Class 7 Geography Chapter 5 Water Quiz 2 (25 MCQs)

Quiz Instructions

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1. Surface tension is the property of water in which .....
2. How are bugs and some lizards able to stay on the surface of the water?
3. Earth's surface covered with water is
4. Match the correct answer:Melting point
5. What is the attractive force between two bodies of different substances that are in contact with each other? This is the property of a water molecule that allows it to stick to other substances.
6. The process of groundwater getting stored between the layers of hard rock below the water table is known as .....
7. How many hydrogen atoms are in a water molecule? (HINT:H$_{2}$0)
8. Water is known as a ..... molecule
9. How much of the Earth is covered in water?
10. Which abiotic factor most influences the water cycle?
11. A(n) ..... is a liquid that dissolves substances or the substance in which the solute dissolves.
12. Snow on the top of mountains melts into water and flows down as streams.
13. The Chesapeake Bay is ..... because it is an enclosed body of water where freshwater mixes with salty ocean water.
14. What is water doing when it is changed into water vapour?
15. Less than 3% of the world's water is fresh water
16. What is non-point pollution?
17. The path that a stream or river flows.
18. Which of the following is the largest source of salt water?
19. Decreasing the pressure of gases in liquids means .....
20. What percentage of the earth is covered with water?
21. The rythmic rise and fall of ocean water twice in a day is called
22. Which of the following best describes a supersaturated solution?
23. Which technique use to separate substances that dissolved in water?
24. The higher humidity, the ..... the rate of evaporation of water
25. Planting of more trees will help in-