Review science

Review

Acids and BasesMicroscope and Cells

1. What is the use of microscope.2. What is the use of the eyepiece?

3. How do you carry the microscope?

4. What is the use of diaphragm?5. What is the use of objective lens?

Questions:

6. Who were the scientists who

formulated the cell theory?7. What is the meaning of pH?

8. Give 3 substances that are acids?9. Name the organelles that are the same

with plants and animals.10. What happens in plants that does not

happen in animals?

11. What organelle helps the plant in rigid

shape? 12. What organelle contains the genetic

information or chromosomes?13. What is the study of cells?

14. Who is Robert Hooke and what did he study?

15. Schleiden studied ___________ cells.

16. Schwann studied ___________

cells.17. The combined work of Schleiden

and Schwann is the ___________ theory.

18. A type of cell that has no true nucleus.

19. A type of cell that has nucleus. 20. What do you call the boundary in

the cell that is semi-permeable in animals and freely permeable in

plants?

21. What do you call the tiny

structures in the cell?22. It is called the brain of the cell and controls all the activities in the

cell. 23. How do cells differ?

24. It is a jelly-like substance that makes up most of the inside of the

cell. 25. They are the protein factories of

the cell.

26. What structures are found in animal cell

that help in cell division?27. It is the powerhouse and makes energy for

the cell.28. It contains the green pigment, chlorophyll

needed in photosynthesis. 29. It stores food.

30. State the level of organization in living things.

31. It is made up of only one cell.

32. It is made up of more than one cells. 33. These are group of cells that work

together. 34. These are group of tissues working

together. 35. These are group of organs working

together.

36. Who discovered the nucleus of the cell?

37. An example of prokaryotic is ___________.

38. An example of eukaryotic is ____________.

39. These are group of systems as one. 40. What did Hooke use to observe cork

cells?

41. Describe the pH scale (acid) of

2 substances.

42. Describe the pH scale (base) of

2 substances.

43. What part of microscope is F?

44. What part of microscope is B?

45. What part of microscope is L?

46. What part of microscope is J?

47. What part of microscope is G?

48. What part of microscope is C?