Question 1

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

Accepted Answer

A) archaea 
B) nucleus 
C) prokaryotic cell 
D) insulin 
A) archaea 
B) nucleus 
C) prokaryotic cell 
D) insulin B

Question 2

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. 
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. C

Question 3

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 panda 
A) brown bear 
B) sloth bear 
C) spectacled bear 
D) giant panda D

Question 4

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) Animalia 
A) Plantae 
B) Fungi 
C) Protista 
D) Animalia

Question 5

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. 
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.

Question 6

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

Accepted Answer

A) hypothesis 
B) conclusion 
C) observation 
D) result 
A) hypothesis 
B) conclusion 
C) observation 
D) result

Question 7

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 above 
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 above

Question 8

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 genes 
A) study of cells 
B) naming and classifying of species 
C) study of organisms and their interaction with the environment 
D) study of genes

Question 9

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. 
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.

Question 10

Which kingdom of Eukarya consists primarily of unicellular organisms?

Accepted Answer

A) Plantae 
B) Bacteria 
C) Fungi 
D) Protista 
A) Plantae 
B) Bacteria 
C) Fungi 
D) Protista

Question 11

Humans are composed of ________ cells.

Accepted Answer

A) bacterial 
B) eukaryotic 
C) plant 
D) prokaryotic 
A) bacterial 
B) eukaryotic 
C) plant 
D) prokaryotic

Question 12

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 above 
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 above

Question 13

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. 
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.

Question 14

Discovery science is primarily based on ________.

Accepted Answer

A) hypothesis testing 
B) deduction 
C) experimentation 
D) observation 
A) hypothesis testing 
B) deduction 
C) experimentation 
D) observation

Question 15

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. 
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.

Question 16

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 food 
A) are decomposers 
B) are unicellular 
C) are consumers 
D) produce their own food

Question 17

What are eukaryotic genes composed of?

Accepted Answer

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

Question 18

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

Accepted Answer

A) DNA molecules 
B) cells 
C) organelles 
D) nuclei 
A) DNA molecules 
B) cells 
C) organelles 
D) nuclei

Question 19

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 above 
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 above

Question 20

More than half of all known species are ________.

Accepted Answer

A) plants 
B) insects 
C) bacteria 
D) vertebrates 
A) plants 
B) insects 
C) bacteria 
D) vertebrates

Exam 1: Introduction: Biology Today

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

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

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.

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

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

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

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

Taxonomy is the ________.

Which of these would be a valid scientific hypothesis?

Which kingdom of Eukarya consists primarily of unicellular organisms?

Humans are composed of ________ cells.

How does taxonomy assist biologists?

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

Discovery science is primarily based on ________.

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?

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

What are eukaryotic genes composed of?

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

What does "adaptation" mean in an evolutionary context?

More than half of all known species are ________.

Essential Chemistry for Biology

The Molecules of Life

A Tour of the Cell

The Working Cell

Cellular Respiration: Obtaining Energy From Food

Photosynthesis: Using Light to Make Food

Cellular Reproduction: Cells From Cells

Patterns of Inheritance

The Structure and Function of Dna

How Genes Are Controlled

DNA Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

The Evolution of Plants and Fungi

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Bodys Defenses

Hormones

Reproduction and Development

Nervous,Sensory,and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

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