Who discovered the first super-Earth? MCQ with Answer and Explanation

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Who discovered the first super-Earth?

A. Michel Mayor

B. NASA

C. Both

D. Gliese 876 d team

Answer: Option D

Solution (By JKSSB Mock Tests)

Gliese 876 d.

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

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Question #1

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Which country had the first democracy?

A. Ancient Athens

B. Ancient Rome

C. Ancient Egypt

D. United States

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Correct Answer: Option A

Explanation:
Ancient Athens is considered to have established the first form of democracy around 508 BCE.

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

Question #2

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Who discovered oxygen?

A. Carl Wilhelm Scheele

B. Joseph Priestley

C. Antoine Lavoisier

D. All of the above

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Correct Answer: Option D

Explanation:
Priestley, Scheele, and Lavoisier contributed to its discovery.

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Question #3

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Who invented the crossword puzzle?

A. Eugene Maleska

B. Margaret Farrar

C. Arthur Wynne

D. Will Shortz

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Correct Answer: Option C

Explanation:
Arthur Wynne created the first crossword.

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