Medicines should not be taken without consulting doctors because : 

1.	A medicine can bind to more than one receptor site.
2.	The medicine may be toxic for some receptor sites.
3.	Medicines cause harmful effects when taken in higher doses than recommended.
4.	All of the above.

The term chemotherapy means -

1. Use of chemicals for diagnosis.

2. Use of chemicals for prevention.

3. Use of chemicals for the treatment of diseases.

4. All of the above.

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:

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:

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: