PrepBharat

1. Essential amino acids are those which are
a) Not synthesized by our body
b) Not required by our body
c) Synthesized by our body
d) Only used to form proteins

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2. The most abundant protein in animal world is
a) RuBisCo
b) Collagen
c) Elastin
d) Albumin

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3. The most abundant protein in whole biosphere is
a) RuBisCo
b) Collagen
c) Elastin
d) Albumin

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4. Protein acts as a
a) Enzyme
b) Receptor
c) Antibody
d) All of these

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5. Match the column:
Column I        Column II
A. Collagen  –  1. Hormone
B. Trypsin  –  2. Enzyme
C. Insulin  –  3. Fight Infectious agent
D. Receptor  –  4. Enable glucose transport into cells
E. GLUT–4  –  5. Sensory reception (smell, taste hormone)
F. Antibody – 6. Intercellular ground substance
a) A–3, B–2, C–4, D–1, E–6, F–5
b) A–6, B–2, C–1, D–5, E–4, F–3
c) A–1, B–4, C–2, D–5, E–3, F–6
d) A–2, B–4, C–5, D–3, E–1, F–6

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6. The macromolecular fraction is comprised by which of the following?
a) Polynucleotides
b) Polypeptides
c) Polysaccharides
d) All of these

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7. Protein is described by biologists at _________ levels.
a) 1
b) 2
c) 3
d) 4

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8. Sequence or positional information of amino acid is given by the
a) 2° structure
b) 1° structure
c) Tertiary structure
d) Quaternary structure

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9. In the primary structure of protein
a) Left end represents → 1st amino acid (C-terminal amino acid)
b) Right end represents → Last amino acid (N terminal amino acid)
c) Left end represents → 1st amino acid (N-terminal amino acid)
d) Right end represents → 1st amino acid (C-terminal amino acid)

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10.

Name the used amino acid in the above diagram.
a) Serine–Cysteine–Tyrosine–Glutamic acid
b) Serine–Methionin–Tryptophan–Glutamic acid
c) Serine–Methionin–Tyrosine–Aspartic acid
d) Serine–Cysteine–Tyrosine–Aspartic acid

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