Q. No.Read the following statement (A-D) :-
(a) Each protein is a polymer of amino acids.
(b) A protein is a hetero polymer and not a
homopolymer.
(c) Dietary proteins are the source of essential
amino acid.
(d) Collagen is the most abundant protein in
whole of the biosphere.
How many of the above statement are right ?
1. Three
2. One
3. Two
4. Four
Similarity between Inulin, Lecithin and Insulin is -
1. All are polymeric compound.
2. All are natural polypeptides.
3. All contains C,H,O and N.
4. None of these.
Which one is the most abundant protein in the animal world?
1. Collagen
2. RUBISCO
3.Trypsin
4. Insulin
Which protein is found in the maximum amount:
1. Catalase
2. Zinc carbonic anhydrase
3. Transferase
4. RUBISCO
The “primary structure” of a protein refers to:
1. coiling due to hydrogen bonding between amino acids
2. the alpha helix or pleated sheets
3. the side groups of the amino acids
4. the number and sequence of amino acids
1. they are linear chains.
2. they are polymers of peptide monomers.
3. successive amino acids are joined by peptide bonds.
4. they can assume many conformations.
An example of protein with quaternary structure is
1. Myoglobin
2. Hemoglobin
3. Keratin
4. All of these
| Statement I: | A protein is imagined as a line, the left end represented by first amino acid (C-terminal) and the right end represented by last amino acid (N-terminal). |
| Statement II: | Adult human haemoglobin, consists of 4 subunits (two subunits of \(\alpha\) type and two subunits of ẞ type.) |
In the light of the above statements, choose the correct answer from the options given below:
| 1. | Statement I is false but Statement II is true. |
| 2. | Both Statement I and Statement II are true. |
| 3. | Both Statement I and Statement II are false. |
| 4. | Statement I is true but Statement II is false. |
Match List -I with List - II.
| List-I | List-II | ||
| (a) | Protein | I. | C-C double bonds |
| (b) | Unsaturated fatty acid | II. | Phosphodiester bonds |
| (c) | Nucleic acid | III. | Glycosidic bonds |
| (d) | Polysaccharides | IV. | Peptide bonds |
Choose the correct answer from the options given below:
| Options: | (a) | (b) | (c) | (d) |
| 1. | II | I | IV | III |
| 2. | IV | III | I | II |
| 3. | IV | I | II | III |
| 4. | I | IV | III | II |
| List-I | List-II | ||
| (A) | Protein | (I) | C=C double bonds |
| (B) | Unsaturated fatty acid | (II) | Phosphodiester bond |
| (C) | Nucleic acid | (III) | Glycosidic bonds |
| (D) | Polysaccharide | (IV) | Peptide bonds |
| Options: | (A) | (B) | (C) | (D) |
| 1. | II | I | IV | III |
| 2. | IV | III | I | II |
| 3. | IV | I | II | III |
| 4. | I | IV | III | II |
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