scientist, discoveries & inventions MCQ section 1 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) Captain Cook
(b) Amundson
(c) John Cobot
(d) Robert Peary
The correct answers to the above question in:
Answer: (d)
The North Pole is the northernmost point on the Earth, lying diametrically opposite the South Pole. It defines geodetic latitude 90° North as well as the direction of true north.
At the North Pole, all directions point south; all lines of longitude converge there, so its longitude can be defined as any degree value.
Robert Edwin Peary was an American explorer who claimed to have led the first expedition, on April 6, 1909, to reach the geographic North Pole.
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Read more scientist discoveries and inventions Based General Awareness Questions and Answers
Question : 1
The machine-Gun was invented by
a) Karl Benz
b) James Puckle
c) J.L. Beared
d) G. Brousa
Answer »Answer: (b)
Question : 2
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 : 3
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 : 4
The instrument used for measuring air pressure is called
a) Thermometer
b) Anemometer
c) Hygrometer
d) Barometer
Answer »Answer: (d)
A barometer is a scientific instrument used in meteorology to measure atmospheric pressure. Pressure tendency can forecast short term changes in the weather. Evangelista Torricelli is universally credited with inventing the barometer in 1643.
Question : 5
Who among the following scientists shared the Nobel Prize in Physics with his son?
a) William Henry Bragg
b) Enrico Fermi
c) Max Plank
d) Albert Einstein
Answer »Answer: (a)
Question : 6
Who invented Radar ?
a) A.H. Taylor & Leo C. Young
b) J.H. Van Tassel
c) P.T. Farnsworth
d) Wilhelm K. Roentgen
Answer »Answer: (a)
Radar is an object detection system which uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain.
The radar dish or antenna transmits pulses of radio waves or microwaves which bounce off any object in their path. In 1922 A. Hoyt Taylor and Leo C. Young, researchers working with the U.S. Navy invented Radar.
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