Who discovered the structure of DNA? MCQ with Answer and Explanation

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Who discovered the structure of DNA?

A. James Watson and Francis Crick

B. Gregor Mendel

C. Rosalind Franklin

D. Linus Pauling

Answer: Option A

Solution (By JKSSB Mock Tests)

Watson and Crick proposed the double helix model.

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

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Question #1

Who discovered the first Earth-sized exoplanet?

A. Michel Mayor

B. NASA

C. Both

D. Kepler-20e team

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Correct Answer: Option D

Explanation:
Kepler mission.

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Question #2

Who invented the sewing machine?

A. Elias Howe

B. Alexander Graham Bell

C. Isaac Singer

D. Thomas Edison

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Correct Answer: Option A

Explanation:
Elias Howe invented the lockstitch sewing machine.

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Question #3

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

A. Christien Tinsley

B. Pioneers

C. Recent

D. Teams

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Correct Answer: Option A

Explanation:
Tinsley won for 'The Passion of the Christ'.

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