1. The organelle that digests food particles, wastes, cell parts, and foreign invaders
Vacuole
Lysosome
Cytoplasm
Ribosome

2. In plant cells, this stiff wall surrounds the cell membrane, giving the cell a rigid, boxlike shape.
Cell Wall
Cell Membrane
Vacuole
Nuclear Envelope

3. Thin, flexible barrier around a cell, it regulates what enters and leaves the cell
Cell Wall
Golgi Apparatus
Cell Membrane
Nucleus

4. Vacuole Ribosome Cell Membrane Nucleus
The control center of the cell that directs the cell's activities; it contains the chemical instructions that direct all the cell's activities (DNA)
Vacuole
Ribosome
Cell Membrane
Nucleus

5. Cells that do not have a distinct nucleus are called:
Prokaryotic
Eukaryotic
Multicellular
Animal

6. The jellylike fluid that contains nutrients in a cell is the:
Cytoplasm
E.R.
Golgi Apparatus
Lysosome

7. Small organelles that are responsible for protein synthesis are the:
Nucleus
Ribosomes
Cytoplasm
Cell Membrane

8. The ‘powerhouse’ of the cell that generates the cell’s energy
Chloroplast
E.R.
Golgi Apparatus
Mitochondria

9. The organelle found in both animal and plant cells that is clear but contains dissolved nutrients is the:
Centriole
Chloroplast
Vacuole
Cell Membrane

10. Cells that have internal membranes surrounding specialized organelles are:
Bacteria Cells
Eukaryotic
Prokaryotic
Unicellular

11. Which of the following statements is false
All living things are made of cells.
Animal cells have a cell membrane and a cell wall.
Cells come from other cells.
Lysosomes are found only in animal cells.

12. To enter or leave a cell, substances must pass through
A microtubule
Golgi apparatus
Ribosome
Cell Membrane

13. Golgi apparatus Ribosome Mitochondria Nucleus lysosome
The pancreas is an organ that creates the protein insulin. Which organelle in a pancreas cell packages insulin to be secreted out of the cell?
Golgi apparatus
Ribosome
Mitochondria
Nucleus
lysosome

14. What cell structure makes it possible for the internal environment of a cell to differ from the external environment?
Cell wall
Cell membrane
E.R.
cytoplasm

15. Which of the following are all present in animal cells
mitochondria, cell membrane, cell wall, cytoplasm
chloroplasts, cytoplasm, vacuole, nucleus
nucleus, cell membrane, mitochondria, cytoplasm
vacuole, cell membrane, nucleus, mitochondria

16. Centrioles are present in _____.
Animal cells only
Plant cells only
In both plant and animal cells
In neither plant nor animal cells

17. The 'Scavengers' or 'Digestive bags' of a cell are ____.
Chromosomes
Centrosomes
Lysosomes
Ribosomes

18. The network of endoplasmic reticulum is present in the ____.
Nucleus
Chromosome
Cytoplasm
Golgi apparatus

19. Centrioles are associated with ____________.
Digestion
Reproduction
Respiration
Cell division

20. Bacterial cells are prokaryotic; in comparison to a typical eukaryotic cell they would
be smaller.
have a smaller nucleus.
lack a plasma membrane.
have a greater variety of organelles.

21. Proposed that cells are produced by other cells
Robert Hooke
Rudolf Virchow
Schwann
Schleiden

22. All things are made of cells, -cell is basic unit of life, -new cells come from existing cells
Theodor Schwann
Robert Hooke
cell theory
Rudolf Virchow

23. Discovered that plants are made of cells
Theodor Schwann
Prokaryotic cells
cell theory
Matthias Schleidan

24. They will expand but not burst. None of the above.
A 0.9% NaCl solution is isotonic to red blood cells. Which of these describes the results if red blood cells are placed into a 9% solution of NaCl?
They will burst.
They will shrink.
Nothing will happen.
They will expand but not burst.
None of the above.

25. Water will move from the right to the left.
The U-shaped tube in the figure below is divided by a membrane that is impermeable to starch but permeable to water. Which of the following will occur?
Water will move from the right to the left.
Water will move from the left to the right.
Starch will move from the right to the left.
Starch will move from the left to the right.
Nothing will happen. The membrane blocks the passage of all the molecules.

26. Where do new cells come from?
A. From the lymph glands.
B. From preexisting cells
C. From food molecules in the digestive tract.
D. From the blood

27. A. active transport B. diffusion C. mitosis D. osmosis
Which process requires a cell to use energy to move materials across its membrane when a concentration difference does not exist?
A. active transport
B. diffusion
C. mitosis
D. osmosis

28. Why must homeostasis be maintained in a cell?
A. Water will enter the cell if homeostasis is not maintained.
B. Salt will leave the cell if homeostasis is not maintained.
C. Wastes, water and nutrients must stay in the correct balance.
D. The cell membrane will lose the lipid bi-layer without homeostasis.