| 1 | Which one of the following units represents the largest amount of energy? | Calorie |
| 2 | Triple antigen vaccine is given to children to protect them against | Whooping cough |
| 3 | Most of the ozone in the atmosphere is concentrated in the | Stratosphere |
| 4 | All forms of energy that we use are ultimately transformed into | Heat energy |
| 5 | Haemoglobin in the blood is a complex protein rich in | Iron |
| 6 | An instrument to detect the purity of milk is | Lactometer |
| 7 | A man weighing 96 kg consists of approximately ___ litres of water | 66.5 litres |
| 8 | Detergents dissolved in water help in cleaning clothes by | Reducing the surface tension of water |
| 9 | The rear view mirror of a motor vehicle is | Convex |
| 10 | Heating element of an electric heater is made up of | Nichrome |