Biomolecules
LECTURE – 2
Ø Carbohydrates
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Daily Practice Paper
(DPP)
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1 . Monomeric unit of cellulose is
(a) Glucose
(b) Fructose
(c) Mannose
(d) Ribose
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2 . Monomeric unit of inulin is
(a) Glucose
(b) Fructose
(c) Mannose
(d) Ribose
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3 . Starch forms helical _________ structure that can hold _________ molecule and gives blue
colour.
(a) Primary, I2
(b) Secondary, I2
(c) Tertiary, I2
(d) Quaternary, I2
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4 . Select the incorrect statement from the following:
(a) Cellulose does not contain complex helices.
(b) Cellulose does not give colour with I2.
(c) Cotton fibre, plant cell wall are made up of cellulose.
(d) Cellulose is heteropolysaccharide.
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5 . Chitin is a
(a) Homopolysaccharide
(b) Heteropolysaccharide
(c) Oligosaccharide
(d) Monosaccharide
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6 . Chitin is made up of which of the following polymers ?
(a) NAG
(b) NAM
(c) Glycogen
(d) Amylose
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7 . Which of the following is most abundant biomolecule?
(a) Glucose
(b) Cellulose
(c) Starch
(d) Fructose
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8. Which of the following is incorrect about glycogen?
(a) It is a stored form of glucose in animals.
(b) In glycogen, the right end is reducing and the left end is non-reducing.
(c) It is a branched polymer of glucose.
(d) It is a stored form of glucose in plants.
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9. The bond formed between two adjacent monosaccharide is
(a) Peptide bond
(b) Ester bond
(c) Glycosidic bond
(d) Ionic bond
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10. Which of the following is a stored form of energy in plant?
(a) Starch
(b) Cellulose
(c) Glycogen
(d) Chitin
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(1) A
(2) B
(3) B
(4) D
(5) A
(6) A
(7) B
(8) D
(9) C
(10) A
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You Tube
Practice Question
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1. Polysaccharides are found in
1) Acid insoluble pellet
2) Retentate
3) Filterate
4) Both 1 and 2
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2. Polysaccharides are long chains of
1) Amino acids
2) Monosaccharides
3) Sugars
4) Both 2 and 3
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3. Polysaccharides are
1) Strictly homopolymers
2) Strictly heteropolymers
3) Both homopolymers and heteropolymers
4) Not polymers
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4. What is the similarity between cellulose and starch?
1) Both have glucose are their monomer
2) Both are branched
3) Both give blue colour with iodine
4) All of these
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5. _______ is the reducing end in a polysaccharide chain.
1) Left end
2) Right end
3) Helical end
4) Straight end
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6. Cellulose can be found in
1) Plant cell wall
2) Paper made from plant pulp
3) Cotton fibre
4) All of these
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7. Exoskeleton of arthropods is made up of
1) A tough proteinaceous cover
2) A homopolysaccharide
3) A starch layer
4) A heteropolysaccharide
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8. Glycogen is a homopolymer made of
1) Glucose
2) Galactose
3) Ribose
4) Amino acids
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9. The most abundant chemical in living organisms is a
1) Protein
2) Water
3) Sugar
4) Nucleic acid
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10. As starch is related to plant body, which of the following polysaccharides is related to
animal body?
1) Cellulose
2) Chitin
3) Glycogen
4) Inulin
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(1) 4
(2) 4
(3) 3
(4) 1
(5) 2
(6) 4
(7) 2
(8) 1
(9) 3
(10) 3
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