This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 15 Air Around Us – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 15 Air Around Us Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Air moving with gentle speed A) Wind. B) Breeze. C) Sand storm. D) Oxygen. Show Answer Correct Answer: B) Breeze. 2. Birds, bats and insects can fly in the absence of air. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 3. Bubbles comes out from the empty glass when pushed in the water says that A) Water is present in bottle. B) Air is present in bottle. C) Both water and air is in the bottles. D) None of the above. Show Answer Correct Answer: B) Air is present in bottle. 4. Warm air is ..... as compared to cold air. A) Heavier. B) Lighter. C) No change. D) None of the above. Show Answer Correct Answer: B) Lighter. 5. What is the primary component of air by volume? A) Oxygen. B) Nitrogen. C) Carbon Dioxide. D) Argon. Show Answer Correct Answer: B) Nitrogen. 6. Air is all around us, a thick layer of air surrounds the earth, this blanket of air is called A) Ecosystem. B) Biosphere. C) Atmosphere. D) None of the above. Show Answer Correct Answer: C) Atmosphere. 7. Which Type of Gas does plants use to prepare food? A) Carbon Dioxide. B) Argon. C) Hydrogen. D) None of the above. Show Answer Correct Answer: A) Carbon Dioxide. 8. Which gas is helpful for burning fire? A) Oxygen. B) Nitrogen. C) Carbon dioxide. D) All. Show Answer Correct Answer: A) Oxygen. 9. Name the organism and its organ which take oxygen from the air dissolved in water. A) Human, lungs. B) Fish, gills. C) Animals, lungs. D) None of the above. Show Answer Correct Answer: B) Fish, gills. 10. Water that is floating in the air is called ..... A) Precipitation. B) Water. C) Water vapour. D) None of the above. Show Answer Correct Answer: C) Water vapour. 11. ..... is a device which measures the air pressure. A) Thermometer. B) Barometer. C) Anemometer. D) Ammeter. Show Answer Correct Answer: B) Barometer. 12. We inhale air through A) Ear. B) Eye. C) Nose. D) None. Show Answer Correct Answer: C) Nose. 13. ..... is used in electric bulbs A) Neon. B) Argon. C) Hydrogen. D) Oxygen. Show Answer Correct Answer: B) Argon. 14. Micro organisms present in the soil do not require oxygen. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 15. Which of the following is a greenhouse gas? A) Oxygen. B) Carbon Dioxide. C) Methane. D) Both B and C. Show Answer Correct Answer: D) Both B and C. 16. ..... supports burning. A) Water. B) Oxygen. C) Helium. D) Carbon Dioxide. Show Answer Correct Answer: B) Oxygen. 17. Statement A:Nitrogen is used in protein synthesisStatement B:Proteins are required by living organisms to grown and repair their body parts A) Only Statement A is correct. B) Only Statement B is correct. C) Both are incorrect. D) Both are correct. Show Answer Correct Answer: D) Both are correct. 18. Which two main process maintain the balance of carbon dioxide and oxygen in the atmosphere? A) Photosythesis and burning. B) Burning and resperation. C) Resperation and photosythesis. D) None of these. Show Answer Correct Answer: C) Resperation and photosythesis. 19. When air comes in contact with a cool surface, it ..... A) Evaporates. B) Solidifies. C) Melts. D) Condenses. Show Answer Correct Answer: D) Condenses. 20. Mammals exhale which gas? A) Oxygen. B) Carbon dioxide. C) All the above. D) None of the above. Show Answer Correct Answer: B) Carbon dioxide. 21. The cycle of consumption and release of oxygen in nature is called ..... A) Carbon cycle. B) Photosynthesis. C) Oxygen cycle. D) None. Show Answer Correct Answer: C) Oxygen cycle. 22. All living organism need ..... for respiration A) Carbon dioxide. B) Oxygen. C) Nitrogen. D) None of the above. Show Answer Correct Answer: B) Oxygen. 23. Which component of air does not support in the burning A) Oxygen. B) Nitrogen. C) Hydrogen. D) None of the above. Show Answer Correct Answer: B) Nitrogen. 24. The moving air is known as- A) None Of The given. B) Typhoon. C) Glacier. D) Wind. Show Answer Correct Answer: D) Wind. 25. Which of these would be best experiment to show the presence of air around us? A) Keeping a bowl of water in sunlight for one hour. B) Keeping a glass of water in freezer for half an hour. C) Placing a weather cock on an open roof away from any obstacle. D) Placing bricks one upon another to make a small stack in an open lawn. Show Answer Correct Answer: C) Placing a weather cock on an open roof away from any obstacle. ← PreviousNext →Related QuizzesClass 6 Science Chapter 15 Air Around Us Quiz 1Class 6 Science Chapter 15 Air Around Us Quiz 2Class 6 Science Chapter 15 Air Around Us Quiz 3Class 6 Science Chapter 15 Air Around Us Quiz 4Class 6 Science Chapter 15 Air Around Us Quiz 5Class 6 Science Chapter 15 Air Around Us Quiz 7Class 6 Science Chapter 15 Air Around Us Quiz 8Class 6 Science Chapter 15 Air Around Us Quiz 9Class 6 Science Chapter 15 Air Around Us Quiz 10Class 6 Science Chapter 15 Air Around Us Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books