scientist, discoveries & inventions MCQ section 1 MCQ Questions & Answers Detailed Explanation
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The following question based on scientist, discoveries & inventions topic of general awareness mcq
(a) Christian Barnard
(b) James Simpson
(c) Alexander Fleming
(d) Edward Jenner
The correct answers to the above question in:
Answer: (d)
The smallpox vaccine was the first successful vaccine to be developed. The process of vaccination was first publicised by Edward Jenner in 1796, who acted upon his observation that milkmaids who caught the cowpox virus did not catch smallpox.
Before the introduction of a vaccine, the mortality of the severe form of smallpox—variola major—was very high. Historical records show that a method of inducing immunity was already known.
A process called inoculation, also known as insufflation or variolation was practised in India as early as 1000 BC.
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Read more scientist discoveries and inventions Based General Awareness Questions and Answers
Question : 1
Who discovered North Pole ?
a) John Cabot
b) Robert Peary
c) Tasman
d) Amundsen
Answer »Answer: (b)
Robert Edwin Peary, Sr. was an American explorer who claimed to have led the first expedition, on April 6, 1909, to reach the geographic North Pole. Peary's claim was widely credited for most of the 20th century, though it was criticized even in its own day.
Question : 2
Whose birth centenary was celebrated in the year 1988?
a) Mathematician Ramajunan
b) C.V. Raman
c) Charles Darwin
d) Einstein’s theory of relativity
Answer »Answer: (b)
Question : 3
Who is associated with the development of India’s Atomic Bomb?
a) Raja Ramanna
b) Kastoorirangan
c) A.P.J. Abdul Kalam
d) Homi Bhabha
Answer »Answer: (a)
Question : 4
The study of Drugs and their action is known as
a) Palaeontology
b) Pharmacy
c) Pharmacology
d) Palaeozoology
Answer »Answer: (c)
Pharmacology is the study of drugs. It involves examining the interactions of chemical substances with living systems, with a view to understanding the properties of drugs and their actions, including the interactions between drug molecules and drug receptors and how these interactions elicit an effect.
Question : 5
Which company invented the transistor ratio ?
a) Telstra
b) Sony
c) Panasonic
d) Grundig
Answer »Answer: (b)
There are many claimants to the title of the first company to produce practical transistor radios, often it is attributed to Sony (originally Tokyo Telecommunications Engineering Corporation).
A transistor radio is a small portable radio receiver that uses transistor-based circuitry. Following their development in 1954, they became the most popular electronic communication device in history, with billions manufactured during the 1960s and 1970s.
Their pocket size sparked a change in popular music listening habits, allowing people to listen to music anywhere they went.
Question : 6
The machine-Gun was invented by
a) Karl Benz
b) James Puckle
c) J.L. Beared
d) G. Brousa
Answer »Answer: (b)
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