Hypnotic drug among the given options is: 

1. Metaldehyde 

2. Acetaldehyde

3. Paraldehyde 

4. None of these

Sulpha drugs are used for:

1. Removing bacteria.

2. Precipitating bacteria.

3. Stopping the growth of bacteria. 

4. Decreasing the size of bacteria.

Chemical that can acts as monopropellant among the following options is:

1. 

2. ${\mathrm{H}}_3\mathrm{C}-\mathrm{O}-\mathrm{N}=\mathrm{O}$

3. Kerosene

4. Alcohol

Equanil is used as: 

1.  Analgesic

2.  Antibiotic

3.  Tranquilizer

4.  Antacid

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

The molecule among the following that acts as an antiseptic is -

1. Iodine + C₂H₅OH 

2. Boric acid

3. H₂O₂ 

4. All of the above

Cetyltrimethyl ammonium bromide is an example of :

1. Artificial sweetener
2. Cationic detergent
3. Soap
4. Anionic detergent

The molecule among the following that is an antidepressant is:

1. Chloroxylenol

2. Bithional

3. Cocaine

4. Penicillin-G

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