Theory of evolution was presented by ?
Who invented Fountain pen?
Waterman
Graham bell
Gillette
none of these
Who invented Bicycle ?
Who invented Aeroplane ?
Which scientist discovered the radioactive element radium?
Isaac Newton
Albert Einstein
Benjamin Franklin
Marie Curie
Who invented Printing press?
Macmillan
Gutenberg
When was barb wire patented?
1873
1840
1895
1900
This statesman, politican, scholar, inventor, and one of early presidents of USA invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel.
George Washington
Alexander Hamilton
John Adams
Thomas Jefferson
Who is the English physicist responsible for the 'Big Bang Theory'?
Michael Skube
George Gamow
Roger Penrose
Who invented penicillin ?
Ronald rose
Charles Darwin
Alexander Fleming
Edison
