General ScienceWho invented the Polio vaccine ‘Oral’?Robert KochBurk HolderAlbert SabinJonas SalkWhich of the following instrument is used to measure humidity?BarometerHydrometerHygrometerLactometerRadioactivity was first discovered by?NewtonHenri BecquerelThomas EdisonNikola TeslaAn instrument used to detect the purity of milk is called:HygrometerBarometerSphygmomanometerLactometerThe rear view mirror of a motor vehicle isConcavePlaneBiconcaveConvexTrachoma is a disease of theLiverEyeStomachBrainOncology is study of:BirdsTissuesSoilCancerMeteorology is science of:EarthquakesWeatherMeteorsNone of these Previous Page1 … 6 7 8 9 10 … 12Next Page