Who invented the first functional polymer-based synthetic rubber, Neoprene? MCQ with Answer and Explanation

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Who invented the first functional polymer-based synthetic rubber, Neoprene?

A. Charles Goodyear

B. Roy Plunkett

C. Leo Baekeland

D. Wallace Carothers

Answer: Option D

Solution (By JKSSB Mock Tests)

Wallace Carothers' research group at DuPont synthesized chloroprene polymer, marketing it as Neoprene in 1931.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

Who discovered the bacterium responsible for causing Tuberculosis (TB)?

A. Edward Jenner

B. Robert Koch

C. Alexander Fleming

D. Louis Pasteur

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Correct Answer: Option B

Explanation:
Robert Koch discovered Mycobacterium tuberculosis in 1882, establishing the germ theory of disease for TB.

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Question #2

The discovery of the first gas giant exoplanet orbiting a sun-like star (51 Pegasi b) was made by whom?

A. Clyde Tombaugh

B. Edwin Hubble

C. Carl Sagan

D. Michel Mayor and Didier Queloz

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Correct Answer: Option D

Explanation:
Michel Mayor and Didier Queloz discovered 51 Pegasi b in 1995 using highly precise radial velocity measurements, winning a Nobel Prize.

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Question #3

The invention of the common computing structural code system known as the ASCII format was directed by whom?

A. Bill Gates

B. Bob Bemer and the ASA committee

C. Dennis Ritchie

D. Alan Turing

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Correct Answer: Option B

Explanation:
Bemer led the standardization of the American Standard Code for Information Interchange in 1963, unifying electronic alpha-numeric notation.

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