This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 6 Respiration In Organisms – Quiz 43 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 6 Respiration In Organisms Quiz 43 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When we inhale air, the ribs A) Stay's at rest position. B) None of these. C) Moves inwards. D) Moves outwards. Show Answer Correct Answer: D) Moves outwards. 2. Which is the main part in the process of respiration in plants? A) Chloroplasts. B) Nucleus. C) Leaves. D) Soil. Show Answer Correct Answer: C) Leaves. 3. How can individuals contribute to maintaining the balance of the oxygen cycle? A) Planting trees and supporting conservation efforts. B) Dumping waste into water bodies. C) Using more fossil fuels. D) Cutting down all the trees. Show Answer Correct Answer: A) Planting trees and supporting conservation efforts. 4. The food that provides us with quick energy is A) Starch. B) Glucose. C) Protein. D) Fat. Show Answer Correct Answer: B) Glucose. 5. The process of taking air into the body is ..... and releasing out of the body is called ..... A) Inhalation and exhalation. B) Exhalation and inhalation. C) None. D) Breathing. Show Answer Correct Answer: A) Inhalation and exhalation. 6. Anaerobic respiration does not require oxygen A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 7. Where does cellular respiration occur in cells? A) Cell membrane. B) Mitochondria. C) Cytoplasm. D) Nucleus. Show Answer Correct Answer: B) Mitochondria. 8. In Anaerobic Respiration, the complete breakdown of glucose occurs by the supply of what? A) Oxygen. B) Carbon Dioxide. C) Nitrogen. D) Water. Show Answer Correct Answer: A) Oxygen. 9. The percentage of carbon dioxide is higher in exhaled air in comparison to inhaled air. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. Arteries carry the blood A) Away from the heart. B) Towards the heart. C) Nowhere. D) None of these. Show Answer Correct Answer: A) Away from the heart. 11. When you breathe, your lungs take in ..... and release ..... A) Air/oxygen. B) Oxygen/carbon dioxide. C) Carbon dioxide/waste. D) Waste/air. Show Answer Correct Answer: B) Oxygen/carbon dioxide. 12. Breathing rate of a normal human being is A) 15-18 breath/min. B) 25 breath/min. C) 15-18 breath/hour. D) 25 breath / hour. Show Answer Correct Answer: A) 15-18 breath/min. 13. Which of the following things need food? A) Book. B) Bottle. C) Pencil. D) Bird. Show Answer Correct Answer: D) Bird. 14. An object moving in a straight line with a constant speed is said to be in A) Uniform Motion. B) Straight Line. C) Curved Line. D) Non-uniform Motion. Show Answer Correct Answer: A) Uniform Motion. 15. Cells do cell respiration in order to make A) Water. B) Glucose. C) Energy. D) Oxygen. Show Answer Correct Answer: C) Energy. 16. How does matter move through these systems (photosynthesis and respiration) A) Matter changes form as it moves. B) Matter is recycled as the atoms are rearranged in to different molecules. C) Matter starts as Sunlight and moves to ATP. D) The amount of matter decreases as it moves through the system. Show Answer Correct Answer: B) Matter is recycled as the atoms are rearranged in to different molecules. 17. Which of the following refers to the studying of how living organisms interact with their environments? A) Symbiosis. B) Community. C) Niche. D) Ecology. Show Answer Correct Answer: D) Ecology. 18. Each alveolus in the lungs is surrounded by a number of blood vessels A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. When we breathe in, our chest moves A) Upward and outward. B) Inward and downward. C) Upward and downward. D) Inward and outward. Show Answer Correct Answer: A) Upward and outward. 20. Due to accumulation of which acid there is a muscle cramp? A) Hydrochloric acid. B) Sulphuric acid. C) Ammonium. D) Lactic acid. Show Answer Correct Answer: D) Lactic acid. 21. Cockroaches breathe by using an organ called A) Nose. B) Tracheae. C) Spiracles. D) Nose. Show Answer Correct Answer: B) Tracheae. 22. Which among the following statements is false? A) The diaphragm moves up during Inhalation. B) The number of times a person breathes in a minute is called breathing rate. C) The process of breakdown of food in the cells resulting in the release of energy is called cellular respiration. D) Breathing is a Physical process. Show Answer Correct Answer: A) The diaphragm moves up during Inhalation. 23. ..... is the process that applies in all living cells that use glucose and oxygen to produce carbon dioxide, water and energy ..... is a process that occurs in all living cells that use glucose and oxygen to producer carbon dioxide, water and energy A) Respiration respiration. B) Respiranrespirant. C) Resapandifusion. D) RespirasiRespiration. Show Answer Correct Answer: D) RespirasiRespiration. 24. Organisms such as yeast that can survive in the absence of air are known as A) Anaerobes. B) Aerobes. C) None of these. D) None of the above. Show Answer Correct Answer: A) Anaerobes. 25. The gills help the fish to A) Take in oxygen from air. B) Release waste substance in water. C) Take in oxygen dissolved in water. D) Rabsorb nutrients present in wate. Show Answer Correct Answer: C) Take in oxygen dissolved in water. ← 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