Who invented the traffic light? MCQ with Answer and Explanation

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Who invented the traffic light?

A. J.P. Knight

B. William Potts

C. Garrett Morgan

D. Lester Wire

Answer: Option C

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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Who discovered the first rogue world candidate?

A. Multiple

B. Both

C. CFBDSIR 2149-0403

D. PSO J318.5-22

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Correct Answer: Option B

Explanation:
Early free-floating planets.

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Question #2

Who was the first woman to win the Best Makeup Oscar?

A. Christien Tinsley

B. Rick Baker team

C. Various

D. Early winners

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Correct Answer: Option A

Explanation:
Women have contributed significantly.

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Question #3

Which was the first country to host a FIFA World Cup final in a stadium built specifically for the event?

A. Mexico

B. France

C. Uruguay

D. Brazil

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Correct Answer: Option C

Explanation:
Uruguay built the Estadio Centenario for the 1930 World Cup.

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