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
The nitrogen content in air is
- A21%
- B78%Correct
- C88%
- D68%
2
The ___________ makes the windmill to rotate.
- AOxygen
- BWindCorrect
- CWater vapour
- DNitrogen
3
The presence of air around can be proved by
- AFeeling it when movesCorrect
- BSeeing it
- CIts colour
- DSmelling it
4
Air is a __________ of some gases.
- ACompound
- BSuspension
- CMixtureCorrect
- DSolution
5
The active part of air is
- ACarbon dioxide
- BRare gases
- CCarbon monoxide
- DOxygenCorrect
6
A weather cock show the ___________ in which wind is blowing.
- ADirectionCorrect
- BNature
- CSpeed
- DHumidity
7
A gas used for wielding purpose is
- ANone of these
- BNitrogen
- COxygenCorrect
- DCarbon dioxide
8
Mountaineers carry oxygen ______________ with them, while climbing mountains.
- AFiler
- BBag
- CCylinderCorrect
- DMask
9
Which gas is produced on burning of fossil fuels
- ASulpher dioxide
- BNitrogen
- COxygen
- DCarbon dioxideCorrect
10
The nose and mouth of traffic police at crossing is covered with
- AHandkerchief
- BTowel
- CNets
- DMaskCorrect
11
Which of these applies to nitrogen?
- AIt helps in respiration
- BIt is 78% by volumeCorrect
- CIt help in photosynthesis
- DIt help in burning
12
Moisture in air is called
- AWater vapour
- BHumidityCorrect
- CRespiration
- DAtmosphere
13
In which of the following place quality of air is best?
- ABusy road crossing
- BBusy market place
- CParkCorrect
- DIndustrial area
14
This is used as a fuel in rockets for combustion of fuels
- ALiquid oxygen
- BHydrogenCorrect
- CNitrogen
- DCarbon dioxide
15
Finer hair inside the nose
- APrevent the carbon dioxide gas
- BPrevent the water vapour
- CFilter the dust particleCorrect
- DFilter the microbes