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Railways R.R.C. (Chennai) Solved Paper Held on 1st Shift 2-11-2014

  • question_answer
    The disease colour blindness was discovered by?

    A) John Dalton                  

    B) Anderson Louis

    C) Robertson                     

    D) Bunsen

    Correct Answer: A

    Solution :

    Colour blindness was disoverd by John Dallon \[(1766-1844)\].


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