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Online Tests
Chemistry 10th Class English Medium Unit 14 Online Test MCQs With Answers
Question # 1
Which gas is also known as life gas for plants.
Choose an answer
CO
CO
2
O
2
NO
2
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Question # 2
How many percentage of sunlight is absorbed by atmosphere gases.
Choose an answer
12%
18%
24%
30%
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Question # 3
Which gas acts as a glass wall of a green house?
Choose an answer
Oxygen
Carbon dioxides
sulphur dioxide
Hydrogen
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Question # 4
99% of atmosphere consists of .
Choose an answer
N
2
and H
2
N
2
and O
2
N
2
and CO
2
O
2
and CO
2
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Question # 5
Ozone is an allotropic form of
Choose an answer
Carbon
Oxygen
Sulphur
Phosphorous
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Question # 6
The range of temperature in burning solid waste burning in incinerators is.
Choose an answer
650
o
C - 1000
o
C
650
o
C - 11000
o
C
1000
o
C - 2000
o
C
650
o
C - 1000
o
C
5000
o
C - 1000
o
C
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Question # 7
About 99% atmosphere's lies within:
Choose an answer
30 kilometre
35 kilometre
15kilometre
11 kilometre
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Question # 8
Atmosphere is divided into;
Choose an answer
3 regions
4 regions
5 regions
6 regions
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Question # 9
The percentage by volume of nitrogen in dry gas is.
Choose an answer
78.09%
20.94%
0.93%
0.03%
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Question # 10
The waste products driven out because of the combustion of fossil fuels.
Choose an answer
Primary pollutant
Secondary pollutant
Tertiary pollutant.
None of them
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Question # 11
What gas is the major constituent of troposphere?
Choose an answer
Nitrogen
Oxygen
Hydrogen
Both a and b
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Question # 12
How many atmospheric temperature increase every year due to accumulation of CO
2
in air.
Choose an answer
0.03
o
C
0.05
o
C
1
o
C
2
o
C
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Question # 13
The layer above troposphere extend upto 50 kilometers called.
Choose an answer
Mesosphere
Hydrosphere
Stratosphere
Thermosphere
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