Question 1

A piece of petrified wood was once part of a living organism,but its tissues have been replaced by minerals and it no longer exhibits most properties of life,except for

Accepted Answer

A)   organization.
B)   homeostasis.
C)   growth and reproduction.
D)   response to stimuli.
E)   metabolism.F) None of the above
G) B) and E)

Question 2

Which classification category includes the most species?

Accepted Answer

A)   family
B)   genus
C)   class
D)   phylum
E)   kingdomF) None of the above
G) A) and B)

Question 3

Which of these is an example of inductive reasoning used to form a hypothesis?

Accepted Answer

A)   Every fungus that has ever been studied absorbs its food; therefore, food absorption is characteristic of fungi.
B)   All fungi absorb their food; if mushroom are fungi; then the mushroom absorbs its food.
C)   A mushroom is classified in the kingdom Fungi of the domain Eukarya.
D)   This cell from a mushroom has a nucleus.
E)   Fungi are not capable of photosynthesis.F) None of the above
G) A) and B)

Question 4

A possible explanation for a natural event,based on observations and past knowledge,is a

Accepted Answer

A)   hypothesis.
B)   phenomenon.
C)   control.
D)   variable.
E)   theory.F) A) and D)
G) A) and C)

Question 5

What is the correct format for the binomial name of human beings?

Accepted Answer

A)   Homo Sapiens
B)   homo Sapiens
C)   homo sapiens
D)   Homo sapiens
E)   Sapiens homoF) C) and D)
G) A) and B)

Question 6

Which of the following statement is based on scientific observation and reasoning?

Accepted Answer

A)   Some chemical compounds react differently in different human cultures.
B)   If a tree falls in a forest but this is never witnessed by a human, there are no physical or biological consequences.
C)   Many physical and biological phenomena lack any cause-and-effect; outcomes from one situation may be one way today and another tomorrow.
D)   Objects fall downward anywhere on the earth's surface regardless of the observer.
E)   A scientist records only the data that are easiest to interpret.F) All of the above
G) C) and E)

Question 7

Which of the following might plausibly be said by a scientist?

Accepted Answer

A)   Although no one else gets the same results as I do, since I get the results in my experiments, it is still science.
B)   Since all the accumulated body of data support it, a hypothesis is definitely "true."
C)   Test methods are unimportant since anyone can run another test; it is the results that make the substance of science.
D)   The test's results and conclusion finish the scientist's job; it is enough that a scientist alone now knows the results.
E)   There is always a possibility that a more advanced experiment might falsify any hypothesis.F) A) and E)
G) All of the above

Question 8

Which of the following domains contains organisms that are adapted to life in harsh environments?

Accepted Answer

A)   Domain Archaea
B)   Domain Bacteria
C)   Domain Eukarya
D)   Domain Animalia
E)   Domain PlantaeF) C) and E)
G) B) and D)

Question 9

Which statement regarding the scientific method is false?

Accepted Answer

A)   Hypotheses are tentative explanations of observed phenomena.
B)   A hypothesis may become a theory, which may become a law.
C)   Deductive reasoning is often used in the design of an experiment.
D)   A control group is always exposed to the factor being tested.
E)   Conclusions are formed after an experiment is conducted.F) B) and D)
G) C) and D)

Question 10

If the human population faces potential extinction,cloning of humans is the only technology that will save us.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following biological technology has enabled scientists to extend the life span of individuals who are suffering from HIV / AIDS?

Accepted Answer

A)   Virology
B)   Cell biology
C)   Biology
D)   Physics
E)   TechnologyF) A) and C)
G) A) and B)

Question 12

Which statement regarding the scientific method is false?

Accepted Answer

A)   Inductive reasoning is used to form a hypothesis.
B)   Observations are used to form a hypothesis.
C)   Experiments need to be repeatable.
D)   Original hypotheses are formed after an experiment.
E)   The control and experimental group are identical except for one variable.F) A) and E)
G) C) and D)

Question 13

Which of the following is one of the domains of life?

Accepted Answer

A)   Animalia
B)   Eukarya
C)   Molds
D)   Protista
E)   FungiF) B) and C)
G) A) and E)

Question 14

A physician specializes in surgery involving the following group of organs: mouth,esophagus,stomach and intestines.Overall,this physician is specialized at which level of organization?

Accepted Answer

A)   cell
B)   tissue
C)   organ
D)   organ system
E)   organismF) A) and E)
G) C) and D)

Question 15

Which sequence of classification categories is in the proper order from least to most inclusive?

Accepted Answer

A)   genus, class, kingdom, domain, order, phylum, species, family
B)   domain, class, genus, family, species, order, phylum, kingdom
C)   species, genus, family, order, class, phylum, kingdom, domain
D)   genus, species, order, class, family, kingdom, domain, phylum
E)   species, genus, family, class, order, phylum, kingdom, domainF) C) and E)
G) A) and C)

Question 16

All the banded sunfish (Enneacanthus obesus) in a pond would comprise a(n)

Accepted Answer

A)   population.
B)   ecosystem.
C)   community.
D)   biosphere.
E)   species.F) C) and E)
G) A) and C)

Question 17

All the organisms of various species living within a given area constitute a(n)

Accepted Answer

A)   biosphere.
B)   ecosystem.
C)   population.
D)   domain.
E)   community.F) C) and D)
G) A) and B)

Question 18

The term "biodiversity" refers to

Accepted Answer

A)   a study of ecosystems without consideration of the living organisms.
B)   the similarities between species.
C)   the rate of extinction of species due to human activities.
D)   the total number of species, variation of species and the ecosystems in which they live.
E)   the study of food chains within an ecosystem.F) B) and E)
G) A) and C)

Question 19

Which answer choice lists the steps of the scientific method in the correct order?

Accepted Answer

A)   hypothesis, observation, experiment, conclusion, scientific theory
B)   conclusion, hypothesis, observation, experiment, scientific theory
C)   observation, hypothesis, experiment, conclusion, scientific theory
D)   observation, experiment, hypothesis, conclusion, scientific theory
E)   scientific theory, conclusion, hypothesis, experiment, observationF) A) and B)
G) B) and D)

Question 20

As the human population size increases,

Accepted Answer

A)   ecosystems remain unaffected.
B)   fewer fossil fuels are burned and carbon dioxide levels remain constant.
C)   it becomes evident that preserving the biosphere has no benefit to humans.
D)   fewer ecosystems are destroyed, resulting in an abundance of biodiversity.
E)   biodiversity is adversely affected as humans have destructive effects on ecosystems.F) None of the above
G) All of the above

Exam 1: The Study of Life

Which answer choice lists the steps of the scientific method in the correct order?

Correct AnswerverifiedShow Answer

Which statement regarding the scientific method is false?

Correct AnswerverifiedShow Answer

A possible explanation for a natural event,based on observations and past knowledge,is a

Correct AnswerverifiedShow Answer

Which of the following biological technology has enabled scientists to extend the life span of individuals who are suffering from HIV / AIDS?

Correct AnswerverifiedShow Answer

As the human population size increases,

Correct AnswerverifiedShow Answer

Which sequence of classification categories is in the proper order from least to most inclusive?

Correct AnswerverifiedShow Answer

All the banded sunfish (Enneacanthus obesus) in a pond would comprise a(n)

Correct AnswerverifiedShow Answer

Which classification category includes the most species?

Correct AnswerverifiedShow Answer

A physician specializes in surgery involving the following group of organs: mouth,esophagus,stomach and intestines.Overall,this physician is specialized at which level of organization?

Correct AnswerverifiedShow Answer

Which statement regarding the scientific method is false?

Correct AnswerverifiedShow Answer

What is the correct format for the binomial name of human beings?

Correct AnswerverifiedShow Answer

The term "biodiversity" refers to

Correct AnswerverifiedShow Answer

Which of these is an example of inductive reasoning used to form a hypothesis?

Correct AnswerverifiedShow Answer

Which of the following is one of the domains of life?

Correct AnswerverifiedShow Answer

Which of the following domains contains organisms that are adapted to life in harsh environments?

Correct AnswerverifiedShow Answer

Which of the following might plausibly be said by a scientist?

Correct AnswerverifiedShow Answer

Which of the following statement is based on scientific observation and reasoning?

Correct AnswerverifiedShow Answer

A piece of petrified wood was once part of a living organism,but its tissues have been replaced by minerals and it no longer exhibits most properties of life,except for

Correct AnswerverifiedShow Answer

All the organisms of various species living within a given area constitute a(n)

Correct AnswerverifiedShow Answer

If the human population faces potential extinction,cloning of humans is the only technology that will save us.

Correct AnswerverifiedShow Answer

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