CSS Past PapersBREveryday Science 2009BRTest - 5


CSS Past Papers
1. Which one of the following is a non-metallic mineral?





CSS Past Papers
2. Ozone layer prevents the following radiation from entering the atmosphere?





CSS Past Papers
3. The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from?





CSS Past Papers
4. Yeast is used in making bread because it produces?





CSS Past Papers
5. Oasis is associated with?





CSS Past Papers
6. Quartz crystal in quartz watches work on the principle called?





CSS Past Papers
7. The fruits without seed, like banana, are called?





CSS Past Papers
8. Animal which captures and readily kills living animals for its food is called?





CSS Past Papers
9. In a railway track, two rails are joined end to end with a gap tin between them because?





CSS Past Papers
10. Name the famous book of Ibn-Sina in which he discussed human physiology and medicine?








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