81. Who developed the idea of Crop Rotation?
a.
b.
c.
d.

Option “B” is correct.
Viscount Charles ‘Turnip’ Townsend developed this revolutionary concept of crop rotation.
82. Who made corn flakes at first?
a.
b.
c. Quaker
d. Archers

Option “B” is correct.
Will Keith Kellogg discovered the corn flake, by mistake, in 1906. They were the result of an experiment which went wrong.
83. William Frederick is credited with the invention of the modern frisbee in the mid 1950’s. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a ________
a.
b.
c.
d.

Option “A” is correct.
William Frederick is credited with the invention of the modern frisbee in the mid 1950’s. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a pie maker.
84. Who came up with the idea for instant mashed potato?
a.
b.
c.
d.

Option “C” is correct.
Instant mash was invented by Edward A Asselbergs, a Canadian, in 1962. The mash is actually dehydrated potato flakes.
85. Who invented Dynamite?
a.
b.
c.
d.

Option “D” is correct.
Alfred B. Nobel invented dynamite.
86. Who invented Bicycle?
a.
b.
c.
d.

Option “D” is correct.
Kirkpatrick Macmillan invented bicycle.
87. Who synthesized the first wholly artificial gene?
a.
b.
c.
d.

Option “A” is correct.
Synthesis of the first complete gene, a yeast tRNA, was demonstrated by Har Gobind Khorana and coworkers in 1972. Synthesis of the first peptide- and protein-coding genes was performed in the laboratories of Herbert Boyer and Alexander Markham, respectively.
88. Who discovered the first practical method of freezing food?
a.
b.
c.
d.

Option “A” is correct.
In the 1920s Clarence Birdseye discovered that if food was flash-frozen under pressure, it would freeze without the formation of ice crystals.
89. When was the Raggedy Ann doll patented?
a. 1915
b.
c. 1919
d. 1911

Option “A” is correct.
Johnny Gruelle patented the Raggedy Ann doll in 1915. The Raggedy Andy doll and the Raggedy Ann books came later.
90. What Frank Whittle invented?
a. Radar
b.
c. Sonar
d.

Option “D” is correct.
Sir Frank Whittle, (born June 1, 1907, Coventry, Warwickshire, England—died August 8, 1996, Columbia, Maryland, U.S.), English aviation engineer and pilot who invented the jet engine.
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36 thoughts on “Inventions”

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  34. ebonydperen

    Showing hours minutes a power reserve at 12 running seconds at 4 and the date at 8 this Anniversary matches its platinum case with a lovely white dial and white metal dial elements. Hand-wound and sporting a handsome link open caseback the Anniversary’s design is based on a tourbillon chronograph pocket watch that Daniels made in 1994.

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    So while the Singer DiveTrack might not be the most useful watch from a time-keeping standpoint far from the most wearable watch and priced at a level that makes zero sense link for any professional diver I don’t mind at all. This level of creativity is just what I needed to break out of the doldrums I’ve been feeling about dive watches.

  36. zuisdean2009

    My grandmother link has told me the story of how Hugo woke her up in the middle of the night in their little town of Wiesenfeld less than an hour outside of Vienna ordering her to quickly pack her belongings. They took only what they could carry but they were able to hide some of the family jewelry by sewing it inside my great-grandmother Irene’s coat which I presume is how the gold IWC pocket watch was able to survive Hugo’s brief interrogation by the S.S.

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