This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 4 Air – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 19 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the innermost layer of the Atmosphere? A) Mesosphere. B) Thermosphere. C) Troposphere. D) Stratosphere. Show Answer Correct Answer: C) Troposphere. 2. During photosynthesis, what gas do the plant take in? A) Hydrogen. B) Nitrogen. C) Carbon dioxide. D) Oxygen. Show Answer Correct Answer: C) Carbon dioxide. 3. A pressure ..... measures the amount of air pressure in an air tank. A) Force. B) Pumps. C) Gauge. D) Directions. Show Answer Correct Answer: C) Gauge. 4. What causes the balloon to sink toward the ground? A) The pilot stops the fire and falls. B) The pilot does nothing and waits for the wind to change. C) The pilot holds his breath and hopes it goes well. D) The pilot pulls a cord. Show Answer Correct Answer: D) The pilot pulls a cord. 5. An air pollutant, which exists in solid form, is ..... A) Sulphur. B) Helium. C) Smoke. D) Ozone. Show Answer Correct Answer: C) Smoke. 6. An electronic display showing flight times and if the flight is on time, boarding, closed or delayed. A) Security. B) Gate. C) Customs. D) Departures board. Show Answer Correct Answer: D) Departures board. 7. Green House Effect is caused by A) Ozone. B) Oxygen. C) Carbon dioxide. D) Nitrogen. Show Answer Correct Answer: C) Carbon dioxide. 8. In orographic rainfall the side which receives maximum rainfall is known as A) Leeward side. B) Windward side. C) Rainward side. D) Seaward side. Show Answer Correct Answer: B) Windward side. 9. A tired and unpleasant feeling that you sometimes get when you travel by airplane to a place that is far away. A) Turbulence. B) Long-haul flight. C) Jet luggage. D) Jet lay. Show Answer Correct Answer: D) Jet lay. 10. What do they do with your luggage at the check-in desk? They ..... A) Weigh it. B) Check it. C) Open it. D) X-ray it. Show Answer Correct Answer: A) Weigh it. 11. Air is always clean A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 12. Plants need ..... gas for breathing A) Carbon dioxide. B) Oxygen. C) Sulphur. D) Nitrogen. Show Answer Correct Answer: B) Oxygen. 13. In solids molecules are packed A) Tightly. B) Loosely. C) Very loosely. D) None of the above. Show Answer Correct Answer: A) Tightly. 14. The air contains 21% of A) Nitrogen. B) Carbon Dioxide. C) Water Vapour. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 15. Air Pollution Contributes to the Spread of COVID-19 A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 16. Hot air (RISES / FALLS) ..... A) RISES. B) FALLS. C) All the above. D) None of the above. Show Answer Correct Answer: A) RISES. 17. A/An ..... is a large body of air that has the same properties as the Earth's surface over which it develops. A) Front. B) Air mass. C) Cloud. D) Tornado. Show Answer Correct Answer: B) Air mass. 18. The faster air moves, the lower the ..... A) Speed. B) Density. C) Compression. D) Pressure. Show Answer Correct Answer: D) Pressure. 19. Which type of air in the atmosphere traps the heat radiation? A) Carbon dioxide. B) Ozone. C) Oxygen. D) Nitrogen. Show Answer Correct Answer: A) Carbon dioxide. 20. Which geographic region is the most common source region for the mT air masses that move into New York State? A) Northern Canada. B) Arctic Ocean. C) Southwestern United States. D) Gulf of Mexico. Show Answer Correct Answer: D) Gulf of Mexico. 21. Which best describes the type of weather associated with low air pressure? A) Clear and dry. B) Sunny and cold. C) Sunny with high winds. D) Cloudy with precipitation. Show Answer Correct Answer: D) Cloudy with precipitation. 22. The body of the plane is called the A) Flaps. B) Fuselage. C) Landing gear. D) None of the above. Show Answer Correct Answer: B) Fuselage. 23. What kind of matter fills a balloon? A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: C) Gas. 24. Air is needed by ..... A) Plants. B) Animals. C) Humans. D) All of the above. Show Answer Correct Answer: D) All of the above. 25. Gases present in air are given below, arrange them in the decreasing order of their concentration A) Nitrogen, Carbon dioxide, Oxygen. B) Nitrogen, Oxygen, Carbon dioxide. C) Oxygen, Nitrogen, Carbon dioxide. D) Oxygen, Carbon dioxide, Nitrogen. Show Answer Correct Answer: B) Nitrogen, Oxygen, 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