Time Left - 03:00 mins
Discovery and Invention Quiz
Attempt now to get your rank among 4137 students!
Question 1
A transistor is a semiconductor device which was invented by?
Question 2
Who invented the Ballpoint Pen?
Question 3
Tetris, a type of a video game was invented by __________.
Question 4
Who invented the Printed Press?
Question 5
Which scientist discovered the ‘Penicillin’?
- 4137 attempts
- 3 upvotes
- 9 comments
Jun 1SSC & Railway