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Class 7 Geography Chapter 5 Water Quiz 13 (60 MCQs)

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1. Which of the following substances is the most soluble in water?
2. The 2 main gasses in the atmosphere are ..... and .....
3. Wet, spongy land, partially or completely covered by water, with shrubs and trees
4. How much percentage is ground water?
5. An area of land that drains to a particular river, lake, bay, or other body of water.
6. Most liquid fresh water is found in
7. What is the name of the watershed that we live in?
8. Precipitation is in the form of
9. What percent of human body water is located in cells?
10. What are the states of matter?
11. True or false:Sucrose (sugar) is a polar molecule like water
12. The particles in a ..... are farthest apart.
13. Permanent hardness can be removed by:
14. The residue of CuSO4.5H2O is
15. A Colloid is a homogeneous mixture
16. Which temperature is the boiling point of water?
17. Carbohydrates are made of which of the following elements?
18. The rhythmic rise and fall of ocean water is known as
19. When the surrounding temperature increases, the rate of evaporation of water also increases.
20. When water evaporates it eventually cools and forms a cloud. This is known as
21. ..... is when water vapor gets cooler and changes back into liquid water to form clouds.
22. ..... are streams of water flowing constantly on the ocean surface in definite directions.
23. Which of the following is not a type of wetland?
24. Where is most of Earth's fresh water?
25. A water molecule is a ..... molecule, which has one oxygen that has a ..... charge and two hydrogens that have a ..... charge.
26. Streams and Rivers are made of:
27. Which of the following is mainly responsible for the causes of water pollution?
28. The strong gravitational exerted by the ..... and ..... on the earth's surface causes the .....
29. The ..... is the end of a river.
30. Heavy objects float on water.
31. Which end of the water molecule has a slightly positive charge?
32. What does rainwater mean
33. Strait or narrow sea between two land masses
34. What is the process through which water changes its form
35. What is the approximate percentage of CO2 in Earth's atmosphere?
36. Which country is currently the largest emitter of CO2?
37. When water sticks to itself, what is taking place?
38. The Labrador and Gulf stream are examples of
39. The rhythmic rise and fall of oceanwater twice in a day is called a wave ( true/false )
40. The Labrador Ocean current is ..... current while the Gulf Stream is a ..... current.
41. Where does water come from?
42. Big reservoir built on rivers for storing water is called .....
43. What is important for every living being on earth?
44. This animal is known as the 'ship of the desert.'
45. Why do we need to conserve water?
46. What factors affect the rate of evaporation?
47. When two substances are mixed, the substance that is dissolved is called the:
48. 6 ..... is a source of water
49. This is one part of the Earth's system that contains all of Earth's water (on land and underground).
50. When a patient is suffering from vomiting due to drinking dirty water, doctors advise him to take ORS solution. What is the full form of ORS?
51. Which receives the greatest amount of water from runoff?
52. A kind of land with a special shape
53. Temporary hardness is due to:
54. River water is cleaned from harmful things and sent to our homes through .....
55. Lakes are made of:
56. True or False:People and other living organisms are dependent on the availability of dirty water to survive.
57. Water is a polar molecule due to the:
58. Any liquid or frozen water that forms in the atmosphere and falls back to the ground.
59. Most of Earth's water is in which form?
60. Water is given off through the leaves as water vapor.
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