Vaccination

Options

A. develops resistance against the attack of a disease
B. can control every disease
C. kills all the disease causing organisms in the area
D. involves the use of antibodies.

Answer

A

Explanation

Vaccination is a technique to develop immunity in individuals without actual infection. In vaccination, a preparation of antigenic protein of pathogens or weakened or dead pathogens are injected into a person who is required to be immune. The pathogens, given in a vaccine are unable to cause a disease but are sufficient to generate the immune response.