Invention

Q 1. Who invented the BALLPOINT PEN? A)Waterman Brothers B)Bicc Brothers C)Biro Brothers D)Write Brothers Answer : Option C Explanation: The Hungarian brothers, Laszlo and George Biro, made the first ball point pen in 1894. It followed the first workable fountain pen which was invented by L.E. Waterman in 1884. Q 2. Neutron was discovered by A)Chadwick B)Rutherford C)Mendeleef D)Marie Curie Answer : Option A Explanation: No answer description available for this question. Q 3. Blood Circulation was discovered by A)Alexander Fleming B)William Harvey C) Louis D)none of these Answer : Option B Explanation: No answer description available for this question. Q 4. Inert gases were discovered by A)Newton B)Dalton C)Roentgen D)Ramsay Answer : Option D Explanation: No answer description available for this question.

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