This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 4 Air – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following correctly pairs a greenhouse gas with its primary anthropogenic source? A) Carbon dioxide and municipal solid waste from homes. B) Chlorofluorocarbons and fossil fuel combustion. C) Nitrous oxide and agricultural practices. D) Methane and vehicular emissions. Show Answer Correct Answer: C) Nitrous oxide and agricultural practices. 2. Select the natural form of air pollution. A) CFC's. B) Burning Fossil Fuels. C) Forest Fires. D) Paints and Solvents. Show Answer Correct Answer: C) Forest Fires. 3. Which gas layer in the air protects the animals and plants from the harmful effects of ultraviolet rays present in sunlight. A) Carbon dioxide. B) Sulphur oxide. C) Ozone. D) Helium. Show Answer Correct Answer: C) Ozone. 4. What is the value of optimum effective temperature in winter? A) 17. B) 18. C) 19. D) 20. Show Answer Correct Answer: C) 19. 5. In the United States weather usually moves from A) West to east. B) East to west. C) All the above. D) None of the above. Show Answer Correct Answer: A) West to east. 6. Nitrogen helps in burning A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. MayorHas what /air/ spelling A) . B) . C) . D) . Show Answer Correct Answer: D) . 8. Winds are caused by differences in A) Precipitation. B) Humidity. C) Air pressure. D) Turbulence. Show Answer Correct Answer: C) Air pressure. 9. What color attracts the sun? This color shirt will make you feel even hotter when standing in the sun? A) Black. B) Pink. C) White. D) Yellow. Show Answer Correct Answer: A) Black. 10. A gentle wind is called ..... and a strong wind is called ..... A) 1. breeze, 2. storm. B) 1. storm, 2. breeze. C) 1. thunder, 2. lightning. D) 1. lightning, 2. thunder. Show Answer Correct Answer: A) 1. breeze, 2. storm. 11. Michael observes the air pressure daily. Over the last couple of days the air pressure has been dropping. What weather will Michael most likely observe as a result? A) Increasingly clear skies and more wind. B) Increasingly clear skies and dry weather. C) Increasingly cloudy skies and possible storms. D) None of the above. Show Answer Correct Answer: C) Increasingly cloudy skies and possible storms. 12. In liquids molecules are A) Closely packed. B) Loosely packed. C) Very loosely packed. D) None of the above. Show Answer Correct Answer: B) Loosely packed. 13. A wet and cold air mass would be a ..... A) Maritime polar. B) Continental polar. C) Maritime tropical. D) Continental tropical. Show Answer Correct Answer: A) Maritime polar. 14. Discolouring of Taj Mahal is due to major pollutants released from the industries nearby. Name one of the major industry there. A) Jamnagar Refinery. B) Mathura Refinery. C) Kochi Refinery. D) Nayara Energy Refinery. Show Answer Correct Answer: B) Mathura Refinery. 15. Which of the following are part of weather forecast in the newspapers? A) Temperature. B) Humidity. C) Time of Sunset. D) All of These. Show Answer Correct Answer: D) All of These. 16. Why do people burn fossil fuels? A) To make acid rain. B) People do not burn fossil fuels. C) To make electricity and to fuel cars and trucks. D) To make more air pollution. Show Answer Correct Answer: B) People do not burn fossil fuels. 17. What does air content? A) Dust. B) Water vapour. C) All of these. D) Germs. Show Answer Correct Answer: C) All of these. 18. Why do we need air? A) To eat. B) To drink. C) To breath. D) None of the above. Show Answer Correct Answer: C) To breath. 19. What happens when we burn fossil fuels? A) Nothing happens. Fossil fuels help to keep the air around us clean. B) A lot of gases are released into the air causing air pollution. C) All the above. D) None of the above. Show Answer Correct Answer: B) A lot of gases are released into the air causing air pollution. 20. Air pollution occurs when gases, smoke, or dust get into the air and make it ..... A) Clean. B) Dirty. C) All the above. D) None of the above. Show Answer Correct Answer: B) Dirty. 21. What type of front occurs when a warm air mass and a cold air mass do not have enough energy to move the other one out of the way? A) Warm front. B) Cold front. C) Stationary front. D) Occluded front. Show Answer Correct Answer: C) Stationary front. 22. Choose any ONE thing that DOES NOT need air to live. A) Lion. B) Fan. C) Fish. D) Plants. Show Answer Correct Answer: B) Fan. 23. Creates slow, steady light precipitation. A) Warm front. B) Cold front. C) Stationary front. D) Occluded front. Show Answer Correct Answer: A) Warm front. 24. ..... is the result of the weight of a column of air pushing on an area. A) Air pressure. B) Density. C) Volume. D) None of the above. Show Answer Correct Answer: A) Air pressure. 25. An air tank uses pressure ..... to transfer the built up air through hoses. A) Force. B) Pumps. C) Pop. D) Pressure. Show Answer Correct Answer: B) Pumps. ← 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 9Class 7 Geography Chapter 4 Air Quiz 10Class 7 Geography Chapter 4 Air Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books