Inventions Questions

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!

The first large scale electrical air conditioning was invented and used in 1902 by

Robert Hooke discovered cells by observing them in a ______.

Who invented the Band-aid?

Stainless steel was invented by

Which of the following was the first antibiotic discovered by Alexander Fleming in 1928?

Which dynasty had its capital at Chittorgarh?

Who invented the mobile phone?