Page 45 - Demo

Based on Units 3 and 4I.Answer the following questions in one word.1.Who discovered protons?. ................................2.Who created Twitter? .................................3.Name the device that converts chemical energy into electrical energy? .................................4.Which Indian singer is known as the Melody Queen? .................................5.Who was the tenth Guru of the Sikhs? .................................6.What is the other name of the breast bone? .................................7.Which is the largest cattle fair in Asia? .................................8.What is the measurement of time and rhythm in music called?..................................9.Who specialises in the treatment of the diseases of the eye? ..................................10.Name a simple machine that consists of a rigid object and fulcrum. ...............................II.Identify and write their names.1..............................2..............................3..............................4..............................5..............................6..............................45