This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 4 Air – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Tornadoes occur when a very cold, dry air mass meets a very warm, wet air mass. Which two air masses would most likely form a tornado when they meet? A) CP and cA. B) CT and mP. C) CP and mT. D) MP and mT. Show Answer Correct Answer: C) CP and mT. 2. As jet streams get closer to the equator they ..... A) Blow faster. B) Blow slower. C) Dissolve. D) Pick up energy. Show Answer Correct Answer: B) Blow slower. 3. Passenger flights are used for transporting ..... A) Goods. B) People. C) All the above. D) None of the above. Show Answer Correct Answer: B) People. 4. Which sentence from the selection states an opinion? A) Technically speaking, Air Force One isn't the name of a specific airplane. B) Richard Nixon flew aboard the same plane on his historic visits abroad. C) Ronald Reagan, though easy to get along with, was also somewhat of a loner. D) The president's plane is loaded with state-of-the-art navigation and communications equipment. Show Answer Correct Answer: C) Ronald Reagan, though easy to get along with, was also somewhat of a loner. 5. Over which of the following components of smog do humans have the LEAST control? A) Water Vapor. B) Sulfur Dioxide. C) Ammonia. D) Nitrogen oxides. Show Answer Correct Answer: A) Water Vapor. 6. What was the effect of the Montgolfier experiment? A) The first hot air balloon. B) The first kite. C) The first drawing. D) The first silk pillow. Show Answer Correct Answer: A) The first hot air balloon. 7. A phenomenon in the atmosphere, when the reverse or negative lapse rate occurs, in which a dense cold stratum of the air at ground level gets covered by a lighter warmer air at higher level is known as A) Inversion. B) Adiabatic lapse rate. C) Environmental Lapse rate. D) Stable. Show Answer Correct Answer: A) Inversion. 8. How much forest is lost every minute? A) 20 football fields. B) 20 feet. C) 20 centimenters. D) 20 inches. Show Answer Correct Answer: A) 20 football fields. 9. In soft drinks ..... is filled with pressure A) Water. B) Air. C) Sugar. D) None of the above. Show Answer Correct Answer: B) Air. 10. Air helps to ..... clothes. A) Wet. B) Dry. C) All the above. D) None of the above. Show Answer Correct Answer: B) Dry. 11. What causes air pollution? A) Factories produce too much waste water and oil. B) Factories produce too much smoke. C) All the above. D) None of the above. Show Answer Correct Answer: B) Factories produce too much smoke. 12. What is the standard unit of temperature A) Fahrenheit. B) Celsius. C) Kelvin. D) None of the above. Show Answer Correct Answer: B) Celsius. 13. We board the aeroplane at the ..... A) Railway station. B) Airport. C) All the above. D) None of the above. Show Answer Correct Answer: B) Airport. 14. Trees take ..... gas from surrounding A) Oxygen. B) Carbon dioxide. C) All the above. D) None of the above. Show Answer Correct Answer: B) Carbon dioxide. 15. The ozone hole in the upper atmosphere results primarily from A) Automobile exhaust. B) Carbon dioxide pollution. C) CFC pollution. D) All of the above. Show Answer Correct Answer: C) CFC pollution. 16. The aeroplane will ..... at 5pm. You should be at the airport an hour early. A) Shoot off. B) Move out. C) Take off. D) Fly away. Show Answer Correct Answer: C) Take off. 17. What is the percentage of Nitrogen A) 21%. B) 0.03%. C) 0.04%. D) 78%. Show Answer Correct Answer: D) 78%. 18. Warm air molecules move A) Faster. B) Slower. C) All the above. D) None of the above. Show Answer Correct Answer: A) Faster. 19. What type of weather does a high pressure system bring? A) Dry weather. B) Lower temperatures. C) Stormy weather. D) Clouds. Show Answer Correct Answer: A) Dry weather. 20. An instrument tha measures air pressure without using a liquid. A) Aneroid barometer. B) Mercury barometer. C) Aneroid gauge. D) Mercury thermometer. Show Answer Correct Answer: A) Aneroid barometer. 21. Which of the following environmental problems is most often linked to the combustion of fossil fuels? A) Ozone thinning in the stratosphere. B) Photochemical smog formation in the troposphere. C) Cultural eutrophication in surface waters. D) Thermal inversions in mountainous coastal areas. Show Answer Correct Answer: B) Photochemical smog formation in the troposphere. 22. Which of the statement is true? A) Warm air is lighter than cold air. B) Cold air is lighter than warm air. C) Both are of same density. D) None. Show Answer Correct Answer: A) Warm air is lighter than cold air. 23. What is an essential nutrient for plants? A) Nitrogen. B) Hydrogen. C) Calcium. D) Phosphorous. Show Answer Correct Answer: A) Nitrogen. 24. Air spreads out in all ..... taking the shape of its container. A) Earth. B) Space. C) Directions. D) Compressed. Show Answer Correct Answer: C) Directions. 25. Which among the following is not a type of wind? A) Permanent Winds. B) Seasonal Winds. C) Tropical Winds. D) Local Winds. Show Answer Correct Answer: C) Tropical Winds. ← 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 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 10Class 7 Geography Chapter 4 Air Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books