Biomolecules NDA Questions

NDA BIOLOGY

Biomolecules MCQ Questions


7.
Which of the following is NOT a reducing sugar?
A.
Maltose
B.
Sucrose
C.
Glucose
D.
Fructose
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ANSWER :
B. Sucrose
8.
Lactose is hydrolyzed by lactase to give:
A.
Glucose + Galactose
B.
Glucose + Glucose
C.
Glucose + Fructose
D.
Galactose + Fructose
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ANSWER :
A. Glucose + Galactose
9.
The molecular formula of glucose is:
A.
C₅H₁₀O₅
B.
C₁₂H₂₂O₁₁
C.
C₆H₁₀O₅
D.
C₆H₁₂O₆
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ANSWER :
D. C₆H₁₂O₆
10.
Chitin, the structural polysaccharide of insect exoskeletons, is composed of:
A.
N-acetylglucosamine units
B.
Galactose units
C.
Fructose units
D.
Glucose units
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ANSWER :
A. N-acetylglucosamine units
11.
Proteins are polymers of:
A.
Amino acids
B.
Monosaccharides
C.
Fatty acids
D.
Nucleotides
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ANSWER :
A. Amino acids
12.
The bond that joins amino acids in a protein is called:
A.
Disulfide bond
B.
Ester bond
C.
Peptide bond
D.
Glycosidic bond
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ANSWER :
C. Peptide bond