Class 6 Water CBSE Questions & Answers

Class 6 · Water

This is Science Class 6 Water CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Sea water is not fit for drinking because
  • A
    It is saline
    Correct
  • B
    It is impure
  • C
    It contain harmful wastes
  • D
    It is poisonous
2
Water vapour changes into water by the process of
  • A
    Sedimentation
  • B
    Condensation
    Correct
  • C
    Melting
  • D
    Evaporation
3
Percolation of water is slow in cities due to
  • A
    Presence of rivers and ponds
  • B
    Presence of large parks
  • C
    Absence of large buildings
  • D
    Absence of open soil
    Correct
4
The layer of water inside the earth surface is called
  • A
    Water table
  • B
    Water cycle
  • C
    Gravitational water
  • D
    Aquifers
    Correct
5
Waste water can be purified naturally by
  • A
    Thick layers of concrete road
  • B
    Layers of soil
    Correct
  • C
    Rivers
  • D
    Ponds
6
When ice cold water is placed in a glass, water droplets appear on outer surface due to
  • A
    All of these
  • B
    Passing of water through glass wall
  • C
    Absorption of water from atmosphere
  • D
    Condensation of water vapour in air
    Correct
7
Recycling of water involve
  • A
    Evaporation, vaporization and condensation
    Correct
  • B
    Melting and evaporation only
  • C
    Evaporation and vaporization only
  • D
    Condensation and freezing only
8
Which of the following phenomenon occurs at all temperature?
  • A
    Evaporation
    Correct
  • B
    Vaporization
  • C
    Condensation
  • D
    Melting
9
Common salt is obtained from sea water by the process of
  • A
    Conservation
  • B
    Vaporization
  • C
    Condensation
  • D
    Evaporation
    Correct
10
Two process that add water to continuously into atmosphere are
  • A
    Vaporization and melting
  • B
    Evaporation and condensation
  • C
    Melting and freezing
  • D
    Vaporization and evaporation
    Correct
11
In which of the day to day activity maximum amount of water is utilized?
  • A
    Bathing
    Correct
  • B
    Brushing
  • C
    Drinking
  • D
    Hand washing
12
Availability of water is
  • A
    Equal in all regions
  • B
    Vary due to habits of people
  • C
    Unequal in different regions
    Correct
  • D
    Change from time to time
13
In which of the following process water is released
  • A
    Photosynthesis
  • B
    Respiration
    Correct
  • C
    Sedimentation
  • D
    Combustion
14
The famous rhyme “water water everywhere nor any drop to drink” is about
  • A
    River
  • B
    Ponds
  • C
    Lake
  • D
    Sea or ocean
    Correct
15
Which of the following process plays important role in bringing back the atmospheric water on earth?
  • A
    Freezing
  • B
    Melting
  • C
    Condensation
    Correct
  • D
    Evaporation