Question 1

Taxonomy is the ________.

Accepted Answer

A)  study of cells
B)  naming and classifying of species
C)  study of organisms and their interaction with the environment
D)  study of genesE) All of the above
F) A) and B)

Question 2

A newly discovered multicellular organism obtains food by digesting dead organisms.Such an organism is most likely a member of the kingdom ________.

Accepted Answer

A)  Plantae
B)  Fungi
C)  Protista
D)  AnimaliaE) All of the above
F) A) and B)

Question 3

Which of the following structures can perform all the activities required for life?

Accepted Answer

A)  DNA molecules
B)  cells
C)  organelles
D)  nucleiE) B) and D)
F) A) and C)

Question 4

Discovery science is primarily based on ________.

Accepted Answer

A)  hypothesis testing
B)  deduction
C)  experimentation
D)  observationE) A) and B)
F) C) and D)

Question 5

In what way(s) is the science of biology influencing and changing our culture?

Accepted Answer

A)  by helping us understand the relevance of evolution to human health
B)  by revealing how mutations in genes can lead to disease
C)  by providing new tools for forensic investigations
D)  all of the aboveE) All of the above
F) A) and B)

Question 6

Which kingdom of Eukarya consists primarily of unicellular organisms?

Accepted Answer

A)  Plantae
B)  Bacteria
C)  Fungi
D)  ProtistaE) A) and D)
F) B) and C)

Question 7

Using the branching tree of life for bears depicted in the accompanying figure,choose from among the following bear species the one that is most distantly related to the sun bear.

Accepted Answer

A)  brown bear
B)  sloth bear
C)  spectacled bear
D)  giant pandaE) A) and B)
F) None of the above D

Question 8

Members of the kingdom Plantae differ from members of the other kingdoms of Eukarya in that most members of the kingdom Plantae ________.

Accepted Answer

A)  are decomposers
B)  are unicellular
C)  are consumers
D)  produce their own foodE) A) and C)
F) C) and D)

Question 9

Which of the following is the hypothesis of this case study?

Accepted Answer

A)  Male collared lizards exhibit color variation.
B)  Dull-colored males are less likely to be eaten by predators.
C)  A function of male coloration is to attract females.
D)  Males prefer brightly colored females.E) A) and B)
F) C) and D) C

Question 10

What are eukaryotic genes composed of?

Accepted Answer

A)  RNA
B)  organelles
C)  RNA and DNA
D)  DNAE) A) and C)
F) A) and D)

Question 11

The DNA of a eukaryotic cell is found within the ________.

Accepted Answer

A)  archaea
B)  nucleus
C)  prokaryotic cell
D)  insulinE) C) and D)
F) B) and D) B

Question 12

Which of the following conclusions can be drawn from the data?

Accepted Answer

A)  Dull-colored females are more likely to choose dull-colored males.
B)  Dull-colored males are likely to choose dull-colored females.
C)  Brightly colored males are stronger and more fertile than dull-colored males
D)  Females do not always choose brightly colored males.E) All of the above
F) C) and D)

Question 13

Which of these would be a valid scientific hypothesis?

Accepted Answer

A)  Human history is determined by a series of supernatural events.
B)  Humans should help in the conservation of other animal species.
C)  Humans are controlled by forces beyond our understanding.
D)  Humans and bacteria share a common genetic code.E) A) and B)
F) C) and D)

Question 14

Information flow in biological systems is necessary for negative or regulative feedback to operate.Which of these examples does NOT involve flow of information providing feedback?

Accepted Answer

A)  Heat receptors send signals to promote sweating.
B)  Low blood sugar causes the liver to convert starch to sugar to be released in the blood.
C)  Drought kills many trees.
D)  Bacterial genes for breaking down lactose are activated in the presence of lactose.E) A) and B)
F) A) and C)

Question 15

What does "adaptation" mean in an evolutionary context?

Accepted Answer

A)  the way an individual's body adjusts to its environment
B)  the accumulation of favorable variations in a population over time
C)  the ability of organisms to alter their appearance under changing environmental conditions
D)  all of the aboveE) None of the above
F) All of the above

Question 16

How does taxonomy assist biologists?

Accepted Answer

A)  by providing easily remembered scientific names for organisms
B)  by categorizing diverse items into smaller and smaller numbers of groups
C)  by reducing life to its smallest common denominator,the cell
D)  all of the aboveE) A) and C)
F) A) and B)

Question 17

Humans are composed of ________ cells.

Accepted Answer

A)  bacterial
B)  eukaryotic
C)  plant
D)  prokaryoticE) A) and B)
F) A) and C)

Question 18

What is the difference between discovery science and hypothesis-driven science?

Accepted Answer

A)  Discovery science "discovers" new knowledge,whereas hypothesis-driven science does not.
B)  Discovery science is based on deductive reasoning,whereas hypothesis-driven science is based on inductive reasoning.
C)  Discovery science is mostly about describing nature,whereas hypothesis-driven science tries to explain nature.
D)  Discovery science involves predictions about outcomes,whereas hypothesis-driven science involves tentative answers to specific questions.E) B) and D)
F) A) and B)

Question 19

More than half of all known species are ________.

Accepted Answer

A)  plants
B)  insects
C)  bacteria
D)  vertebratesE) None of the above
F) B) and D)

Question 20

"Male collared lizards show considerable color variation." This is a(n) ________.

Accepted Answer

A)  hypothesis
B)  conclusion
C)  observation
D)  resultE) A) and B)
F) B) and D)

Exam 1: Introduction: Biology Today

Taxonomy is the ________.

Correct AnswerverifiedShow Answer

A newly discovered multicellular organism obtains food by digesting dead organisms.Such an organism is most likely a member of the kingdom ________.

Correct AnswerverifiedShow Answer

Which of the following structures can perform all the activities required for life?

Correct AnswerverifiedShow Answer

Discovery science is primarily based on ________.

Correct AnswerverifiedShow Answer

In what way(s) is the science of biology influencing and changing our culture?

Correct AnswerverifiedShow Answer

Which kingdom of Eukarya consists primarily of unicellular organisms?

Correct AnswerverifiedShow Answer

Using the branching tree of life for bears depicted in the accompanying figure,choose from among the following bear species the one that is most distantly related to the sun bear.

Correct AnswerverifiedD

Members of the kingdom Plantae differ from members of the other kingdoms of Eukarya in that most members of the kingdom Plantae ________.

Correct AnswerverifiedShow Answer

Which of the following is the hypothesis of this case study?

Correct AnswerverifiedC

What are eukaryotic genes composed of?

Correct AnswerverifiedShow Answer

The DNA of a eukaryotic cell is found within the ________.

Correct AnswerverifiedB

Which of the following conclusions can be drawn from the data?

Correct AnswerverifiedShow Answer

Which of these would be a valid scientific hypothesis?

Correct AnswerverifiedShow Answer

Information flow in biological systems is necessary for negative or regulative feedback to operate.Which of these examples does NOT involve flow of information providing feedback?

Correct AnswerverifiedShow Answer

What does "adaptation" mean in an evolutionary context?

Correct AnswerverifiedShow Answer

How does taxonomy assist biologists?

Correct AnswerverifiedShow Answer

Humans are composed of ________ cells.

Correct AnswerverifiedShow Answer

What is the difference between discovery science and hypothesis-driven science?

Correct AnswerverifiedShow Answer

More than half of all known species are ________.

Correct AnswerverifiedShow Answer

"Male collared lizards show considerable color variation." This is a(n) ________.

Correct AnswerverifiedShow Answer

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D

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C

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B

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