This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 4 Air – Quiz 40 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 40 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Identify the EMSTPM:2562MPM:2532EMA:253 A) EMS:30. B) EMS 253. C) EMS:0. D) EMS:2562. Show Answer Correct Answer: C) EMS:0. 2. Mesopause is present between which layers of atmosphere A) Mesosphere and stratosphere. B) Mesosphere and thermosphere. C) Mesosphere and troposphere. D) None of the above. Show Answer Correct Answer: B) Mesosphere and thermosphere. 3. Where you collect your luggage on arrival, and there are usually carts for carrying heavy suitcases. A) Baggage drop off. B) Customs. C) VIP lounge. D) Baggage claim. Show Answer Correct Answer: D) Baggage claim. 4. Factories can send pollutants into the air A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. What air does not have? A) Have colour. B) Don't have shape. C) Don't have colour. D) None. Show Answer Correct Answer: A) Have colour. 6. Throwing the garbage ..... our environment. A) Change. B) Pollute. C) All the above. D) None of the above. Show Answer Correct Answer: B) Pollute. 7. ..... can make us sick. A) Fruits. B) Germs. C) Vegetables. D) Milk. Show Answer Correct Answer: B) Germs. 8. Till the middle of the 19th century, the amount of carbon dioxide was ..... A) 0.03%. B) 0.06%. C) 0.05%. D) 0.04%. Show Answer Correct Answer: A) 0.03%. 9. Which is hotter? A) Cities. B) VillagesTagstemperature. C) All the above. D) None of the above. Show Answer Correct Answer: A) Cities. 10. Which is the last layer of the atmosphere? A) Thermosphere. B) Mesosphere. C) Stratosphere. D) Exosphere. Show Answer Correct Answer: D) Exosphere. 11. Which of the following layers of the atmosphere is almost free from clouds. A) Troposphere. B) Stratosphere. C) Mesosphere. D) None of the above. Show Answer Correct Answer: B) Stratosphere. 12. What is global climate change? A) A world-wide change in weather patterns. B) A depletion of the ozone layer. C) An unexplainable phenomenon. D) An increase in storms in North Carolina. Show Answer Correct Answer: A) A world-wide change in weather patterns. 13. What percentage of air is made of nitrogen and oxygen? A) 21%. B) 78%. C) 70%. D) 99%. Show Answer Correct Answer: D) 99%. 14. Which is not a greenhouse gas A) CFC. B) Methane. C) Carbon dioxide. D) Ozone. Show Answer Correct Answer: D) Ozone. 15. Acid deposition would most likely result in which of the following? A) The release of aluminum ions from soil. B) The death of species tolerant of low pH levels. C) An increase in buffering of lake water by sulfates. D) An increase in the pH of unbuffered water. Show Answer Correct Answer: A) The release of aluminum ions from soil. 16. Which of the gas causes air pollution? A) Carbon dioxide. B) Sulphur dioxide. C) Carbon monoxide. D) All of the above. Show Answer Correct Answer: D) All of the above. 17. When air contains lots of water vapour, then the air is ..... A) Humid. B) Dry. C) Both. D) None of the above. Show Answer Correct Answer: A) Humid. 18. In the continental US, air masses travel consistently in the same direction. Which way do they travel? A) Northeast to Southwast. B) Southeast to West. C) East to West. D) West to East. Show Answer Correct Answer: D) West to East. 19. How do we name air masses? A) Water and temperature. B) Air pressure. C) Humidity and temperature. D) Cold and warm. Show Answer Correct Answer: C) Humidity and temperature. 20. The column of air above you is ..... A) Elevation. B) Altitude. C) Heat. D) Air pressue. Show Answer Correct Answer: D) Air pressue. 21. We should plant trees to keep the air ..... A) Clean. B) Dirty. C) Unclean. D) None of the above. Show Answer Correct Answer: A) Clean. 22. Air pollution generally cause ..... A) Respiratory Problems. B) Brain Damage. C) Problems related to Digestive System. D) None of the above. Show Answer Correct Answer: A) Respiratory Problems. 23. What is the front of the airplane called? A) Heart. B) Back. C) Leg. D) Nose. Show Answer Correct Answer: D) Nose. 24. Which of the following is NOT a primary pollutant? A) Nitric oxides. B) Smog. C) Sulfur dioxide. D) Volatile organic compounds. Show Answer Correct Answer: B) Smog. 25. Can cause burning of the skin A) Lead. B) Particle matter. C) Sulfur dioxide. D) Nitrogen oxides. Show Answer Correct Answer: C) Sulfur dioxide. ← PreviousNext →Related QuizzesClass 7 Geography Chapter 4 Air Quiz 1Class 7 Geography Chapter 4 Air Quiz 2Class 7 Geography Chapter 4 Air Quiz 3Class 7 Geography Chapter 4 Air Quiz 4Class 7 Geography Chapter 4 Air Quiz 5Class 7 Geography Chapter 4 Air Quiz 6Class 7 Geography Chapter 4 Air Quiz 7Class 7 Geography Chapter 4 Air Quiz 8Class 7 Geography Chapter 4 Air Quiz 9Class 7 Geography Chapter 4 Air Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books