Multiple Choice
Identify the letter of the choice that
best completes the statement or answers the question.
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1.
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Who
was the first person to identify and see cells? a. | Anton van Leeuwenhoek | b. | Robert Hooke | c. | Matthias Schleiden | d. | Rudolf Virchow | | |
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2.
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The
work of Schleiden and Schwann can be summarized by saying that a. | all plants are made of cells. | b. | all animals are made of cells. | c. | plants and animals have specialized
cells. | d. | all plants and
animals are made of cells. | | |
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3.
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The
cell theory applies to a. | bacteria. | b. | plants and animals. | c. | multicellular organisms. | d. | all of the above | | |
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4.
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Which
cell structure contains the cell's genetic material and controls the cell's
activities? a. | organelle | b. | nucleus | c. | cell envelope | d. | cytoplasm | | |
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5.
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Prokaryotes lack a. | cytoplasm. | b. | a cell membrane. | c. | a nucleus. | d. | genetic material. | | |
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6.
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Which
of the following contains a nucleus? a. | prokaryotes | b. | bacteria | c. | eukaryotes | d. | organelles | | |
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7.
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Eukaryotes usually contain a. | a nucleus. | b. | specialized organelles. | c. | genetic material. | d. | all of the above. | | |
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8.
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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. | | |
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9.
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You
probably won't find a cell wall in which of these kinds of organisms? a. | plants | b. | animals | c. | fungi | d. | none of the above | | |
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10.
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Which
of the following statements explains why the nucleus is important to cells? a. | Only eukaryotes have nuclei. | b. | Only prokaryotes have nuclei. | c. | The nucleus contains coded instructions for making
proteins. | d. | The nucleus is
surrounded by a nuclear envelope. | | |
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11.
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Which
of the following is a function of the cytoskeleton? a. | helps a cell keep its shape | b. | contains DNA | c. | surrounds the cell | d. | helps make proteins | | |
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12.
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Which
organelle breaks down food into particles the cell can use? a. | Golgi apparatus | b. | lysosome | c. | endoplasmic reticulum | d. | mitochondrion | | |
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13.
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Which
organelle makes proteins using coded instructions that come from the nucleus? a. | Golgi apparatus | b. | mitochondrion | c. | vacuole | d. | ribosome | | |
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14.
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Which
organelle converts food into compounds that the cell uses for growth, development, and
movement? a. | chloroplast | b. | Golgi apparatus | c. | endoplasmic reticulum | d. | mitochondrion | | |
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15.
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Which
organelles help provide cells with energy? a. | mitochondria and chloroplasts | b. | rough endoplasmic reticulum | c. | smooth endoplasmic reticulum | d. | Golgi apparatus and ribosomes | | |
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16.
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Which
sequence correctly traces the path of a protein in the cell? a. | rough endoplasmic reticulum, Golgi apparatus, released
from the cell | b. | ribosome, smooth
endoplasmic reticulum, chloroplast | c. | smooth endoplasmic reticulum, lysosome, Golgi
apparatus | d. | mitochondria,
rough endoplasmic reticulum, cell membrane | | |
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17.
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Which
organelle would you expect to find in plant cells? a. | mitochondrion | b. | ribosome | c. | chloroplast | d. | smooth endoplasmic reticulum | | |
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18.
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Which
of the following structures serves as the cell's boundary from its environment? a. | mitochondrion | b. | cell membrane | c. | chloroplast | d. | channel proteins | | |
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19.
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Which
of the following is a function of the cell membrane? a. | breaks down lipids, carbohydrates, and proteins from
foods | b. | stores water,
salt, proteins, and carbohydrates | c. | keeps the cell wall in place | d. | regulates which materials enter and leave the
cell | | |
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20.
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The
cell membrane contains channels and pumps that help move materials from one side to the other. What
are these channels and pumps made of? a. | carbohydrates | b. | lipids | c. | bilipids | d. | proteins | | |
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21.
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Diffusion is the movement of molecules from a. | an area of low concentration to an area of high
concentration. | b. | an area of high
concentration to an area of low concentration. | c. | an area of equilibrium to an area of high
concentration. | d. | all of the
above | | |
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22.
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Which
means of particle transport requires input of energy from the cell? a. | diffusion | b. | osmosis | c. | facilitated diffusion | d. | active transport | | |
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23.
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The
diffusion of water across a selectively permeable membrane is called a. | osmotic pressure. | b. | osmosis. | c. | facilitated diffusion. | d. | active transport. | | |
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24.
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An
animal cell that is surrounded by fresh water will burst because the osmotic pressure
causes a. | water to move
into the cell. | b. | water to move out
of the cell. | c. | solutes to move
into the cell. | d. | solutes to move
out of the cell. | | |
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25.
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A
group of cells that perform similar functions is called a(an) a. | organ. | b. | organ system. | c. | tissue. | d. | division of labor. | | |
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