Who invented the Koosh ball? MCQ with Answer and Explanation

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Who invented the Koosh ball?

A. Scott Stillinger

B. Mattel

C. Wham-O

D. Toy engineers

Answer: Option A

Solution (By JKSSB Mock Tests)

Scott Stillinger invented it.

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 person to develop a commercial vaccine?

A. Louis Pasteur

B. Robert Koch

C. Edward Jenner

D. Joseph Lister

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Correct Answer: Option C

Explanation:
Edward Jenner created the first smallpox vaccine in 1796.

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

Question #2

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Who was the first person to develop the theory of relativity?

A. Isaac Newton

B. Stephen Hawking

C. Albert Einstein

D. Max Planck

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Correct Answer: Option C

Explanation:
Albert Einstein developed both special and general relativity in the early 20th century.

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Question #3

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Who was the first person to identify the structure of insulin?

A. Banting and Best

B. John Macleod

C. James Collip

D. Frederick Sanger

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Correct Answer: Option D

Explanation:
Frederick Sanger determined the sequence of amino acids in insulin in 1955.

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

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