This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 4 Air – Quiz 42 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 42 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What role do greenhouse gases play in air pollution? A) Greenhouse gases have no impact on air pollution. B) Greenhouse gases contribute to the greenhouse effect but do not cause air pollution. C) Greenhouse gases trap heat in the atmosphere and contribute to air pollution. D) Greenhouse gases only affect water pollution, not air pollution. Show Answer Correct Answer: C) Greenhouse gases trap heat in the atmosphere and contribute to air pollution. 2. On a cold winter day with temperatures below 32$^\circ$F, the local meteorologist records falling air pressure. Which type of weather will most likely occur? A) Rain. B) Clear skies. C) A snowstorm. D) A thunderstorm. Show Answer Correct Answer: C) A snowstorm. 3. Which front forms widespread clouds, rain, or snow? A) Cold front. B) Warm front. C) Occluded front. D) Stationary front. Show Answer Correct Answer: C) Occluded front. 4. How should R134a be stored to meet safetyrequirements? A) Under pressure as a vapour. B) Under pressure as a gas. C) Under no pressure as a vapour. D) Under no pressure as a gas. Show Answer Correct Answer: B) Under pressure as a gas. 5. Which of the following gases cause greenhouse effect? A) Nitrogen. B) Oxygen. C) Helium. D) Carbon dioxide. Show Answer Correct Answer: D) Carbon dioxide. 6. Nitrogen is a ..... gas. A) Active. B) Inactive. C) All of these. D) None of these. Show Answer Correct Answer: B) Inactive. 7. Which of the following would be carriedout to confirm a system contained no refrigerant? A) Press the service port valve on the low pressure side and listen for a gas leak. B) Connect the gauges to both high and lowpressure ports to confirm a vacuum is present. C) Connect the Air Conditioning equipmentand carry out a full recovery. D) Connect the gauges to both high and low pressure ports to confirm no pressure is present. Show Answer Correct Answer: D) Connect the gauges to both high and low pressure ports to confirm no pressure is present. 8. Water is used as a coolant in vehicles. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. Air is a ..... form of matter A) Gaseous. B) Solid. C) Liquid. D) None of the above. Show Answer Correct Answer: A) Gaseous. 10. Air is ..... than water. A) Heavier. B) Lighter. C) All the above. D) None of the above. Show Answer Correct Answer: B) Lighter. 11. What is the use of wind vane? A) Check the amount of rainfall. B) Measures atmospheric pressure. C) Shows the direction of the wind. D) Standard unit of measuring wind. Show Answer Correct Answer: C) Shows the direction of the wind. 12. Which type of weather is usually associated with a cP air mass? A) Moist and cool. B) Dry and warm. C) Moist and warm. D) Dry and cool. Show Answer Correct Answer: D) Dry and cool. 13. A medical condition, where people in a building suffer from symptoms of illness of feel unwell without any specific reason is called A) Noise. B) Indoor air quality management. C) Sick building syndrome. D) Air quality degradation. Show Answer Correct Answer: C) Sick building syndrome. 14. Which statement best describes temperature patterns along the equator? A) Hot in summer cold in winter. B) Consistently warm year round. C) Consistently cool year round. D) None of the above. Show Answer Correct Answer: B) Consistently warm year round. 15. True or False. As speed increases, pressure decreases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. Dxb pair-from-gymq ..... is the gi A) WH. B) EH. C) AT. D) None of the above. Show Answer Correct Answer: C) AT. 17. The scientists that study the weather are called? A) Biologists. B) Meteorologists. C) Paleontologists. D) Windtologists. Show Answer Correct Answer: B) Meteorologists. 18. What is a parachute designed to maximize? A) Gravity. B) Air Pressure. C) Air Resistance. D) Thrust. Show Answer Correct Answer: C) Air Resistance. 19. Warm air weighs more or less than cold air? A) More. B) Less. C) All the above. D) None of the above. Show Answer Correct Answer: B) Less. 20. Smog is a mixture of smoke and fog. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. The covering layer of air around the earth is called ..... A) Temperature. B) Atmosphere. C) Wind. D) None of the above. Show Answer Correct Answer: B) Atmosphere. 22. Who founded the Tuskegee Institute? A) W.E.B.Wood. B) Booker T. Washington. C) Georg Washington Carver. D) Thomas Edison. Show Answer Correct Answer: B) Booker T. Washington. 23. What is land breeze A) The cold air that moves from land to sea. B) The cold air that moves from sea to land. C) All the above. D) None of the above. Show Answer Correct Answer: A) The cold air that moves from land to sea. 24. This is the type of weather A) Summer. B) Winter. C) Sunny. D) None of the above. Show Answer Correct Answer: C) Sunny. 25. Where do MARITIME air masses form? A) Over water. B) Over land. C) All the above. D) None of the above. Show Answer Correct Answer: A) Over water. ← 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