Modified
True/False
Indicate whether the sentence or statement is true or false. If false, change
the identified word or phrase to make the sentence or statement true.
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1.
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Alligators and crocodiles are
classified in the same order and therefore probably have different evolutionary histories.
_________________________
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2.
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Tibicen superbus is a
name Linnaeus might have given to an organism. _________________________
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3.
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Each genus of organisms
is divided into classes. _________________________
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4.
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Mushrooms, molds, and mildew
are members of the fungi kingdom. _________________________
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5.
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Unlike the cells of other
organisms, the cells of bacteria do not have nuclei. _________________________
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6.
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The cell membrane is the
outermost structure of most bacterial cells. _________________________
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7.
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Binary fission occurs
when a bacterium transfers some of its genetic material to another bacterium.
_________________________
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8.
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Vaccines such as
penicillin are chemicals that can kill bacteria. _________________________
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9.
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Viruses are considered to be
nonliving because they are not made of protein. _________________________
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10.
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When a virus invades a living
cell, its outer coat takes over the cell's functions. _________________________
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Multiple
Choice
Identify the letter of the choice that best completes the statement or answers the
question.
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11.
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What is
taxonomy? a. | the scientific study of how living things are
classified | b. | the name of Aristotle's classification
system | c. | the process used by geologists to classify
rocks | d. | the process of observing an organism's
behavior | | |
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12.
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Why do scientists organize
living things into groups? a. | so they can find them in the wild more
easily | b. | so that the organisms are easier to study | c. | so they can make sense of the variety of rocks on Earth. | d. | so products from living things can be easily found in
groceries | | |
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13.
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What is binomial
nomenclature? a. | Classifying organisms into seven levels | b. | The naming system developed by Aristotle | c. | Grouping animals based on how they move | d. | A naming system in which each organism is given a two-part
name | | |
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14.
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An organism's scientific name
consists of a. | its class name and its family name. | b. | its kingdom name and its phylum name. | c. | its genus name and its species name. | d. | its phylum name and its species name. | | |
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15.
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Which is the broadest
classification level? a. | family | b. | kingdom | c. | phylum | d. | species | | |
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16.
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The more classification levels
that two organisms share, a. | the closer together on Earth they
live. | b. | the easier it is to tell them apart. | c. | the more characteristics they have in common. | d. | the more distantly related they are. | | |
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17.
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Which classification level is
broader than the phylum level? a. | order | b. | class | c. | family | d. | kingdom | | |
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18.
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Which factor is considered
today when classifying an organism, but was not considered when Linnaeus classified
organisms? a. | structural features | b. | way of obtaining food | c. | a species'
history | d. | way of reproducing | | |
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19.
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Organisms that share an
evolutionary history share a. | a common
ancestor. | b. | a living place. | c. | a taxonomic key | d. | a way of moving. | | |
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20.
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Which kingdom includes only
multicellular heterotrophs? a. | protists | b. | archaebacteria | c. | plant | d. | animal | | |
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21.
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Which kingdom includes only
prokaryotes? a. | archaebacteria | b. | protists | c. | plants | d. | fungi | | |
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22.
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Which of the following
characteristics do all plants share? a. | being
unicellular | b. | producing flowers | c. | being a prokaryote | d. | being an
autotroph | | |
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23.
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Which of the following kingdoms
includes both unicellular and multicellular organisms? a. | eubacteria | b. | protists | c. | plants | d. | archaebacteria | | |
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24.
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Which shape describes some
bacterial cells? a. | threadlike | b. | bulletlike | c. | rodlike | d. | bricklike | | |
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25.
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Which of the following is found
in the cytoplasm of bacterial cells? a. | cell membrane | b. | nucleus | c. | genetic material | d. | flagella | | |
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26.
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What is a characteristic of
archaebacteria? a. | Most are disease-causing. | b. | They live just about everywhere. | c. | They use sun to produce food and energy. | d. | They thrive in extreme environments. | | |
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27.
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What process results in
genetically different bacteria? a. | binary fission | b. | respiration | c. | conjugation | d. | asexual reproduction | | |
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28.
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The process of breaking down
food to release its energy is called a. | conjugation. | b. | respiration. | c. | binary fission. | d. | nutrition. | | |
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29.
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Endospores form
during a. | binary fission. | b. | sunlight hours. | c. | respiration. | d. | harsh environmental conditions. | | |
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30.
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What important role do bacteria
called decomposers play? a. | They return basic chemicals to the
environment. | b. | They slow down food spoilage. | c. | They kill harmful bacteria. | d. | They produce
vitamins. | | |
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31.
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Which of the following is NOT a
role of bacteria that live in human bodies? a. | digesting food | b. | preventing disease-causing bacteria from entering body
systems | c. | making vitamins | d. | preventing diabetes | | |
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32.
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Viruses are considered to be
nonliving because they a. | cannot multiply. | b. | are not cells. | c. | produce wastes. | d. | use energy to grow. | | |
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33.
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Why are viruses like
parasites? a. | They destroy the cells they enter. | b. | They multiply. | c. | They use energy to
develop. | d. | They make their own food. | | |
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34.
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A virus needs energy
to a. | make food. | b. | grow and
develop. | c. | make cells. | d. | multiply. |
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