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1) Ballpoint pen was invented by:

a) Biro brothers.
b) Waterman brothers.
c) Bicc brothers.
d) Write brothers.

ANSWER : Biro brothers

2) Radioactive element radium was discovered by whom?

a) Isaac Newton.
b) Albert Einstein.
c) Benjamin Franklin.
d) Marie Curie.

ANSWER : Marie Curie

3) What was invented by Galileo?

a) Barometer.
b) Pendulum cock.
c) Microscope.
d) Thermometer.

ANSWER : Thermometer

4) Who invented Jet Engine?

a) Sir Frank Whittle.
b) Gottlieb Daimler.
c) Roger Bacon.
d) Lewis E. waterman.

ANSWER : Sir Frank Whittle

5) In which decade was the telephone invented?

a) 1850s.
b) 1860s.
c) 1870s.
d) 1880s.

ANSWER : 1870s

6) Who was the first American female to patent her invention, a method of weaving straw with silk?

a) Marjorie Joyner.
b) Margaret Knight.
c) Amanda Jones.
d) Mary Kies.

ANSWER : Mary Kies

7) What furniture item was invented by California furniture designer Charles Prior Hall in 1968?

a) Sofa set.
b) Captain’s chair.
c) Waterbed.
d) Hammock.

ANSWER : Waterbed

8) First elevator was built in:

a) 1743.
b) 1739.
c) 1760.
d) 1785.

ANSWER : 1743

9) George Westinghouse invented:

a) Light Bulb.
b) Electric razor.
c) Refrigerator.
d) Railway air brakes.

ANSWER : Railway air brakes

10) Yo-yo was invented in:

a) France.
b) United States.
c) Philippines.
d) England.

ANSWER : Philippines

11) Who designed the first hand glider?

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

ANSWER : Leonardo DaVinci

12) When was telegraph invented?

a) 1810s.
b) 1840s.
c) 1870s.
d) 1890s.

ANSWER : 1840s

13) Reflecting road lights was invented by inspiration of:

a) Car door reflecting mirrors.
b) The light a cat’s eye gave off on a fence.
c) Sunlight on steel posts on road sides.
d) The sunlight on the windshield.

ANSWER : The light a cat’s eye gave off on a fence.

14) Electric Generator was invented by whom?

a) Sir Alexander Graham Bell.
b) Michael Faraday.
c) Alfred B.Nobel.
d) Thomas Alva Edison.

ANSWER : Michael Faraday

15) What was invented by Igor Sikorsky?

a) Hydroplane.
b) Jet engine airplane.
c) Helicopter.
d) Glider.

ANSWER : Helicopter

16) What invention was first installed at a Hartford, Connecticut bank in 1889?

a) Automatic teller machine.
b) Time-lock safe.
c) Burglar alarm.
d) Pay telephone.

ANSWER : Pay telephone

17) What was the age of Ralph Samuelson when he invented Water skies in 1922?

a) 18.
b) 24.
c) 32.
d) 40.

ANSWER : 18

18) Bar code scanners was invented in?

a) 1940s.
b) 1950s.
c) 1970s.
d) 1960s.

ANSWER : 1970s

19) Who among the following is known as the Father of Computing?

a) Philo Fransworth.
b) J. Presper Eckert.
c) John Mauchly.
d) Charles Babbage.

ANSWER : Charles Babbage

20) When was toothbrush invented?

a) 1770.
b) 1765.
c) 1790.
d) 1742.

ANSWER : 1770