scientist, discoveries & inventions MCQ section 3 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general awareness mcq - 4 EXERCISES
The following question based on scientist, discoveries & inventions topic of general awareness mcq
(a) Christian Huygens
(b) Orville Wright and Wilbur Wright
(c) Michael Faraday
(d) Sir Frank Whittle
The correct answers to the above question in:
Answer: (b)
The Wright brothers, Orville and Wilbur, were two American brothers, inventors, and aviation pioneers who were credited with inventing and building the world's first successful aeroplane and making the first controlled, powered and sustained heavier-than-air human flight, on December 17, 1903.
In the two years afterwards, the brothers developed their flying machine into the first practical fixed-wing aircraft.
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Read more scientist discoveries and inventions Based General Awareness Questions and Answers
Question : 1
Who invented thermoscope, an early form of thermometer?
a) Galileo
b) Beno Gutenberg
c) Sir Christopher Wren
d) Charles F. Richter
Answer »Answer: (a)
Question : 2
The study of relation of animals and plants to their surroundings is called ________
a) Iconology
b) Ecology
c) Genealogy
d) Ethrology
Answer »Answer: (b)
Ecology is defined as the study of the patterns and processes governing the abundance and distribution of organisms and their relationships to their environment. It is the science that deals with the inter-relationship between the various organisms living in an area and their relationship with physical environment.
Question : 3
Telephone was invented by
a) Newton
b) Alexander Graham Bell
c) Stevenson
d) Baird
Answer »Answer: (b)
Alexander Graham Bell, an eminent Scottish-born scientist, is credited with inventing the first practical telephone in 1876. Among one of his first innovations after the telephone was the “photophone,” a device that enabled sound to be transmitted on a beam of light.
Question : 4
Waksman got the Nobel Prize for the discovery of :
a) Penicillin
b) Streptomycin
c) Neomycin
d) Chloromycetin
Answer »Answer: (b)
Selman Waksman was awarded the Nobel Prize in 1952 “for his discovery of streptomycin, the first antibiotic effective against tuberculosis.” He was called “one of the greatest benefactors to mankind,” as the result of the discovery of streptomycin. Waksman was a Russian-born, Jewish-American inventor, biochemist and microbiologist.
Question : 5
Planimeter is used to measure:
a) Areas
b) Height of a region
c) Road Distance
d) Direction
Answer »Answer: (a)
A planimeter, also known as a platometer, is a measuring instrument used to determine the area of an arbitrary two-dimensional shape. They were once common, but have now largely been replaced by digital tools. The Swiss mathematician Jakob AmslerLaffon built the first modern planimeter in 1854.
Question : 6
Who discovered Solar System ?
a) Galileo
b) Newton
c) Copernicus
d) John Hadley
Answer »Answer: (c)
Nicolaus Copernicus discovered the Solar System. He was the first astronomer who formulated a comprehensive heliocentric cosmology in his book "De Revolutionibus Orbium Coelestium" (On the Revolutions of the Celestial Spheres), which displaced the Earth from the center of the universe.
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