MCQ on Invention and its Inventor
Q1. Who invented the adding machine?
a) Pascal
b) Wright brothers
c) Jacques and Joseph Montgolfier
d) C. Biro
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Correct Answer: a) Pascal
Explanation: The adding machine was invented by Blaise Pascal, a French mathematician, physicist, and philosopher. Pascal developed the adding machine in 1642, which was also known as the Pascaline. It was a mechanical calculator designed to perform addition and subtraction. The Pascaline was a significant milestone in the history of computing and laid the foundation for future developments in mechanical calculators and computing devices.
Q2. Who invented the aeroplane?
a) Pascal
b) Wright brothers
c) Jacques and Joseph Montgolfier
d) C. Biro
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Correct Answer: b) Wright brothers
Explanation: The Wright brothers, Orville and Wilbur, are credited with inventing the first successful airplane. They were American inventors and aviation pioneers who achieved the first powered, sustained, and controlled airplane flight on December 17, 1903. Their invention revolutionized transportation and laid the foundation for modern aviation.
Q3. Who invented the balloon?
a) Pascal
b) Wright brothers
c) Jacques and Joseph Montgolfier
d) C. Biro
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Correct Answer: c) Jacques and Joseph Montgolfier
Explanation: The hot air balloon was invented by the Montgolfier brothers, Jacques and Joseph, who were French paper manufacturers. They conducted their first public demonstration of a hot air balloon in 1783. The Montgolfier brothers’ invention marked the beginning of human flight and paved the way for future developments in aviation.
Q4. Who invented the ball-point pen?
a) Pascal
b) Wright brothers
c) Jacques and Joseph Montgolfier
d) C. Biro
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Correct Answer: d) C. Biro
Explanation: The ball-point pen was invented by László Bíró, a Hungarian-Argentinian journalist and inventor. Bíró developed the ball-point pen in 1938 as a solution to the problems associated with fountain pens, such as ink smudging and leakage. The ball-point pen uses a tiny ball bearing in the tip to dispense ink, making it more reliable and convenient than traditional fountain pens.
Q5. Who invented the barometer?
a) Pascal
b) Wright brothers
c) Jacques and Joseph Montgolfier
d) E. Torricelli
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Correct Answer: d) E. Torricelli
Explanation: The barometer was invented by Evangelista Torricelli, an Italian physicist and mathematician. Torricelli invented the barometer in 1643 to measure atmospheric pressure. The barometer is an essential instrument in meteorology, as it helps predict weather changes and is used in various scientific applications.
Q6. Who invented the battery?
a) Alessandro Volta
b) Wright brothers
c) Jacques and Joseph Montgolfier
d) C. Biro
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Correct Answer: a) Alessandro Volta
Explanation: The battery was invented by Alessandro Volta, an Italian physicist and chemist. Volta invented the first true battery, known as the Voltaic Pile, in 1800. The Voltaic Pile was a stack of alternating zinc and copper discs separated by pieces of cardboard soaked in saltwater. This invention marked a significant milestone in the history of electricity and laid the foundation for future developments in electrical energy storage.
Q7. Who invented the bicycle?
a) Pascal
b) K. Macmillan
c) Jacques and Joseph Montgolfier
d) C. Biro
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Correct Answer: b) K. Macmillan
Explanation: The bicycle was invented by Kirkpatrick Macmillan, a Scottish blacksmith. Macmillan developed the first pedal-powered bicycle in the 1830s. The invention of the bicycle revolutionized personal transportation and led to the development of various types of bicycles, including mountain bikes, road bikes, and hybrid bikes.
Q8. Who invented the bicycle tyre?
a) Pascal
b) Wright brothers
c) J.B. Dunlop
d) C. Biro
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Correct Answer: c) J.B. Dunlop
Explanation: The pneumatic bicycle tyre was invented by John Boyd Dunlop, a Scottish inventor and veterinary surgeon. Dunlop developed the first practical pneumatic tyre in 1887, which significantly improved the comfort and performance of bicycles. The invention of the pneumatic tyre led to its widespread adoption in various forms of transportation, including automobiles and motorcycles.
Q9. Who invented the calculating machine?
a) Pascal
b) Wright brothers
c) Jacques and Joseph Montgolfier
d) C. Biro
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Correct Answer: a) Pascal
Explanation: The calculating machine, also known as the Pascaline, was invented by Blaise Pascal. As mentioned in Question 1, Pascal developed the Pascaline in 1642 as a mechanical calculator designed to perform addition and subtraction. The invention of the calculating machine marked a significant milestone in the history of computing and laid the foundation for future developments in mechanical calculators and computing devices.
Q10. Who invented the Centigrade scale?
a) A. Celsius
b) Wright brothers
c) Jacques and Joseph Montgolfier
d) C. Biro
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Correct Answer: a) A. Celsius
Explanation: The Centigrade scale, now known as the Celsius scale, was invented by Anders Celsius, a Swedish astronomer and physicist. Celsius developed the temperature scale in 1742, which is based on the freezing and boiling points of water. The Celsius scale is widely used in scientific applications and is the standard temperature scale in most countries around the world.