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Chemistry 10th Class English Medium Unit 13 Online Test MCQs With Answers
Question # 1
Carbohydrates are synthesized by plants through.
Choose an answer
Respiration
Photosynthesis
Dehydrateion
Evaporation
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Question # 2
Glucose and fructose are.
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Pentose
Triose
Hexoses
None of these
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Question # 3
Formula of palmitic acid is.
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C
15
H
31
COOH
C
12
H
35
COOH
C
15
H
30
COOH
C
17
H
34
COOH
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Question # 4
RNA consists of
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Ribos
Pentose
Hexose
Trioses
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Question # 5
Carbohydrates are synthesized by plants through photosynthesis process which requires the following except.
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CO
2
and water.
Sunlight
O
2
Chlorophyll
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Question # 6
When glucose and fructose combine they produce
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Starch
Cellulose
Sucrose
None of these
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Question # 7
Essential components of every living all are.
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Nucleic acids
Enzymes
Lipids
Cell wall
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Question # 8
The most important oligosaccharide is:
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Sucrose
Glucose
Fractose
Maltose
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Question # 9
Photosynthesis process produce.
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Carbondioxide
Glucose and oxygen
Carbon di oxide
glucose and carbondoxide
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Question # 10
The general formula of carbohydrate is:
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C2n(H2O)
CN(H2O)n
Cn(H2O)2n
C2n(H2O)n
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Question # 11
The organic compound used as drugs to control bleeding are.
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Vitamins
Proteins
Lipids
Glycerides
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Question # 12
Number of vitamins in vitamin B complex is.
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10
8
6
12
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Question # 13
Ethyl butanoate smells like.
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Apple
Pine apple
Lemon
Melon
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