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General Science 9th Class English Medium Chapter 2 Online Test MCQs With Answers
Question # 1
The density of ice at o°C is & nbsp
Choose an answer
0.918g/cm3
0.618g/cm3
0.718g/cm3
0.8/8 g/cm3
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Question # 2
Low iodine availability in humans causes the disease
Choose an answer
Goiter
Cancer
Tuberculosis
Cholera
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Question # 3
Which Gas is essential for proteins.
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Sulphur
Hydrogen
Nitrogen
Oxygen
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Question # 4
The percentage of nitrogen in air is
Choose an answer
76%
77%
78%
79%
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Question # 5
It is an important constituent of DNA and RNA our body
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Iron
Chlorine
Fluorine
Phosphorus
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Question # 6
Teh process of converting atompspheric nitrogen to useable from is called.
Choose an answer
Nitrogen cycle.
Carbon cycle
Nitrogen fixation
Water cycle
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Question # 7
The body of a young boy contains approximately... litres of water.
Choose an answer
10
25
35
45
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Question # 8
Iodine .......... 131 is used in treat the........................
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Cancer
Bone growth
Thyroid
Brain tumor
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Question # 9
It is an organic compound
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natural gas
ammonium
water
sodium chlorides
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Question # 10
It is not crystalline form of carbon
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charcoal
graphite
buckyballs
diamond
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Question # 11
Coke is formed in the absence of..........
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Carbon
Oxygen
Air
Hydrogen
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Question # 12
An essential component of haemoglobin
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sodium
Neon
iron
Aluminium
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Question # 13
The form of carbon which is not crystalline is.
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Charcoal
Graphite
Bucky Ball
Diamond
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Question # 14
The percentage of Neon by volume is.
Choose an answer
0.002
0.9
0.02
0.00055
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Question # 15
The process which increases the amount of carbon dioxide in air is called
Choose an answer
photosynthesis
respiration
oxidation
vaporization
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