CBSE  /  Class 6  /  Science  /  Water

  • 1. 
    Which one is a process in which water changes into vapours in atmosphere?

  • Evaporation
  • transpiration
  • Precipitation
  • condensation

  • 2. 
    Potable water is

  • ocean water
  • groundwater at selected places
  • river water
  • ponds water

  • 3. 
    Which is not a part of water cycle?

  • Cloud formation
  • Rain
  • Drinking by animals
  • Sun

  • 4. 
    Which is a result of condensation of water vapours?

  • Rain
  • Snowfall
  • Hail
  • Tiny water droplets

  • 5. 
    Which one is the purest form of water?

  • River water
  • Groundwater
  • Rainwater
  • Ocean water

  • 6. 
    Circulation of water between ocean and land is known as

  • water cycle
  • rain cycle
  • water management
  • water harvesting

  • 7. 
    The percentage of water in potato is

  • 88
  • 75
  • 90
  • 95

  • 8. 
    Out of these, which is not a source of surface water?

  • rain water
  • river and lake water
  • Spring water
  • sea water

  • 9. 
    Boiling point of water is

  • 100°C
  • 99°C
  • 101°C
  • 102°C

  • 10. 
    Plants release large amount of water vapour into the atmosphere by the process called

  • evaporation
  • condensation
  • precipitation
  • transpiration
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