Delete the odd one

A condition that occurs when the immune system mistakenly attacks and destroys healthy body tissue is called

Active immunity is obtained by

Which of the following is an autoimmune disorder?

Assertion : Organ transplantation patients are given immunosuppressive drugs.

Reason : Transplanted tissue has antigens which stimulate the specific immune response of the recipient.

Why is mother's milk considered the most appropriate food for a new born infant ?