GKwizard

The first successful airplane flight was made by whom?

A. Wright Brothers

B. Leonardo da Vinci

C. Otto Lilienthal

D. Samuel Langley

Answer: Option A

Discussion

1

Who is credited with the invention of the telephone?

A. Thomas Edison

B. Alexander Graham Bell

C. Nikola Tesla

D. Guglielmo Marconi

2

Who discovered penicillin?

A. Marie Curie

B. Alexander Fleming

C. Louis Pasteur

D. Robert Koch

3

The theory of relativity was proposed by whom?

A. Isaac Newton

B. Albert Einstein

C. Stephen Hawking

D. Galileo Galilei

4

Who invented the light bulb?

A. Alexander Graham Bell

B. Thomas Edison

C. Nikola Tesla

D. Michael Faraday