Who invented the Pet Rock? MCQ with Answer and Explanation

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Who invented the Pet Rock?

A. Toy companies

B. Gary Dahl

C. Marketing genius

D. All

Answer: Option B

Solution (By JKSSB Mock Tests)

Gary Dahl created the Pet Rock.

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

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Question #1

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Who discovered the first multi-planet system?

A. Pulsar planets

B. Both

C. Kepler

D. Aleksander Wolszczan

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Correct Answer: Option D

Explanation:
Wolszczan discovered around pulsar.

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

Question #2

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Who discovered the first potentially habitable super-Earth?

A. Kepler team

B. Gliese 581g team

C. NASA

D. Both candidates

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Correct Answer: Option B

Explanation:
Controversial but early candidate.

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Question #3

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Who was the first to reach the summit of Mount St. Helens?

A. Historical

B. Explorers

C. Modern

D. Local Native Americans

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Correct Answer: Option D

Explanation:
Indigenous knowledge.

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

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