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WorksheetsAir around us
Total questions: 20
Worksheet time: 9mins
Look at the photo. This is an example of _____ pollution.
Water
Air
Land
The component of air used by green plants to make their food, is ___________.
Ozone layer
Carbon di-oxide
Hydrogen
Argon
How to prevent air pollution?
To plant trees
To use bicycles or public transport instead of using private vehicles.
All of the mentioned.
To share the seat in car or bike to other person or the friend who is coming or going to the same destination or place where we are going to go to
What layer protects us from the sun's harmful rays?
Protection layer
Ozone layer
Atmospheric layer
Which gas is released into the atmosphere by plants following photosynthesis?
Oxygen
Argon
Carbon dioxide
Nitrogen
The burning of fuel produces ______.
Dew
Wind
Smoke
__________ gas occupies the major part of composition of air.
Nitrogen
Oxygen
Carbon dioxide
Earth is surrounded by an envelope of gases called the _____________.
Hydrosphere
Solar system
Atmosphere
Cloud bubble
Makes three fourth part of total air.
Nitrogen
oxygen
Argon
Water Vapour
Which is not a property of air?
It occupies space
It is transparent
It is a solution.
It is a compound.
The ratio of nitrogen to oxygen in the air is
1:4
4:1
3:1
1:2
Wind is
air around us
rising hot air
air in motion
none of these
Which of the following gas helps in burning?
Nitrogen
Oxygen
Carbon dioxide
Water vapour and Argon
Arrange the following in descending order according to their percentage:
Nitrogen, Argon, Carbon dioxide, Oxygen
Nitrogen > Argon > Oxygen > Carbon dioxide
Nitrogen > Oxygen > Argon > Carbon dioxide
Oxygen > Carbon dioxide > Nitrogen > Argon
Argon > Carbon dioxide
Choose the odd one out
Rustling of leaves
Driving a car
Flying of kite
Blowing away of a newspaper
Statement 1: Police regulating traffic at a crowded crossing often wear a mask.
Statement 2: Mask filters carbon dioxide and sends pure oxygen inside
Both Statements are true
Both statements are false
Statement 1 is false and statement 2 is true
Statement 1 is true and statement 2 is false
Statement 1: Mountaineers carry oxygen cylinders with them while climbing high mountains.
Statement 2: The percentage of oxygen in the air decrease with increasing altitude.
Statement 1 is true and statement 2 is the correct explanation
Both statements are true
Statement 1 is true and statement 2 is false
Statement 1 is false and statement 2 is true
Air is not present in
Building
Ocean
Vaccum
Caves
