Edward Jenner discovered vaccine for which of the following disease?
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Who invented the contact lens?
The Sahitya Akademi Awards are given for best writings in how many Indian languages?
In April 2017, who has been made United Nation's Messenger of Peace?
49th Parallel is the boundary line between which two countries?
Find the odd word/letters/number pair from the given alternatives.
C. P. U. consists of
Raymond Samuel Tomilson is famous for developing which of the following?