1. Which of the following invention is oldest ? 

2. Battery was invented by__________?

3. In human, Which body part develop first ?

4. 6 Elements are made of _________? 

5.  Who discovered blood circulation? 

6. What is the average weight of Human Heart?

7.  Which is the outermost planet in the solar system?

8. Cover of the capsule is made of__________?

9. Nail polish remover contains___________? 

10. In whole Periodic Table which element Is Most Reducing Agent ? 

11. All of the following are electromagnetic radiations except__________? 

12. Which of the following is a component of soap? 

13. A man can survive without food for atleast?

14. The protein content in wheat is approximately__? 

15. Growth is provided by________? 

16. lightest metal is__________? 

17. Nephology is study of_____________? 

18. The human heart is _______ ?

19. Cow milk is a rich source of____________? 

20. 61 Carbon dioxide was discovered by_______? 

21. What is the Medical term for Fever?

22. The blueness of the sky is mainly due to_____________?

23.  Atom was a name given by ____________ ? 

24. Chemical name of vinegar is _____________? Sodium Nitrate

25. An instrument to detect the purity of milkis____________?

26.  Who is the founder of solar system? 

27.  The distance b/w Earth and Moon is___________?

28.  The inner most part of the earth is__________?

29. A colloidal system in which a liquid is dispersed into a liquid is called_________?

30. Which part of the Camera is analogue to the retina in the human eye?