Who invented the traffic light? MCQ with Answer and Explanation

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Who invented the traffic light?

A. Lester Wire

B. Garrett Morgan

C. J.P. Knight

D. William Potts

Answer: Option B

Solution (By JKSSB Mock Tests)

Garrett Morgan invented an improved traffic signal.

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 electric light?

A. Joseph Swan

B. Thomas Edison

C. Nikola Tesla

D. Humphry Davy

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Correct Answer: Option B

Explanation:
Edison created a commercially viable light bulb.

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

Question #2

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Who was the first President of the Republic of China?

A. Yuan Shikai

B. Mao Zedong

C. Sun Yat-sen

D. Chiang Kai-shek

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Correct Answer: Option C

Explanation:
Sun Yat-sen was the provisional first President.

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Question #3

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Who was the first woman to win the Nobel Prize in Literature?

A. Sigrid Undset

B. Pearl S. Buck

C. Grazia Deledda

D. Selma Lagerlöf

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Correct Answer: Option D

Explanation:
Selma Lagerlöf, a Swedish author, became the first woman to win the Nobel Prize in Literature in 1909.

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