2. 7 th Grade Science Cells and Internal Structures Review

3. A:B: PlasmaCells #1 All organisms are composed of __________. C:D: CytoplasmInorganic matter

4. B. Cells

5. A:B: Cell wallChloroplast C:D: Lysosome Vacuole #2 Which two structures are present only in plant cells? (B & F) In this diagram.

6. A. Cell wall & B. Chloroplast

7. A:B: plasmachloroplasts C:D: cellsNone of these In organisms, ______ are the basic unit of life and are found in all tissue and organs. #3

8. C. Cells

9. A:B: It gives the cell shape and support C:D: Both of theseNone of these It controls cellular activities #4 The nucleus in a cell contains chromosomes made of DNA material. What is the function of this nucleus? (D) In this diagram.

10. A. It controls cellular activities

11. A:B: MitochondriaGlucose C:D: ChloroplastsVacuoles #5 What are the small green structures in plants that trap energy from the sun and allow it to produce its own food? (F) In this diagram.

12. C. Chloroplasts

13. A:B: PlantAnimal #6 Photosynthesis occurs in what type of cell? C:D: MitochondriaVacuole

14. A. Plant

15. A:B: MitochondriaNucleus C:D: Vacuolenone of these #7 In this diagram, which organelle indicates the part of the cell that contains most of the cells DNA?

16. B. Nucleus

17. A:B: GlucoseBrain C:D: MitochondriaAmoeba #8 The organelle that changes sugar into a substance that the cell can use for energy. (E) in this diagram.

18. C. Mitochondria

19. A:B: GlucoseBrain #9 Which of these is an example of an organelle? C:D: CytoplasmAmoeba

20. C. Cytoplasm

21. A: B: Cell Theory Organism Theory #10 *All organisms are made up of one or more cells. *Cells are the smallest unit of life. *All cells come from pre-existing cells. These are the main facts of _____ _____. C: D: System Theory Amoeba Theory

22. A. Cells, tissue, organs, organ systems, organisms

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