The invention of the cotton gin, which automated the extraction of seeds from cotton fiber, is credited to whom? MCQ with Answer and Explanation
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Question #1
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The invention of high-strength Kevlar fiber, used in body armor, is credited to which female chemist?
Correct Answer: Option D
Explanation:
Stephanie Kwolek invented the exceptionally strong synthetic fiber Kevlar at DuPont in 1965.
Stephanie Kwolek invented the exceptionally strong synthetic fiber Kevlar at DuPont in 1965.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who discovered the presence of the Golgi apparatus within eukaryotic animal cells?
Correct Answer: Option A
Explanation:
Italian physician Camillo Golgi discovered the cellular organelle in 1898 using a unique silver staining procedure.
Italian physician Camillo Golgi discovered the cellular organelle in 1898 using a unique silver staining procedure.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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The invention of the modern pneumatic tire containing compressed inner air tubes was patented by which developer?
Correct Answer: Option A
Explanation:
John Boyd Dunlop patented a highly successful commercial pneumatic tire in 1888 for his son's tricycle, reducing operational friction.
John Boyd Dunlop patented a highly successful commercial pneumatic tire in 1888 for his son's tricycle, reducing operational friction.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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