This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 14 Respiration In Plants – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 14 Respiration In Plants Quiz 15 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The stomata? A) To take in water. B) To trap sunlight. C) To take in gases. D) To give out food. Show Answer Correct Answer: C) To take in gases. 2. Cytochromes are concerned with ..... A) Protein synthesis. B) Cellulat digestion. C) Cell divition. D) Cellular respiration. Show Answer Correct Answer: D) Cellular respiration. 3. The end products of aerobic respiration can be water and carbon dioxide in A) Yeast. B) Plant cells. C) Methanogens. D) Both A and B. Show Answer Correct Answer: D) Both A and B. 4. What type of respiration occurs in germinating seeds? A) Anaerobic. B) Aerobic. C) Fermentation. D) Photosynthetic. Show Answer Correct Answer: B) Aerobic. 5. The process by which food is oxidized to produce carbon dioxide, water and release energy is called ..... A) Photosynthesis. B) Respiration. C) Nutrition. D) None of the above. Show Answer Correct Answer: B) Respiration. 6. The energy released in respiration process is ..... energy A) Physical. B) Chemical. C) Both physical and chemical. D) None. Show Answer Correct Answer: B) Chemical. 7. The first step of cellular respirations is A) Krebs cycle. B) ATP/ADP cycle. C) Glycolysis. D) ETC. Show Answer Correct Answer: C) Glycolysis. 8. Do roots find oxygen between soil particles? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. Warms and filters A) Nose. B) Stomach. C) Small intestine. D) Trachea. Show Answer Correct Answer: A) Nose. 10. The energy released in respiration is in the form of ..... molecule A) ATP. B) Adenosine triphosphate. C) Nitrogen. D) Both 1 and 2. Show Answer Correct Answer: D) Both 1 and 2. 11. The process through which ATP is synthesised by cells is called ..... A) Quantum yield. B) Phosphorylation. C) Fluorescence. D) Phosphorescence. Show Answer Correct Answer: B) Phosphorylation. 12. Photosynthesis happens during A) Night. B) Day. C) Both night and day. D) None. Show Answer Correct Answer: B) Day. 13. Why is there no gas exchange in plants at night? A) Photosynthesis stops. B) Respiration stops. C) Stomata close at night. D) Plants do not need gases at night. Show Answer Correct Answer: C) Stomata close at night. 14. The process through which respiration in plants takes place is called A) Osmosis. B) Diffusion. C) Defraction. D) None of the above. Show Answer Correct Answer: B) Diffusion. 15. NAD$^{+}$ is- A) A protein. B) An oxidising agent. C) A reducing agent. D) Formed under only aerobic conditions. Show Answer Correct Answer: B) An oxidising agent. 16. There are ..... kind of respiration. A) One. B) Two. C) Four. D) Three. Show Answer Correct Answer: B) Two. 17. Energy is produced by breaking down ..... A) Oxygen. B) Carbon dioxide. C) Glucose. D) Water. Show Answer Correct Answer: C) Glucose. 18. Which gas is absorbed by soda lime in the experiment? A) Oxygen. B) Nitrogen. C) Carbon dioxide ( $CO_2$. D) Hydrogen. Show Answer Correct Answer: C) Carbon dioxide ( $CO_2$. 19. What gas do animals need for aerobic respiration? A) Oxygen. B) Carbon Dioxide. C) Nitrogen. D) Water. Show Answer Correct Answer: A) Oxygen. 20. 1st 5 carbon compound of Kreb cycle also used in reductive amination during nitrogen fixation is A) Succinate. B) Succinyl-CoA. C) A-ketoglutarate. D) OAA. Show Answer Correct Answer: C) A-ketoglutarate. 21. How many molecules of O2 are used and how many CO2 comes out during the glycolytic breakdown of one glucose molecule? A) 1; 2. B) 2; 1. C) 0; 0. D) 36; 6. Show Answer Correct Answer: C) 0; 0. 22. What is the role of NAD+ in cellular respiration? A) It is a nucleotide source for ATP synthesis. B) It functions as an electron carrier. C) It functions as an enzyme. D) It is the final electron acceptor for anaerobicrespiration. Show Answer Correct Answer: B) It functions as an electron carrier. 23. What is the main gas absorbed from the atmosphere during respiration in plants? A) Carbon dioxide. B) Hydrogen. C) Nitrogen. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 24. What would happen if plants did not have enough carbon dioxide to engage in photosynthesis? A) Plants would be able to grow and produce oxygen for animals to breathe. B) Plants would be able to grow but would not be able to produce oxygen for animals to breathe. C) Plant would not be able to grow but would be able to produce oxygen for animals to breathe. D) Plants would not be able to grow and produce oxygen for animals to breathe. Show Answer Correct Answer: D) Plants would not be able to grow and produce oxygen for animals to breathe. 25. Which gas is primarily released by plants during respiration? A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) Hydrogen. Show Answer Correct Answer: B) Carbon dioxide. ← 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