This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 4 Air – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A device that is used to measure atmospheric pressure is a ..... A) Barometer. B) Thermometer. C) Kilometer. D) Micrometer. Show Answer Correct Answer: A) Barometer. 2. Warm air is ..... dense than cold air and rises creating convection currents. A) More. B) Less. C) All the above. D) None of the above. Show Answer Correct Answer: B) Less. 3. A continental polar air mass that overtakes a continental tropical creates this type of front. A) Cold front. B) Warm front. C) Occluded front. D) Stationary front. Show Answer Correct Answer: A) Cold front. 4. Fast-moving air is called ..... A) Breeze. B) Storm. C) Earthquakes. D) Wind. Show Answer Correct Answer: B) Storm. 5. How long time before the plane takes off should you be at the airport? A) One hour. B) Two hours. C) Three hours. D) 150 minutes. Show Answer Correct Answer: B) Two hours. 6. Air pressure is greatest when near Earth's surface because? A) The air molecules are farther apart. B) The air molecules are closer together. C) Air molecules collide. D) Air molecules are not tightly packed. Show Answer Correct Answer: B) The air molecules are closer together. 7. The weather data for Vineland shows the barometric pressure reading is rising. Which is the best forecast for the weather in the Vineland area? A) Sunny and dry. B) Stormy weather. C) Falling temperatures. D) No change at all. Show Answer Correct Answer: A) Sunny and dry. 8. Earthworms breathe through A) Skin. B) Gills. C) Lungs. D) All of the above. Show Answer Correct Answer: A) Skin. 9. Oxygen supports combustion. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. Warm air mass that does not carry water: A) Continental tropical. B) Continental polar. C) Maritime tropical. D) Maritime polar. Show Answer Correct Answer: A) Continental tropical. 11. When air masses collide or interact with one another, what formation always occurs? A) Fronts are formed. B) High amounts of wind. C) Thunderstorms form. D) Extreme weather occurs. Show Answer Correct Answer: A) Fronts are formed. 12. Which two primary pollutants most often result in acid rain? A) Sulfuric dioxide and nitric oxide. B) Carbon monoxide and VOCs. C) ZEVs and VOCs. D) Carbonic acid and citric acid. Show Answer Correct Answer: A) Sulfuric dioxide and nitric oxide. 13. Neha presses the tip of a medicinal dropper and inserts it in the medicine bottle and then releases the tip of the dropper. She sees medicine rise up inside the tube of the dropper. Choose the correct reason for this. A) Air has mass. B) Air exerts pressure. C) Air helps in burning. D) Air occupies space. Show Answer Correct Answer: B) Air exerts pressure. 14. A gentle wind is called A) Wind. B) Breeze. C) Storm. D) Sandstorm. Show Answer Correct Answer: B) Breeze. 15. How can smog be dangerous? A) It smells bad. B) People can't breath well. C) It blocks the sun. D) It causes skin damage. Show Answer Correct Answer: B) People can't breath well. 16. Storms are very helpful to plants and animals. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 17. The weather forecast tells about A) The weather yesterday. B) The weather tomorrow. C) All the above. D) None of the above. Show Answer Correct Answer: B) The weather tomorrow. 18. Carbon monoxide (CO) is harmful to man because: A) It forms carbolic acid. B) It generates excess CO2. C) It is carcinogenic. D) It competes with O2 for haemoglobin. Show Answer Correct Answer: D) It competes with O2 for haemoglobin. 19. Which of the following cause air pollution? A) Cars, factories, forest fires. B) Lung cancer, asthma, eye irritation. C) Electric cars, recycling, bicycling. D) Fading paint, sick animals, wilted plants. Show Answer Correct Answer: A) Cars, factories, forest fires. 20. Cold air traveling south from Canada is: A) Continental tropical. B) Continental polar. C) Maritime tropical. D) Maritime polar. Show Answer Correct Answer: B) Continental polar. 21. What is very hot wind called? A) To. B) Cool breeze. C) Monsoon air. D) Trade wind. Show Answer Correct Answer: A) To. 22. Air Force One can be refueled in midair. A) Yes. B) No!. C) Hmmmm Not sure. D) None of the above. Show Answer Correct Answer: A) Yes. 23. What is not a form of precipitation? A) Rain. B) Snow. C) Cats. D) Ice. Show Answer Correct Answer: C) Cats. 24. What are the characteristics of cold fronts? A) Rapid drop in temperature, strong winds, heavy precipitation, thunderstorms, and sometimes severe weather. B) Light breeze and drizzle. C) No change in temperature. D) Sunny and clear weather. Show Answer Correct Answer: A) Rapid drop in temperature, strong winds, heavy precipitation, thunderstorms, and sometimes severe weather. 25. Plants use ..... gas while preparing their food. A) Nitrogen. B) Carbon dioxide. C) All the above. D) None of the above. Show Answer Correct Answer: B) Carbon 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