Class 6 Air Around Us CBSE Questions & Answers

Class 6 · Air Around Us

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

Questions & Answers

1
This is used as fuel in rockets for combustion of fuels
  • A
    Carbon dioxide
  • B
    Liquid nitrogen
  • C
    Liquid oxygen
    Correct
  • D
    Liquid carbon monoxide
2
Moving air is called
  • A
    Air cycle
  • B
    Hurricanes
  • C
    Moisture
  • D
    Wind
    Correct
3
Which of the following is a rare gas?
  • A
    Helium
    Correct
  • B
    Oxygen
  • C
    Carbon dioxide
  • D
    Nitrogen
4
Envelops of air surrounding the earth is called
  • A
    Ionosphere
  • B
    Stratosphere
  • C
    Atmosphere
    Correct
  • D
    Ozone layer
5
Wind is
  • A
    Moving air
    Correct
  • B
    Polluted air
  • C
    Fresh air
  • D
    Poisonous air
6
When air is passed through lime water it turn milky due to
  • A
    Water vapour
  • B
    Carbon dioxide
    Correct
  • C
    Nitrogen
  • D
    Oxygen
7
The burning of fossil fuels produces harmful
  • A
    Smog
  • B
    Smoke
    Correct
  • C
    Nitrogen
  • D
    Fog
8
Contents of water vapour in air depends on
  • A
    Time and altitude
  • B
    Location and time
  • C
    Location and temperature
    Correct
  • D
    Place and temperature
9
Which of the following is present in polluted air
  • A
    Poisonous gas and dust particles
    Correct
  • B
    Carbon dioxide and oxygen
  • C
    Water vapour and dust particles
  • D
    Oxygen and nitrogen
10
In soil air is present
  • A
    Above the soil
  • B
    Inside the particles
  • C
    In between particles
    Correct
  • D
    Below the soil
11
Which of the following given to patient suffering from respiratory problems?
  • A
    Nitrogen mask
  • B
    Oxygen mask
    Correct
  • C
    Helium mask
  • D
    Carbon dioxide mask
12
In soil air is present
  • A
    Above the soil
  • B
    Inside the particles
  • C
    Below the soil
  • D
    In between particles
    Correct
13
Animals living inside the soil intake oxygen from
  • A
    Water
  • B
    Moisture
  • C
    Soil
  • D
    Atmosphere
    Correct
14
Presence of harmful particle in air is called
  • A
    Air pollination
  • B
    Air pollution
    Correct
  • C
    Fragmentation
  • D
    Air cycle
15
Air is found
  • A
    Above sea level only
  • B
    In empty vessels
  • C
    In holes only
  • D
    Everywhere
    Correct