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9th Class General Science Chapter 2 Chemistry and Life English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
It is an organic compound
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natural gas
ammonium
water
sodium chlorides
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Question # 2
Low iodine availability in humans causes the disease
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Goiter
Cancer
Tuberculosis
Cholera
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Question # 3
The body of a young boy contains approximately... litres of water.
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10
25
35
45
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Question # 4
The percentage of Neon by volume is.
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0.002
0.9
0.02
0.00055
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Question # 5
The most common element in the universe is
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oxygen
hydrogen
nitrogen
iron
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Question # 6
The compounds consisting of Amino acids are called
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carbohydrate
Fast
Proteins
organic compounds
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Question # 7
The process which increases the amount of carbon dioxide in air is called
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photosynthesis
respiration
oxidation
vaporization
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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
Nitrogen occur in the atmosphere as................. molecules.
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Triatomic
Diatomic
Polyatomic
None of these
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Question # 10
If a key is stiff in a lock, rub the end of the key a soft pencil, which types of elements we obtain.
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Graphite
Silver
Gold
Paltinum
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Question # 11
One of the essential part of all living things on the earth
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carbon
nitrogen
hydrogen
oxygen
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Question # 12
The density of ice at o°C is & nbsp
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0.918g/cm3
0.618g/cm3
0.718g/cm3
0.8/8 g/cm3
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Question # 13
The percentage of nitrogen in air is
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76%
77%
78%
79%
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Question # 14
Which Gas is essential for proteins.
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Sulphur
Hydrogen
Nitrogen
Oxygen
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Question # 15
The deficiency of iodine in human body casue.
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Goiter
Cancer
Tuberculosis
Cholera
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