Question 1

All of the following are correct statements about sampling error,except one.Select the exception.

Accepted Answer

A)  Repeating an experiment many times has the same effect on sampling error as working on a large sample. 
B)  A large sample would help minimize sampling error. 
C)  Sampling error is increased when a sample size is small. 
D)  A sampling error results from a mistake made by a researcher during experimentation. 
E)  Sampling error is the difference between results derived from testing an entire group of individuals, and results derived from testing of a subset of the group. 
A)  Repeating an experiment many times has the same effect on sampling error as working on a large sample. 
B)  A large sample would help minimize sampling error. 
C)  Sampling error is increased when a sample size is small. 
D)  A sampling error results from a mistake made by a researcher during experimentation. 
E)  Sampling error is the difference between results derived from testing an entire group of individuals, and results derived from testing of a subset of the group.

Question 2

Energy flow is one-way because

Accepted Answer

A)  all of the energy in an ecosystem stays constant 
B)  the amount of energy a producer harvests is equal to the amount of energy consumers consume 
C)  with each energy transfer, some energy escapes as heat 
D)  energy cannot be created but it can be destroyed 
E)  there is only one form of energy 
A)  all of the energy in an ecosystem stays constant 
B)  the amount of energy a producer harvests is equal to the amount of energy consumers consume 
C)  with each energy transfer, some energy escapes as heat 
D)  energy cannot be created but it can be destroyed 
E)  there is only one form of energy

Question 3

MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
-Percentages are about equal.Therefore,Olestra is not the cause of intestinal cramps observed in some people who have ingested Olestra-containing food.

Accepted Answer

A) Observation 
B) Hypothesis 
C) Prediction 
D) Experiment 
E) Control group
F)Experimental group
G)The variable
H)Assess results
I)Conclusion 
A) Observation 
B) Hypothesis 
C) Prediction 
D) Experiment 
E) Control group
F)Experimental group
G)The variable
H)Assess results
I)Conclusion

Question 4

The control in an experiment

Accepted Answer

A)  makes the experiment valid. 
B)  is an additional replicate for statistical purposes. 
C)  reduces the experimental errors. 
D)  minimizes experimental inaccuracy. 
E)  allows a mixed group of comparisons among different organisms for the experimental group. 
A)  makes the experiment valid. 
B)  is an additional replicate for statistical purposes. 
C)  reduces the experimental errors. 
D)  minimizes experimental inaccuracy. 
E)  allows a mixed group of comparisons among different organisms for the experimental group.

Question 5

The DNA molecule is most similar functionally to a

Accepted Answer

A)  pair of scissors. 
B)  flash light battery. 
C)  cookbook. 
D)  ballpoint pen. 
E)  craft kit of ceramic tiles. 
A)  pair of scissors. 
B)  flash light battery. 
C)  cookbook. 
D)  ballpoint pen. 
E)  craft kit of ceramic tiles.

Question 6

Who developed the two-part naming system scientists use today to classify newly found organisms?

Accepted Answer

A)  Charles Darwin 
B)  Carolus Linnaeus 
C)  Aristotle 
D)  Alexander von Humboldt 
E)  Ernst Mayer 
A)  Charles Darwin 
B)  Carolus Linnaeus 
C)  Aristotle 
D)  Alexander von Humboldt 
E)  Ernst Mayer

Question 7

Why did the scientists assume the plants and animals they encountered in the cloud forest on top of New Guinea's Foja Mountains had never been encountered by other humans before?

Accepted Answer

A)  these species were unknown to even the native peoples 
B)  the animals were unafraid of humans 
C)  they found some species that were thought to have been extinct for decades 
D)  none of these answers are correct 
E)  all of these answers are correct except d. 
A)  these species were unknown to even the native peoples 
B)  the animals were unafraid of humans 
C)  they found some species that were thought to have been extinct for decades 
D)  none of these answers are correct 
E)  all of these answers are correct except d.

Question 8

In the peacock butterfly experiment,what was the conclusion?

Accepted Answer

A)  predatory birds are not deterred from eating peacock butterflies with spots 
B)  predatory birds are deterred by peacock butterfly clicking sounds 
C)  peacock butterflies with spots mated more often than those without spots 
D)  predatory birds are deterred by the dark color of the peacock butterfly 
E)  peacock butterflies that made clicking sounds attracted more predatory birds 
A)  predatory birds are not deterred from eating peacock butterflies with spots 
B)  predatory birds are deterred by peacock butterfly clicking sounds 
C)  peacock butterflies with spots mated more often than those without spots 
D)  predatory birds are deterred by the dark color of the peacock butterfly 
E)  peacock butterflies that made clicking sounds attracted more predatory birds

Question 9

MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
-Olestra causes intestinal cramps.

Accepted Answer

A) Observation 
B) Hypothesis 
C) Prediction 
D) Experiment 
E) Control group
F)Experimental group
G)The variable
H)Assess results
I)Conclusion 
A) Observation 
B) Hypothesis 
C) Prediction 
D) Experiment 
E) Control group
F)Experimental group
G)The variable
H)Assess results
I)Conclusion

Question 10

All of the following statements are true about eukaryotes with one exception.Select the exception.

Accepted Answer

A)  eukaryotes have a nucleus. 
B)  eukaryotes are similar to prokaryotes at a molecular level. 
C)  eukaryotes are sometimes unicellular organisms. 
D)  eukaryotes are similar to prokaryotes at a structural level. 
E)  eukaryotes include plants, fungi, and protists. 
A)  eukaryotes have a nucleus. 
B)  eukaryotes are similar to prokaryotes at a molecular level. 
C)  eukaryotes are sometimes unicellular organisms. 
D)  eukaryotes are similar to prokaryotes at a structural level. 
E)  eukaryotes include plants, fungi, and protists.

Question 11

Classification.Answer the following questions in reference to the levels of organization of life.Choose only the most correct answer.
-Atoms held together by chemical bonds.

Accepted Answer

A) population 
B) living cells 
C) molecules 
D) biosphere 
E) ecosystem
F)organs
G)tissues
H)community 
A) population 
B) living cells 
C) molecules 
D) biosphere 
E) ecosystem
F)organs
G)tissues
H)community

Question 12

Which of the following represents an activity within a population?

Accepted Answer

A)  a fox consuming a rabbit 
B)  the absorption of nitrogen by bacteria and converting it to a form useful to plants 
C)  a peacock spreading and shaking his feathers to attract a female 
D)  moss growing on the north side of a large pine tree 
E)  a virus causing rabies in a dog 
A)  a fox consuming a rabbit 
B)  the absorption of nitrogen by bacteria and converting it to a form useful to plants 
C)  a peacock spreading and shaking his feathers to attract a female 
D)  moss growing on the north side of a large pine tree 
E)  a virus causing rabies in a dog

Question 13

All of the following are organisms within the domain eukarya with one exception.Select the exception.

Accepted Answer

A)  bacteria. 
B)  animals. 
C)  protists. 
D)  fungi. 
E)  plants. 
A)  bacteria. 
B)  animals. 
C)  protists. 
D)  fungi. 
E)  plants.

Question 14

In science,all results

Accepted Answer

A)  are accepted as fact. 
B)  are only hypotheses. 
C)  have a probability of being incorrect. 
D)  must be consistent with previous knowledge. 
E)  are uncritically accepted by other scientists. 
A)  are accepted as fact. 
B)  are only hypotheses. 
C)  have a probability of being incorrect. 
D)  must be consistent with previous knowledge. 
E)  are uncritically accepted by other scientists.

Question 15

The current rate of extinctions is about ____ times faster than normal.

Accepted Answer

A)  10 
B)  100 
C)  1000 
D)  100, 000 
E)  1, 000, 000 
A)  10 
B)  100 
C)  1000 
D)  100, 000 
E)  1, 000, 000

Question 16

MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
-People who eat potato chips with Olestra will be more likely to get intestinal cramps than those who eat potato chips made without Olestra.

Accepted Answer

A) Observation 
B) Hypothesis 
C) Prediction 
D) Experiment 
E) Control group
F)Experimental group
G)The variable
H)Assess results
I)Conclusion 
A) Observation 
B) Hypothesis 
C) Prediction 
D) Experiment 
E) Control group
F)Experimental group
G)The variable
H)Assess results
I)Conclusion

Question 17

Error bars on a graph indicate

Accepted Answer

A)  places where the data is likely wrong. 
B)  places where the researcher is unsure of her results. 
C)  variation in results that cannot be accounted for. 
D)  variation in a set of data around the average. 
E)  poor experimental technique on the part of the researcher. 
A)  places where the data is likely wrong. 
B)  places where the researcher is unsure of her results. 
C)  variation in results that cannot be accounted for. 
D)  variation in a set of data around the average. 
E)  poor experimental technique on the part of the researcher.

Question 18

Classification.Answer the following questions in reference to the levels of organization of life.Choose only the most correct answer.
-These are the sites for the production of all life's molecules.

Accepted Answer

A) population 
B) living cells 
C) molecules 
D) biosphere 
E) ecosystem
F)organs
G)tissues
H)community 
A) population 
B) living cells 
C) molecules 
D) biosphere 
E) ecosystem
F)organs
G)tissues
H)community

Question 19

Which level of taxonomy encompasses all of the others?

Accepted Answer

A)  family 
B)  class 
C)  order 
D)  species 
E)  genus 
A)  family 
B)  class 
C)  order 
D)  species 
E)  genus

Question 20

In which of the following groups does seaweed belong?

Accepted Answer

A)  protista 
B)  plants 
C)  fungi 
D)  archaea 
E)  bacteria 
A)  protista 
B)  plants 
C)  fungi 
D)  archaea 
E)  bacteria

Exam 1: Invitation to Biology

All of the following are correct statements about sampling error,except one.Select the exception.

Energy flow is one-way because

MATCHING Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond. -Percentages are about equal.Therefore,Olestra is not the cause of intestinal cramps observed in some people who have ingested Olestra-containing food.

The control in an experiment

The DNA molecule is most similar functionally to a

Who developed the two-part naming system scientists use today to classify newly found organisms?

Why did the scientists assume the plants and animals they encountered in the cloud forest on top of New Guinea's Foja Mountains had never been encountered by other humans before?

In the peacock butterfly experiment,what was the conclusion?

MATCHING Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond. -Olestra causes intestinal cramps.

All of the following statements are true about eukaryotes with one exception.Select the exception.

Classification.Answer the following questions in reference to the levels of organization of life.Choose only the most correct answer. -Atoms held together by chemical bonds.

Which of the following represents an activity within a population?

All of the following are organisms within the domain eukarya with one exception.Select the exception.

In science,all results

The current rate of extinctions is about ____ times faster than normal.

MATCHING Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond. -People who eat potato chips with Olestra will be more likely to get intestinal cramps than those who eat potato chips made without Olestra.

Error bars on a graph indicate

Classification.Answer the following questions in reference to the levels of organization of life.Choose only the most correct answer. -These are the sites for the production of all life's molecules.

Which level of taxonomy encompasses all of the others?

In which of the following groups does seaweed belong?

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

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