This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 14 Respiration In Plants – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 14 Respiration In Plants Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is a reactant for aerobic respiration? A) ATP. B) Carbon Dioxide. C) Glucose. D) Water. Show Answer Correct Answer: C) Glucose. 2. Besides water, the urine mainly contains: A) Urea. B) Nitric acid. C) Glucose. D) Bile pigments. Show Answer Correct Answer: A) Urea. 3. ..... is the synthesis of ATP from ADP and inorganic phosphate in the presence of light. A) Oxidative phosphorylation. B) Photophosphorylation. C) Quantum yield. D) Uphill transport. Show Answer Correct Answer: B) Photophosphorylation. 4. Averege heart rate A) 12-20. B) 60-70. C) 72-80. D) 73-80. Show Answer Correct Answer: C) 72-80. 5. Breathing generates energy A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 6. Which of the following junction cements the neighbouring cells? A) Tight junction. B) Adhering junction. C) Gap junction. D) None of the above. Show Answer Correct Answer: B) Adhering junction. 7. Respiratory quotient of carbohydrates is(a) 0.9(b) 1.2(c) 1(d) 0 A) 0.9. B) 1.2. C) 1. D) 0. Show Answer Correct Answer: C) 1. 8. When a ..... is a respiratory substrate, the R.Q is 0.7 A) Protein. B) Carbohydrate. C) Fat. D) Glucose. Show Answer Correct Answer: C) Fat. 9. Which of the following is not a type of tissue? A) Epithelial tissue. B) Connective tissue. C) Cardiac tissue. D) Neural tissue. Show Answer Correct Answer: C) Cardiac tissue. 10. Bean shaped structure in stomata are called A) Epidermal cells. B) Stoma. C) Guard cells. D) Chloroplast. Show Answer Correct Answer: C) Guard cells. 11. When the alcohol concentration reaches about ..... percent during fermentation, the yeast cells are poisoned to death. A) 13%. B) 12%. C) 23%. D) 31%. Show Answer Correct Answer: A) 13%. 12. Pyruvate dehydrogenase activity during aerobic respiration requires: A) Calcium. B) Iron. C) Cobalt. D) Magnesium. Show Answer Correct Answer: D) Magnesium. 13. How many decarboxylation reaction occurs in a 1 round of Kreb cycle? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 14. 1st step (reaction) of glycolysis is- A) Oxidative step. B) Reductive step. C) Endergonic. D) Exergonic. Show Answer Correct Answer: C) Endergonic. 15. After the Krebs cycle, which products feed into the electron transport chain? A) NADH and FADH2. B) ATP and NADH. C) NADH only. D) ATP only. Show Answer Correct Answer: A) NADH and FADH2. 16. What is the overall equation for aerobic respiration in animals? A) Oxygen + Water $\rightarrow$ Glucose + Carbon Dioxide + Energy (ATP). B) Glucose + Oxygen $\rightarrow$ Carbon Dioxide + Water + Energy (ATP). C) Glucose + Carbon Dioxide $\rightarrow$ Oxygen + Water + Energy (ATP). D) Carbon Dioxide + Water $\rightarrow$ Glucose + Oxygen + Energy (ATP). Show Answer Correct Answer: B) Glucose + Oxygen $\rightarrow$ Carbon Dioxide + Water + Energy (ATP). 17. During aerobic respiration ..... ATP molecules are produced. A) 38. B) 2. C) 32. D) 8. Show Answer Correct Answer: A) 38. 18. Conversion of glucose to glucose-6-phosphate during glycolysis consumes ATP and is catalysed by phosphofructokinase. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 19. Which of the following process make direct use of oxygen A) Glycolysis. B) Fermentation. C) Electron transport. D) Krebs citric acid cycle. Show Answer Correct Answer: C) Electron transport. 20. The final acceptor of electrons in ETC A) Oxygen. B) Water. C) Cytochrome c. D) None of the above. Show Answer Correct Answer: A) Oxygen. 21. ..... is called the energy currency of the cell. A) ALL OF THE BELOW. B) ASAP(Adenosine Triphosphate). C) AFP (Adenosine Triphosphate). D) ATP (Adenosine Triphosphate). Show Answer Correct Answer: D) ATP (Adenosine Triphosphate). 22. During which time of the day do plants perform both photosynthesis and respiration? A) Day (light). B) Night (dark). C) Both day and night. D) Neither day nor night. Show Answer Correct Answer: A) Day (light). 23. Incomplete oxidation of glucose into pyruvic acid with several intermediate steps is know as(a) TCA pathway(b) Lactic acid pathway (c) Hms pathway(d) Glycolysis A) Glycolysis. B) TCA pathway. C) Lactic acid pathway. D) Hms pathway. Show Answer Correct Answer: A) Glycolysis. 24. When a molecule of pyruvic acid is subjected to fermentation and forms lactic acid, there is A) Gain of 2 ATP. B) Loss of 3 ATP. C) Loss of 6 ATP. D) Gain of 3 ATP. Show Answer Correct Answer: B) Loss of 3 ATP. 25. The RQ of most preferable respiratory substrate is A) 1. B) >1. C) <1. D) Data Insufficient. Show Answer Correct Answer: A) 1. ← PreviousNext →Related 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 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 9Class 11 Biology Chapter 14 Respiration In Plants Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books