Who is credited with the invention of the telephone in 1876? MCQ with Answer and Explanation

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Who is credited with the invention of the telephone in 1876?

A. Thomas Edison

B. Alexander Graham Bell

C. Guglielmo Marconi

D. Elisha Gray

Answer: Option B

Solution (By JKSSB Mock Tests)

Alexander Graham Bell received the first US patent for the telephone in March 1876.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Who discovered the therapeutic potential of the anti-malarial drug Artemisinin, winning a Nobel Prize in 2015?

A. Ronald Ross

B. Tu Youyou

C. Charles Laveran

D. Satoshi Ōmura

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Correct Answer: Option B

Explanation:
Tu Youyou extracted artemisinin from sweet wormwood plants based on traditional Chinese medical texts, saving millions from malaria.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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Who invented the mechanical cotton spinning machine known as the 'Spinning Jenny' in 1764?

A. James Hargreaves

B. Eli Whitney

C. Richard Arkwright

D. Samuel Crompton

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Correct Answer: Option A

Explanation:
James Hargreaves invented the multi-spool spinning frame, significantly accelerating yarn production in early textile factories.

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Question #3

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Who discovered the planet Uranus in 1781?

A. Christiaan Huygens

B. Giovanni Cassini

C. Galileo Galilei

D. William Herschel

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Correct Answer: Option D

Explanation:
William Herschel discovered Uranus using a telescope he built himself, making it the first planet discovered in modern history.

This question belongs to: Static General Knowledge Inventions and Discoveries

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