| 31 | The snow on the mountains does not melt all at once when it is heated by the sun because | It reflects most of the heat from the sun |
| 32 | In July 2009 first Panda was born from frozen sperm in | China |
| 33 | Washing soda in water behaves like | Acidic |
| 34 | The muscles, tissues and blood all are made up of | Proteins |
| 35 | During a total solar eclipse there is most likely to be | A decrease in the rate of photosynthesis |
| 36 | The large plates of solar pannes are painted | Black |
| 37 | Heating element of an electric heater is made up of | Nichrome |
| 38 | A Fahrenheit thermometer indicates a temperature of 14°F. Its corresponding reading on the Celsius scale will be | -10°C |
| 39 | Which of the following is the name of the smallest part of the matter discovered by the scientists? | Quark |
| 40 | Enzymes help in | Digestion of food |