Important Inventions and Discoveries in World – Exercise – 1

36. The ELECTRIC BATTERY, who’s charged with inventing this one?

(a) Hertz
(b) Amper
(c) Galvani
(d) Volta

Answer
Answer : (d)
Explanation
Explanation :  Italian, Alessandro Volta discovered the first practical battery in 1800. Life would be very different without batteries. Let us discuss.
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37. What device for new parents did Ann Moore invent in 1969?

(a) Bottle warmer
(b) Baby monitor
(c) Disposable diaper
(d) Infant carrier

Answer
Answer : (d)
Explanation
Explanation :  Ann got the idea for the Snugli infant carrier from the traditional African baby carriers she observed while a volunteer for the Peace Corps in Africa. Let us discuss.
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38. In which decade was the transistor invented?

(a) 1940s
(b) 1950s
(c) 1960s
(d) 1980s

Answer
Answer : (a)
Explanation
Explanation :  On December 23, 1947, William Shockley, Walter Brattain and John Bardeen, of Bell Labs, announced their discovery of the point-contact germanium transistor to management. Let us discuss.
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39. Where is the village of Branston, after which the famous pickle is named?

(a) Yorkshire
(b) Lancashire
(c) Staffordshire
(d) Norfolk

Answer
Answer : (c)
Explanation
Explanation :  The village of Branston is in Staffordshire, just south of Burton-on-Trent. Let us discuss.
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40. The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name?

(a) John Christopher Ballantyne
(b) Joseph Cyril Bamford
(c) John Christopher Baxter
(d) Jack Croxford Baker

Answer
Answer : (b)
Explanation
Explanation :  Joseph Cyril Bamford founded the company that makes these iconic machines in 1945, in a 12ft X 15ft garage in Staffordshire. Let us discuss.
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