This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 15 Air Around Us – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 15 Air Around Us Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The burning of fuel produces ..... A) Dew. B) Wind. C) Smoke. D) None of the above. Show Answer Correct Answer: C) Smoke. 2. Which of the following are flammable? A) Water Vapour. B) Helium. C) Hydrogen. D) Oxygen. Show Answer Correct Answer: C) Hydrogen. 3. Gases are invisible A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. Does Air have Weight? A) Yes. B) No. C) I Don't Know. D) None of the above. Show Answer Correct Answer: A) Yes. 5. The presence of dust particles in air varies from time to time, and from place to place. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. Most living things breath in ..... A) Carbon Dioxide. B) Oxygen. C) Nitrogen. D) Aragon. Show Answer Correct Answer: B) Oxygen. 7. The air in motion is called A) Air. B) Wind. C) Argon. D) Lightnig. Show Answer Correct Answer: A) Air. 8. The aquatic animals use dissolved oxygen in water for respiration. This is possible because oxygen is ..... in water. A) SOLVABLE. B) INSOLUBLE. C) All the above. D) None of the above. Show Answer Correct Answer: A) SOLVABLE. 9. The components of air which is taken by Plants to prepare the food? A) O$_{2}$. B) N$_{2}$. C) CO$_{2}$. D) None of these. Show Answer Correct Answer: C) CO$_{2}$. 10. Which of the following is not true about oxygen? A) Oxygen is used to breath. B) Oxygen is a greenhouse gas. C) Oxygen takes up 21% of air. D) None of the above. Show Answer Correct Answer: B) Oxygen is a greenhouse gas. 11. What causes acid rain A) When Sulphur Dioxide mixes with the water vapor present in the clouds. B) When Carbon Dioxide mixes with the water vapor present in the clouds. C) When Smoke mixes with the water vapor present in the clouds. D) None of the above. Show Answer Correct Answer: A) When Sulphur Dioxide mixes with the water vapor present in the clouds. 12. Choose the correct option. Which of the following is present in air? A) Water vapour, nitrogen, carbon monoxide. B) Dust, oxygen, nitrogen, pollens. C) Carbon dioxide, argon, oxygen, hydrogen. D) All of these. Show Answer Correct Answer: D) All of these. 13. The ..... make windmill rotate A) Wind. B) Power. C) Electricity. D) None of the above. Show Answer Correct Answer: A) Wind. 14. Since the late ..... s, air power has also been used to generate electricity. A) 1800. B) 1900. C) 1700. D) 2000. Show Answer Correct Answer: B) 1900. 15. Which of these is a property of air? A) Air occupies up space. B) Air has a fixed shape. C) Air has a fixed volume. D) Air cannot be compressed. Show Answer Correct Answer: A) Air occupies up space. 16. Clothes dry faster when there is ..... water vapour in air A) Less water vapour. B) High water vapour. C) All of the above. D) None of the above. Show Answer Correct Answer: A) Less water vapour. 17. Properties of air A) Air is visible. B) Air occupies space. C) Air has definite shape. D) Air has weight. E) Both (b) and (d). Show Answer Correct Answer: E) Both (b) and (d). 18. The hot air rises up and the ..... air takes its place A) Atmosphere. B) Cool. C) Carbon. D) None. Show Answer Correct Answer: B) Cool. 19. Wind is(a) air around us(b) rising hot air(c) air in motion(d) none of these A) A. B) B. C) C. D) D. Show Answer Correct Answer: C) C. 20. Which gas(es) present in air does not support burning? A) Oxygen. B) Nitrogen. C) Carbon dioxide. D) Nirogen and Carbon Dioxide. Show Answer Correct Answer: D) Nirogen and Carbon Dioxide. 21. As I walk up Mt Everest, the density of air ..... A) Decreases. B) Increases. C) All the above. D) None of the above. Show Answer Correct Answer: A) Decreases. 22. When does wind blow at a very high speed? A) Always. B) During summer times. C) During a storm. D) All of the above. Show Answer Correct Answer: C) During a storm. 23. Air has no weight. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. Air does not occupy any space. TRUE or FALSE? A) FALSE. B) TRUE. C) All the above. D) None of the above. Show Answer Correct Answer: A) FALSE. 25. Which layer protects us from the harmful UV rays? A) Ozone Layer. B) Atmosphere. C) Troposphere. D) Stratosphere. Show Answer Correct Answer: A) Ozone Layer. ← 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 6Class 6 Science Chapter 15 Air Around Us Quiz 7Class 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