Class 7 Water A Precious Resource CBSE Questions & Answers

Class 7 · Water A Precious Resource

This is Science Class 7 Water A Precious Resource CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Which one is a common source of drinking water?
  • A
    Ocean water
  • B
    River and lake
    Correct
  • C
    Spring water
  • D
    Sea water
2
No rain or very less rain causes
  • A
    Soil unfertile.
  • B
    Soil fertile
  • C
    Drought
    Correct
  • D
    Flood
3
Changing of water vapour into water is called
  • A
    Transpiration
  • B
    Evaporation
  • C
    Condensation
    Correct
  • D
    Freezing
4
Which of the following statements is correct about ground water?
  • A
    It is trapped inside the rocks
    Correct
  • B
    It is important part of water cycle
  • C
    It is main source of irrigation
  • D
    It is formed by evaporation
5
If a person consumes contaminated water, he may suffer from the disease called
  • A
    Tuberculosis
  • B
    Malaria
  • C
    Skin disease
  • D
    Jaundice
    Correct
6
Which natural resource constitutes the most part of cell?
  • A
    Water
    Correct
  • B
    Minerals
  • C
    Proteins
  • D
    Vitamins
7
Which metabolic process of human being also contributes in water cycling?
  • A
    Transportation
  • B
    Respiration
    Correct
  • C
    Digestion
  • D
    Photosynthesis
8
Water is a compound of
  • A
    Oxygen and Carbon
  • B
    Oxygen and Nitrogen
  • C
    Hydrogen and Oxygen
    Correct
  • D
    Hydrogen and Carbon
9
Sea water cannot be used for drinking because it is
  • A
    Without Oxygen
  • B
    Polluted
  • C
    Dirty
  • D
    Hard
    Correct
10
The water present in gaseous form in atmosphere is
  • A
    Water vapour
    Correct
  • B
    Water attached with celestial bodies
  • C
    Water changed into hydrogen and oxygen
  • D
    Water held with dust
11
The natural resource that exist in all three state of matter is
  • A
    Water
    Correct
  • B
    Petrol
  • C
    Soil
  • D
    Coal
12
Soap do not form foam with
  • A
    Hard water
    Correct
  • B
    Cold water
  • C
    Hot water
  • D
    Pond water
13
Water can be conserved by
  • A
    Water cycle
  • B
    Filtration
  • C
    Purification
  • D
    Rain water harvesting
    Correct
14
Air: mixture:: water: ?
  • A
    Mixture
  • B
    Element
  • C
    Solution
  • D
    Compound
    Correct
15
Water is a ___________ natural resource?
  • A
    Exhaustible
  • B
    All of these
  • C
    Renewable
    Correct
  • D
    Non-renewable