Inventions Questions

Where was paper invented?

Who discovered radioactivity?

Who discovered Fullerene (an allotrope of carbon)?

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

To clip one's wings

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!

Physical Research Laboratory was founded by ____.

X-Rays, which are now used on a day to day basis for diagnosis in medicine, was discovered by?

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Anile