Who discovered insulin, saving millions of lives affected by diabetes? MCQ with Answer and Explanation
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Question #1
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Who invented the alkaline storage battery and the phonograph?
Correct Answer: Option C
Explanation:
Thomas Alva Edison developed the phonograph in 1877 and later engineered the commercial alkaline storage battery.
Thomas Alva Edison developed the phonograph in 1877 and later engineered the commercial alkaline storage battery.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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The vaccine for smallpox was developed by whom in 1796?
Correct Answer: Option D
Explanation:
Edward Jenner introduced the smallpox vaccine using cowpox material, pioneering the field of vaccinology.
Edward Jenner introduced the smallpox vaccine using cowpox material, pioneering the field of vaccinology.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered that the element Beryllium is isolated from emerald and beryl crystal ores?
Correct Answer: Option A
Explanation:
Vauquelin discovered beryllium oxide in 1798 after chemical analysis of distinct mineral beryl matrix samples.
Vauquelin discovered beryllium oxide in 1798 after chemical analysis of distinct mineral beryl matrix samples.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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