Penicillin obtained from a fungus is an . (antiseptic/antibiotic/antibody)

Name the process or term for the following statement.

Introduction of weakened or dead pathogens in the body to produce resistance against diseases. 

Name the process or term for the following statement.

Providing antibodies from outside for treating certain infectious disease.

Identify and name the following process/term from the statement given below:

The substances that are applied to the surroundings where germs thrive and multiply. (Antiseptics/Disinfectant/Sulphonamides)

Differentaite between the following pairs on the basis of what is mentioned within brackets:

Disinfectant and Antiseptic (definition).