1. Dead plants and animals are

2. Rate of flow of charge is called

3. ............... React chemically with fat or oil to form soap

4. Rusting of iron involves...................?

5. The number of naturally occurring elements is

6. The number of protons present in the nucleus of one atom of any element is called its

7. According to ............. Law Resistance is calculated by dividing voltage by current

9. Deficiency of vitamin_A results in?

10. The animals which kill and hunt other animals for food called

11. The study of Plants and animals is called

12. The whorl of sepals is called..........

14. What is the largest gland in the human body?

15. Electron was discovered by?

16. The heaviest naturally occurring element is..............?

18. Largest bird in the world is

19. Olfactory nerves links....... and...........

20. Air contain.................. Nitrogen

21. Hailey's comet is visible after every...............?

22. Animals are called

23. Algae Clour is

24. Cactus is found in

25. Bacteria are kept in separate kingdom called

26. Voltmeter is used for measurement of............

27. The international system of units was introduced in

28. Boiling of an egg is change which is.............?

29. ............... are reproductive organs of plants.

30. Gear system is an advanced shape of

33. The part of the solution which is less in quantity called

34. Leaves are narrow and pointed

35. Ability to do work is called

36. ....................... Is a friendly relationship between two organisms

37. The perpendicular force acting on unit surface area of an object is called...............?

38. Ded red blood corpuscles are stored in.......?

39. The valency of carbon atom is.............?

40. The mirror used in the Automobiles are................?

41. The formation of ghee from vegetable oil is an example of.............

43. The largest artery is named as

44. Plants are called

45. Animals are divided into _ large subgroups

46. Convection occurs only in.

47. The biotic components of the environment Include..............

48. What is present in gastric juice?

49. The speed of sound is........... Meter per second in iron