*Most Important General Science MCQs* ⭐Barometer measures Pressure ⭐ Voltmeter measures Voltage ⭐Lactometer measures Purity of Milk. ⭐ Thermometer measures Temperature ⭐Anemometer measures Velocity Of Wind ⭐Richter Scale measures Earthquake ⭐Hygrometer measures Degree Of Humidity ⭐Sphygmomanometer measures Blood Pressure ⭐Geiger counter measures Radioactivity ⭐Pyrometer measures Surface Temperature ⭐Rain Gauge measures Rainfall ⭐Seismograph measures Earthquake Recording ⭐Ammeter measures Electric current ⭐Altimeter measures Altitude ⭐Anemometer measures Velocity and Direction of Wind ⭐Barometer measures Atmospheric Pressure ⭐Audiometer measures Improvement of Hearing Power ⭐ Calorimeter measures Quantity of Heat ⭐Colorimeter measures Intensities of Colors. ⭐Unit of Frequency is Hertz ⭐ Unit of Rate of flow of water is Cusec ⭐ Unit of Length is Meter