NEET2016Zoology-Human Health and Disease

NEET 2016 Zoology Immune System MCQ Question

Type: MCQ-conceptual-Medium-Class 12

In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormality and it attacks self-cells, then it leads to

A

auto-immune disease

B

active immunity

C

allergic response

D

graft rejection

Correct Answer

Option A

Detailed Explanation

Autoimmune diseases occur when the immune system mistakenly attacks the body's own cells, mistaking them for foreign invaders.

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