1. Who was the first Muslim mathematician who used "Zero:

2. The echo of Big Bang can be heard in the form of:

3. he sharp-bitter taste of saripe fruits is due to high concentration of:

4. Important ingredient used in vicks vapor rub is obtained from the plant:

5. Sun rises in the east and sets in the west due to the:

6. A shooting star is

7. From ecological point of view human beings are taken as:

8. What is Hubble Classification?

9. Flesh eaters are called:

10. The use of antibiotic is a very effective way of killing disease causing bacteria. Sometime people don't finish all of their pills. This can result in:

11. Which of the following is both endocrine and exocrine gland?

12. Chromosomes are made up of:

13. The major cause of land pollution is:

14. The process by which small amount of impurities is added into a semiconductor is called:

15. Omar Khayyam was

16. Why some nebulae shine?

17. Which of the following is a semiconductor?

18. What are cyclones?

19. Plants can be made disease resistant by:

20. A 'clinical death' takes place when: