Q. No.The main constituents of Dettol are:
1. Chloroxylenol and α-terpineol.
2. Toluene and phenol.
3. Aniline and benzene.
4. None of the above.
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.
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. |
The correct statement among the following during the cleansing action of soaps is:
| 1. | Hydrophobic parts of the stearate ions attach themselves to the oil droplets. |
| 2. | Hydrophilic parts of the stearate ions project outside the oil droplets. |
| 3. | Hydrophilic parts of the stearate ions attach themselves to the oil droplets. |
| 4. | Both (1) and (2) |
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
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. |
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
Match the medicines given in Column I with their uses given in Column II
| Column I | Column II |
| A. Ranitidine | 1. Tranquilizer |
| B. Furacine | 2. Antibiotic |
| C. Phenelzine | 3. Antihistamine |
| D. Chloramphenicol | 4. Antiseptic |
| A | B | C | D | |
| 1. | 1 | 4 | 3 | 2 |
| 2. | 2 | 4 | 1 | 3 |
| 3. | 3 | 4 | 1 | 2 |
| 4. | 3 | 1 | 4 | 2 |
Detergent that gets degraded by the action of bacteria are known as -
1. Non-biodegradable
2. Condensation
3. Biodegradable
4. Elastomers
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