scientist, discoveries & inventions MCQ section 4 Practice Questions Answers Test with Solutions & More Shortcuts
scientist, discoveries & inventions PRACTICE TEST [4 - EXERCISES]
scientist, discoveries & inventions MCQ section 1
scientist, discoveries & inventions MCQ section 2
scientist, discoveries & inventions MCQ section 3
scientist, discoveries & inventions MCQ section 4
Question : 2 [SSC SIG 2006]
Who built the first modern motorcar ?
a) Henry Austin
b) Henry Ford
c) Daimler
d) Karl Benz
Answer »Answer: (d)
An automobile is a wheeled motor vehicle used for transporting passengers, which also carries its own engine or motor.
The term motorcar has also been used in the context of electrified rail systems to denote a car that functions as a small locomotive but also provides space for passengers and baggage.
Although several other German engineers (including Gottlieb Daimler, Wilhelm Maybach, and Siegfried Marcus) were working on the problem at about the same time, Karl Benz generally is acknowledged as the inventor of the modern automobile.
Question : 3 [SSC CGL 2011]
Who invented vaccination for 'Small Pox'?
a) Louis Pasteur
b) Sir Fredrick Grant Banting
c) Edward Jenner
d) Sir Alexander Fleming
Answer »Answer: (c)
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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