This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 6 Respiration In Organisms – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 6 Respiration In Organisms Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Cockroaches has network of respiratory tubes called A) Trachea. B) Longitudinal tube. C) Trachioles. D) Stigmata. Show Answer Correct Answer: A) Trachea. 2. The process of releasing are out from the body is called A) Inhalation. B) Exhalation. C) Respiration. D) Breathing. Show Answer Correct Answer: B) Exhalation. 3. Which organelle does Cellular Respiration occur in? A) Nucleus. B) Mitochondria. C) Chloroplasts. D) Cytoplasm. Show Answer Correct Answer: B) Mitochondria. 4. What is the green pigment that "traps" sunlight? A) Chlorophyll. B) Chloroplasts. C) Photosynthesis. D) ATP. Show Answer Correct Answer: A) Chlorophyll. 5. Organism which respires in the absences of oxygen is called a/an A) Microbe. B) Anaerobic. C) Aerobic. D) None of these. Show Answer Correct Answer: B) Anaerobic. 6. Respiration in Amoeba is by the process of ..... A) Symbiosis. B) Binary fission. C) Diffusion. D) Multiple fission. Show Answer Correct Answer: C) Diffusion. 7. What happens when your diaphragm relaxes and moves upward? A) Your lungs deflate and you breathe out. B) Your lungs inflate and you breathe in. C) Your alveoli transfer oxygen to your bloodstream. D) Your bloodstream transfers carbon dioxide to your alveoli. Show Answer Correct Answer: A) Your lungs deflate and you breathe out. 8. Respiration is essential for survival of living organisms. It releases energy from the food A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. Mitosis consists of all of the following, except ..... A) Prophase. B) Middle Phase. C) Telophase. D) Anaphase. Show Answer Correct Answer: B) Middle Phase. 10. The process of respiration in plants occurs A) When stomata are open. B) Only when photosynthesis stops. C) Only one photosynthesis in progress. D) All the time. Show Answer Correct Answer: D) All the time. 11. Normal range of Breathing rate per minute in an average adult person at rest is: A) 15-18. B) 30-33. C) 21-24. D) 9-12. E) None of the option. Show Answer Correct Answer: A) 15-18. 12. Which of the following is not a part of the human respiratory system? A) Lungs. B) Oesophagus. C) Trachea. D) Diaphragm. Show Answer Correct Answer: B) Oesophagus. 13. Identify all of the products of cellular respiration: A) Glucose and Oxygen. B) Carbon Dioxide and Water. C) Carbon Dioxide, Water, and ATP. D) Oxygen, Water, and Glucose. Show Answer Correct Answer: C) Carbon Dioxide, Water, and ATP. 14. What is the process by which oxygen is taken in and carbon dioxide is given out by the human body? A) Digestion. B) Photosynthesis. C) Excretion. D) Respiration. Show Answer Correct Answer: D) Respiration. 15. Glucose in presence of oxygen gives ..... and Glucose in absence of oxygen gives ..... A) Carbon dioxide + water + energy; lactic acid + water + energy. B) Carbon dioxide + energy; lactic acid + energy. C) Carbon dioxide + water + energy; lactic acid + energy. D) None of the above. Show Answer Correct Answer: C) Carbon dioxide + water + energy; lactic acid + energy. 16. Water and ..... are two waste products that are given off during the second step of cellular respiration. A) Oxygen. B) Glycolysis. C) Carbon dioxide. D) Chlorophyll. Show Answer Correct Answer: C) Carbon dioxide. 17. Energy from the sun is converted by plants and stored as ..... A) Energy. B) Oxygen. C) Sugar. D) Carbon dioxide. Show Answer Correct Answer: C) Sugar. 18. Water is taken in through which part of a plant? A) Leaves. B) Stomata. C) Roots. D) Chloropasts. Show Answer Correct Answer: C) Roots. 19. What is the function of the hair in the nose? A) To secrete mucus. B) To trap dust particles. C) To protect the mucus glands. D) None of these. Show Answer Correct Answer: B) To trap dust particles. 20. ..... is released during anaerobic respiration in muscle cells A) Carbon dioxide and water. B) Lactic acid. C) Oxygen. D) Lactic acid and water. Show Answer Correct Answer: B) Lactic acid. 21. The efficiency of energy transfer from a lower trophic level to the next highest level is roughly A) 1%. B) 10%. C) 100%. D) 1000%. Show Answer Correct Answer: B) 10%. 22. During the process of exhalation, the ribs move A) (a) down and inwards. B) (b) up and inwards. C) (c) down and outwards. D) None of the above. Show Answer Correct Answer: A) (a) down and inwards. 23. Which of the following organisms does not have a specialised respiratory system? A) Frog. B) Grasshopper. C) Paramecium sp. D) Snake. Show Answer Correct Answer: C) Paramecium sp. 24. Identify all of the products of photosynthesis A) Glucose. B) Water and Glucose. C) Glucose and Oxygen. D) Oxygen and Carbon Dioxide. Show Answer Correct Answer: C) Glucose and Oxygen. 25. In which organism(s) does respiration occur? A) Plants. B) Animals. C) Fungus. D) All of these. Show Answer Correct Answer: D) All of these. ← 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 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