Discovery & Inventions - Online Test

Total Number of Questions in this Test: 10
Total Number of Questions Answered: 0
Total Number of Questions Skipped: 0


Time left:
 
Question : 1

Soft contact lenses were invented by

Options :
  •  Samuel Morse
  •  Shirley Mclaine
  •  Otto Wichterle
  •  Humphry Davy