DEFENCE CT 14: Science Technology and Inventions Welcome to your DEFENCE CT 14: Science Technology and Inventions Question No. 1 N in SONAR stands for: A. Nano B. Negative C. Neuron D. Navigation None Question No. 2 Name the scientist who invented the first long lasting incandescent light bulb? A. Alessandro Volta B. Thomas Edison C. William Thomson D. Benjamin Franklin None Question No. 3 Radioactivity was discovered by A. Madam Curie B. Pierre Curie C. Henri Becquerel D. Rutherford None Question No. 4 The Indian GPS system developed by ISRO is known as A. NavIC B. Indostar C. Indoguide D. India GPS None Question No. 5 Dactylography is the study of ______ A. Finger prints B. Handwriting C. Forensic D. Carbon dating None Question No. 6 What was the name of the first artificial satellite launched by India in 1975? A. Charaka B. Panini C. Aryabhatta D. Sushruta None Question No. 7 ________ is known as father of Indian space programme. A. Rama K. Sarabhai B. Vikram Ambalal Sarabhai C. Krishnaswamy Ranga D. G. Madhavan Nair None Question No. 8 _______ was the first person who discovered cells. A. Alexander Fleming B. Francis Crick C. Robert Hooke D. Ernest Rutherford None Question No. 9 What is a ROM in a computer? A. Random Open Memory B. Read Only Memory C. Random Only Memory D. None of these None Question No. 10 Who is known as the 'father of computer’? A. Pascal B. Hollerith C. Newman D. Charles Babbage None Time's up