This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 6 Respiration In Organisms – Quiz 32 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 6 Respiration In Organisms Quiz 32 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Your lung is part of the ..... system ..... A) Digestive. B) Respiratory. C) Circulatory. D) Skeletal. Show Answer Correct Answer: B) Respiratory. 2. Name the two body parts that work together to force air IN and OUT of the body: A) Lungs and trachea. B) Rib cage and diaphragm. C) Rib cage and nasal passage. D) Diaphragm and nasal passage. Show Answer Correct Answer: B) Rib cage and diaphragm. 3. The size of the chest cavity increase during exhalation A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 4. The output/products of cellular respiration are- A) Glucose, hemoglobin, and water. B) Glucose, energy and carbon dioxide. C) Unicorn farts. D) Carbon dioxide, energy and water. Show Answer Correct Answer: D) Carbon dioxide, energy and water. 5. Which of the following is formed in the human body when oxygen supply is not enough to meet the body's need for extra energy? A) Lactic acid. B) Fatty acid. C) Carbonic acid. D) Uric acid. Show Answer Correct Answer: A) Lactic acid. 6. From where do autotrophs obtain their energy? A) The sun. B) Other organisms. C) All the above. D) None of the above. Show Answer Correct Answer: A) The sun. 7. Fish and crabs have ..... as respiratory organs A) Skin. B) Lungs. C) Gills. D) None of the above. Show Answer Correct Answer: C) Gills. 8. Cellular respiration is a complex process that occurs in which organelle? A) Nucleus. B) Mitochondrion. C) Chloroplast. D) Ribosome. Show Answer Correct Answer: B) Mitochondrion. 9. The most likely organism to be used in bread making is: A) Bacteria. B) Aspergilles. C) Yeast. D) Paramecium. Show Answer Correct Answer: C) Yeast. 10. Which type of respiration needs oxygen? A) Aerobic Respiration. B) Anaerobic Respiration. C) Both Aerobic and Anaerobic Respiration. D) None of these. Show Answer Correct Answer: A) Aerobic Respiration. 11. ..... is essential for survival of living organisms. A) Inhalation. B) Exhalation. C) Respiration. D) None of this. Show Answer Correct Answer: C) Respiration. 12. Which organ excretes carbon dioxide? A) Lungs. B) Liver. C) Heart. D) Kidney. Show Answer Correct Answer: A) Lungs. 13. Grasshopper breathes through A) Stomata. B) Air holes. C) Skin. D) Lungs. Show Answer Correct Answer: B) Air holes. 14. Which of the following is respiration in absence of oxygen. A) Aerobic respiration. B) Anaerobic respiration. C) None of above. D) Both of them. Show Answer Correct Answer: B) Anaerobic respiration. 15. Roots absorb air from A) Water. B) Sunlight. C) Soil. D) None of the above. Show Answer Correct Answer: C) Soil. 16. What is produced during the breakdown of glucose? A) Carbon dioxide. B) Oxygen. C) Lactic acid. D) All above. Show Answer Correct Answer: C) Lactic acid. 17. Windpipe is also called as A) Larynx. B) Pharynx. C) Trachea. D) Bronchi. Show Answer Correct Answer: C) Trachea. 18. The body of a living organism is made up of systems that work together in harmony. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. What are the openings called, which are present on the side of cockroaches body? A) Trachea. B) Spiracle. C) Root hair. D) None of the above. Show Answer Correct Answer: B) Spiracle. 20. What are the consequences of air pollution on the oxygen cycle? A) No impact on the oxygen cycle. B) Enhanced oxygen absorption by the atmosphere. C) Decreased oxygen production by plants and phytoplankton. D) Increased oxygen production by plants and phytoplankton. Show Answer Correct Answer: C) Decreased oxygen production by plants and phytoplankton. 21. The respiratory organs in cockroach are A) Lungs. B) Gills. C) Lenticles. D) Spiracles. Show Answer Correct Answer: D) Spiracles. 22. If a potted plant is over watered, the roots will: A) Grow. B) Dry. C) Die. D) None of these. Show Answer Correct Answer: C) Die. 23. Blood and heart ducts are found in the system ..... blood vessels and heart are in the ..... system A) RespirasiRespiration. B) Transport transportation. C) Nerveravous. D) None of the above. Show Answer Correct Answer: B) Transport transportation. 24. Which organism go through cellular respiration? A) Animals. B) Plants. C) Both animals and plants. D) None. Show Answer Correct Answer: C) Both animals and plants. 25. True or False. All forms of life use ATP Energy for cellular functions. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. ← 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