This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 4 Air – Quiz 37 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 37 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What happens to the amount of oxygen molecules as altitude increases? A) Fewer molecules. B) More molecules. C) Same amount of molecules. D) Nothing happens to the molecules. Show Answer Correct Answer: A) Fewer molecules. 2. What is severe weather?Severe weather is a weather condition that can be ..... A) Fun. B) Dangerous. C) Safe. D) None of the above. Show Answer Correct Answer: B) Dangerous. 3. In what direction does air exert pressure? A) Upward. B) Downwards. C) In all directions. D) None of the above. Show Answer Correct Answer: C) In all directions. 4. The boundary between two air masses is called a/an- A) Flood. B) Front. C) Climate. D) Storm. Show Answer Correct Answer: B) Front. 5. Which of the following gases proctects us from harm full sun vays A) Ozone. B) Nitrogen. C) Carbon dioxide. D) None of the above. Show Answer Correct Answer: A) Ozone. 6. Which of these actions causes wind? A) Rotation of Earth on its axis. B) Movement of air from water to land. C) Uneven heating of Earth's surface. D) Air passing Earth as it revolves around the Sun. Show Answer Correct Answer: C) Uneven heating of Earth's surface. 7. When a plane is going up into the sky it is ..... A) Taking on. B) Taking off. C) Taking up. D) Taking in. Show Answer Correct Answer: B) Taking off. 8. Air mattresses, balloons and bubbles are all examples of which property of air? A) Air takes up space. B) Warm air expands. C) Air has weight. D) Air is a mixture of gases. Show Answer Correct Answer: A) Air takes up space. 9. TINY PORES ON THE LEAVES ARE CALLED ..... A) Spiracles. B) LUNGS. C) GILLS. D) STOMATA. Show Answer Correct Answer: D) STOMATA. 10. Where is the air pressure highest? A) Moon. B) Sea Level. C) Stratosphere. D) Exosphere. Show Answer Correct Answer: B) Sea Level. 11. How much oxygen present in air. A) 21. B) 82. C) 32. D) 12. Show Answer Correct Answer: A) 21. 12. Malawi, Zambia, Zimbabwe. A) TC-2. B) TC-3. C) TC-1. D) Use. Show Answer Correct Answer: A) TC-2. 13. What is the cause of air pollution? A) Power Plants. B) Burning fossil fuels. C) Littering/pollution. D) None of the above. Show Answer Correct Answer: B) Burning fossil fuels. 14. Air masses have properties from where they ..... A) Were formed. B) End up. C) All the above. D) None of the above. Show Answer Correct Answer: A) Were formed. 15. You can usually ask for a window or ..... seat. A) Island. B) Aisle. C) Comfortable. D) Convenient. Show Answer Correct Answer: B) Aisle. 16. TRUE or FALSE:Although water pollution is bad, it doesn't actually cause anyone to die. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 17. Departure time means ..... A) The time your flight leaves. B) The time your flight arrives. C) The time you have to be at the airport. D) None of the above. Show Answer Correct Answer: A) The time your flight leaves. 18. Passengers leave from departures and arrive at ..... A) Customs. B) Arrivals. C) Gate. D) Lounge. Show Answer Correct Answer: B) Arrivals. 19. At the equator the air is usually ..... A) Rising. B) Sinking. C) All the above. D) None of the above. Show Answer Correct Answer: A) Rising. 20. We do not sweat when it is humid. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. Friction is a force that acts in a(n) ..... direction relative to a moving object. A) Similar. B) Opposite. C) Parallel. D) Perpendicular. Show Answer Correct Answer: B) Opposite. 22. What should we wear to allow clean air to enter our nose? A) Overcoat. B) Umbrella. C) Jacket. D) Mask. Show Answer Correct Answer: D) Mask. 23. When I ..... the plane I felt exhausted after the long flight. A) Got on. B) Got off. C) Checked in. D) Took off. Show Answer Correct Answer: B) Got off. 24. Air moves away from the center of a ..... pressure system. A) High. B) Low. C) All the above. D) None of the above. Show Answer Correct Answer: A) High. 25. An instrument called a pyranometer is used to measure A) Temperature. B) Solar radiation. C) Atmospheric stability. D) Geographic location. Show Answer Correct Answer: B) Solar radiation. ← 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