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Exercise:

Section 1

► Section 2

Section 3

01. For what does the world owe Almon Strowger a debt of gratitude?
A. Parking Meters B. Vending Machines
C. Automatic Telephone Exchanges D. Traffic Lights

Answer and Explanation

Answer: Automatic Telephone Exchanges

Explanation:
He was an undertaker, and legend has it, he developed the automatic switch in 1889, to stop competitors from getting his work!

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02. What Sir Isaac Newton invented?
A. Reflecting telescope B. Chronometer
C. Microscope D. Spectacles

Answer and Explanation

Answer: Reflecting telescope

Explanation:
Invented in 1668.

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03. Who had an explosive idea and first patented DYNAMITE?
A. W. Bickford B. J. R. Gluber
C. A. Nobel D. G. Fawks

Answer and Explanation

Answer: A. Nobel

Explanation:
Alfred Noble patented dynamite in 1876. Nobel left $9 million in his will to be used as awards for people whose work benefit humanity - The Nobel Peace Prize etc. 

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04. What groovy item was invented by Englishman Edward Craven Walker in 1963?
A. Leisure suit B. Lava lamp
C. Eight-track tape deck D. Hot comb

Answer and Explanation

Answer: Lava lamp

Explanation:
Groovy, baby! Lava lamps, which were a fixture in every hip pad in the 1960s and 70s, featured a mixture of water and colored oil that created swirl patterns when heated by a light bulb.

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05. Who was the first person to patent the JET ENGINE?
A. F. Whittle B. C. Lindbergh
C. W. Histell D. B. Owings

Answer and Explanation

Answer: F. Whittle

Explanation:
British inventor Frank Whittle was the first to patent his design for a jet engine in 1930. Although an engine designed by Dr. Hans Von Ohain was the first to fly in 1939. Whittle's jet engine first flew in 1941.

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06. Who invented Dynamite?
A. Sir Alexander Graham Bell B. Benjamin Franklin
C. Thomas Alva Edison
 D. Alfred B. Nobel

Answer and Explanation

Answer: Alfred B. Nobel

Explanation:
There is no explanation...

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07. What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?
A. Charles Richter B. Hiram Walker
C. Giuseppe Mercalli D. Joshua Rumble

Answer and Explanation

Answer: Charles Richter

Explanation:
Richter was born on an Ohio farm in 1900. He died in 1985.

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08. Who developed the idea of Crop Rotation?
A. Potato Peterson B. Turnip Townsend
C. Cabbage Carlson D. Swede Svenson

Answer and Explanation

Answer: Turnip Townsend

Explanation:
Viscount Charles 'Turnip' Townsend developed this revolutionary concept.

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09. Where were wigs first invented?
A. Japan B. France
C. Egypt D. China

Answer and Explanation

Answer: Egypt

Explanation:
There is no explanation...

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10. Who invented Bicycle?
A. Leo H Baekeland B. Karl Benz
C. Evangelista Torricelli D. Kirkpatrick Macmillan

Answer and Explanation

Answer: Kirkpatrick Macmillan

Explanation:
There is no explanation...

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11. In which decade was the AEEE (now the IEEE) founded?
A. 1850s B. 1880s
C. 1930s D. 1950s

Answer and Explanation

Answer: 1880s

Explanation:
The IEEE (Institute of Electrical and Electronics Engineers) was formed in 1963 by the merger of the Institute of Radio Engineers (IRE, founded 1912) and the American Institute of Electrical Engineers (AIEE, founded 1884)

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12. Who invented Jet Engine?
A. Sir Frank Whittle. B. Gottlieb Daimler.
C. Roger Bacon. D. Lewis E. waterman.

Answer and Explanation

Answer: Sir Frank Whittle.

Explanation:
There is no explanation...

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13. When were bar code scanners invented?
A. 1940s B. 1950s
C. 1970s D. 1960s

Answer and Explanation

Answer: 1970s

Explanation:
The scanner reads the bar code label on something at a supermarket, and translates it into a number which the computer reads.

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14. Who invented Internal Combustion Engine?
A. Roger Bacon B. Karl Benz
C. Dr. Alan M. Turing D. Otto

Answer and Explanation

Answer: Otto

Explanation:
There is no explanation...

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15. What piece of clothing was invented by French fashion designer Louis Reard in 1946?
A. Zoot suit B. Mini-skirt
C. Bikini D. Tank top

Answer and Explanation

Answer: Bikini

Explanation:
The bikini, a two-piece swimsuit named for the Bikini Atoll in the Pacific, made its debut on July 5, 1946.

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16. What Frank Whittle invented?
A. Radar B. Ethyl gasoline
C. Sonar D. Jet propulsion

Answer and Explanation

Answer: Jet propulsion

Explanation:
Invented in 1937.

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17. What was invented by Galileo?
A. Barometer. B. Pendulum cock.
C. Microscope. D. Thermometer.

Answer and Explanation

Answer: Thermometer.

Explanation:
There is no explanation...

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18. Who perfected GENETIC ENGINEERING?
A. Cohen & Boyer  B. Hunt & Davids
C. Sinclair & Roberts D. Jaysson & Simons

Answer and Explanation

Answer: Cohen & Boyer 

Explanation:
Genetic Engineering, the technique of DNA cloning was perfected by Stanley Cohen and Herbert Boyer in 1973. 

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19. What African-American inventor received 5 patents in the field of shoemaking?
A. Elijah McCoy B. Jan Ernst Matzeliger
C. Ernest Just D. Lewis Latimer

Answer and Explanation

Answer: Jan Ernst Matzeliger

Explanation:
Matzeliger never benefited financially from his inventions. He died in 1889 at the age of 37 from tuberculosis.

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20. What James Watt invented?
A. Diving bell B. Steam boat
C. Hot air balloon D. Rotary steam engine 

Answer and Explanation

Answer: Rotary steam engine 

Explanation:
Invented in 1765.

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