| 11 | The amount of energy provided by eggs is | 150 K Calories / 100 gm |
| 12 | Optical fibres are the fine strands of | Glass |
| 13 | If a U-238 nucleus splits into two identical parts, the two nuclei so produced will be | Radioactive |
| 14 | Which one of the following would give the highest energy per gram? | Fats |
| 15 | Nitrogen occurs in plants and animals in the form of | Proteins |
| 16 | Which of the following is the name of the smallest part of the matter discovered by the scientists? | Quark |
| 17 | Radioactivity was first discovered by | Henri Becquerel |
| 18 | Which one of the following is the main culprit in the thinning of Ozone layer in the earth's stratosphere? | Nitrogen oxides |
| 19 | Bats can also fly in dark because they are capable of taking the help of | Ultrasonic Waves |
| 20 | Heating element of an electric heater is made up of | Nichrome |