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. / osmosisb. / 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. / metabolismb. / imbalance / d. / inertia
____3.When Kool-Aid is added into a beaker of water, the molecules will
a. / move from low concentration to high concentrationb. / 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 movementb. / osmosis / d. / diffusion
____5.Water moves into a cell placed in a(n) _____ solution.
a. / osmotic / c. / hypotonicb. / hypertonic / d. / isotonic
____6.If a cell is placed in salt water, water leaves the cell by _____.
a. / osmosis / c. / active transportb. / diffusion / d. / phagocytosis
____7.Which of the following requires energy?
a. / facilitated diffusion / c. / diffusionb. / endocytosis / d. / osmosis
____8.The structure most responsible for maintaining cell homeostasis is the _____.
a. / cytoplasm / c. / cell wallb. / mitochondrion / d. / plasma membrane
____9.When a cell takes in solid material by active transport it is called
a. / phagocytosis / c. / exocytosisb. / pinocytosis / d. / cytosis
____10.When material exits the cell by active transport it is called
a. / phagocytosis / c. / exocytosisb. / 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 cellb. / out of the cell / d. / none of these
____16.In the figure above, the cell is in what kind of solution?
a. / hypotonic / c. / isotonicb. / hypertonic / d. / homeostasis
____17.In the figure above, what will happen to the cell?
a. / cytolysis / c. / equilibriumb. / 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 cellb. / out of the cell / d. / none of these
____19.In the figure above, the cell is in what kind of solution?
a. / hypotonic / c. / isotonicb. / hypertonic / d. / homeostasis
____20.In the figure above, what will happen to the cell?
a. / cytolysis / c. / equilibriumb. / 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 cellb. / out of the cell / d. / none of these
____22.In the figure above, what type of solution is the cell in?
a. / hypotonic / c. / isotonicb. / 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. / c. / ribosomes.b. / membrane-bound organelles. / d. / cytoplasm.
____25.The plasma membrane
a. / encloses the contents of a cell. / c. / is selectively permeable.b. / regulates what enters & leaves the cell. / 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. / c. / nucleus.b. / ribosomes. / 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, organsb. / 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 reticulumb. / 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 cellb. / 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 cellsb. / human blood cells. / d. / skin cells.
____40.In which of the following organelles is a cell’s energy produced?
a. / mitochondrion / c. / Golgi apparatusb. / 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 / c. / lysosomesb. / rough ER / d. / Golgi apparatus
____43.What organelle produces proteins?
a. / smooth ER / c. / lysosomesb. / rough ER / d. / Golgi apparatus
____44.Which of the following is not a form of passive transport?
a. / osmosis / c. / endocytosisb. / diffusion / d. / facillitated diffusion
____45.The cell membrane is made up of
a. / proteinlipid / c. / phospholipid bilayerb. / phospholipid / 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 cellsb. / 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 / c. / direct the activities of the cellb. / store DNA / 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. / cytoplasmb. / nucleus / d. / ER
____49.The difference in concentration of a substance across a space is called
a. / dynamic equilibrium / c. / concentration gradientb. / diffusion / d. / osmosis
____50.Diffusion can be accelerated by
a. / decreasing the pressure / c. / decreasing the movement of particlesb. / increasing the temperature / d. / increasing the dynamic equilibrium
Biology Test : Chapter 7 Cell Structure and Function 2010-2011
Answer Section
MULTIPLE CHOICE
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