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Online Tests
General Science 9th Class English Medium Chapter 6 Online Test MCQs With Answers
Question # 1
The percentage of carbon dioxide in Air is:
Choose an answer
40%
0.4%
0.04%
33%
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Question # 2
Teh total number of persons living in an area is called.
Choose an answer
Species
Population
Community
habitat
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Question # 3
Water pollution can cause.
Choose an answer
Cholera
Typhoid
Cancer
Both a and b
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Question # 4
Water polythene bags can cause.
Choose an answer
Cholera
Choking of drains
Cancer
Typhoid
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Question # 5
The total number of people living together in an area at a particular time is called
Choose an answer
special
population
community
habitat
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Question # 6
Where the ozone make a protective layer?
Choose an answer
Troposphere 
Stratosphere 
Mesosphere 
Thermosphere  
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Question # 7
Meat and eggs are rich in 
Choose an answer
carbohydrates 
proteins 
glucose 
vitamin 
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Question # 8
The percentage of oxygen in Air is
Choose an answer
78%
21%
0.04%
33%
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Question # 9
Smog can cause.
Choose an answer
Eye diseases
Lung diseases
Cancer
Typhoid
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Question # 10
The main causes of depletion of ozone layer is
Choose an answer
oxygen
hydrogen
chlorofluorocarbon
hydrocarbon
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Question # 11
The coldest layer of the atmosphere
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Troposphere 
Stratosphere 
Mesosphere 
Thermosphere 
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Question # 12
The height of Stratosphere form sea level is.
Choose an answer
50 km
55 km
60 km
45 km
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Question # 13
Ultra violet radiations can cause.
Choose an answer
Cancer
Eye disease
None
Both a and b
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Question # 14
About ........... percent population of Pakistan is dependent upon agriculture.
Choose an answer
90%
80%
60%
50%
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Question # 15
---- types of fishes are found in Pakistan.
Choose an answer
700
600
800
650
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