Who discovered the antibiotic Streptomycin, the first effective cure for tuberculosis, winning a Nobel Prize in 1952? MCQ with Answer and Explanation
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Question #1
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Who discovered that cells arise only from pre-existing cells via division, completing cell theory?
Correct Answer: Option B
Explanation:
Rudolf Virchow popularized the Latin aphorism 'Omnis cellula e cellula' in 1855, establishing modern cellular pathology basics.
Rudolf Virchow popularized the Latin aphorism 'Omnis cellula e cellula' in 1855, establishing modern cellular pathology basics.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who discovered the enzyme Lysozyme and later discovered penicillin?
Correct Answer: Option D
Explanation:
Sir Alexander Fleming discovered lysozyme (an antimicrobial enzyme found in tears and saliva) in 1921 before discovering penicillin in 1928.
Sir Alexander Fleming discovered lysozyme (an antimicrobial enzyme found in tears and saliva) in 1921 before discovering penicillin in 1928.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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The invention of the common household refrigeration fluid known as Freon (CFC) was developed by which chemist?
Correct Answer: Option D
Explanation:
Midgley synthesized dichlorodifluoromethane at General Motors in 1928, creating non-toxic, non-flammable cooling gases that later had severe environmental impacts.
Midgley synthesized dichlorodifluoromethane at General Motors in 1928, creating non-toxic, non-flammable cooling gases that later had severe environmental impacts.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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