Multiple Choce Questions based on science
Science MCQs - Practice these questions and improve your knowledge
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Q 131. What Enrico Fermi invented?
a) X ray machine b) Betatron c) Cyclotron d) Nuclear reactor
Q 132. This statesman, politican, scholar, inventor, and one of our early presidents invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel?
a) Thomas Jefferson b) George Washington c) John Adams d) Alexander Hamilton
Q 133. What Frank Whittle invented?
a) Sonar b) Jet propulsion c) Radar d) Ethyl gasoline
Q 134. Who is often called the 'first African-American' inventor?
a) George Washington Carver b) Bessie Blount c) Elijah McCoy d) Benjamin Banneker
Q 135. What Elmer A Sperry invented?
a) Gyrocompass b) Magnetic compass c) Hydroplane d) Hydraulic turbine
Q 136. What Thomas Davenport invented?
a) Screw propellor b) Chesterfield c) Sleeping - railway car d) Electric streetcar
Q 137. What George Westinghouse invented?
a) Railway air brakes b) Electric razor c) Light bulb d) Refrigerator
Q 138. What JB Dunlop invented?
a) Pneumatic rubber tire b) Rubber boot c) Automobile wheel rim d) Model airplanes
Q 139. What Galileo invented?
a) Pendulum clock b) Microscope c) Barometer d) Thermometer
Q 140. What Sir Isaac Newton invented?
a) Chronometer b) Reflecting telescope c) Microscope d) Spectacles