This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 4 Air – Quiz 44 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 44 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The condition of the atmosphere over short periods of time. It changes a lot. A) Weather. B) Climate. C) All the above. D) None of the above. Show Answer Correct Answer: A) Weather. 2. Highest percentage of air consists of A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) Argon. Show Answer Correct Answer: C) Nitrogen. 3. All of these are air masses that affect the US EXCEPT A) CP. B) CT. C) MT. D) MA. Show Answer Correct Answer: D) MA. 4. What are the major sources of air pollution? A) Industrial emissions. B) Vehicle exhaust. C) Deforestation. D) All of the above. Show Answer Correct Answer: D) All of the above. 5. 78% of earth's atmosphere is composed of ..... A) Methane. B) Oxygen. C) Argon. D) Nitrogen. Show Answer Correct Answer: D) Nitrogen. 6. True or False, air exerts pressure on everything. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 7. Warm air is ..... than cold air. A) Lighter. B) Heavier. C) All the above. D) None of the above. Show Answer Correct Answer: A) Lighter. 8. How do we characterize an air mass that forms near the poles? A) Dry. B) Wet. C) Warm. D) Cold. Show Answer Correct Answer: D) Cold. 9. The solid state of water is ..... A) Vapour. B) Water drops. C) Ice. D) None of the above. Show Answer Correct Answer: C) Ice. 10. ..... is present in small quantities in air. A) Nitrogen. B) Carbon dioxide. C) All the above. D) None of the above. Show Answer Correct Answer: B) Carbon dioxide. 11. Basketball players choose their shoes carefully because they want to ..... friction on the basketball court. A) Increase. B) Decrease. C) All the above. D) None of the above. Show Answer Correct Answer: A) Increase. 12. A ..... studies and forecasts the weather using data gathered from many sources. A) Meteorologist. B) Geologist. C) Station model. D) Biologist. Show Answer Correct Answer: A) Meteorologist. 13. How much percentage does other gases consist in atmosphere A) 1%. B) 0.8%. C) 0.03%. D) 0.005%. E) None. Show Answer Correct Answer: A) 1%. 14. In paragraph 3, the author compares Air Force One with a standard Boeing 747 in order to- A) Emphasize that Air Force One is a unique plane. B) Explain the need for a larger presidential plane. C) List all the features of Air Force One. D) Describe the roles of specialized crew members. Show Answer Correct Answer: A) Emphasize that Air Force One is a unique plane. 15. BareCareDareFareAll have what /air/ spelling A) . B) . C) . D) . Show Answer Correct Answer: B) . 16. Gentle air is called ..... A) Storm. B) Breeze. C) Air. D) Wind. Show Answer Correct Answer: B) Breeze. 17. If density of air is low, pressure is: A) High. B) Low. C) All the above. D) None of the above. Show Answer Correct Answer: B) Low. 18. People assume air has no weight because- A) It's difficult to walk through it. B) It's easy to prove. C) We can see it all around us. D) It's invisible. Show Answer Correct Answer: D) It's invisible. 19. The gas, which is present the most in air, is ..... A) Oxygen. B) Nitrogen. C) Carbon dioxide. D) Water vapour. Show Answer Correct Answer: B) Nitrogen. 20. What helps the air to keep it clean? A) Birds. B) Trees. C) Vehicles. D) None of the above. Show Answer Correct Answer: B) Trees. 21. Meteorites burn up in A) Troposphere. B) Stratosphere. C) Mesosphere. D) Thermosphere. Show Answer Correct Answer: C) Mesosphere. 22. Which most likely produces clear, cool weather? A) A low pressure system. B) A high pressure system. C) All the above. D) None of the above. Show Answer Correct Answer: B) A high pressure system. 23. What is the Greenhouse Affect? A) As carbon dioxide concentrations increase, temperatures increase. B) Condition that is caused by carbon dioxide, methane, and water vapor trapping heat in the Earth's atmosphere. C) Causes sea levels to rise because it adds water to the ocean. D) The cooling of Earth due to air pollution. Show Answer Correct Answer: B) Condition that is caused by carbon dioxide, methane, and water vapor trapping heat in the Earth's atmosphere. 24. Two parts in your body that you use for breathing A) Hands. B) Lungs. C) Heart. D) None of the above. Show Answer Correct Answer: B) Lungs. 25. Low pressure areas usually indicates what type of weather? A) Fair. B) Cloudy. C) All the above. D) None of the above. Show Answer Correct Answer: A) Fair. ← 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