Who discovered the specific virus responsible for causing AIDS (Human Immunodeficiency Virus)? MCQ with Answer and Explanation

Question
Who discovered the specific virus responsible for causing AIDS (Human Immunodeficiency Virus)?
A. Howard Temin
B. Jonas Salk
C. Luc Montagnier and Robert Gallo
D. David Baltimore
Answer: Option C
Solution (By JKSSB Mock Tests)
Luc Montagnier and Robert Gallo isolated and identified the retrovirus HIV as the causative agent behind AIDS in the 1880s.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Question #1
Who discovered the physical phenomenon of electromagnetic radio waves traveling through the air, verifying Maxwell's equations?
A. Michael Faraday
B. Nikola Tesla
C. Guglielmo Marconi
D. Heinrich Hertz
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Correct Answer: Option D

Explanation:
Heinrich Hertz built spark-gap transmitter devices in 1887 to physically prove radio waves transmit energy through empty space.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
Who invented the first practical electronic calculator utilizing a microprocessor chip?
A. Busicom team and Intel (Masatoshi Shima, Ted Hoff)
B. Alan Turing
C. John von Neumann
D. Charles Babbage
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Correct Answer: Option A

Explanation:
The partnership between Busicom and Intel led to the invention of the Intel 4004, the first commercial programmable microprocessor.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
Who discovered the antibiotic Streptomycin, the first effective cure for tuberculosis, winning a Nobel Prize in 1952?
A. Selman Waksman
B. Alexander Fleming
C. Howard Florey
D. Edward Abraham
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Correct Answer: Option A

Explanation:
Selman Waksman discovered several antibiotics produced by soil microbes, including streptomycin.
This question belongs to: Static General Knowledge Inventions and Discoveries
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