This quiz works best with JavaScript enabled. Home > Class 11 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... are bean shaped. A) Urinary bladder. B) Ureters. C) Urethra. D) Kidneys. Show Answer Correct Answer: D) Kidneys. 2. What process in plants releases oxygen into the atmosphere? A) Respiration. B) Transpiration. C) Photosynthesis. D) Germination. Show Answer Correct Answer: C) Photosynthesis. 3. In plants, which organ performs respiration? A) All organs. B) Roots. C) Stems. D) Leaves. Show Answer Correct Answer: A) All organs. 4. If a plant is under starvation condition, the value of RQ will be A) More than 1. B) Less than 1. C) 1. D) None of the above. Show Answer Correct Answer: B) Less than 1. 5. Two different species of bacteria are examined. Scientists find that species X always produces CO2 and H2O during cellular respiration. Species Y always produces ethyl alcohol and CO2. Which conclusion can be made from these observations? A) Only species Y is aerobic. B) Only species Y is anaerobic. C) Both species X and Y are aerobic. D) Both species X and Y are anaerobic. Show Answer Correct Answer: B) Only species Y is anaerobic. 6. What does the plant release during the photosynthesis? A) Oxygen. B) Carbon. C) Carbon dioxide. D) None of the above. Show Answer Correct Answer: A) Oxygen. 7. The complete breakdown of glucose happens in the ..... A) Lenticels. B) Cytoplasm. C) Mitochondria. D) Energy currency of the cell. Show Answer Correct Answer: C) Mitochondria. 8. Which enzyme catalyses the reaction below? Pyruvic acid $\rightarrow$ Carbon dioxide + Ethanol(a) Pyruvic acid decarboxylase(b) Alcohol dehydrogenase(c) None of these(d) Both of these A) Both of these. B) Pyruvic acid decarboxylase. C) Alcohol dehydrogenase. D) None of these. Show Answer Correct Answer: A) Both of these. 9. The accumulation of protons during mitochondrial ETS occurs in A) Matrix. B) Stroma. C) Cristae. D) Intermembrane space. Show Answer Correct Answer: D) Intermembrane space. 10. Which is not a product of cellular respiration? A) Oxygen. B) Carbon dioxide. C) Water. D) ATP. Show Answer Correct Answer: A) Oxygen. 11. Which of the following is not an electron carrier in the Electron transport system in Respiration? A) Cyt b. B) UQ. C) Cyt a. D) O2. Show Answer Correct Answer: D) O2. 12. How many ATP molecules are formed directly (substrate-level) during complete aerobic respiration of one glucose molecule? A) 2. B) 4. C) 6. D) 8. Show Answer Correct Answer: B) 4. 13. How is respiration in plants different from photosynthesis? A) Respiration only happens at night, while photosynthesis happens during the day and night. B) Respiration occurs all the time, while photosynthesis only happens in the presence of light. C) Respiration and photosynthesis both require sunlight to occur. D) Respiration and photosynthesis both release oxygen as a product. Show Answer Correct Answer: B) Respiration occurs all the time, while photosynthesis only happens in the presence of light. 14. A splinter goes out in the experiment due to the absence of which gas? A) Carbon dioxide. B) Oxygen. C) Nitrogen. D) Hydrogen. Show Answer Correct Answer: B) Oxygen. 15. Which of the following is correct for Krebs cycle? A) It is also known as EMP pathway. B) It occurs in mitochondrial matrix. C) Succinic dehydrogenase enzyme is found in matrix of mitochondria. D) In one turn of it, 10 ATP equivalents are formed. Show Answer Correct Answer: B) It occurs in mitochondrial matrix. 16. What acidic gas do plants produce in aerobic respiration? A) Oxygen. B) Carbon Dioxide. C) Nitrogen. D) Water. Show Answer Correct Answer: B) Carbon Dioxide. 17. How many molecules of pyruvic acid are formed from one molecule of glucose during glycolysis? A) One. B) Two. C) Three. D) Four. Show Answer Correct Answer: B) Two. 18. Excess water isn't removed in the form of urine and sweat. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 19. Respiration and photosynthesis are a reverse of each other, but also complementary to each other. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. The process of evaporation of water from aerial parts of the plants like leaves, stems, and flowers is known as 'transpiration'. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 21. Q4). ANAEROBIC RESPIRATION IS ALSO KNOWN AS ..... PHASE. A) ANOXYBIOTIC. B) OXYBIOTIC. C) BIOTIC. D) ABIOTIC. Show Answer Correct Answer: A) ANOXYBIOTIC. 22. Glycolysis is the first step of respiration. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. The marker enzyme for the mitochondrial cell organelle is responsible for A) Oxidizing FADH$_{2}$. B) Conversion of succinate to fumarate. C) Condensation of acetyl CoA and OAA. D) Both A and B. Show Answer Correct Answer: D) Both A and B. 24. Dicots seed A) Bean. B) Peanut. C) Cucumber. D) Corn. Show Answer Correct Answer: A) Bean. 25. Sphincter muscles are ..... muscles. A) Circular. B) Oval. C) Square. D) Irregular. Show Answer Correct Answer: A) Circular. ← PreviousNext →Related 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 9Class 11 Biology Chapter 14 Respiration In Plants Quiz 10Class 11 Biology Chapter 14 Respiration In Plants Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books