Who discovered the first potentially habitable exoplanet around a Sun-like star? MCQ with Answer and Explanation

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Who discovered the first potentially habitable exoplanet around a Sun-like star?

A. NASA

B. Kepler-22b

C. Both

D. Michel Mayor

Answer: Option B

Solution (By JKSSB Mock Tests)

Kepler-22b.

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Question #1

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Who was the first woman to win the Best Cinematography Oscar?

A. Rachel Morrison (nominee)

B. Early pioneers

C. No winner yet in some categories

D. Reed Morano (director)

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Correct Answer: Option C

Explanation:
Women have been nominated but historic wins vary.

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Question #2

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Who was the first to reach the summit of Mount Tom?

A. Expedition

B. Local

C. Historical

D. Modern

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Correct Answer: Option B

Explanation:
Early ascents.

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Question #3

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Who invented the sewing machine?

A. Thomas Edison

B. Isaac Singer

C. Elias Howe

D. Alexander Graham Bell

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Correct Answer: Option C

Explanation:
Elias Howe invented the lockstitch sewing machine.

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