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Online Tests
General Science 9th Class English Medium Chapter 6 Online Test MCQs With Answers
Question # 1
It is used in microprocessor of computer
Choose an answer
chromite 
aluminium
silicon
iron
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Question # 2
The rock from which minerals can be obtained are called:
Choose an answer
silicons
ores
metals
gem stone
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Question # 3
Ultra violet radiations can cause.
Choose an answer
Cancer
Eye disease
None
Both a and b
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Question # 4
Water pollution can cause.
Choose an answer
Cholera
Typhoid
Cancer
Both a and b
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Question # 5
At present average annual population growth rate in Pakistan is 2.6 percent. In how many year it will become double? 
Choose an answer
47 year 
37 year 
17 year
27 year 
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Question # 6
Major cause of depletion of zone layer is.
Choose an answer
Oxygen
Hydrogen
Chlorofluorocarbons
Hydrocarbons
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Question # 7
The height of troposphere above earth's surface is
Choose an answer
10 km 
18 km
20 km 
40 km 
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Question # 8
The height of Stratosphere form sea level is.
Choose an answer
50 km
55 km
60 km
45 km
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Question # 9
Water polythene bags can cause.
Choose an answer
Cholera
Choking of drains
Cancer
Typhoid
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Question # 10
The temperature in measophere can be low as.
Choose an answer
-150
o
C
-100
o
C
100
o
C
-200
o
C
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Question # 11
Thickness of atmosphere is.
Choose an answer
200 km
1000 km
1200 km
1600 km
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Question # 12
Where the ozone make a protective layer?
Choose an answer
Troposphere 
Stratosphere 
Mesosphere 
Thermosphere  
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Question # 13
The percentage of carbon dioxide in Air is:
Choose an answer
40%
0.4%
0.04%
33%
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Question # 14
The percentage of oxygen in Air is
Choose an answer
78%
21%
0.04%
33%
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Question # 15
Meat and eggs are rich in 
Choose an answer
carbohydrates 
proteins 
glucose 
vitamin 
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