Who discovered the enzyme Lysozyme and later discovered penicillin? MCQ with Answer and Explanation

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Who discovered the enzyme Lysozyme and later discovered penicillin?

A. Louis Pasteur

B. Edward Jenner

C. Alexander Fleming

D. Howard Florey

Answer: Option C

Solution (By JKSSB Mock Tests)

Sir Alexander Fleming discovered lysozyme (an antimicrobial enzyme found in tears and saliva) in 1921 before discovering penicillin in 1928.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

The electron was discovered in 1897 by which of the following physicists?

A. John Dalton

B. J.J. Thomson

C. James Chadwick

D. Ernest Rutherford

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Correct Answer: Option B

Explanation:
J.J. Thomson discovered the electron through his experiments with cathode ray tubes in 1897.

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Question #2

The invention of the high-velocity steam engine turbine 'De Laval' type with convergent-divergent nozzles was done by whom?

A. Charles Parsons

B. James Watt

C. Gustaf de Laval

D. Thomas Newcomen

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Correct Answer: Option C

Explanation:
Gustaf de Laval developed the specialized nozzle configuration that accelerates steam to supersonic speeds, improving kinetic transfer.

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Question #3

The discovery of the electrical conductivity properties of semi-conductive materials under specific doping was pioneered by whom?

A. Nikola Tesla

B. John Bardeen, Walter Brattain, and William Shockley

C. Michael Faraday

D. Thomas Edison

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Correct Answer: Option B

Explanation:
These three physicists invented the point-contact solid-state transistor at Bell Labs in 1947, replacing vacuum tubes.

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