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Class 7 Geography Chapter 4 Air Quiz 15 (60 MCQs)

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1. What kind of weather can be expected in an area of low pressure?
2. Raya drinks lemonade with a straw. The lemonade moves up to the straw due to ..... ?
3. The process which takes place only on the surface of the medium is called
4. Where passengers who are travelling business or first class can wait for their flights
5. When harmful and dangerous gases and other particles are released into the air, it is called
6. What do plants use for making food?
7. Asbestos Fibre causes a disease called .....
8. We see lightning before we hear the thunder.
9. The ..... can be raised or lowered to change the direction of the plane's nose
10. Air contains 1% of ..... , 20.9% of ..... , and 78, 3% of .....
11. The Giving out of air is called.
12. Which type of weather is most often produced by a low air pressure system?
13. If you pick up two cans of air, one full and one almost empty, the one that is full is heavier because .....
14. What types of air masses form over oceans?
15. How do you get in the plane?
16. A(n) ..... is the boundary where two air masses meet.
17. What happens when air becomes light?
18. Air pollution has nearly econmic cost
19. Cold air mass overtakes a warm air mass and moves below the warm air mass.
20. ..... is the gaseous state of water.
21. What is the BEST definition of air?
22. What is the suitable method to separate air components?
23. What are the four nations in the world of the avatar?
24. Who was the husband of Mumtaz Maham?
25. For measuring how acidic or basic something is, the ..... scale is used
26. Which of the following illustrates the reactants needed to form tropospheric ozone?
27. The Particles of gases are ..... packed.
28. The air particles in the jar become smaller.
29. How could you confirm the type ofrefrigerant present in an air conditioning system?
30. Which of these gases makes up the largest proportion of the Earth's atmosphere today?
31. Which of these is a MAJOR cause of acid rain?
32. The plane ..... late due to bad weather.
33. Moist air has ..... pressure than dry air.
34. What happens to the amount of oxygen molecules as altitude increases?
35. What is severe weather?Severe weather is a weather condition that can be .....
36. The boundary between two air masses is called a/an-
37. Which of the following gases proctects us from harm full sun vays
38. Which of these actions causes wind?
39. When a plane is going up into the sky it is .....
40. Air mattresses, balloons and bubbles are all examples of which property of air?
41. Where is the air pressure highest?
42. How much oxygen present in air.
43. Malawi, Zambia, Zimbabwe.
44. What is the cause of air pollution?
45. Air masses have properties from where they .....
46. You can usually ask for a window or ..... seat.
47. TRUE or FALSE:Although water pollution is bad, it doesn't actually cause anyone to die.
48. Departure time means .....
49. Passengers leave from departures and arrive at .....
50. At the equator the air is usually .....
51. We do not sweat when it is humid.
52. Friction is a force that acts in a(n) ..... direction relative to a moving object.
53. What should we wear to allow clean air to enter our nose?
54. When I ..... the plane I felt exhausted after the long flight.
55. Air moves away from the center of a ..... pressure system.
56. An instrument called a pyranometer is used to measure
57. The amount of water vapor in the air is called?
58. Which of the following is NOT a short-term health effect of air pollution?
59. Which gas in air is supporter of combustion?
60. Which of the following does not mainly a factor of dependency for the degree of warmth or cold?
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