26The aeroplane was invented by:AKarl BenzBHenry FordCLouis BlériotDThe Wright brothersView AnswerDiscussWorkspaceReportSaveEasy
27Who built the first practical petrol-powered car?AEnzo FerrariBHenry FordCRudolf DieselDKarl BenzView AnswerDiscussWorkspaceReportSaveEasy
28Who invented the telephone?AGuglielmo MarconiBThomas EdisonCNikola TeslaDAlexander Graham BellView AnswerDiscussWorkspaceReportSaveEasy
29Who developed pasteurisation?ARobert KochBJoseph ListerCLouis PasteurDEdward JennerView AnswerDiscussWorkspaceReportSaveEasy
30Ronald Ross is known for discovering that malaria is transmitted by:AContaminated waterBFliesCRatsDMosquitoesView AnswerDiscussWorkspaceReportSaveEasy