1. One of the countries through which equator passes is:

2. The instrument which is specially designed for recording earth quake wave is called seismograph which measure earth quake waves on a

3. A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect:

4. Evolution can be described as:

5. Night vision is possible with the help of:

6. What is the only source of new alleles?

7. Magnifying power of a simple microscope can be increased by:

8. A body can escape the gravitational pull of the earth if it is thrown up with a velocity of:

9. Twinkling of stars is caused by:

10. A very important practical application of properties of matter is hocing or "god" practiced by the farmers. This property of matter is called:

11. Which of the following, lists the four stages of food processing in order?

12. In humans, most nutrient molecules are absorbed by the:

13. Bronze medal is made up of metal:

14. Which one of the following planets has largest number of natural satellites

15. Fossils found in the lowest geological strata are generally most:

16. It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of

17. Myopia is a defect of human eye. It can be corrected by using a lens called:

18. The energy needed to fuel essential body processes is called:

19. The planet Mercury completes one rotation around the sun is

20. Polygenic characteristic are controlled by: