Who invented the lightning conductor in America? MCQ with Answer and Explanation
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Question #1
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Who formulated the Laws of Planetary Motion?
Correct Answer: Option D
Explanation:
Johannes Kepler formulated the three laws of planetary motion in the early 17th century.
Johannes Kepler formulated the three laws of planetary motion in the early 17th century.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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The invention of the common medical diagnostic device known as the blood pressure cuff (Sphygmomanometer) was optimized by whom?
Correct Answer: Option C
Explanation:
Riva-Rocci introduced the mercury arm-cuff design in 1896, and neurosurgeon Harvey Cushing popularized it globally.
Riva-Rocci introduced the mercury arm-cuff design in 1896, and neurosurgeon Harvey Cushing popularized it globally.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered the exact structural formula of the complex molecule Vitamin B12, using advanced X-ray crystallography?
Correct Answer: Option D
Explanation:
Dorothy Hodgkin determined the atomic structures of penicillin, vitamin B12, and insulin, winning the 1964 Nobel Prize in Chemistry.
Dorothy Hodgkin determined the atomic structures of penicillin, vitamin B12, and insulin, winning the 1964 Nobel Prize in Chemistry.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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