Who discovered the first exoplanet with water vapor detection? MCQ with Answer and Explanation

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Who discovered the first exoplanet with water vapor detection?

A. Michel Mayor

B. Both

C. NASA

D. Hubble team

Answer: Option D

Solution (By JKSSB Mock Tests)

Exoplanet atmospheres.

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Question #1

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

A. Local

B. Historical

C. Expedition

D. Modern

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Correct Answer: Option A

Explanation:
Early ascents.

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Question #2

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Who was the first to reach the summit of Manaslu?

A. Reinhold Messner

B. Hermann Buhl

C. Toshio Imanishi

D. Fritz Moravec

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Correct Answer: Option C

Explanation:
Japanese expedition in 1956.

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Question #3

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Which country had the first written constitution in the world?

A. San Marino

B. France

C. USA

D. Norway

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Correct Answer: Option A

Explanation:
San Marino's Constitution (Statutes of 1600) is often cited as the oldest written constitution still in use.

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