CUET Commerce Exam > CUET Commerce Notes > General Test Preparation for CUET > Inventors and their Inventions
Inventors and their Inventions | General Test Preparation for CUET - CUET Commerce PDF Download
Throughout history, inventors have changed the world a little at a time with their innovations and creations.
It is necessary for students preparing for CLAT to know about the creators of some of the world’s most important inventions:-
Now find out the answers to these questions: CLAT GK – Inventors & Inventions
Practice Set of Questions
1. Who invented the kaleidoscope?
a) David Brewster
b) Ole Kirk Christiansen
c) Guglielmo Marconi
d) James Naismith
Ans: The kaleidoscope was invented by the Scottish scientist David Brewster and first publicly announced in 1817.
2. Who invented the Band aid?
a) Virginia Apgar
b) Christian Neethling Barnard
c) Earle Dickson
d) Marion Donovan
Ans: Earle Dickson, a cotton buyer, invented the BAND-AID® Brand adhesive bandage.
3. Who is credited with the invention of bifocals?
a) Benjamin Franklin
b) Ida Henrietta Hyde
c) Robert K. Merton
d) Cesare Lombroso
Ans: Benjamin Franklin, who died 200 years ago, is generally credited with the invention of bifocals. However, serious historians have from time to time produced evidence to suggest that others may have preceded him in the invention.
4. Who is credited with the invention of the dry cell?
a) Alessandro Volta
b) Thomas Edison
c) Georges Leclanche
d) Carl Gassner
Ans: A dry cell is one of the electrochemical cells, developed by the “German scientists Carl Gassner” in 1886,
The document Inventors and their Inventions | General Test Preparation for CUET - CUET Commerce is a part of the CUET Commerce Course General Test Preparation for CUET.
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FAQs on Inventors and their Inventions - General Test Preparation for CUET - CUET Commerce
| 1. Who is considered one of the greatest inventors of all time? |  |
Ans. Thomas Edison is widely regarded as one of the greatest inventors in history. He is credited with numerous groundbreaking inventions, including the phonograph, the motion picture camera, and the practical electric light bulb.
| 2. What is the significance of Nikola Tesla's inventions? | |
Ans. Nikola Tesla made significant contributions to the fields of electricity and magnetism. His inventions, such as the alternating current (AC) system and the Tesla coil, revolutionized the way electricity is transmitted and generated, paving the way for modern power distribution systems.
| 3. What invention is attributed to Alexander Graham Bell? | |
Ans. Alexander Graham Bell is credited with inventing the telephone. His groundbreaking invention revolutionized communication, enabling people to speak to each other over long distances, leading to the development of modern telecommunications systems.
| 4. What is the invention that revolutionized the printing industry? | |
Ans. Johannes Gutenberg's invention of the printing press with movable type revolutionized the printing industry. This invention enabled mass production of books and other printed materials, making knowledge more accessible and affordable, and contributing to the spread of literacy.
| 5. What major invention is associated with the Wright brothers? | |
Ans. The Wright brothers, Orville and Wilbur, are known for inventing and building the world's first successful airplane. Their pioneering work in aviation led to the development of modern aircraft and transformed the way people travel and explore the world.
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