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Forms of water and water cycle - class-VII

Test your knowledge about the different forms of water (solid, liquid, gas) and the natural water cycle including evaporation, precipitation, and water distribution on Earth.

19 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

The freshwater stored in the ground is much more than that present in the rivers and lakes of the world.

  1. True
  2. False
Question 2 Multiple Choice (Single Answer)

The process by which water from the surface of the earth moves to the atmosphere is:

  1. cooling.
  2. distillation.
  3. evaporation.
  4. None of the above.
Question 3 Multiple Choice (Single Answer)

95% of the Earths water is stored in its:

  1. glaciers
  2. oceans
  3. rivers
  4. ponds
Question 4 Multiple Choice (Single Answer)

In water cycle, the maximum vaporization takes place:

  1. from oceans
  2. from rivers
  3. from streams
  4. from plants
Question 5 Multiple Choice (Single Answer)

Which of the following is not naturally occurring form of water?

  1. Solid
  2. Liquid
  3. Vapour
  4. Semi-solid
Question 6 Multiple Choice (Single Answer)

Water is an extremely stable ____________.

  1. atom
  2. element
  3. mixture
  4. compound
Question 7 Multiple Choice (Single Answer)

Water produces hydrogen and oxygen in the ratio of :

  1. 1:1
  2. 2:1
  3. 1:2
  4. 2:3
Question 8 Multiple Choice (Single Answer)

Rainfall patterns depend on

  1. The underground water table
  2. The number of water bodies in an area
  3. The density pattern of human population in an area
  4. The prevailing season in an area.
Question 9 Multiple Choice (Single Answer)

More than 70% of world's fresh water is contained in

  1. Antarctica
  2. Polar ice
  3. Glaciers and Mountains
  4. Greenland
Question 10 Multiple Choice (Single Answer)

Water heats up ___________ and cools off ___________ than land.

  1. More quickly, more quickly
  2. More quickly, more slowly
  3. More slowly, more quickly
  4. More slowly, more slowly
Question 11 Multiple Choice (Single Answer)

How much did sea level rise in 20th century?

  1. 1.3 mm/yr
  2. 1.8?mm/yr
  3. 1.7 mm/yr
  4. 1.9 mm/yr
Question 12 Multiple Choice (Single Answer)

Water vapor is present in air only during the monsoon.

  1. True
  2. False
Question 13 Multiple Choice (Single Answer)

The solid form of water is known as:

  1. fog
  2. dry ice
  3. ice
  4. snow
Question 14 Multiple Choice (Single Answer)

Evaporation is defined as:

  1. conversion of ice in water.
  2. conversion of water into water vapours.
  3. conversion of water vapours into the water.
  4. freezing of water into ice.
Question 15 Multiple Choice (Single Answer)

Which of the following processes is unsuitable for softening water possessing temporary hardness?

  1. Adding calcium hydroxide
  2. Filtration
  3. Boiling
  4. Distillation
Question 16 Multiple Choice (Single Answer)

Which of the following is the most important factor in balancing the amount of freshwater on earth?

  1. Water cycle
  2. Greenhouse effect
  3. Waste water treatment plant
  4. Transpiration
Question 17 Multiple Choice (Single Answer)

When water circulates through the water cycle it can be found in all the _________ form, at any given time somewhere on the earth.

  1. four
  2. two
  3. three
  4. six
Question 18 Multiple Choice (Single Answer)

The circulation of water from surface of the earth to atmosphere and back to the surface is known as:

  1. water circle.
  2. water cycle.
  3. water round.
  4. None of the above.
Question 19 Multiple Choice (Single Answer)

During water cycle, the water is circulated back from the earth in the form of:

  1. humidity.
  2. rain.
  3. vapour.
  4. None of the above.
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