4
QuizMultiple Choice

The Immune System

Question 4 • Science 7 B (M12 25/26 S2)

When children are young and go to the doctor, the doctor will give them booster shots. This re-exposes the children to a dead portion of a disease to help them build immunity.Which type of immunity is described?

Answer
A
active
B
passive
C
antibiotic
D
phagocytic

Explanation

A booster shot exposes the immune system to a harmless form or part of a disease-causing organism, prompting the child’s body to make its own antibodies and memory cells. That is active immunity. Passive immunity involves receiving antibodies made by another person or source, while antibiotics and phagocytes are not types of immunity described here.

AI-written and checked against the verified answer.

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