| 91 | The amount of energy required by the children of age between one to three years is | 600 K Calories |
| 92 | In the electricity meter, the digit to the extreme right is | 1/10th of the unit |
| 93 | Why are soft drinks made with chilled water rather than water at room temperature? | Chilled water attracts more carbon dioxide |
| 94 | Coke is made by heating coal in the absence of air at: | 1000-1100°C |
| 95 | Which one of the following is a metal | Iron |
| 96 | Optical fibres are the fine strands of | Glass |
| 97 | Ice blocks are covered with sawdust | To provide necessary insulation from heat |
| 98 | Which type of blood of individuals are universal recipients? | Type A, B |
| 99 | Nitrogen occurs in plants and animals in the form of | Proteins |
| 100 | Which gas is commonly used in balloons and airships? | Helium |