This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 4 Air – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 31 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What's the humidity and temperature of a continental tropical air mass? A) Wet and cold. B) Dry and warm. C) Wet and warm. D) Dry and cold. Show Answer Correct Answer: B) Dry and warm. 2. What comes out when we burn anything. A) Smoke. B) Germs. C) Water vapour. D) Air. Show Answer Correct Answer: A) Smoke. 3. When precipitation comes down to the earth in the solid form, it is called ..... A) Cloud. B) Rain. C) Snow. D) Fog. Show Answer Correct Answer: C) Snow. 4. What do we call a strong wind that blows very fast? A) Stone. B) Storm. C) Wind. D) Breeze. Show Answer Correct Answer: B) Storm. 5. The path taken by continuous discharge of gaseous pollutants emitted from a stack or chimney is called A) Air Block. B) Polluted Air. C) Air pocket. D) Plume. Show Answer Correct Answer: D) Plume. 6. It refers to the air quality within and around building and structure, especially as it relates to the health and comfort of building occupants. A) Indoor air pollution. B) Indoor air quality. C) Noise pollution. D) None of these. Show Answer Correct Answer: B) Indoor air quality. 7. Composition of air? A) 78% of N2, 21% 02, 0.1% Co2 and other gases. B) 10% of N2, 78 % of O2, 15 % of other gases. C) All the above. D) None of the above. Show Answer Correct Answer: A) 78% of N2, 21% 02, 0.1% Co2 and other gases. 8. Is pollution good for your health A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 9. We can touch air A) Yes. B) NO. C) All the above. D) None of the above. Show Answer Correct Answer: B) NO. 10. Tropical air masses tend to be colder than polar air masses. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 11. Pollution of water is responsible for A) . Oil refineries. B) Paper factories. C) Sugar mills. D) All. Show Answer Correct Answer: D) All. 12. Where would you expect to find a high pressure liquid within an AC system? A) Between the compressor and the Thermal Xpansion Valve. B) Between the Thermal Xpansion Valve and the Evaporator. C) Between the compressor and the condenser. D) Between the Condenser and the Thermal Xpansion Valve. Show Answer Correct Answer: D) Between the Condenser and the Thermal Xpansion Valve. 13. CT air mass is A) Tropical maritime. B) Polar maritime. C) Tropical continental. D) Polar continental. Show Answer Correct Answer: C) Tropical continental. 14. An instrument that measures air pressure is a A) Thermometer. B) Barometer. C) Hygrometer. D) Anemometer. E) Isobar. Show Answer Correct Answer: B) Barometer. 15. Even though air is ..... it still takes up space. A) Visible. B) Invisible. C) All the above. D) None of the above. Show Answer Correct Answer: B) Invisible. 16. Describe a maritime air mass. A) Dry. B) Wet. C) Cold. D) Warm. Show Answer Correct Answer: B) Wet. 17. Air contains ..... nitrogen A) 100%. B) 78.09%. C) 89%. D) 0.04%. Show Answer Correct Answer: B) 78.09%. 18. What is the place where you get a boarding pass? A) Check-in desk. B) Departure lounge. C) Conveyor belt. D) Ticket place. Show Answer Correct Answer: A) Check-in desk. 19. The top of mountains typically has high or low pressure? A) High pressure. B) Low pressure. C) All the above. D) None of the above. Show Answer Correct Answer: B) Low pressure. 20. THE GAS REQUIRED FOR BURNING IS A) CARBON DIOXIDE. B) NITROGEN. C) OXYGEN. D) WATER VAPOUR. Show Answer Correct Answer: C) OXYGEN. 21. What kind of precipitation falls during a cold front? A) Thunderstorms or severe weather. B) Precipitation lasting several days. C) Strong wind and heavy precipitation. D) Steady rain. Show Answer Correct Answer: A) Thunderstorms or severe weather. 22. Sydney keeps blowing up a balloon until it pops. Where was there more pressure? A) Inside the balloon. B) Outside of the balloon. C) On top of the balloon. D) Equal pressure everywhere. Show Answer Correct Answer: A) Inside the balloon. 23. When the clouds form that process is called ..... A) Evaporation. B) Condensation. C) Precipitation. D) Transpiration. Show Answer Correct Answer: B) Condensation. 24. What is the MAJOR pollutant in the air? A) None of the above. B) Carbon monoxide. C) Propane. D) Oxygen. Show Answer Correct Answer: B) Carbon monoxide. 25. What is a warm front? A) A cold air mass bumps against a warm air mass. B) A warm air mass meets a colder air mass and slowly rises over it. C) Two air masses meet and stop moving. D) Warm air mass gets caught between 2 cold air masses. Show Answer Correct Answer: B) A warm air mass meets a colder air mass and slowly rises over it. ← 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