GK-Invention Question and Answer
GK-Invention Question and Answer
81. What African-American inventor received 5 patents in the field of shoemaking?
- Elijah McCoy
- Jan Ernst Matzeliger
- Ernest Just
- Lewis Latimer
82. It travels over land and water. Who invented the HOVERCRAFT?
- S. Sperrow
- O. Stricheg
- T. Henman
- C. Cockerell
84. What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?
- Telephone
- Early Warning
- Electricity
- Television
85. What Sir Isaac Newton invented?
- Reflecting telescope
- Chronometer
- Microscope
- Spectacles
86. Who invented Bicycle?
- Leo H Baekeland
- Karl Benz
- Evangelista Torricelli
- Kirkpatrick Macmillan
87. In which decade with the first transatlantic radio broadcast occur?
- 1850s
- 1860s
- 1870s
- 1900s
88. In the 1700s, who would pay the postage fee for letters before the stamp was invented?
- The sender
- There was no fee
- The receiver of the letter
- The post office
89. Who synthesized the first wholly artificial gene?
- Hargobind Khorana
- J.J. Thompson
- Benjamin Franklin
- Meghnad Saha
90. FROZEN FOOD - Who discovered the first practical method of freezing food?
- C. Birdseye
- F. Rozenosh
- G. Findus
- R. Scott