Download Test 6 Chapter 7 (cell)

Biology Test : Chapter 7 Cell Structure and Function
2010-2011
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
____
1. When molecules move from low to high concentration what type of transport is taking place?
a. passive
c. osmosis
b. active
d. diffusion
____
2. When materials pass into and out of the cell at equal rates, there is no net change in concentration inside the
cell. The cell is in a state of:
a. equilibrium
c. metabolism
b. imbalance
d. inertia
____
3. When Kool-Aid is added into a beaker of water, the molecules will
a. move from low concentration to high concentration
b. move from high concentration to low concentration
c. form a polar bond
d. remain on the bottom of the beaker
____
4. The net movement of particles from an area of higher concentration to an area of lower concentration is called
a. active transport
c. nonrandom movement
b. osmosis
d. diffusion
____
5. Water moves into a cell placed in a(n) _____ solution.
a. osmotic
c. hypotonic
b. hypertonic
d. isotonic
____
6. If a cell is placed in salt water, water leaves the cell by _____.
a. osmosis
c. active transport
b. diffusion
d. phagocytosis
____
7. Which of the following requires energy?
a. facilitated diffusion
b. endocytosis
c. diffusion
d. osmosis
____
8. The structure most responsible for maintaining cell homeostasis is the _____.
a. cytoplasm
c. cell wall
b. mitochondrion
d. plasma membrane
____
9. When a cell takes in solid material by active transport it is called
a. phagocytosis
c. exocytosis
b. pinocytosis
d. cytosis
____ 10. When material exits the cell by active transport it is called
a. phagocytosis
c. exocytosis
b. pinocytosis
d. cytosis
____ 11. An organ system is a group of organs that
a. are made up of similar cells.
b. are made up of similar tissues.
c. work together to perform a specific function.
d. work together to perform all the functions in a multicellular organism.
____ 12. As a cell becomes larger, its
a. volume increases faster than its surface area.
b. surface area increases faster than its volume.
c. volume increases, but its surface area stays the same.
d. surface area stays the same, but its volume increases.
____ 13. Refer to the illustration above. The process shown is called
a. osmosis.
c. active transport.
b. facilitated diffusion.
d. diffusion.
____ 14. Proteins that serve as tunnels for specific substances through the lipid bilayer are
a. cell-surface markers.
c. receptor proteins.
b. transport proteins.
d. enzymes.
10% NaCl
____ 15. In the figure above, which way will the water move?
a. into the cell
c. equally into and out of the cell
b. out of the cell
d. none of these
____ 16. In the figure above, the cell is in what kind of solution?
a. hypotonic
c. isotonic
b. hypertonic
d. homeostasis
____ 17. In the figure above, what will happen to the cell?
a. cytolysis
c. equilibrium
b. plasmolysis
d. nothing
67% NaCl
____ 18. In the figure above, which way will the water move?
a. into the cell
c. equally into and out of the cell
b. out of the cell
d. none of these
____ 19. In the figure above, the cell is in what kind of solution?
a. hypotonic
c. isotonic
b. hypertonic
d. homeostasis
____ 20. In the figure above, what will happen to the cell?
a. cytolysis
c. equilibrium
b. plasmolysis
d. nothing
50% NaCl
____ 21. In the figure above, which way will the water move?
a. into the cell
c. equally into and out of the cell
b. out of the cell
d. none of these
____ 22. In the figure above, what type of solution is the cell in?
a. hypotonic
c. isotonic
b. hypertonic
d. none of these
____ 23. Which of the following is characteristic of prokaryotes?
a. They have a nucleus.
b. They existed on Earth before eukaryotes.
c. The organelles in their cytoplasm are surrounded by membranes.
d. None of the above
____ 24. Only eukaryotic cells have
a. DNA.
b. membrane-bound organelles.
c. ribosomes.
d. cytoplasm.
____ 25. The plasma membrane
a. encloses the contents of a cell.
b. regulates what enters & leaves the cell.
c. is selectively permeable.
d. All of the above
____ 26. A structure within a cell that performs a specific function is called a(n)
a. organelle.
c. tissue.
b. organ tissue.
d. biocenter.
____ 27. Numerous hairlike organelles that protrude from the surface of a cell and are packed in tight rows are called
a. flagella.
c. actin filaments.
b. microtubules.
d. cilia.
____ 28. Proteins are made on the
a. mitochondria.
b. ribosomes.
c. nucleus.
d. plasma membrane.
____ 29. The packaging and distribution center of the cell is the
a. nucleus.
c. central vacuole.
b. Golgi apparatus.
d. nuclear envelope.
____ 30. The organelles associated with photosynthesis are the
a. mitochondria.
c. Golgi apparatus.
b. chloroplasts.
d. vacuoles.
____ 31. The organelles in plant cells that contain a green pigment are the
a. mitochondria.
c. chloroplasts.
b. bilayer lipids.
d. Golgi apparatus.
____ 32. Plant cells have a large membrane-bound space in which water, waste products, and nutrients are stored. This
place is known as a
a. mitochondrion.
c. Golgi apparatus.
b. chloroplast.
d. central vacuole.
____ 33. Which of the following is the correct order of organization of structures in living things, from simplest to
most complex?
a. organ systems, organs, tissues, cells
c. cells, tissues, organ systems, organs
b. tissues, cells, organs, organ systems
d. cells, tissues, organs, organ systems
____ 34. Which organelle breaks down compounds into small particles that the cell can use?
a. Golgi apparatus
c. endoplasmic reticulum
b. lysosome
d. mitochondrion
____ 35. The thin, flexible barrier around a cell is called the
a. cell membrane.
c. cell envelope.
b. cell wall.
d. cytoplasm.
____ 36. Which of the following is a function of the cytoskeleton?
a. helps a cell keep its shape
c. surrounds the cell
b. contains DNA
d. helps make proteins
____ 37. Which statement is a fundamental principle of the cell theory?
a. All cells have a plasma membrane.
b. Eukaryotic cells are larger than prokaryotic cells.
c. Living organisms are composed of cells.
d. The genetic material in cells is DNA.
____ 38. A plant cell is placed in a hypotonic solution. What will happen to the plant cell?
a. It will swell.
c. It will stay the same.
b. It will shrink.
d. It will wilt.
____ 39. Hooke’s discovery of cells was made observing
a. living algae cells.
c. cork cells
b. human blood cells.
d. skin cells.
____ 40. In which of the following organelles is a cell’s energy produced?
a. mitochondrion
c. Golgi apparatus
b. endoplasmic reticulum
d. lysosome
____ 41. All of the following are found in both plant and animal cells, except
a. a cell wall.
c. mitochondria.
b. a plasma membrane.
d. the endoplasmic reticulum.
____ 42. What organelle produces lipids?
a. smooth ER
b. rough ER
c. lysosomes
d. Golgi apparatus
____ 43. What organelle produces proteins?
a. smooth ER
b. rough ER
c. lysosomes
d. Golgi apparatus
____ 44. Which of the following is not a form of passive transport?
a. osmosis
c. endocytosis
b. diffusion
d. facillitated diffusion
____ 45. The cell membrane is made up of
a. proteinlipid
b. phospholipid
c. phospholipid bilayer
d. proteinlipid bilayer
____ 46. The work of Schleiden and Schwann can be summarized by saying that
a. all plants are made of cells
c. plants and animals are not cells
b. all animals are made of cells
d. all plants and animals are made of cells
____ 47. The main function of the cell wall is to
a. support and protect the cell
b. store DNA
c. direct the activities of the cell
d. help the cell move
____ 48. Which cell structure contains the cell’s genetic material and controls many of the cell’s activities?
a. organelle
c. cytoplasm
b. nucleus
d. ER
____ 49. The difference in concentration of a substance across a space is called
a. dynamic equilibrium
c. concentration gradient
b. diffusion
d. osmosis
____ 50. Diffusion can be accelerated by
a. decreasing the pressure
b. increasing the temperature
c. decreasing the movement of particles
d. increasing the dynamic equilibrium
Biology Test : Chapter 7 Cell Structure and Function
Answer Section
MULTIPLE CHOICE
1. ANS: B
2. ANS: A
3. ANS: B
PTS: 1
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