This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 14 Respiration In Plants – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 14 Respiration In Plants Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. AEROBIC RESPIRATION IS ASLO KNOWN AS ..... PHASE A) ANOXYBIOTIC. B) OXYBIOTIC. C) ABIOTIC. D) BIOTIC. Show Answer Correct Answer: B) OXYBIOTIC. 2. DURING COMPLETE BREAKDOWN OF GLUCOSE ..... NUMBERS OF ATP ARE PRODUCED A) 28. B) 38. C) 4. D) 2. Show Answer Correct Answer: B) 38. 3. Regarding fate of pyruvic acid1. Under aerobic conditions, pyruvate enters the mitochondria.2. Under anaerobic conditions, pyruvate is converted into ethanol and carbon dioxide in plants.3. Under anaerobic conditions in animals, pyruvate forms lactic acid. A) 1 and 2. B) 2 and 3. C) 1 and 3. D) 1, 2 and 3. Show Answer Correct Answer: D) 1, 2 and 3. 4. Which summary best reflects outputs of the Krebs cycle for two acetyl-CoA molecules? A) 2 Acetyl-CoA $\rightarrow$ 4 CO2 + 2 ATP + 6 NADH + 2 FADH2. B) 2 Pyruvic acid $\rightarrow$ 6 CO2 + 2 ATP + 10 NADH + 2 FADH2. C) 2 Pyruvic acid $\rightarrow$ 6 CO2 + 2 ATP + 10 NADH + 2 FADH2. D) 2 Acetyl-CoA $\rightarrow$ 6 CO2 + 2 ATP + 10 NADH + 2 FADH2. Show Answer Correct Answer: A) 2 Acetyl-CoA $\rightarrow$ 4 CO2 + 2 ATP + 6 NADH + 2 FADH2. 5. Is the smallest unit with the basic properties of life. A) Particle. B) Cell. C) Respiration. D) None of the above. Show Answer Correct Answer: B) Cell. 6. In glycolysis ultimately (or end product of glycolysis is) A) Glucose is converted into glycogen. B) Protein is converted into glucose. C) Starch is converted into glucose. D) Glucose is converted into pyruvic acid. Show Answer Correct Answer: D) Glucose is converted into pyruvic acid. 7. Which type of respiration produces the most energy A) Anaerobic. B) Aerobic. C) Both produce the same amount. D) None of the above. Show Answer Correct Answer: B) Aerobic. 8. Glycolysis is part of A) Only anaerobic respiration. B) Krebs cycle. C) Only aerobic respiration. D) Both aerobic and anaerobic respiration. Show Answer Correct Answer: D) Both aerobic and anaerobic respiration. 9. In which part of the day does respiration occur in plants? A) Only during the day. B) Only at night. C) Both day and night. D) Only during photosynthesis. Show Answer Correct Answer: C) Both day and night. 10. Plants can get along without respiratory organs because of all the following except: A) Each plant part takes care of its own gas exchange needs. B) Rate of respiration in root, stem, leaves is very low, hence no great demands for gas exchange. C) Gas diffusion in plants occurs easily over long distances in plants. D) Each living cell in a plant is located quite close to the surface of plant. Show Answer Correct Answer: C) Gas diffusion in plants occurs easily over long distances in plants. 11. WHEN GLUCOSE MOLECULE IS ANOXYBIOTICALLY BROKEN DOWN ..... IS RELEASED A) METHANOL. B) GLUCOSE. C) LACTIC ACID. D) ETHANOL. Show Answer Correct Answer: D) ETHANOL. 12. This name means that there are multiple layers of cells A) Simple. B) Columnar. C) Stratified. D) Pseudostratified. Show Answer Correct Answer: C) Stratified. 13. We have ..... bronchi in our lungs. A) 2. B) 1. C) 3. D) 4. Show Answer Correct Answer: A) 2. 14. Complete the reaction ..... + O$_{2}$ $\rightarrow$ CO$_{2}$ + ..... + Energy (a) C$_{6}$H$_{12}$O$_{6}$, 2H$_{2}$O (b) C$_{12}$H$_{22}$O$_{11}$, 6H$_{2}$O(c) C$_{6}$H$_{12}$O$_{6}$, 6H$_{2}$O(d) C$_{12}$H$_{22}$O$_{11}$, 11H$_{2}$O A) (a) C$_{6}$H$_{12}$O$_{6}$, 2H$_{2}$O. B) (b) C$_{12}$H$_{22}$O$_{11}$, 6H$_{2}$O. C) (d) C$_{12}$H$_{22}$O$_{11}$, 11H$_{2}$O. D) C) C$_{6}$H$_{12}$O$_{6}$, 6H$_{2}$O. Show Answer Correct Answer: D) C) C$_{6}$H$_{12}$O$_{6}$, 6H$_{2}$O. 15. During prolonged fastings, in what sequence are the following organic compounds used up by the body? A) First carbohydrates, next fats and lastly proteins. B) First fats, next carbohydrates and lastly proteins. C) First carbohydrates, next proteins and lastly lipids. D) First proteins, next lipids and lastly carbohydrates. Show Answer Correct Answer: A) First carbohydrates, next fats and lastly proteins. 16. What is the importance of the relationship between photosynthesis and respiration in plants? A) It helps in the production of oxygen and food. B) It is only important for plants. C) It has no importance. D) It helps in the production of carbon dioxide and water. Show Answer Correct Answer: A) It helps in the production of oxygen and food. 17. Which is required in glycolysis A) NADP+, ATP, GTP, Glucose, cytoplasmic enzymes. B) ATP, ADP, NAD+, Glucose, cytoplasmic enzymes. C) FAD+, ADP, ATP, Glucose, cytoplasmic enzymes. D) NAD+, NADP+, ATP, Glucose, cytoplasmic enzymes. Show Answer Correct Answer: B) ATP, ADP, NAD+, Glucose, cytoplasmic enzymes. 18. Oxidative decarboxylation of pyruvate produces how many NADH molecules per glucose molecule? A) 4. B) 1. C) 6. D) 2. Show Answer Correct Answer: D) 2. 19. Cell respiration is aerobic because ..... A) It produces oxygen gas in the electron transport chain. B) It produces water at the end of the electron transport chain. C) It is used to gives cell the energy needed to work. D) It uses oxygen gas in the electron transport chain. Show Answer Correct Answer: D) It uses oxygen gas in the electron transport chain. 20. How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to CO2 and H2O yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal? A) 2. B) 57. C) 1. D) 30. Show Answer Correct Answer: B) 57. 21. Transpiration is which type of process? A) Chemical Process. B) Physical Process. C) None of these. D) None of the above. Show Answer Correct Answer: B) Physical Process. 22. This whole scheme of transfer of electrons, starting from the PS II, uphill to the acceptor, down the electron transport chain to PS I is called ..... A) Electron transport system. B) Non-cyclic photophosphorylation. C) Oxidative phosphorylation. D) Cyclic photophosphorylation. Show Answer Correct Answer: B) Non-cyclic photophosphorylation. 23. In a plant, where is respiration most intense? A) Stems. B) Leaves. C) Flowers. D) Roots. Show Answer Correct Answer: D) Roots. 24. Which process occurs in plants both during the day and night? A) Photosynthesis. B) Respiration. C) Both photosynthesis and respiration. D) Neither photosynthesis nor respiration. Show Answer Correct Answer: B) Respiration. 25. What happens to the glucose produced in photosynthesis? A) It is converted into nitrogen. B) It is used to make cellulose and starch. C) It is stored as carbon dioxide. D) It is all released as oxygen. Show Answer Correct Answer: B) It is used to make cellulose and starch. 26. Which statement is wrong for Krebs' cycle? A) There is one point in the cycle where FAD$^{+}$ is reduced to FADH$_{2}$. B) There are three points in the cycle where NAD$^{+}$ is reduced to NADH + H$^{+}$. C) The cycle starts with condensation of acetyl group (acetyl CoA) with pyruvic acid to yield citric acid. D) During conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesised. Show Answer Correct Answer: C) The cycle starts with condensation of acetyl group (acetyl CoA) with pyruvic acid to yield citric acid. 27. ..... are minute openings present in leaves. A) Stomate. B) Chloroplast. C) Stomata. D) Neuron. Show Answer Correct Answer: C) Stomata. 28. What is the most liquid present in the blood A) Wbc. B) Plasma. C) Rbc. D) Hemoglobin. Show Answer Correct Answer: B) Plasma. 29. In earthworms oxygen and carbon dioxide are taken in and given out through the process of ..... A) Diffusion. B) Oxyflow. C) Absorption. D) None of the above. Show Answer Correct Answer: A) Diffusion. 30. Electron Transport System (ETS) is located in mitochondrial: A) Matrix. B) Inner membrane. C) Inter membrane space. D) Outer membrane. Show Answer Correct Answer: B) Inner membrane. 31. Gas exchange in plants takes place by the process of ..... A) Transpiration. B) Digestion. C) Diffusion. D) Absorption. Show Answer Correct Answer: C) Diffusion. 32. How many NADH + H+ is produced from 1 pyruvate? A) 2. B) 3. C) 6. D) 4. Show Answer Correct Answer: B) 3. 33. Stomata merupakan bagian daun yang berfungsi sebagai tempat keluar masuknya gas-gas yang berperan dalam proses fotosintesis dan respirasi. Stomata terletak pada jaringan ..... A) Xilem. B) Mesofil. C) Floem. D) Epidermis. Show Answer Correct Answer: D) Epidermis. 34. In which part of the cell does cellular respiration take place? A) Mitochondria. B) Nucleus. C) Cytoplasm. D) Endoplasmic reticulum. Show Answer Correct Answer: A) Mitochondria. 35. Which of the following molecule of respiratory pathway can be used to form fatty acid chains when needed? A) OAA. B) Pyruvic acid. C) Succinate. D) Acetyl CoA. Show Answer Correct Answer: D) Acetyl CoA. 36. What is the nature of seeds in Flask B (the control flask)? A) Boiled. B) Fresh. C) Dry. D) Germinating. Show Answer Correct Answer: A) Boiled. 37. The value of RQ is zero when respiratory substrate is A) Is present in less amount. B) Is Fats. C) Is incompletely oxidized. D) Is proteins. Show Answer Correct Answer: C) Is incompletely oxidized. 38. In plants, respiration is the process that A) Synthesizes organic compounds from $CO_2$ $H_2O$. B) Synthesizes organic compounds from $CO_2$ $H_2O$. C) Breaks down organic compounds into $CO_2$ $H_2O$. D) Breaks down organic compounds into $CO_2$ $H_2O$. Show Answer Correct Answer: C) Breaks down organic compounds into $CO_2$ $H_2O$. 39. Cellular respiration takes place through a single biochemical reaction. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 40. What is the function ofthe stomata? A) To trap sunlight. B) To take in gases. C) To take in water. D) To give out food. Show Answer Correct Answer: B) To take in gases. 41. How many ATPs molecules are produced in aerobic respiration? A) 38. B) 76. C) 23. D) 45. Show Answer Correct Answer: A) 38. 42. True or False? "Aerobic respiration occurs in plants and animals all of the time." A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 43. An extremely small amount of something A) Cell. B) Particle. C) All the above. D) None of the above. Show Answer Correct Answer: B) Particle. 44. Which connective tissue stores fat cells? A) Epidermis. B) Adipose. C) Tendons. D) Ligaments. Show Answer Correct Answer: B) Adipose. 45. Q3)AEROBIC RESPIRATION IS ASLO KNOWN AS ..... PHASE. A) ABIOTIC. B) OXYBIOTIC. C) ANOXYBIOTIC. D) BIOTIC. Show Answer Correct Answer: B) OXYBIOTIC. 46. ..... is a muscular bag like structure. A) Urethra. B) Ureters. C) Urinary bladder. D) Kidneys. Show Answer Correct Answer: C) Urinary bladder. 47. Cells require glucose and ..... to undergo respiration A) Soil. B) Water. C) Carbon dioxide. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 48. Q1). LIVING ORGANISMS SHOW TWO TYPES OF ..... ACTIVITIES. A) Carbolic. B) Catabolic. C) Metabolic. D) Anabolic. Show Answer Correct Answer: C) Metabolic. 49. How does the rate of respiration in plants compare to animals? A) Animals have a slower rate of respiration than plants. B) Plants and animals have the same rate of respiration. C) Plants have a slower rate of respiration than animals. D) Plants have a faster rate of respiration than animals. Show Answer Correct Answer: C) Plants have a slower rate of respiration than animals. 50. How many ATP molecules are formed from one molecule of acetyl CoA in Krebs cycle excluding electron transport chain? A) 6. B) 5. C) 33. D) 3. Show Answer Correct Answer: D) 3. 51. Total number of NADH produced during complete oxidation of one glucose molecule is A) 6. B) 8. C) 10. D) 12. Show Answer Correct Answer: C) 10. 52. RQ is less than one at the time of respiration of A) Groundnut. B) Starch. C) Glucose. D) Sugarcane. Show Answer Correct Answer: A) Groundnut. 53. Which part of aerobic respiration makes the most ATP? A) Calvin Cyle. B) Krebs Cycle. C) Glycolysis. D) Electron Transport Chain. Show Answer Correct Answer: D) Electron Transport Chain. 54. C6H12O6 + 6O2$\rightarrow$ 6CO2 + 6H2O + energy (ATP) The equation above represents which chemical reaction? A) Photosynthesis. B) Cellular respiration. C) Digestion. D) Breathing. Show Answer Correct Answer: B) Cellular respiration. 55. The tiny hair like structure are called ..... A) Aerial roots. B) Root hairs. C) Lenticles. D) Stomata. Show Answer Correct Answer: B) Root hairs. 56. What are the reactants for cell respiration? A) Carbon dioxide and water. B) Carbon dioxide and glucose. C) Glucose and water. D) Glucose and oxygen gas. Show Answer Correct Answer: D) Glucose and oxygen gas. 57. Which organ of a plant is specialized for photosynthesis? A) Flower. B) Leaf. C) Chloroplast. D) Palisade Mesophyll. Show Answer Correct Answer: B) Leaf. 58. Which of the following muscle has been tapered at both ends A) Chest muscle. B) Striated muscle. C) Cardiac muscle. D) Non striated muscle. Show Answer Correct Answer: D) Non striated muscle. 59. Krebs Cycle takes place in the: A) InterMembrane Space. B) Matrix. C) Ribsome. D) Cytoplasm. Show Answer Correct Answer: B) Matrix. 60. The kidneys are made up of tubular units called: A) Nephrons. B) Glomerulus. C) Neurons. D) Capillaries. Show Answer Correct Answer: A) Nephrons. ← PreviousNext →Related QuizzesScience QuizzesClass 11 QuizzesClass 11 Biology Chapter 14 Respiration In Plants Quiz 1Class 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 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