Who discovered X-rays? MCQ with Answer and Explanation

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Who discovered X-rays?

A. Marie Curie

B. Henri Becquerel

C. Pierre Curie

D. Wilhelm Röntgen

Answer: Option D

Solution (By JKSSB Mock Tests)

Wilhelm Röntgen discovered X-rays.

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

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Question #1

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Who discovered the first potentially habitable super-Earth?

A. Kepler team

B. NASA

C. Gliese 581g team

D. Both candidates

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Correct Answer: Option C

Explanation:
Controversial but early candidate.

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Question #2

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Who invented the polio vaccine?

A. Jonas Salk

B. Louis Pasteur

C. Edward Jenner

D. Albert Sabin

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Correct Answer: Option A

Explanation:
Jonas Salk developed the first successful polio vaccine.

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Question #3

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Who invented the crossword puzzle?

A. Arthur Wynne

B. Will Shortz

C. Eugene Maleska

D. Margaret Farrar

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Correct Answer: Option A

Explanation:
Arthur Wynne created the first crossword.

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

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