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Online Tests
Chemistry 10th Class English Medium Unit 14 Online Test MCQs With Answers
Question # 1
Which gas is produce by the electrical lightening of air.
Choose an answer
NO
SO
2
SO
3
CO
2
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Question # 2
The stratosphere layer is at height above the earth's surface.
Choose an answer
0-12 km
12-50 km
50-85 km
65-120 km
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Question # 3
PAN stands for
Choose an answer
Poly aniline nitrate
Proxy acetyl nitrate
Poly acetyl nitrite
Proxy acetyl nitrite
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Question # 4
At which region all weather occurs?
Choose an answer
Troposphere
Stratosphere
Mesosphere
Thermosphere
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Question # 5
The Earth's atmosphere is getting hotter because of.
Choose an answer
Increasing concentration of CO
Increasing concentration of CO
2
Increasing concentration of O
3
Increasing concentration of SO
2
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Question # 6
The gas used by animals to perform respiration.
Choose an answer
O
2
N
2
SO
2
Cl
2
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Question # 7
Normal rain water is:
Choose an answer
weakly acidic
strongly acidic
weakly basic
strongly basic
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Question # 8
75% atmosphere mass lies in how many kilometers.
Choose an answer
11 km
30 km
50 km
85 km
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Question # 9
How much amount of sunlight reaches up to earth and absorbed:
Choose an answer
26%
32%
50%
18%
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Question # 10
Major portion of ozone layer is foun in.
Choose an answer
Troposphere
Stratosphere
Mesosphere
Thermosphere
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Question # 11
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 # 12
Ultraviolet radiations can causes.
Choose an answer
Hepatitis
Asthma
Skin cancer
Night blindness
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Question # 13
Atmosphere has regions.
Choose an answer
One
Two
Three
Four
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