Q. No.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.
Match the following:
| Column-I | Column-II | ||
| (a) | Aquaporin | (i) | Amide |
| (b) | Asparagine | (ii) | Polysaccharide |
| (c) | Abscisic acid | (iii) | Polypeptide |
| (d) | Chitin | (iv) | Carotenoids |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (ii) | (iii) | (iv) | (i) |
| 3. | (ii) | (i) | (iv) | (iii) |
| 4. | (iii) | (i) | (ii) | (iv) |
Role of enzyme in reactions is to:
| 1. | Decrease activation energy | 2. | Increase activation energy |
| 3. | Act as an inorganic catalyst | 4. | None of the above |
Which of the following are not secondary metabolites in plants?
| 1. | Vinblastin, curcumin | 2. | Rubber, gums |
| 3. | Morphine, codeine | 4. | Amino acids, glucose |
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 |
Identify the incorrect pair.
| 1. | Lectins - Concanavalin A | 2. | Drugs - Ricin |
| 3. | Alkaloids - Codeine | 4. | Toxin - Abrin |
Following are the statements with reference to 'lipids'.
| (a) | Lipids having only single bonds are called unsaturated fatty acids. |
| (b) | Lecithin is a phospholipid. |
| (c) | Trihydroxy propane is glycerol. |
| (d) | Palmitic acid has 20 carbon atoms including carboxyl carbon. |
| (e) | Arachidonic acid has 16 carbon atoms. |
You have to choose the correct statements out of the five given above. Choose the correct answer from the options given below:
| 1. | (b) and (c) only | 2. | (b) and (e) only |
| 3. | (a) and (b) only | 4. | (c) and (d) only |
Which one of the following is the most abundant protein in animals?
| 1. | Collagen
|
2. | Lectin
|
| 3. | Insulin
|
4. | Hemoglobin |
Identify the basic amino acid from the following.
| 1. | Glutamic Acid | 2. | Lysine |
| 3. | Valine | 4. | Tyrosine |
Identify the substances having a glycosidic bond and peptide bond, respectively in their structure:
1. Glycerol, trypsin
2. Cellulose, lecithin
3. Inulin, insulin
4. Chitin, cholesterol
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