Who invented the polio vaccine? MCQ with Answer and Explanation

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Who invented the polio vaccine?

A. Louis Pasteur

B. Albert Sabin

C. Jonas Salk

D. Edward Jenner

Answer: Option C

Solution (By JKSSB Mock Tests)

Jonas Salk developed the first successful polio vaccine.

This question belongs to: Static General Knowledge First in the World

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Question #1

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Which nation was the first to use jet fighters in combat?

A. Japan

B. UK

C. USA

D. Germany

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Correct Answer: Option D

Explanation:
The Messerschmitt Me 262, flown by Nazi Germany, was the first operational jet fighter in World War II.

This question belongs to: Static General Knowledge First in the World

Question #2

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Who was the first Secretary-General of the United Nations?

A. Dag Hammarskjöld

B. Trygve Lie

C. U Thant

D. Kurt Waldheim

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Correct Answer: Option B

Explanation:
Trygve Lie of Norway was the first UN Secretary-General.

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Question #3

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Who invented the pacemaker?

A. Wilson Greatbatch

B. Paul Zoll

C. Rune Elmqvist

D. John Hopps

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Correct Answer: Option A

Explanation:
Wilson Greatbatch invented the implantable pacemaker.

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