Multiple Choce Questions based on science

Science MCQs - Practice these questions and improve your knowledge

Q 131. What Enrico Fermi invented?
a) X ray machine b) Betatron c) Cyclotron d) Nuclear reactor
Show Answer
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
Show Answer
Q 133. What Frank Whittle invented?
a) Sonar b) Jet propulsion c) Radar d) Ethyl gasoline
Show Answer
Q 134. Who is often called the 'first African-American' inventor?
a) George Washington Carver b) Bessie Blount c) Elijah McCoy d) Benjamin Banneker
Show Answer
Q 135. What Elmer A Sperry invented?
a) Gyrocompass b) Magnetic compass c) Hydroplane d) Hydraulic turbine
Show Answer
Q 136. What Thomas Davenport invented?
a) Screw propellor b) Chesterfield c) Sleeping - railway car d) Electric streetcar
Show Answer
Q 137. What George Westinghouse invented?
a) Railway air brakes b) Electric razor c) Light bulb d) Refrigerator
Show Answer
Q 138. What JB Dunlop invented?
a) Pneumatic rubber tire b) Rubber boot c) Automobile wheel rim d) Model airplanes
Show Answer
Q 139. What Galileo invented?
a) Pendulum clock b) Microscope c) Barometer d) Thermometer
Show Answer
Q 140. What Sir Isaac Newton invented?
a) Chronometer b) Reflecting telescope c) Microscope d) Spectacles
Show Answer