The term 'vitamin' was coined by which biochemist in 1912? MCQ with Answer and Explanation

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The term 'vitamin' was coined by which biochemist in 1912?

A. Casimir Funk

B. Frederick Hopkins

C. Louis Pasteur

D. Robert Koch

Answer: Option A

Solution (By JKSSB Mock Tests)

Polish biochemist Casimir Funk coined the term 'vitamine' (later shortened to vitamin) to describe vital amine nutrients.

This question belongs to: Static General Knowledge Inventions and Discoveries

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The vaccine for smallpox was developed by whom in 1796?

A. Robert Koch

B. Edward Jenner

C. Alexander Fleming

D. Louis Pasteur

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Correct Answer: Option B

Explanation:
Edward Jenner introduced the smallpox vaccine using cowpox material, pioneering the field of vaccinology.

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Question #2

Who discovered that the chemical element Magnesium is isolated as a distinct metal element via mercury amalgamation?

A. Joseph Black

B. Antoine Lavoisier

C. Carl Wilhelm Scheele

D. Humphry Davy

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Correct Answer: Option D

Explanation:
Black identified magnesium compounds early, but Sir Humphry Davy isolated pure metallic magnesium via electrochemical processing in 1808.

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Question #3

Who discovered that the chemical element Chromium is isolated from Siberian red lead ore matrices?

A. Carl Wilhelm Scheele

B. Martin Heinrich Klaproth

C. Antoine Lavoisier

D. Louis-Nicolas Vauquelin

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Correct Answer: Option D

Explanation:
Vauquelin isolated chromium in 1797 by treating crocoite mineral crystals with hydrochloric acid compounds.

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