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
Wind mills runs on
  • A
    Electricity
  • B
    Heat
  • C
    Water
  • D
    Air
    Correct
2
In cities, water supply is through
  • A
    Networks of pipes
    Correct
  • B
    Series of wells
  • C
    Tankers only
  • D
    Storage tanks
3
Combustion of coal produce
  • A
    Oxygen
  • B
    Carbon dioxide gas
    Correct
  • C
    Nitrogen
  • D
    Water vapour
4
We should not use ponds water for drinking without treating it because ponds water may be
  • A
    Poisonous
  • B
    Contaminated
    Correct
  • C
    High salt containing
  • D
    Devoid of minerals
5
During photosynthesis, the gas released is
  • A
    Oxygen
    Correct
  • B
    Sulpher dioxide
  • C
    Carbon dioxide
  • D
    Nitrogen
6
Which one is the most common cause of contamination of water in rural area?
  • A
    Defection in or around water bodies
    Correct
  • B
    Presence of aquatic organisms
  • C
    Soil present around the water bodies
  • D
    Addition of manure in field near water bodies
7
Which device can be used to remove air in the tin can?
  • A
    Refrigerator
  • B
    Audio player
  • C
    Vacuum pump
    Correct
  • D
    JMG
8
In water cycle, sun?s energy causes
  • A
    Evaporation
    Correct
  • B
    Circulation
  • C
    Condensation
  • D
    Percolation
9
Lowermost layer of atmosphere is called
  • A
    Ionosphere
  • B
    Troposphere
    Correct
  • C
    Mesosphere
  • D
    Stratosphere
10
Which of the following activity does not involve use of water?
  • A
    Drying wet clothes
    Correct
  • B
    Bathing
  • C
    Washing utensils
  • D
    Washing clothes
11
The process in which oxygen is breathed in is called
  • A
    Inhalation
    Correct
  • B
    Exhalation
  • C
    Transpiration
  • D
    Transfusion
12
Water vapour changes into water by the process of
  • A
    Melting
  • B
    Evaporation
  • C
    Condensation
    Correct
  • D
    Sedimentation
13
Most of the evaporation is carried out by
Question 13 figure 1
  • A
    Electric heater
  • B
    Coal
  • C
    Sun
    Correct
  • D
    Moon
14
Strong winds brings
  • A
    Hail
  • B
    Tornado
  • C
    Rain
  • D
    Storm
    Correct
15
When ice cold water is placed in a glass, water droplets appear on outer surface due to
  • A
    Passing of water through glass wall
  • B
    All of these
  • C
    Absorption of water from atmosphere
  • D
    Condensation of water vapour in air
    Correct