What is immunisation ?

Injection of antitoxin in tetanus confers which type of immunisation ?

What are natural rubbers and what are synthetic rubbers? What is vulcanisation? How does it improve the characteristics of rubbers?

What is Vaccination and Immunisation ?

The type of immunisation performed for treating snake bite.

Who started passive immunisation /antiserum therapy ?

Read the following statements and select the correct option. Statement 1 : Active immunity is developed when a person's own cells produce antibodies in reponse to infection or vaccine. Statement 2 : Injection of snake antivenom against snake bite is an example of active immunisation.