This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 6 Respiration In Organisms – Quiz 26 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 6 Respiration In Organisms Quiz 26 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Terrestrial organisms use the oxygen in the atmosphere for respiration. True or False? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. In exhalation, A) I. oxygen is 0%. B) Ii. carbon dioxide is 100%. C) Iii. carbon dioxide is 4.4%. D) Both (i) and (ii). Show Answer Correct Answer: C) Iii. carbon dioxide is 4.4%. 3. Badal appeared in class test but he confused to know the incorrect statement. Would you help him to know that? A) . Respiration is a kind of slow burning or slow combustion of food at ordinary temperature to produce energy. B) . The process of respiration is the similar process as of photosynthesis. C) . The process of breakdown of food in the cells of the body with the release of energy is called respiration. D) . None of the above. Show Answer Correct Answer: B) . The process of respiration is the similar process as of photosynthesis. 4. Which of these is not true about cellular respiration? A) It releases energy. B) It occurs only during the day. C) It utilizes oxygen and liberates carbon dioxide. D) It occurs in most plants and animals. Show Answer Correct Answer: B) It occurs only during the day. 5. What gas is released into the air during cellular respiration? A) Oxygen. B) Carbon dioxide. C) Water. D) Glucose. Show Answer Correct Answer: B) Carbon dioxide. 6. Cockroaches breathe through A) Spiricals. B) Skin. C) Lungs. D) Other. Show Answer Correct Answer: A) Spiricals. 7. Breaking down of pyruvate using oxygen takes place in ..... A) Mitochondria. B) Cytoplasm. C) Muscles. D) None of the above. Show Answer Correct Answer: A) Mitochondria. 8. Does the root cells of plants need oxygen to generate energy? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. There is no respiration in frog. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 10. What is the role of haemoglobin in respiration? A) To transport oxygen in the blood. B) To break down glucose. C) To absorb carbon dioxide. D) To release energy. Show Answer Correct Answer: A) To transport oxygen in the blood. 11. The rotting dead matter in the soil is called A) Sandy Soil. B) Loamy Soil. C) Humus. D) None of these. Show Answer Correct Answer: C) Humus. 12. Mitochondrial component connected with ATP synthesis A) Inner membrane. B) Outer membrane. C) Matrix. D) F$_{0}$-F$_{1}$ particles. Show Answer Correct Answer: D) F$_{0}$-F$_{1}$ particles. 13. The process which involves the exchange of gases is called ..... A) Respiration. B) Circulation. C) Digestion. D) Breathing. Show Answer Correct Answer: D) Breathing. 14. What is anaerobic respiration? A) Anaerobic respiration requires oxygen to produce energy. B) Anaerobic respiration occurs only in plants during photosynthesis. C) Anaerobic respiration is the same as aerobic respiration. D) Anaerobic respiration is the process of producing energy without oxygen. Show Answer Correct Answer: D) Anaerobic respiration is the process of producing energy without oxygen. 15. Cells use ..... produced from cellular respiration A) Amino acids. B) Energy. C) Glucose. D) Carbon dioxide. Show Answer Correct Answer: B) Energy. 16. What is the role of oxygen in respiration? A) Oxygen is used to break down glucose and produce energy in the form of ATP. B) Oxygen is used to produce carbon dioxide. C) Oxygen is used to produce sunlight. D) Oxygen is used to produce water. Show Answer Correct Answer: A) Oxygen is used to break down glucose and produce energy in the form of ATP. 17. A large muscular sheet is called A) Nasal cavity. B) Chest cavity. C) Diaphragm. D) Atria. Show Answer Correct Answer: C) Diaphragm. 18. Respiration is a process in which oxidation of ..... takes place. A) CO2. B) Water. C) Food. D) Glucose. Show Answer Correct Answer: D) Glucose. 19. Exchange of gases in the lungs take place in A) Diaphragm. B) Bronchi. C) Alveoli. D) Riba. Show Answer Correct Answer: C) Alveoli. 20. A potted plant grow towards ..... A) Sound. B) Light. C) Darkness. D) None of the above. Show Answer Correct Answer: B) Light. 21. In muscle cells, the end product of anaerobic respiration is A) Carbon dioxide. B) Lactic acid. C) Ethanol. D) Water. Show Answer Correct Answer: B) Lactic acid. 22. What happens to lime water, when we exhale air into it? A) Remains same. B) Turns blue. C) Turns milky. D) Becomes colourless. Show Answer Correct Answer: C) Turns milky. 23. Which of the following is not happening during inhalation? A) The diaphragm contracts. B) The rib cage rises up. C) Expands the volume of the chest cavity. D) Diaphragm is relaxing. Show Answer Correct Answer: D) Diaphragm is relaxing. 24. True or FalseCellular respiration is different from photosynthesis because of raw material and products; photosynthesis takes place in plants, but cellular respiration takes place in plant and animal cells A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 25. Can cell respiration occur in plants? A) Always. B) Never. C) Sometimes. D) None of the above. Show Answer Correct Answer: C) Sometimes. ← PreviousNext →Related QuizzesClass 7 Science Chapter 6 Respiration In Organisms Quiz 1Class 7 Science Chapter 6 Respiration In Organisms Quiz 2Class 7 Science Chapter 6 Respiration In Organisms Quiz 3Class 7 Science Chapter 6 Respiration In Organisms Quiz 4Class 7 Science Chapter 6 Respiration In Organisms Quiz 5Class 7 Science Chapter 6 Respiration In Organisms Quiz 6Class 7 Science Chapter 6 Respiration In Organisms Quiz 7Class 7 Science Chapter 6 Respiration In Organisms Quiz 8Class 7 Science Chapter 6 Respiration In Organisms Quiz 9Class 7 Science Chapter 6 Respiration In Organisms Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books