Class 04 EVS Air And Water CBSE Questions & Answers

Class 4 · EVS Air And Water

This is Science and Social Science (EVS) class 04 EVS Air and Water CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Mountaineers carry oxygen ______________ with them, while climbing mountains.
  • A
    Filer
  • B
    Bag
  • C
    Cylinder
    Correct
  • D
    Mask
2
Water is natural resource which is
  • A
    Exhaustible
  • B
    All of above
  • C
    Exhaustible as well as inexhaustible
  • D
    Inexhaustible
    Correct
3
Which gas is produced on burning of fossil fuels
  • A
    Oxygen
  • B
    Sulpher dioxide
  • C
    Carbon dioxide
    Correct
  • D
    Nitrogen
4
Water above the 1000C is in
  • A
    Gaseous state
    Correct
  • B
    Solid state
  • C
    Liquid state
  • D
    Semi-liquid state
5
The nose and mouth of traffic police at crossing is covered with
  • A
    Mask
    Correct
  • B
    Towel
  • C
    Handkerchief
  • D
    Nets
6
Dew is the
  • A
    Melting of ice on mountain peaks
  • B
    Freezing of water in river and ponds
  • C
    Condensation of water vapour near the earth surface
    Correct
  • D
    Condensation of water vapour in atmosphere
7
Police men is wearing mask due to
Question 7 figure 1
  • A
    Cough
  • B
    Rain
  • C
    Pollution
    Correct
  • D
    Cold
8
In which of the following place quality of air is best?
  • A
    Park
    Correct
  • B
    Busy market place
  • C
    Busy road crossing
  • D
    Industrial area
9
About 70% of our body consists of
  • A
    Bone
  • B
    Minerals
  • C
    Water
    Correct
  • D
    Muscles
10
Finer hair inside the nose
  • A
    Filter the dust particle
    Correct
  • B
    Prevent the water vapour
  • C
    Filter the microbes
  • D
    Prevent the carbon dioxide gas
11
Which one is a common source of drinking water?
  • A
    Spring water
  • B
    River and lake
    Correct
  • C
    Sea water
  • D
    Ocean water
12
Winnowing is used to separate
  • A
    Sand from rice
  • B
    Grain form husk
    Correct
  • C
    Seeds from fruits
  • D
    Iron form other metals
13
No rain or very less rain causes
  • A
    Flood
  • B
    Drought
    Correct
  • C
    Soil unfertile
  • D
    Soil fertile
14
The layer of air around the earth surface is called
  • A
    Lithosphere
  • B
    Atmosphere
    Correct
  • C
    Stratosphere
  • D
    Hydrosphere
15
Sea water is not fit for drinking due to presence of
  • A
    Whale
  • B
    Salts
    Correct
  • C
    Aquatic plants
  • D
    Fishes