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Online Tests
Biology Fsc Part 1 Chapter 2 Online Test MCQs With Answers
Question # 1
Globular proteins differ from fibrous proteins in
Choose an answer
Having more amino acids
Their repeating units joined by peptide bond
Being soluble in aqueous medium
Being non-crystalline
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Question # 2
Which one of the following is not a polysaccharide.
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Chitin
Cutin
pectin
Dextrin
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Question # 3
Glycogen in found abundantly in
Choose an answer
Liver
Muscles
Kidney
Both a and b
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Question # 4
The percentage by weight of RNA in a bacteria cell is.
Choose an answer
0.25%
2%
3%
6%
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Question # 5
Chemical nature of most cellular secretions is.
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Proteins
Lipids
Glyco proteins
Carbohydrates
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Question # 6
Enzymes are
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Polysaccharides
Proteins
Steroids
Triglyceride
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Question # 7
The basic element of organic compound is
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Hydrogen
Carbon
Nitrogen
Oxygen
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Question # 8
Helical shape of polypeptide is due to present within molecule.
Choose an answer
Covalent bond
Hydrogen bond
Disulphide bond
Peptide bond
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Question # 9
the molecule formed by two amino acids is called.
Choose an answer
Peptide linkage
dipeptide
Both A and C
Peptide bond
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Question # 10
Cotton is apure
Choose an answer
Cellulose
Poly saccharide
Both a and b
None of these
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Question # 11
Which one of the following kinds of atom does not occur in carbohydrates
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Carbon
Hydrogen
Nitrogen
Oxygen
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Question # 12
Human tissue contains about 20% water in.
Choose an answer
Kidney
Bone cells
skin cells
Brain cells
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Question # 13
The specific heat of vaporization of water Kcal/kg is
Choose an answer
457 kcal/kg
574 kcal/kg
547 kcal/kg
475 kcal/kg
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Question # 14
When a protein undergoes a hydrolysis reaction the end-products are
Choose an answer
Amino acid
Monosaccharides
Fatty acids
Nucleotides
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Question # 15
The most abundant carbohydrates in nature is
Choose an answer
Starch
Cellulose
Maltose
Glucose
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Question # 16
The melting point of palmitic acid is
Choose an answer
-8
o
C
34
o
C
63.1
o
C
55.6
o
C
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Question # 17
Human tissues contains about 20% water in.
Choose an answer
Brain cells
Bone cells
Kidney cells
Skin cells
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