Everyday Science Online Test 2

1. Oil rises up the wick in a lamp ?

2. We hear the sound later, while the light is seen earlier ?

3. Pencil 'lead' is made up of ?

4. Bates can fly in the dark because ?

5. The 'stones' formed in human kidney consist mostly of ?

6. The image formed on the retina of the eye is ?

7. If the surface water in a lake is just going to freeze, what will be the temperature of water at the bottom ?

8. How much blood does a normal person have in his body ?

9. The universal law of gravitation was propounded by ?

10. Which one of the following substances is used for preservation of food grains ?

11. The deficiency of which one of the following vitamins leads to bleeding of gums and loosing of teeth ?

12. Camel uses its hump for ?

13. A men standing in a free falling lift releases a ball from his hand. The ball would be ?

14. Blood is formed in the human adult by the ?

15. The disease caused by Asbestos is ?