| List-I | List-II | ||
| A. | Adenosine | I. | Nitrogen base |
| B. | Adenylic acid | II. | Nucleotide |
| C. | Adenine | III. | Nucleoside |
| D. | Alanine | IV. | Amino acid |
| 1. | A-III, B-II, C-I, D-IV | 2. | A-II, B-III, C-I, D-IV |
| 3. | A-III, B-IV, C-II, D-I | 4. | A-III, B-II, C-IV, D-I |
| 1. | Fatty acid | 2. | Monosaccharide |
| 3. | Amino acid | 4. | Nucleic acid |
| 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.) |
| 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. |
| Statement I: | Amino acids have a property of ionizable nature of –NH2 and –COOH groups, hence have different structures at different pH. |
| Statement II: | Amino acids can exist as Zwitterionic form at acidic and basic pH. |
| 1. | Both Statement I and Statement II are correct. |
| 2. | Both Statement I and Statement II are incorrect. |
| 3. | Statement I is correct but Statement II is incorrect. |
| 4. | Statement I is incorrect but Statement II is correct. |
Identify the basic amino acid from the following.
| 1. | Glutamic Acid | 2. | Lysine |
| 3. | Valine | 4. | Tyrosine |
Identify the statement which is incorrect.
| 1. | Sulphur is an integral part of cysteine. |
| 2. | Glycine is an example of lipids. |
| 3. | Lecithin contains a phosphorus atom in its structure. |
| 4. | Tyrosine possesses an aromatic ring in its structure. |