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Question-1
Which of the following is combustible?
(A)
Oxygen
(B)
Carbon dioxide
(C)
Hydrogen
(D)
All of these
Question-2
Which of the following plays a very important role in the oxygen cycle ?
(A)
Birds
(B)
Animals
(C)
Plants
(D)
Soil
Question-3
Which of the following statement is true regarding earth's atmosphere?
(A)
It gets denser with increase in altitude.
(B)
It gets thinner with increase in altitude.
(C)
Its thickness is at least one fourth the radius of the earth.
(D)
It contains no solid particles.
Question-4
The humidity of a place:
(A)
Lies between 10% to 20%
(B)
Is always more than 50%
(C)
Is always less than 80%
(D)
Varies from time to time
Question-5
Glass panes usually appear hazy because:
(A)
Of chemical reactions
(B)
Water vapour settling on the tiny dust particles
(C)
It is property of all transparent substances
(D)
They are old
Question-6
Lime water turns milky when exposed to air and stirred. This shows that air contains:
(A)
Carbon dioxide
(B)
Hydrogen
(C)
Nitrogen
(D)
Oxygen
Question-7
Which of the following can show the direction of wind?
(A)
Anemometer
(B)
Wind vane
(C)
Wind mill
(D)
Barometer
Question-8
Which of the following gases cause the harmful green house effect?
(A)
Hydrogen
(B)
Oxygen
(C)
Carbon dioxide
(D)
Nitrogen
Question-9
Smoke is an example of:
(A)
Liquid-in-gas mixture
(B)
Gas-in-solid mixture
(C)
Solid-in-gas mixture
(D)
Gas-in-liquid mixture
Question-10
All the plants require nitrogen for:
(A)
Reproduction
(B)
Photosynthesis
(C)
Transpiration
(D)
Growth
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Cambridge Secondary Grade 6
IGCSE
Practice in Related Chapters
Sources of Food
Fibre to Fabrics
The Habitat of the Living
Body Movements in Animals
Things Around Us
Changes Around Us
Plants-Form and Function
Different Kind of Materials
Water
Components of Food
Fun with Magnets
Light, Shadow and Reflection
Separating Substances
Electric Current and Circuits
Waste Management
Air
Motion and Measurement of Distances
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