Inventions Questions

What was invented by Zacharias Jansen?

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

_____ you live long!

Who discovered Proton?

Which country on 23 October 2017 signed the Paris agreement on climate change, leaving the United States and Syria as the only two countries holding outto sign this global climate pact?

Who discovered X-rays?

Who Invented Ceiling fan?

Who discovered Neon?

Dishwasher was invented by ________.