General knowledge question and answer on Inventions
| 1 | Air conditioner was discovered by A. Edison B. Wilson C. Carrier D. Roentgen |
| 2 | Who invented logarithms? A. Mandeleef B. Shockley C. Amundson D. John Napier |
| 3 | Roentgen discovered A. Electrocardiograph B. X–rays C. Encephalograph D. Anti polio vaccine |
| 4 | Electrons were discovered by A. Newton B. Roentgen C. J.J.Thompson D. Edison |
| 5 | Television was invented by A. Sholes B. Shockley C. J.L.Baird D. John Napier |
| 6 | Penicillin was invented by Fleming in the year. A. 1842 B. 1929 C. 1945 D. 1951 |
| 7 | Fax machine was invented by A. Daimler B. Bain C. Dewar D. None of these |
| 8 | Deficiency of iodine cause A. fever B. thyroid malfunction C. skin disease D. indigestion |