Inventions And Discoveries - General Knowledge Quiz MCQ

 General Knowledge questions and answers on various inventions and discoveries in the world. These questions are important for various competitive exam point of view. 1) Who invented the telephone ? J.L BairdAlexander Graham BeltMarconiJames DewarShow/Hide Answer Answer =B2) Who propounded the Quantum Theory ? Albert EinsteinJames C. MaxwellHeisenbergMax PlanckShow/Hide Answer Answer =D3) Who is