Among the following, the narrow-spectrum antibiotic is:

1. chloramphenicol

2. penicillin G

3. ampicillin

4. amoxicillin

The human body does not produce:

1. DNA

2. Vitamins

3. Hormones

4. Enzymes

Which one of the following is employed as a tranquilizer?

1. Equanil

2. Naproxen

3. Tetracycline

4. Chlorpheniramine

A compound among the following that can be used as a tranquilizer is: 

1. Promethazine

2. Valium

3. Naproxen

4. Mifepristone

Which of the following hormones is produced under the condition of stress which stimulates glycogenolysis in the liver of human being?

1. Thyroxin

2. Insulin

3. Adrenaline

4. Estradiol

Mixture of chloroxylenol and terpineol acts as:

1. Antiseptic

2. Antipyretic

3. Antibiotic

4. Analgesic

The artificial sweetener stable at cooking temperature that does not provide calories is-

1. Saccharin

2. Aspartame

3. Sucralose

4. Alitame

Which one of the following is employed as antihistamine?

1. Diphenyl hydramine

2. Norethindrone

3. Omeprazole

4. Chloramphenicol

The incorrect statement among the following is : 

1. A 0.2% solution of phenol is an antiseptic while 1 % solution acts as a disinfectant.

2. Chlorine and iodine are used as strong disinfectants.

3. Dilute solutions of boric acid and hydrogen peroxide, are strong antiseptics.

4. Disinfectants harm the living tissues.