When is World Environment Day celebrated?
Who invented the ballpoint pen?
From which of the following minerals is radium obtained?
The device used to measure electric current is known as?
Who is the author of "The Diary of a Young Girl"?
Which of the following rivers is also known as the 'Twin of Narmada'?
What is the name of the financial institution ICICI?
'Radcliffe Line' is the border separating:
Who are the co-founders of Google?
Which is the third highest national award given for distinguished service in any field?