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
Air is found
  • A
    In empty vessels
  • B
    In holes only
  • C
    Everywhere
    Correct
  • D
    Above sea level only
2
Water bodies shown below is generally polluted due to
Question 2 figure 1
  • A
    Excessive rain
  • B
    Washing floor
  • C
    Untreated sewage
    Correct
  • D
    Vehicles
3
Increased humidity means increased presence of __________________ in air.
  • A
    Dust particles
  • B
    Water vapour
    Correct
  • C
    Pollen grain
  • D
    Carbon dioxide gas
4
Water can be conserved by
  • A
    Purification
  • B
    Filtration
  • C
    Rain water harvesting
    Correct
  • D
    Water cycle
5
Which type of air does not contain water vapour?
  • A
    Dry air
    Correct
  • B
    Warm air
  • C
    Moist air
  • D
    Polluted air
6
When water vapour come in contact of cool surface it
  • A
    Evaporate into air
  • B
    Condense to water droplets
    Correct
  • C
    Forms dry ice
  • D
    Change to ice
7
Aquatic organisms get oxygen for respiration from
  • A
    Atmosphere
  • B
    Breaking water
  • C
    Beneath the soil layer
  • D
    Water
    Correct
8
Which of the following is not a use of air?
  • A
    Respiration
  • B
    Winnowing
  • C
    Melting of ice
    Correct
  • D
    Photosynthesis
9
Which one is the major cause of water pollution?
  • A
    Industries
  • B
    Bathing and washing
  • C
    Agriculture
  • D
    Untreated sewage
    Correct
10
Wind mill is used to produce
  • A
    Electricity
    Correct
  • B
    Air
  • C
    Water
  • D
    Moisture
11
The water which is fit for human use is called
  • A
    Fresh water
    Correct
  • B
    Hard water
  • C
    Ground water
  • D
    Sea water
12
Air exert
  • A
    Weight
  • B
    Pressure
    Correct
  • C
    Heat
  • D
    Mass
13
Which disease is caused by drinking of contaminated water
  • A
    Cancer
  • B
    Diarrhea
    Correct
  • C
    Rabies
  • D
    Tuberculosis
14
Ozone layer in atmosphere protect us from
  • A
    Infra red
  • B
    UV rays
    Correct
  • C
    Pathogen
  • D
    Lung disease
15
The water that is fit for human consumption is called
  • A
    Fresh water
    Correct
  • B
    Ground water
  • C
    River water
  • D
    Sea water