Q. No.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)
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. |
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
Match the following:
| (a) | Inhibitor of catalytic activity of succinate dehydrogenase | (i) | Ricin |
| (b) | Possess peptide bonds | (ii) | Malonate |
| (c) | Cell wall material in fungi | (iii) | Chitin |
| (d) | Secondary metabolite | (iv) | Collagen |
Choose the correct option from the following:
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (iii) | (iv) | (i) | (ii) |
| 3. | (ii) | (iii) | (i) | (iv) |
| 4. | (ii) | (iv) | (iii) | (i) |
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