Who invented the alkaline storage battery and the phonograph? MCQ with Answer and Explanation

Question
Who invented the alkaline storage battery and the phonograph?
A. Thomas Edison
B. Alessandro Volta
C. Michael Faraday
D. Nikola Tesla
Answer: Option A
Solution (By JKSSB Mock Tests)
Thomas Alva Edison developed the phonograph in 1877 and later engineered the commercial alkaline storage battery.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Practice More Inventions and Discoveries Questions

Question #1
Alexander Fleming discovered penicillin, the world's first effective antibiotic, in which year?
A. 1935
B. 1928
C. 1918
D. 1942
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Correct Answer: Option B

Explanation:
Sir Alexander Fleming discovered penicillin in 1928 at St. Mary's Hospital, London, after noticing a mold contaminating a petridish of staphylococci.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
Who discovered that the chemical element Titanium is isolated from dark mineral iron sand matrices?
A. Antoine Lavoisier
B. Martin Heinrich Klaproth
C. Jöns Jacob Berzelius
D. William Gregor
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Correct Answer: Option D

Explanation:
English clergyman William Gregor discovered titanium in ilmenite mineral sands in 1791, naming it 'menaccanite'.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
The process of pasteurization to destroy harmful microbes in milk and wine was developed by whom?
A. Alexander Fleming
B. Louis Pasteur
C. Joseph Lister
D. Robert Koch
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Correct Answer: Option B

Explanation:
French chemist Louis Pasteur developed the heating process known as pasteurization in the 1860s.
This question belongs to: Static General Knowledge Inventions and Discoveries
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