7 th Grade Science Cells and Internal Structures Review

1. 7th Grade Science Cells and Internal Structures Review

2. #1 What is the outer cover of a plant cell that provides the plant with support even on a windy day? (B) In this diagram. Cell wall Cell membrane A: B: Plant wall Animal wall C: D:

3. A. Cell wall

4. #2 All organisms are composed of __________. Plasma Cells A: B: Cytoplasm Inorganic matter C: D:

5. B. Cells

6. #3 Which structures are present only in plant cells? (2 & 5) In this diagram. 5 Chloroplast Cell Wall A: B: Vacuole C: Lysosome D:

7. Cell wall and B. Chloroplast

8. #4 In organisms, ______ are the basic unit of life and are found in all tissue and organs. plasma chloroplasts A: B: cells None of these C: D:

9. C. Cells

10. #5 The nucleus in a cell contains chromosomes made of DNA material. What is the function of this nucleus? Nucleus It controls cellular activities It gives the cell shape and support A: B: Both of these None of these C: D:

11. A. It controls cellular activities

12. #6 What are the small green structures in plants that trap energy from the sun and allow it to produce its own food? (2) In this diagram. 5 Mitochondria Glucose A: B: Chloroplasts Vacuoles C: D:

13. C. Chloroplasts

14. #7 What is the function of the vacuole within a cell? (A) In this diagram. Stores fluid and waste within a cell Produces energy in a cell A: B: Neither Both C: D:

15. A. Store fluid and waste within a cell.

16. #8 Fluid and waste would not be store within a cell in the absence of a ______ within the cell. Cell wall Nucleus A: B: Mitochondria Vacuole C: D:

17. C. Vacuole

18. #9 These cells would most likely belong to a _________ . Neither a plant or animal Plant A: B: Animal Plant & animal C: D:

19. D. Plant

20. #10 Cells were given their name because they look like Individual compartments of life. *Who first cam up with the term “cell”? Robert Hooke John Cell A: B: Francis Smith None of these C: D:

21. A. Robert Hooke

22. #11 In this diagram, which organelle indicates the part of the cell that contains most of the cells DNA? Mitochondria Nucleus A: B: Vacuole none of these C: D:

23. B. Nucleus

24. #12 In this diagram, which organelle indicates the part of the cell that separates the interior of the cell from its environment? Cell membrane Mitochondria Nucleus A: B: Cell membrane none of these C: D:

25. C. Cell membrane

26. #13 The cell structure responsible for producing food in a plant. (F) In the diagram. Cell membrane Mitochondria A: B: Chloroplast none of these C: D:

27. C. Chloroplasts

28. #14 Which of these is an example of an organelle? Glucose Brain A: B: Cytoplasm Amoeba C: D:

29. C. Cytoplasm

30. #15 *All organisms are made up of one or more cells. *Cells are the basic unit of life and are found in all tissues and organs. *All cells come from pre-existing cells. These are the main facts of _____ _____. Organism Theory Cell Theory A: B: System Theory Amoeba Theory C: D:

31. A. Cells Theory

32. #16 Parts of the Cell Rap

33. Great Job!!!! Thank you for playing!