ICSE Class 8 Answered

Immunisation -

1. It is developing resistance to disease-producing germs or their toxins by introducing killed germs or germ substances to induce the production of specific antibodies. 

2. It may be achieved through vaccination.

Vaccination -

1. It is the introduction of any kind of dead or weakened germs into the body of a living being to develop immunity against the respective disease.

2. It may or may not result in successful immunization.