Inventions Inventions Miscellaneous

• A John L. Baird
• B J. E.Salk
• C Wilhelm K. Roentgen
• D Comstock & Kalmus
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B

Answer: B

Antipolio Vaccine invented/discovered by J. E.Salk in the year 1950 [Country: U.S.A.]

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Improve your knowledge and understanding of various inventions with our comprehensive multiple-choice questions (MCQ) on the topic of miscellaneous inventions. From classic inventions to modern-day innovations, this mcq will test your understanding and help you to prepare for exams and assessments in the field of science and technology.