Who discovered the first extrasolar planet around a main-sequence star? MCQ with Answer and Explanation

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Who discovered the first extrasolar planet around a main-sequence star?

A. Michel Mayor and Didier Queloz

B. Geoffrey Marcy

C. Aleksander Wolszczan

D. Debra Fischer

Answer: Option A

Solution (By JKSSB Mock Tests)

51 Pegasi b.

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 woman to win the Best Visual Effects Oscar as part of a team?

A. Recent winners

B. Pioneers

C. Teams including women

D. Denise Di Novi

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Correct Answer: Option C

Explanation:
Women in VFX teams.

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Question #2

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Which country used the first national paper currency?

A. Sweden

B. France

C. UK

D. China

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Correct Answer: Option D

Explanation:
Tang Dynasty China.

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Question #3

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Who was the first person to discover radioactive elements?

A. Ernest Rutherford

B. Wilhelm Röntgen

C. Marie and Pierre Curie

D. Henri Becquerel

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Correct Answer: Option C

Explanation:
The Curies isolated polonium and radium in 1898.

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