class 11 Biology Chapter 14 Respiration In Plants Quiz 4Class 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