Important Inventions and Discoveries in World – Exercise – 3

116. What Henry Bessemer invented?

(a) Aluminum
(b) Electroplating
(c) Steel Converter
(d) Steel rolling mill

Answer
Answer : (c)
Explanation
Explanation :  Invented in 1856. Let us discuss.
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117. Who synthesized the first wholly artificial gene?

(a) Hargobind Khorana
(b) J.J. Thompson
(c) Benjamin Franklin
(d) Meghnad Saha

Answer
Answer : (a)
Explanation
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118. The first hand glider was designed by…?

(a) Leonardo DaVinci
(b) The Wright brothers
(c) Francis Rogallo
(d) Galileo

Answer
Answer : (a)
Explanation
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