Q. No.Forces that are involved in holding the drug to the active site of the enzyme are-
1. Ionic bonding
2. Hydrogen bonding
3. Dipole-dipole interaction
4. All of the above
Antacids and antiallergic drugs interfere with the function of histamines but do not interfere with the function of each other because:
| 1. | Antacids and anti-allergic drugs work on the same receptors. |
| 2. | Antacids and anti-allergic drugs work on different receptors. |
| 3. | Antacids and anti-allergic drugs work on different organs. |
| 4. | Antacids and anti-allergic drugs work on the same organs. |
Which of the following are antidepressants?
a. Iproniazid
b. Phenelzine
c. Equanil
d. Salvarsan
Choose the correct option
1. a, b and c
2. b, c and d
3. c, d and a
4. a, b and d
The main constituents of Dettol are:
1. Chloroxylenol and α-terpineol.
2. Toluene and phenol.
3. Aniline and benzene.
4. None of the above.
The tincture of iodine comprises of -
1. 6−7 % solution of alcohol in iodine-water mixture.
2. 6−7 % solution of iodine in alcohol-water mixture.
3. 2−3 % solution of alcohol in iodine-water mixture.
4. 2−3 % solution of iodine in alcohol-water mixture.
Artificial sweetening agents are:
| 1. | Chemicals that sweeten food and do not add calories to our body. |
| 2. | Chemicals that sweeten food and add calories to our body. |
| 3. | Chemicals that do not sweeten food and do not add calories to our body. |
| 4. | Chemicals that do not sweeten food and add calories to our body. |
Alitame should be avoided as an artificial sweetener because -
1. It adds calories.
2. It is required in higher quantities.
3. It gives a peculiar smell.
4. It is difficult to control the sweetness.
Synthetic detergents are better than soaps because:
| 1. | Synthetic detergents work both in soft water and hard water. |
| 2. | Soaps work both in soft water and hard water. |
| 3. | Synthetic detergents work only in hard water. |
| 4. | Soaps work only in hard water. |
Choose the correct statement:
| 1. | Detergents that can not be degraded by bacteria are called biodegradable detergents. |
| 2. | Biodegradable detergents have straight hydrocarbon chains. |
| 3. | Detergents that can be degraded by bacteria are called non-biodegradable detergents. |
| 4. | Biodegradable detergents have highly branched hydrocarbon chains. |
Soaps do not work in hard water because:
| 1. | Calcium and magnesium ions displace sodium or potassium from their salts and form insoluble calcium or magnesium salts of fatty acids. |
| 2. | Sodium or potassium ions displace calcium and magnesium from their salts and form insoluble calcium or magnesium salts of fatty acids. |
| 3. | Calcium and magnesium ions displace sodium or potassium from their salts and form insoluble sodium or potassium salts of fatty acids. |
| 4. | None of the above. |
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