A bacterial disease among the following is -

1. Hepatitis B

2. Common cold

3. Cholera 

4. Mumps

Which of the following is an alkaloid?

1. Nicotine 

2. Piperine 

3. Codeine 

4. All of these 

A space rocket is propelled by:

(1) an automobile engine 

(2) rocket propellant 

(3) nuclear submarine 

(4) steam engine 

To which class of dyes does phenolphthalein belong?

(1) Azo dyes 

(2) Nitro dyes 

(3) Triphenyl methane dyes 

(4) Phthalein dyes 

Which of the follwoing is not antibiotic ?

(1) Tetracyclin 

(2) Neomycin 

(3) Carbomycin 

(4) Cyclohexane

Phenacetin is used as:

(1) antipyrtic 

(2) antiseptic 

(3) antimalarial 

(4) analgesic 

Which of the following is used as an oxidizer in rocket propellants?

(1) Kerosene 

(2) nitric acid 

(3) Liquid oxygen 

(4) Liquid hydrogen 

An example of a liquid propellant is:

1. Nitro cellulose

2. HNO₃ + HCl

3. Hydrazine 

4. None of the above 

A large number of antibiotics have been isolated form 

(1) bacteria actinomycetes 

(2) acids 

(3) alkanols  

(4) bacteria rhizobium 

Hydrazine is a constituent of drugs that are used for the treatment of:

(1) typhoid 

(2) cholera 

(3) malaria 

(4) tuberculosis