Who discovered the first potentially habitable exoplanet? MCQ with Answer and Explanation

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Who discovered the first potentially habitable exoplanet?

A. Both candidates

B. Michel Mayor

C. Kepler-186f team

D. Proxima Centauri b team

Answer: Option C

Solution (By JKSSB Mock Tests)

Kepler-186f was an early candidate.

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

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Question #1

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Who was the first to prove the Earth revolves around the Sun?

A. Nicolaus Copernicus

B. Johannes Kepler

C. Isaac Newton

D. Galileo Galilei

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Correct Answer: Option A

Explanation:
Copernicus proposed the heliocentric model.

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Question #2

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Who invented the vacuum cleaner?

A. Hubert Cecil Booth

B. Alexander Graham Bell

C. Thomas Edison

D. James Dyson

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Correct Answer: Option A

Explanation:
Hubert Cecil Booth patented the vacuum cleaner.

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Question #3

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Who was the first to reach the summit of Cho Oyu?

A. Tenzing Norgay

B. Edmund Hillary

C. Reinhold Messner

D. Herbert Tichy

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Correct Answer: Option D

Explanation:
Herbert Tichy led the first ascent.

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