This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 6 Respiration In Organisms – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 6 Respiration In Organisms Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In which organ is oxygen absorbed into the blood? A) Gills. B) Mouth. C) Nose. D) Stomata. Show Answer Correct Answer: A) Gills. 2. Exhaled air contains ..... % of oxygen and ..... % of carbondioxide. A) 21 and 0.04. B) 0.04 and 21. C) 16and 4.4. D) 4.4 and 16. Show Answer Correct Answer: C) 16and 4.4. 3. What is the energy currency of the cell produced during aerobic respiration? A) Glucose. B) Water. C) ATP. D) Carbon dioxide. Show Answer Correct Answer: C) ATP. 4. Which of the following organisms can respire anaerobically? A) [TO].Amoeba. B) [B]. Yeast. C) [100].Paramecium. D) [D]. Euglena. Show Answer Correct Answer: B) [B]. Yeast. 5. The oxygen used during respiration is provided by our A) Digestive system. B) Respiratory system. C) Circulatory system. D) None of the above. Show Answer Correct Answer: B) Respiratory system. 6. Glucose molecules store ..... A) Chemical energy. B) Kinetic energy. C) Gravitational potential energy. D) Heat energy. Show Answer Correct Answer: A) Chemical energy. 7. Which of the following animal can breathe through skin as well through lungs- A) Fish. B) Mammal. C) Cockroach. D) Frog. Show Answer Correct Answer: D) Frog. 8. What is Inhalation? A) The giving out of air rich in carbondi oxide is called inhalation. B) Taking in of air rich in carbondioxide is called inhalation. C) The takin in of air rich in oxygen into the body is called inhalation. D) The giving out of air rich in oxygen is called inhalation. Show Answer Correct Answer: C) The takin in of air rich in oxygen into the body is called inhalation. 9. Respiration takes place in A) The cells. B) The lungs. C) The heart. D) The brain. Show Answer Correct Answer: A) The cells. 10. What are tiny holes called in insects? A) Stomata. B) Gills. C) Spiracles. D) Pores. Show Answer Correct Answer: C) Spiracles. 11. Frogs breathe through there ..... A) Gills. B) Lungs. C) Skin. D) A and B. E) None of these. Show Answer Correct Answer: D) A and B. 12. The cell of which species has a cell wall? A) Human. B) Mosquito. C) Plant. D) Fish. Show Answer Correct Answer: C) Plant. 13. Yeast is used in wine industries because it respires. A) Aerobically producing oxygen. B) Aerobically producing alcohol. C) Anaerobically producing CO2. D) Anaerobically producing alcohol. Show Answer Correct Answer: D) Anaerobically producing alcohol. 14. The fishes have lungs for respirstions. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 15. Mycoplasma, Belonging to Kingdom Protista, Has: A) Cell wall. B) Cell wall and cell membrane. C) No cell wall only cell membrane. D) None of the above. Show Answer Correct Answer: C) No cell wall only cell membrane. 16. What is produced during anaerobic respiration in humans? A) Oxygen. B) Glucose. C) Carbon dioxide. D) Lactic acid. Show Answer Correct Answer: D) Lactic acid. 17. What is found around alveoli? A) Capillaries. B) Lymphatic nodes. C) Pleura. D) Saliva. Show Answer Correct Answer: A) Capillaries. 18. A series of chemical reactions that convert the energy in food molecules into a usable form of energy called ATP. A) Cellular Respiration. B) Cytoplasm. C) Mitochondria. D) Glycolysis. Show Answer Correct Answer: A) Cellular Respiration. 19. Which best describes respiration? A) A cell process that releases energy from food. B) A cell process that converts carbon dioxide into energy. C) A plant process where sunlight is converted into energy. D) A plant process where chlorophyll produces sugar energy. Show Answer Correct Answer: A) A cell process that releases energy from food. 20. Breathing involves inhalation and exhalation processes. During inhalation, ribs moves A) Downward and outward. B) Upward and inward. C) Downward and inward. D) Upward and outward. Show Answer Correct Answer: D) Upward and outward. 21. Name the organ of the body in which the blood is oxygenated A) Heart. B) Lungs. C) Kidney. D) Nostril. Show Answer Correct Answer: B) Lungs. 22. By what general name the organisms that live both is water and land called? A) Terrestrial organisms. B) Amphibian organisms. C) Aquatic organisms. D) Arboreal organisms. Show Answer Correct Answer: B) Amphibian organisms. 23. The breakdown of glucose occurs in the cells of an organism ( ..... respiration). A) CELLULAR. B) ORAL. C) All the above. D) None of the above. Show Answer Correct Answer: A) CELLULAR. 24. We can sense our breathing by observing with our hand at ..... A) Chest. B) Nose. C) All of them. D) Pulse. Show Answer Correct Answer: C) All of them. 25. In animals like cows buffaloes dog and cat the respiratory organs and the process is similar or different? A) Similar. B) Different. C) All the above. D) None of the above. Show Answer Correct Answer: A) Similar. ← 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 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 10Class 7 Science Chapter 6 Respiration In Organisms Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books