Who invented the Polio vaccine ‘Oral’?
- Robert Koch
- Burk Holder
- Albert Sabin
- Jonas Salk
Which of the following instrument is used to measure humidity?
- Barometer
- Hydrometer
- Hygrometer
- Lactometer
Radioactivity was first discovered by?
- Newton
- Henri Becquerel
- Thomas Edison
- Nikola Tesla
An instrument used to detect the purity of milk is called:
- Hygrometer
- Barometer
- Sphygmomanometer
- Lactometer
The rear view mirror of a motor vehicle is
- Concave
- Plane
- Biconcave
- Convex
Trachoma is a disease of the
- Liver
- Eye
- Stomach
- Brain
Oncology is study of:
- Birds
- Tissues
- Soil
- Cancer
Meteorology is science of:
- Earthquakes
- Weather
- Meteors
- None of these