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Inventions and Discoveries

General Knowledge Online Test

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A german scientist who discovered x-rays is __________.

A. Rontegen
B. H. Morgan
C. G. Mendel
D. C. B. Bridges

Show Answer
A. Rontegen

Who devised shorthand system?

A. Sir Isaac Pitman
B. Sir Isaac Newton
C. J. Philip Reis
D. David Bushnell

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A. Sir Isaac Pitman

Who invented bifocal eyeglasses?

A. Ibn-e-Haitem
B. Benjamin Franklin
C. Archemedes
D. None

Show Answer
B. Benjamin Franklin

Who invented the first battery?

A. Alessandro volta
B. Tim Berner
C. Rob Stothard
D. Georges Leclanche

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A. Alessandro volta

Who invented Aspirin in 1897?

A. Barnard
B. Newton
C. Felix Hoffman
D. McLeod

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C. Felix Hoffman

Calculus was first introduced by ________________.

A. Al-khawarzimi
B. Pythagoras
C. Isaac Newton
D. Al.kindi

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C. Isaac Newton

Who first find out that how blood circulates in the human body?

A. Edward Jenner
B. Joseph Lister
C. William Harvey
D. Gregor Mendel

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C. William Harvey

Analytical solutions to Quadratic equations were introduced by _____________.

A. Al-Khawarzimi
B. Al-haitham
C. IsasacNewton
D. Pythagoras

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A. Al-Khawarzimi

Who introduced the concept of Logarithm Tables?

A. John Napier
B. John Doe
C. John Harrison
D. John Douglas

Show Answer
A. John Napier

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