Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
|
Liquid’s
Measurement Data | Liquid | Mass of cup
(g) | Mass of
liquid and cup (g) | Mass of
liquid only (g) | Volume of
liquid (mL) | Density
(g/mL) | Tap
water | 7 | 106 | 99 | 100 | 0.99 | Salt
water | 6 | 110 | 104 | 100 | 1.04 | Oil
| 6 | 98 | 92 | 100 | 0.92 | | | | | | |
|
|
|
1.
|
Other
than the cup mentioned in the data table, what laboratory equipment would you need to use to perform
this experiment? a. | graduated
cylinder, balance | c. | beaker,
balance | b. | beaker, spring scale | d. | graduated cylinder, spring scale | | | | |
|
|
|
2.
|
If a
train could travel on water, it would take an average train about two weeks to travel around Earth.
Which of the following is true about this statement? a. | It is a
hypothesis, not a prediction. | c. | It is both a
prediction and a hypothesis. | b. | It is a prediction, not a
hypothesis. | d. | It is neither a
prediction nor a hypothesis. | | | | |
|
|
|
|
|
|
3.
|
What is the
cell part labeled A? a. | mitochondrion | c. | chloroplast | b. | Golgi apparatus | d. | vacuole | | | | |
|
|
|
4.
|
Which of the
following pairs of terms are NOT related? a. | nucleus–RNA | c. | chloroplasts–chlorophyll | b. | flagella–cilia | d. | nucleus–cell wall | | | | |
|
|
|
5.
|
Which of the
following pairs of terms are NOT closely related? a. | RNA-DNA | c. | carbon-codons | b. | proteins-amino
acids | d. | genes-chromosomes | | | | |
|
|
|
Huntington’s disease is a lethal genetic disorder caused by a dominant gene. The
nervous system of a person with Huntington’s disease undergoes progressive degeneration, which
results in uncontrolled, jerky movements of the head and limbs and eventual mental deterioration. The
onset of this disease usually occurs between the ages of 30 and 50. Each child of a parent affected
with Huntington’s disease has a 50 percent chance of being affected and a 50 percent chance of
passing the defective gene on to his or her own child. Currently, no effective treatment exists for
this disease.
The diagram below is a
typical pedigree for Huntington’s disease. A pedigree is a graphic representation that shows
patterns of inheritance. The circles represent females; the squares represent males. Shaded shapes
indicate affected individuals. Mating occurred between individuals connected by short, horizontal
lines.
|
|
|
6.
|
Based on the
statement and the art above, how many individuals in the second generation are carriers of the gene
that causes this disease?
|
|
|
7.
|
Which
of the following animals has an exoskeleton? a. | Crab | c. | Frog | b. | Elephant | d. | Fish | | | | |
|
|
|
8.
|
What
is the mass of the object being measured in the figure?
a. | 47.52
g | c. | 407.52
g | b. | 147.52
g | d. | 527.40
g | | | | |
|
|
|
9.
|
An
apple has a mass of 167 g. A store worker found the mass of the apple to be 167 g, and 166 g on
different balances. Which of the following statements is true? a. | The measurements
were accurate but not precise. | b. | The measurements were precise but not
accurate. | c. | The measurements were both precise and
accurate. | d. | The measurements were neither accurate nor
precise. | | |
|
|
|
10.
|
Which type
of graph is shown here?
a. | line
graph | c. | bar
graph | b. | circle graph | d. | pie graph | | | | |
|
|
|
11.
|
When a
scientist compares two objects or events, what is he or she looking for? a. | differences | c. | similarities | b. | causes and effects | d. | errors | | | | |
|
|
|
12.
|
What is
listed in the first column of a data table? a. | the title | c. | collected data | b. | characteristics to be
compared | d. | items to be
compared | | | | |
|
|
|
|
|
|
13.
|
Based on the
fan diagram, which type of organism evolved first? a. | Protists | c. | Mammals | b. | Ferns | d. | Mollusks | | | | |
|
|
|
14.
|
Suppose you
are alone in your house. Suddenly, you hear a creak in the attic. Your heart begins to pound and your
breathing becomes rapid. Which of the following body systems controls these
reactions? a. | The somatic
system | c. | The sympathetic
system | b. | The circulatory system | d. | The respiratory system | | | | |
|
|
|
15.
|
Industrialization in England in the early 1900s produced black soot that covered many
tree trunks and branches. At about the same time, the number of light-colored moths in this part of
the country decreased over time. Why? a. | The soot killed only light-colored moths. | b. | The light-colored moths
became extinct. | c. | The light-colored moths showed up against the dark tree bark and could
be easily seen by the birds that fed on them. | d. | The light-colored moths
became isolated from other moths and reproductive speciation occurred. | | |
|
|
|
|
|
|
16.
|
According to
the diagram, what kind of evolutionary pattern is shown by elephants? a. | Gradualism | c. | Punctuated
equilibrium | b. | Convergent evolution | d. | Geographic isolation | | | | |
|
|
|
17.
|
Which of
the following best describes the pattern of evolution known as punctuated
equilibrium? a. | Intermediate forms of
every species exist or once existed on Earth. | b. | Rapid evolution of
species comes about by the mutations of a few genes. | c. | Variations exist only
in a very few members of a species. | d. | Different organisms become adapted to their environments in similar
ways. | | |
|
|
|
Fungi are
consumers that obtain their food from plant roots. Thus, they live in close association with certain
plants. As they grow, fungi form large, underground, threadlike nets. These nets allow the plants to
extend their root systems. The larger root systems, in turn, help the plants obtain more nutrients
from the soil.
|
|
|
18.
|
Predict what
would happen to the plants if the fungi died off. a. | The plants would thrive. | c. | The plants would grow more slowly. | b. | The plants would not be
affected. | d. | The plants would become
extinct. | | | | |
|
|
|
|
|
|
19.
|
According to
the graph, what happens to the predator population when the prey population
decreases? a. | It
increases. | c. | It stays the
same. | b. | It decreases. | d. | It doubles. | | | | |
|
|
|
|
|
|
20.
|
What is the
function of the plant part labeled A? a. | To conserve gases | c. | To support the plant | b. | To trap sunlight for
photosynthesis | d. | To obtain
water | | | | |
|
|
|
21.
|
Which of the
following is NOT a characteristic shared by green algae and plants? a. | Cell walls with
cellulose | c. | Chlorophyll | b. | Root systems | d. | Stored food | | | | |
|
|
|
22.
|
How is
energy replenished in ecosystems? a. | By the Sun | c. | By recycling | b. | By body
functions | d. | By food
chains | | | | |
|
|
|
23.
|
Which of the
following terms are NOT related? a. | Water cycle—precipitation | c. | Nitrogen cycle—nitrogen fixation | b. | Phosphorus
cycle—evaporation | d. | Carbon
cycle—photosynthesis | | | | |
|
|
|
24.
|
You
are working with your lab partner, and your lab partner burns his hand. How do you apply first
aid? a. | Apply direct
pressure | b. | Apply cold water and inform the
instructor | c. | Use the safety shower | d. | Apply cold
compresses | | |
|
|
|
25.
|
Which
is the correct way to hold a test tube while heating its contents? a. | Pointing
straight up | c. | Pointing away
from yourself and others | b. | Pointing horizontally | d. | Pointing straight at yourself | | | | |
|