Multiple Choice
Identify the letter of the choice that
best completes the statement or answers the question.
A
B
C
D
1.
The
second part of a scientific name is often
a.
a Latinized description of a
trait.
b.
the same as for
other members of the same genus.
c.
capitalized if it derives from a proper
name.
d.
different in
different locales.
A
B
C
D
2.
Scientists have identified and named
a.
all living species.
b.
all living and extinct species.
c.
all extinct species.
d.
a fraction of all species.
A
B
C
D
3.
In
taxonomy, a group at any level of organization is referred to as a
a.
category.
b.
binomial.
c.
taxon.
d.
system.
A
B
C
D
4.
Several different classes compose a
a.
kingdom.
b.
phylum.
c.
family.
d.
genus.
A
B
C
D
5.
The
baboons Papio annubis and Papio cynocephalus do NOT belong to the same
a.
class.
b.
family.
c.
genus.
d.
species.
A
B
C
D
6.
A
genus is composed of a number of related
a.
kingdoms.
b.
phyla.
c.
orders.
d.
species.
A
B
C
D
7.
The
kingdoms Protista, Plantae, Fungi, and Animalia contain only
a.
multicellular organisms.
b.
photosynthetic organisms.
c.
eukaryotes.
d.
prokaryotes.
A
B
C
D
8.
Scientists assign to each organism a universally accepted name in the discipline known
as
a.
traditional
classification.
b.
diversity.
c.
taxonomy.
d.
cladistics.
A
B
C
D
9.
The
most general and largest category in Linnaeus's system is
a.
the phylum.
b.
the kingdom.
c.
the genus.
d.
the species.
A
B
C
D
10.
In
Linnaeus's system of classification, how many taxonomic categories are there?
a.
one
b.
three
c.
five
d.
seven
A
B
C
D
11.
The
two domains composed of only unicellular organisms are
a.
Eubacteria and Archaea.
b.
Eukarya and Bacteria.
c.
Archaea and Bacteria.
d.
Archaea and Eukarya.
A
B
C
D
12.
Some
similarities between distantly related organisms have been produced by
a.
convergent evolution.
b.
molecular clocks.
c.
mutations.
d.
reclassification.
A
B
C
D
13.
What
do all organisms have in common?
a.
They use DNA and RNA to pass on
information.
b.
They are all
prokaryotes.
c.
They are all
eukaryotes.
d.
They are
genetically identical.
A
B
C
D
14.
The
three-domain system acknowledges fundamental differences between two groups of
a.
prokaryotes.
b.
eukaryotes.
c.
protists.
d.
multicellular organisms.
A
B
C
D
15.
What
kind of analysis reveals the order in which derived characters appeared in
organisms?
a.
cladistic
analysis
b.
traditional
classification
c.
taxonomy
d.
anatomy
A
B
C
D
16.
Linnaeus recognized two kingdoms—
a.
bacteria and animals.
b.
plants and fungi.
c.
plants and animals.
d.
protists and animals.
A
B
C
D
17.
Animals that are warm-blooded, have body hair, and produce milk for their young are
grouped in the class
a.
Amphibia.
b.
Mammalia.
c.
Aves.
d.
Reptilia.
A
B
C
D
18.
What
does the presence of homologous genes in very dissimilar organisms imply?
a.
The genes evolved according to different selection
pressures.
b.
The organisms
share a common ancestor.
c.
The organisms do not share a common
ancestor.
d.
The genes became
identical through mutation.
A
B
C
D
19.
The
domain that contains unicellular organisms that live in extreme environments is
a.
Eubacteria.
b.
Eukarya.
c.
Archaea.
d.
Bacteria.
A
B
C
D
20.
Biologists use a classification system to name and group organisms because organisms
are
a.
going extinct.
b.
very diverse.
c.
all exactly alike.
d.
too numerous to count.
A
B
C
D
21.
The
domain that includes the kingdom Eubacteria is
a.
Archaea.
b.
Bacteria.
c.
Eukarya.
d.
Fungi.
A
B
C
D
22.
Similar genes are evidence of
a.
the unrelatedness of species.
b.
mutations.
c.
common ancestry.
d.
different anatomy.
A
B
C
D
23.
The
study of organisms requires the use of
a.
only large, general categories of
organisms.
b.
only small,
specific categories of organisms.
c.
both large and small categories of
organisms.
d.
no categories of
organisms.
A
B
C
D
24.
The
strategy of grouping organisms based on their evolutionary history is called
a.
traditional classification.
b.
binomial nomenclature.
c.
derived characters.
d.
evolutionary classification.
A
B
C
D
25.
Traditional classifications tend to take into account only
a.
extinct organisms.
b.
RNA similarities.
c.
DNA similarities.
d.
general similarities.
