Who was the first person to discover radioactive elements? MCQ with Answer and Explanation

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Who was the first person to discover radioactive elements?

A. Marie and Pierre Curie

B. Henri Becquerel

C. Ernest Rutherford

D. Wilhelm Röntgen

Answer: Option A

Solution (By JKSSB Mock Tests)

The Curies isolated polonium and radium in 1898.

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Question #1

Which was the first country to host the FIFA World Cup?

A. Brazil

B. Italy

C. Argentina

D. Uruguay

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Correct Answer: Option D

Explanation:
Uruguay hosted and won the first FIFA World Cup in 1930.

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Question #2

Who was the first person to map the human body?

A. William Harvey

B. Galen

C. Leonardo da Vinci

D. Andreas Vesalius

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Correct Answer: Option D

Explanation:
Andreas Vesalius published 'De humani corporis fabrica' in 1543, revolutionizing anatomical knowledge.

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Question #3

Who discovered the first super-Earth in habitable zone?

A. Both

B. Kepler team

C. TRAPPIST-1

D. NASA

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Correct Answer: Option B

Explanation:
Kepler discoveries.

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