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Assertion (A) : Vaccines prevent diseases. 

Reason (R)    : Vaccines must be given to children. 

  • A.Both A and R are true and R is the correct explanation of A.
  • B.Both A and R are true but R is NOT the correct explanation of A.
  • C.A is true but R is false.
  • D.A is false but R is true.

Answer: B

Correct answer: Both A and R are true but R is NOT the correct explanation of A.

Both statements are true - vaccines do prevent disease, and children should be vaccinated. But R is a recommendation that follows from A rather than a reason for it; what explains A is that a vaccine primes the immune system to recognise the pathogen. R does not explain A.

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