Scientific Inventions Mcqs

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Scientific Inventions Mcqs Scientific Inventions Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.   1. Henry Bessemer is famous for invention of(a) Electroplating(b) Aluminum(c) Steel rolling mill(d) Steel Converter   2. Who invented penicillin(a) Alexander Fleming(b) Louis Pasteur(c) […]