The structure of DNA was discovered in 1953 by James Watson and Francis Crick with the crucial aid of data from whom? MCQ with Answer and Explanation
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Question #1
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Who invented the mercury thermometer in 1714?
Correct Answer: Option B
Explanation:
Daniel Gabriel Fahrenheit invented the mercury-in-glass thermometer in 1714 and developed the Fahrenheit scale.
Daniel Gabriel Fahrenheit invented the mercury-in-glass thermometer in 1714 and developed the Fahrenheit scale.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who discovered Vitamin C (ascorbic acid) and its role in preventing scurvy, winning a Nobel Prize in 1937?
Correct Answer: Option C
Explanation:
Albert Szent-Györgyi isolated Vitamin C and discovered its metabolic components, receiving the Nobel Prize in Physiology or Medicine.
Albert Szent-Györgyi isolated Vitamin C and discovered its metabolic components, receiving the Nobel Prize in Physiology or Medicine.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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The invention of the common mechanical office stapler mechanism was popularized by which manufacturing developer?
Correct Answer: Option B
Explanation:
McGill patented functional malleable brass paper fasteners, and industrial developers later automated magazine tracking feeds.
McGill patented functional malleable brass paper fasteners, and industrial developers later automated magazine tracking feeds.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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