Who discovered the first Earth-twin exoplanet candidate? MCQ with Answer and Explanation

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Who discovered the first Earth-twin exoplanet candidate?

A. Michel Mayor

B. Kepler-452b

C. NASA

D. Both

Answer: Option B

Solution (By JKSSB Mock Tests)

Kepler-452b.

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Question #1

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Which was the first human-made satellite to orbit the Earth?

A. Luna 2

B. Sputnik 1

C. Explorer 1

D. Vanguard 1

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Correct Answer: Option B

Explanation:
The Soviet Union launched Sputnik 1 in 1957, making it the first artificial satellite to orbit Earth.

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Question #2

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

A. Expedition

B. Historical

C. Local

D. Modern

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Correct Answer: Option C

Explanation:
Early ascents.

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Question #3

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Who was the first woman to win the Best Picture Oscar as producer?

A. Donna Gigliotti

B. Teams

C. Kathleen Kennedy

D. Julia Phillips

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Correct Answer: Option D

Explanation:
Julia Phillips for 'The Sting'.

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

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