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PPSC Past Paper 2025 (Labour Officer)

PPSC · 2025 · Practice with instant answers and explanations

Practice Mode97 Past Paper MCQs
Question 49 of 97
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Question49
Past PaperPPSC

Who discovered the smallpox vaccine?

Correct Answer: Option B — Edward Jenner
Explanation:
Edward Jenner pioneered the smallpox vaccine in 1796.
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