Inventions-General Knowledge questions and answers
Inventions-General Knowledge questions and answers
131. In which decade was the SPICE simulator introduced?
A.1950s
B.1960s
C.1970s
D.1980s
Answer & Explanation Answer: Option A Explanation: SPICE (Simulation Program with Integrated Circuit Emphasis) was introduced in May 1972 by the University of Berkeley, California.
132. Who invented the first controllable flying AEROPLANE (AIRPLANE)?
A.Wright Brothers
B.Lidenbergh Brothers
C.South Brothers
D.West Brothers
Answer & Explanation Answer: Option D Explanation: Wilbur and Orville Wright made the first successful controlled powered flight at Kitty Hawk, North Carolina, in December 1903. The twelve second flight covered a distance of 120 feet and an altitude of just ten feet.
133. 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 & Explanation Answer: Option E 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.
134. In which decade was the Internet first implemented?
A.1940s
B.1950s
C.1960s
D.1980s
Answer & Explanation Answer: Option B Explanation: The first message ever sent over what is now called the Internet took place at 10:30PM on October 29, 1969. Back then, the Department of Defense called it ARPAnet (Advanced Research Projects Agency network).
135. What did cardiologist Dr. Paul Zoll invent in Massachusetts in 1952?
A.EKG
B.Artificial heart valve
C.Artificial heart
D.Pacemaker
Answer & Explanation Answer: Option B Explanation: The pacemaker is an electrical device that regulates the heartbeat.
136. What Elmer A. Sperry invented?
A.Hydroplane
B.Hydraulic turbine
C.Magnetic compass
D.Gyrocompass
Answer & Explanation Answer: Option C Explanation: Invented in 1911.
137. In which decade was the ARRL founded?
A.1940s
B.1930s
C.1920s
D.1910s
Answer & Explanation Answer: Option D Explanation: On April 6, 1914, Hiram Percy Maxim proposed the formation of the American Radio Relay League.
138. Who invented the Seed Drill?
A.Jethro Tull
B.Arlo Guthrie
C.Woodie Guthrie
D.Thomas Hines
Answer & Explanation Answer: Option B Explanation: It was invented around the early 1700’s.
139. What drink was invented by Charles Leiper Grigg in 1929?
A.7-Up
B.Yoo-Hoo
C.Pepsi
D.Hawaiian Punch
Answer & Explanation Answer: Option B Explanation: Grigg, who was from Missouri, originally named his creation ‘Bib-Label Lithiated Lemon-Lime Soda’.
140. For what is Charles Babbage (1792-1871) remembered?
A.Computers
B.Telescopes
C.Radio-Telegraphy
D.Steam Boating
Answer & Explanation Answer: Option A Explanation: Know as the Father of Computing. He began his ‘Analytical Engine’ in 1833. The first computer, although he never completed it.
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These questions are useful for any competitive exam like IAS, Bank PO, SSC CGL, RAS, CDS, UPSC exams, and all state-related exams. You can attempt them for fun too.
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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