Question 1

How do you know the computer you are working on is not alive?

Accepted Answer

A) It is not made of cells. 
B) It does not maintain an internal consistency of water,solutes,and other components. 
C) It cannot reproduce,asexually or sexually. 
D) It cannot evolve. 
E) All answers are correct. 
A) It is not made of cells. 
B) It does not maintain an internal consistency of water,solutes,and other components. 
C) It cannot reproduce,asexually or sexually. 
D) It cannot evolve. 
E) All answers are correct. E

Question 2

The cell is the basic unit of life.

Accepted Answer

A) True 
 B)False  True

Question 3

A major difference between prokaryotes and eukaryotes is that prokaryotes

Accepted Answer

A) have cell walls and other organisms do not. 
B) do not have a nucleus in their cells and other organisms do. 
C) have a nucleus in their cells and other organisms do not. 
D) are autotrophs and other organisms are not. 
E) are not living organisms,while eukaryotes arE. 
A) have cell walls and other organisms do not. 
B) do not have a nucleus in their cells and other organisms do. 
C) have a nucleus in their cells and other organisms do not. 
D) are autotrophs and other organisms are not. 
E) are not living organisms,while eukaryotes arE. B

Question 4

In the section "Investigating Life: The Orchid and the Moth," what is the advantage to the sphinx moth Xanthopan morgani of having an 8-inch long tongue?

Accepted Answer

A) It is used to attract mates through sexual selection. 
B) It can pollinate only one type of flower. 
C) It makes flying more efficient. 
D) It can be used to capture other flying insects for fooD. 
E) It can reach nectar that no other pollinator can reach. 
A) It is used to attract mates through sexual selection. 
B) It can pollinate only one type of flower. 
C) It makes flying more efficient. 
D) It can be used to capture other flying insects for fooD. 
E) It can reach nectar that no other pollinator can reach.

Question 5

Which of the following is FALSE about experiments?

Accepted Answer

A) The larger the sample size the more meaningful the results. 
B) The smaller the sample size the more meaningful the results. 
C) An experiment is not valid without the proper control. 
D) It is important to standardize aspects of an experiment which might affect the outcome,other than the independent variable. 
E) All answers are correct. 
A) The larger the sample size the more meaningful the results. 
B) The smaller the sample size the more meaningful the results. 
C) An experiment is not valid without the proper control. 
D) It is important to standardize aspects of an experiment which might affect the outcome,other than the independent variable. 
E) All answers are correct.

Question 6

Which of the following is false about a hypothesis?

Accepted Answer

A) It can be proven true. 
B) It can be proven false. 
C) It is a tentative explanation. 
D) It is based on previous knowledge. 
E) It must be testable to be useful. 
A) It can be proven true. 
B) It can be proven false. 
C) It is a tentative explanation. 
D) It is based on previous knowledge. 
E) It must be testable to be useful.

Question 7

How did some of the original strain of S.aureus bacteria survive in the presence of methicillin?

Accepted Answer

A) The methicillin caused mutations in the bacteriA. 
B) They had pre-existing mutations that provided resistance. 
C) The methicillin was no longer active. 
D) The methicillin may not have been added to those plates. 
E) The bacteria wanted to survive the antibiotic and mutated to become resistant. 
A) The methicillin caused mutations in the bacteriA. 
B) They had pre-existing mutations that provided resistance. 
C) The methicillin was no longer active. 
D) The methicillin may not have been added to those plates. 
E) The bacteria wanted to survive the antibiotic and mutated to become resistant.

Question 8

Which of the following are dependent variables in this experiment?

Accepted Answer

A) the strain of S.aureus 
B) the dose of methicillin 
C) the agar plates 
D) survival in the presence of methicillin 
E) the time of bacterial growth 
A) the strain of S.aureus 
B) the dose of methicillin 
C) the agar plates 
D) survival in the presence of methicillin 
E) the time of bacterial growth

Question 9

Which of the following is not a "control" in an experimental procedure?

Accepted Answer

A) a placebo 
B) a known standard of comparison 
C) a normal group 
D) an experimental group 
E) a "zero"-value group 
A) a placebo 
B) a known standard of comparison 
C) a normal group 
D) an experimental group 
E) a "zero"-value group

Question 10

What is the purpose of a control in an experiment?

Accepted Answer

A) provides a basis for comparison 
B) provides tentative explanations for an observation 
C) provides a large sample size 
D) provides a small sample size 
E) provides wide range of variations in the independent variable 
A) provides a basis for comparison 
B) provides tentative explanations for an observation 
C) provides a large sample size 
D) provides a small sample size 
E) provides wide range of variations in the independent variable

Question 11

A structure consisting of tissues organized to carry out a specific function defines a(n)

Accepted Answer

A) organ. 
B) cell. 
C) population. 
D) atom. 
E) moleculE. 
A) organ. 
B) cell. 
C) population. 
D) atom. 
E) moleculE.

Question 12

In an experiment designed to measure the distance a golf ball is hit by clubs made of different material,the dependent variable is

Accepted Answer

A) the distance the golf ball travels. 
B) the type of material the club is made of. 
C) the wind direction when the experiment takes place. 
D) the type of material the golf ball is made of. 
E) the speed of the golf club prior to hitting the golf ball. 
A) the distance the golf ball travels. 
B) the type of material the club is made of. 
C) the wind direction when the experiment takes place. 
D) the type of material the golf ball is made of. 
E) the speed of the golf club prior to hitting the golf ball.

Question 13

Which of the following is not a testable hypothesis?

Accepted Answer

A) What is the meaning of life? 
B) Why is the sky the color blue? 
C) What causes species extinctions? 
D) How did I start from only an egg and sperm? 
E) Why is too much fatty food bad for me? 
A) What is the meaning of life? 
B) Why is the sky the color blue? 
C) What causes species extinctions? 
D) How did I start from only an egg and sperm? 
E) Why is too much fatty food bad for me?

Question 14

The bacterium S.aureus belongs to which domain?

Accepted Answer

A) Eukarya 
B) Archaea 
C) Prokarya 
D) Protista 
E) Bacteria 
A) Eukarya 
B) Archaea 
C) Prokarya 
D) Protista 
E) Bacteria

Question 15

The leaf of a strawberry plant is

Accepted Answer

A) an organ. 
B) a molecule. 
C) an organelle. 
D) a cell. 
E) an organism. 
A) an organ. 
B) a molecule. 
C) an organelle. 
D) a cell. 
E) an organism.

Question 16

What is the purpose of taxonomy?

Accepted Answer

A) to name and classify living organisms 
B) to organize levels of biology from atom to biosphere 
C) to predict the outcome of experiments 
D) to explain how or why a phenomenon occurred 
E) to explain how life began 
A) to name and classify living organisms 
B) to organize levels of biology from atom to biosphere 
C) to predict the outcome of experiments 
D) to explain how or why a phenomenon occurred 
E) to explain how life began

Question 17

Which of the following are dependent variables in this experiment?

Accepted Answer

A) Amount of ammonium nitrate and light 
B) Amount of carbon dioxide 
C) Amount of water 
D) Height of the plants 
E) Height of the plants and amount of light 
A) Amount of ammonium nitrate and light 
B) Amount of carbon dioxide 
C) Amount of water 
D) Height of the plants 
E) Height of the plants and amount of light

Question 18

In an experiment designed to determine if a fertilizer increased crop yield in tomato plants,the number of tomatoes produced by each plant would be the independent variable.

Accepted Answer

A) True 
 B)False

Question 19

Decomposers are a special group of producers.

Accepted Answer

A) True 
 B)False

Question 20

What are the independent variables in this experiment?

Accepted Answer

A) the strain of S.aureus 
B) the dose of methicillin 
C) survival in the presence of methicillin 
D) the agar plates 
E) the time of bacterial growth 
A) the strain of S.aureus 
B) the dose of methicillin 
C) survival in the presence of methicillin 
D) the agar plates 
E) the time of bacterial growth

Exam 1: Scientific Study of Life

How do you know the computer you are working on is not alive?

The cell is the basic unit of life.

A major difference between prokaryotes and eukaryotes is that prokaryotes

In the section "Investigating Life: The Orchid and the Moth," what is the advantage to the sphinx moth Xanthopan morgani of having an 8-inch long tongue?

Which of the following is FALSE about experiments?

Which of the following is false about a hypothesis?

How did some of the original strain of S.aureus bacteria survive in the presence of methicillin?

Which of the following are dependent variables in this experiment?

Which of the following is not a "control" in an experimental procedure?

What is the purpose of a control in an experiment?

A structure consisting of tissues organized to carry out a specific function defines a(n)

In an experiment designed to measure the distance a golf ball is hit by clubs made of different material,the dependent variable is

Which of the following is not a testable hypothesis?

The bacterium S.aureus belongs to which domain?

The leaf of a strawberry plant is

What is the purpose of taxonomy?

Which of the following are dependent variables in this experiment?

In an experiment designed to determine if a fertilizer increased crop yield in tomato plants,the number of tomatoes produced by each plant would be the independent variable.

Decomposers are a special group of producers.

What are the independent variables in this experiment?

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

How Cells Release Energy

DNA Structure and Gene Function

DNA Replication and Cell Division

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Population Ecology

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

Regulating Temperature, nutrients, and Body Fluids

The Immune System

Animal Reproduction and Development

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