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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Cell
specialization in multicellular organisms allows cells to a. | reproduce. | b. | perform different functions. | c. | respond to their
environment. | d. | be less complex. | | |
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2.
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When
enough experimental data support a hypothesis, the hypothesis becomes a(an) a. | fact. | b. | theory. | c. | inference. | d. | conclusion. | | |
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3.
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You
state that the presence of water could accelerate the growth of bread mold. This is
a(an) a. | conclusion. | b. | hypothesis. | c. | experiment. | d. | analysis. | | |
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4.
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To
observe a small, living organism, a scientist might use a(an) a. | electronic
balance. | b. | TEM. | c. | compound light microscope. | d. | electron
microscope. | | |
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5.
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What
is the term for the land, water, and air on Earth? a. | population | b. | ecosystem | c. | biosphere | d. | environment | | |
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6.
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Biology is the study of a. | the land, water, and air on Earth. | b. | the living
world. | c. | animals and plants only. | d. | the
environment. | | |
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7.
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Which
of the following is NOT a part of how scientists work? a. | experimenting | b. | observing | c. | generalizing | d. | hypothesizing | | |
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8.
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Which
level of organization includes all of the other levels? a. | organism | b. | ecosystem | c. | population | d. | community | | |
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9.
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Which
of the following is NOT a goal of science? a. | to investigate and understand nature | b. | to explain
events in nature | c. | to use data to support a particular point of
view | d. | to use derived
explanations to make useful predictions | | |
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10.
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The
use of a compound light microscope a. | is necessary to study biology at the chemical
level. | b. | is required for most experiments. | c. | can magnify
objects up to 1000 times. | d. | is an essential tool for producing three-dimensional
images. | | |
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11.
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Safety procedures are important when working a. | in a
laboratory. | b. | in the field. | c. | with
animals. | d. | all of the above | | |
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12.
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In
science, a hypothesis is useful only if a. | it is proven correct. | b. | it can be proven
incorrect. | c. | it can be tested. | d. | the explanation
is already known. | | |
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13.
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On
the Celsius temperature scale, how many degrees are between the freezing and boiling points of
water?
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14.
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Hypotheses may arise from a. | prior knowledge. | b. | logical
inferences. | c. | imaginative guesses. | d. | all of the
above | | |
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15.
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The
process by which organisms keep their internal conditions relatively stable is
called a. | homeostasis. | b. | evolution. | c. | metabolism. | d. | photosynthesis. | | |
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16.
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Which
of the following is a valid hypothesis for why a plant appears to be dying? a. | The plant is not
being watered enough. | b. | The plant is being watered too much. | c. | The plant is
receiving too much sunlight. | d. | all of the above | | |
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17.
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Which
of the following is NOT a characteristic of all living things? a. | growth and
development | b. | ability to move | c. | response to the
environment | d. | ability to reproduce | | |
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18.
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An
instrument used to separate cell parts according to density is the a. | compound light
microscope. | b. | electron microscope. | c. | blender. | d. | centrifuge. | | |
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19.
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What
is the term given to a group of cells that develops from a single original cell? a. | community | b. | cell culture | c. | nutrient
solution | d. | cell fractionation | | |
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20.
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Which
of the following is the best reason for using a scanning electron microscope? a. | ability to
magnify objects that are larger than 0.2 micrometers | b. | ability to
observe live organisms | c. | ability to see three-dimensional images of the surfaces of
objects | d. | ability to see movement within living
cells | | |
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Completion
Complete each sentence or
statement.
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21.
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The
name given to the idea that life could arise from nonliving matter is called
_________________________.
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22.
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Whenever you are working in your biology laboratory, it’s important for you to
follow ____________________.
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23.
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To
obtain identical copies of a single cell, scientists make a ____________________.
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24.
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Biologists who study cacti and African violets would be called
____________________.
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25.
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The
information you gather during an experiment is called your ____________________.
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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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26.
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Field
studies are used to study animals in the laboratory. _________________________
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27.
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Scientists are persuaded by logical arguments that are supported by evidence.
_________________________
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28.
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Paleontologists study dinosaurs and other ancient life.
_________________________
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29.
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An
important goal of a scientist is to use evidence to learn about the natural world.
_________________________
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30.
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Microscopes produce images by focusing light rays and beams of cells.
_________________________
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31.
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The
metric system is based on multiples of 100. _________________________
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32.
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The
vast majority of multicellular organisms reproduce asexually.
_________________________
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33.
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In
cell fractionation, the first step is to place the cells into a centrifuge.
_________________________
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34.
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Living things can be studied at different levels of organization, from the molecular
level to the largest level, the ecosystem. _________________________
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35.
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Sometimes more than one theory is needed to explain a particular circumstance.
_________________________
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