Question 1

Which of the following statements does NOT describe a characteristic of living organisms?

Accepted Answer

A)  All living organisms require energy. 
B)  All living organisms consume other living things to obtain their energy. 
C)  All living organisms can sense their environment and respond to it. 
D)  All living organisms reproduce. 
A)  All living organisms require energy. 
B)  All living organisms consume other living things to obtain their energy. 
C)  All living organisms can sense their environment and respond to it. 
D)  All living organisms reproduce.

Question 2

Which of the following characteristics is NOT shared by all living organisms?

Accepted Answer

A)  They make their own energy. 
B)  They grow and develop. 
C)  They evolve over time. 
D)  They are composed of one or more cells. 
A)  They make their own energy. 
B)  They grow and develop. 
C)  They evolve over time. 
D)  They are composed of one or more cells.

Question 3

After it has been supported by a predictable experimental outcome,a scientific hypothesis

Accepted Answer

A)  is never reexamined. 
B)  still cannot be considered to have been proven true. 
C)  can be used to predict the outcome of all future similar events. 
D)  is elevated to the status of theory. 
A)  is never reexamined. 
B)  still cannot be considered to have been proven true. 
C)  can be used to predict the outcome of all future similar events. 
D)  is elevated to the status of theory.

Question 4

An organ is defined as a body structure composed of two or more

Accepted Answer

A)  molecules. 
B)  cells. 
C)  tissues. 
D)  organ systems. 
A)  molecules. 
B)  cells. 
C)  tissues. 
D)  organ systems.

Question 5

Which of the following statements is NOT a reason why humans are the most difficult organism to study?

Accepted Answer

A)  For ethical reasons,an ideal experimental design may not be allowed to be performed with human subjects. 
B)  Some types of double-blind experiments cannot be performed with human subjects. 
C)  Long-term (longitudinal)studies may involve inaccurate reporting by the participants. 
D)  Longitudinal studies of human subjects can be very expensive. 
A)  For ethical reasons,an ideal experimental design may not be allowed to be performed with human subjects. 
B)  Some types of double-blind experiments cannot be performed with human subjects. 
C)  Long-term (longitudinal)studies may involve inaccurate reporting by the participants. 
D)  Longitudinal studies of human subjects can be very expensive.

Question 6

DNA is one of the features common to all known forms of life.Which of the following statements about DNA is true?

Accepted Answer

A)  It forms the protective outer membrane of cells. 
B)  It is expressly produced for reproduction and is found only in eggs and sperm. 
C)  It is the blueprint that guides the growth,development,behavior,and reproduction of all organisms. 
D)  Its absence in viruses is the basis for classifying them as nonliving. 
A)  It forms the protective outer membrane of cells. 
B)  It is expressly produced for reproduction and is found only in eggs and sperm. 
C)  It is the blueprint that guides the growth,development,behavior,and reproduction of all organisms. 
D)  Its absence in viruses is the basis for classifying them as nonliving.

Question 7

Using a process called photosynthesis,plants make energy-rich substances by using the energy contained in ________.

Accepted Answer

The answer of Using a process called photosynthesis,plants make energy-rich...

Question 8

All living organisms share a unity in their characteristics because they

Accepted Answer

A)  are all multicellular. 
B)  are all producers. 
C)  have been stable and unchanging throughout time. 
D)  descended from a common ancestor. 
A)  are all multicellular. 
B)  are all producers. 
C)  have been stable and unchanging throughout time. 
D)  descended from a common ancestor.

Question 9

New medications undergo extensive human testing before receiving FDA approval.These tests represent an experiment,and the variations in the dosage given to test participants represents the ________.

Accepted Answer

independen

Question 10

Although the idea seems contradictory,science cannot prove a hypothesis to be true.Why?

Accepted Answer

A)  All true hypotheses will be rejected by the scientific method because they can be proven false. 
B)  Future experiments or discoveries may provide data that refute the hypothesis. 
C)  Science is a human endeavor,and like all human endeavors,it is limited by human understanding. 
D)  The scientific method is limited to examination of the natural world. 
A)  All true hypotheses will be rejected by the scientific method because they can be proven false. 
B)  Future experiments or discoveries may provide data that refute the hypothesis. 
C)  Science is a human endeavor,and like all human endeavors,it is limited by human understanding. 
D)  The scientific method is limited to examination of the natural world.

Question 11

Some clinical trials of high doses of nutrients that were thought to be cancer fighters have been shut down prematurely because they drove up cancer rates.

Accepted Answer

A) True 
 B)False

Question 12

More than one adaptive trait in the pronghorn has been influenced by the presence of predators;in addition to its great speed,the pronghorn also has

Accepted Answer

A)  a four-chambered stomach. 
B)  strong teeth. 
C)  camouflage coloration. 
D)  hollow hair. 
A)  a four-chambered stomach. 
B)  strong teeth. 
C)  camouflage coloration. 
D)  hollow hair.

Question 13

A scientific hypothesis must be testable;if it isn't,science cannot evaluate it.

Accepted Answer

A) True 
 B)False

Question 14

Some questions fall outside the realm of science.Which of the following questions could NOT be answered using the scientific method?

Accepted Answer

A)  What is the function of the appendix in the human body? 
B)  Why is it unethical to test newly developed drugs in animals? 
C)  Why do smokers develop lung cancer more frequently than nonsmokers? 
D)  Why is it so difficult to quit smoking? 
A)  What is the function of the appendix in the human body? 
B)  Why is it unethical to test newly developed drugs in animals? 
C)  Why do smokers develop lung cancer more frequently than nonsmokers? 
D)  Why is it so difficult to quit smoking?

Question 15

A group of interbreeding organisms whose offspring are themselves fertile is defined as a

Accepted Answer

A)  web. 
B)  biome. 
C)  unit. 
D)  species. 
A)  web. 
B)  biome. 
C)  unit. 
D)  species.

Question 16

Living cells are separated from the outside environment by a flexible

Accepted Answer

A)  nucleus. 
B)  plasma membrane. 
C)  cell wall. 
D)  DNA circle. 
A)  nucleus. 
B)  plasma membrane. 
C)  cell wall. 
D)  DNA circle.

Question 17

Developing a scientific understanding of a natural phenomenon typically begins by

Accepted Answer

A)  making a prediction. 
B)  testing a hypothesis. 
C)  proving an answer. 
D)  making an observation. 
A)  making a prediction. 
B)  testing a hypothesis. 
C)  proving an answer. 
D)  making an observation.

Question 18

A good hypothesis is easy to prove.

Accepted Answer

A) True 
 B)False

Question 19

DNA is an example of the molecular level of biological organization.

Accepted Answer

A) True 
 B)False

Question 20

A molecule is constructed when two or more atoms become bonded to each other.

Accepted Answer

A) True 
 B)False

Exam 1: The Nature of Science and the Characteristics of Life

Which of the following statements does NOT describe a characteristic of living organisms?

Which of the following characteristics is NOT shared by all living organisms?

After it has been supported by a predictable experimental outcome,a scientific hypothesis

An organ is defined as a body structure composed of two or more

Which of the following statements is NOT a reason why humans are the most difficult organism to study?

DNA is one of the features common to all known forms of life.Which of the following statements about DNA is true?

Using a process called photosynthesis,plants make energy-rich substances by using the energy contained in ________.

All living organisms share a unity in their characteristics because they

New medications undergo extensive human testing before receiving FDA approval.These tests represent an experiment,and the variations in the dosage given to test participants represents the ________.

Although the idea seems contradictory,science cannot prove a hypothesis to be true.Why?

Some clinical trials of high doses of nutrients that were thought to be cancer fighters have been shut down prematurely because they drove up cancer rates.

More than one adaptive trait in the pronghorn has been influenced by the presence of predators;in addition to its great speed,the pronghorn also has

A scientific hypothesis must be testable;if it isn't,science cannot evaluate it.

Some questions fall outside the realm of science.Which of the following questions could NOT be answered using the scientific method?

A group of interbreeding organisms whose offspring are themselves fertile is defined as a

Living cells are separated from the outside environment by a flexible

Developing a scientific understanding of a natural phenomenon typically begins by

A good hypothesis is easy to prove.

DNA is an example of the molecular level of biological organization.

A molecule is constructed when two or more atoms become bonded to each other.

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

Cancer and Human Health

Patterns of Inheritance

Chromosomes and Human Genetics

DNA and Genes

From Gene to Protein

DNA Technology

How Evolution Works

The Origin of Species

The Evolution of Biodiversity

Biological Diversity, Bacteria, and Archaea

Protista, Plantae, and Fungi

Animalia

The Biosphere

Growth of Populations

Animal Behavior

Ecological Communities

Ecosystems

Global Change

Internal Organization and Homeostasis

Nutrition and Digestion

Circulation and Gas Exchange

Animal Hormones

Nervous and Sensory Systems

Skeletons,Muscles,and Movement

The Immune System

Reproduction and Development

Plant Structure, Nutrition, and Transport

Plant Growth and Reproduction

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