A medicine which contain dead or weakened germs is used to prevent infectious disease is called a

Diseases which are caused by micro-organisms are called

A. contagious

B. venereal

C. infectious

D. incurable

Viruses are made up of

A. DNA

B. RNA

C. protein coat

D. all of them

Transfusion of infected blood is main reason for spread of diseases like

A. AIDS

B. Hepatitis B

C. both a and b

D. Polio

The use of organisms specially micro-organisms in the manufacture or industrial processes is called

A. biotechnology

B. bioengineering

C. chemical process

D. genetic engineering

Polio can lead to

A. paralysis

B. nervous system distracted

C. both a and b

D. eye diseases