Question 1

The proximate reason for the uptake by plants of nutrients like ammonium nitrate is

Accepted Answer

A)  asexual reproduction. 
B)  sexual reproduction. 
C)  natural selection. 
D)  evolution. 
E)  homeostasis. 
A)  asexual reproduction. 
B)  sexual reproduction. 
C)  natural selection. 
D)  evolution. 
E)  homeostasis.

Question 2

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 3

Gravity is a theory because it is

Accepted Answer

A)  a tentative explanation of an observation. 
B)  an untestable prediction. 
C)  a changeable element of experiments. 
D)  an opinion or hunch. 
E)  an encompassing explanation of a natural phenomenon that is well accepted. 
A)  a tentative explanation of an observation. 
B)  an untestable prediction. 
C)  a changeable element of experiments. 
D)  an opinion or hunch. 
E)  an encompassing explanation of a natural phenomenon that is well accepted.

Question 4

The four kingdoms included in the domain Eukarya are

Accepted Answer

A)  Bacteria, Fungi, Plantae, and Animalia. 
B)  Bacteria, Protista, Plantae, and Animalia. 
C)  Protista, Fungi, Plantae, and Animalia. 
D)  Archaea, Bacteria, Plantae, and Animalia. 
E)  Archaea, Fungi, Plantae, and Animalia. 
A)  Bacteria, Fungi, Plantae, and Animalia. 
B)  Bacteria, Protista, Plantae, and Animalia. 
C)  Protista, Fungi, Plantae, and Animalia. 
D)  Archaea, Bacteria, Plantae, and Animalia. 
E)  Archaea, Fungi, Plantae, and Animalia.

Question 5

Pollination is a step of ________ in a plant.

Accepted Answer

A)  sexual reproduction 
B)  asexual reproduction 
C)  development 
D)  metabolism 
E)  homeostasis 
A)  sexual reproduction 
B)  asexual reproduction 
C)  development 
D)  metabolism 
E)  homeostasis

Question 6

A major difference between prokaryotes and eukaryotes is that prokaryotes

Accepted Answer

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

Question 7

In an experiment,Charles Darwin's prediction about long nectaries and long-tongued moths would be a(n)

Accepted Answer

A)  standardized variable. 
B)  theory. 
C)  independent variable. 
D)  dependent variable. 
E)  hypothesis. 
A)  standardized variable. 
B)  theory. 
C)  independent variable. 
D)  dependent variable. 
E)  hypothesis.

Question 8

You perform an experiment in which you take 16 pots of strawberry plants and give half of them 1 gram of ammonium nitrate per liter of water and the other half receive only water. Each group is then split in half again, and exposed to either 8 or 16 hours of light each day. You monitor the height of the plants for 4 weeks. You observe that plants grown in ammonium nitrate and 16 hours of light grow taller than no ammonium nitrate and 8 hours of light.
-Which of the following is/are dependent variable(s)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 9

A theory differs from a hypothesis in that a theory

Accepted Answer

A)  has more supportive evidence than a hypothesis. 
B)  is broader in scope than a hypothesis. 
C)  has predictive power. 
D)  ties together many existing observations. 
E)  All answers are correct. 
A)  has more supportive evidence than a hypothesis. 
B)  is broader in scope than a hypothesis. 
C)  has predictive power. 
D)  ties together many existing observations. 
E)  All answers are correct.

Question 10

The "kingdom" is the most all-inclusive taxonomic category.

Accepted Answer

A) True 
 B)False

Question 11

You perform an experiment in which you take 16 pots of strawberry plants and give half of them 1 gram of ammonium nitrate per liter of water and the other half receive only water. Each group is then split in half again, and exposed to either 8 or 16 hours of light each day. You monitor the height of the plants for 4 weeks. You observe that plants grown in ammonium nitrate and 16 hours of light grow taller than no ammonium nitrate and 8 hours of light.
-Which of the following is/are independent variable(s)in this experiment?

Accepted Answer

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

Question 12

You perform an experiment in which you take 16 pots of strawberry plants and give half of them 1 gram of ammonium nitrate per liter of water and the other half receive only water. Each group is then split in half again, and exposed to either 8 or 16 hours of light each day. You monitor the height of the plants for 4 weeks. You observe that plants grown in ammonium nitrate and 16 hours of light grow taller than no ammonium nitrate and 8 hours of light.
-In this experiment,the size of the pot is

Accepted Answer

A)  an independent variable. 
B)  a dependent variable. 
C)  a standardized variable. 
D)  a placebo. 
E)  a control. 
A)  an independent variable. 
B)  a dependent variable. 
C)  a standardized variable. 
D)  a placebo. 
E)  a control.

Question 13

What is the advantage of a moth having a very long tongue if an orchid has a very long nectar spur?

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 14

Organisms that extract energy from nonliving environmental resources are called

Accepted Answer

A)  heterotrophs. 
B)  decomposers. 
C)  parasites. 
D)  consumers. 
E)  producers. 
A)  heterotrophs. 
B)  decomposers. 
C)  parasites. 
D)  consumers. 
E)  producers.

Question 15

If you wanted to demonstrate homeostasis to a friend,you could use as an example

Accepted Answer

A)  a population changing over time. 
B)  environmental conditions holding constant through time. 
C)  cells having enough water to survive. 
D)  plants and animals needing energy sources. 
E)  an organism maintaining nearly constant internal conditions. 
A)  a population changing over time. 
B)  environmental conditions holding constant through time. 
C)  cells having enough water to survive. 
D)  plants and animals needing energy sources. 
E)  an organism maintaining nearly constant internal conditions.

Question 16

Which is the correct sequence for levels of biological organization within a multicellular organism?

Accepted Answer

A)  atom - molecule - organelle - cell - tissue 
B)  molecule - atom - organelle - tissue - cell 
C)  cell - organelle - atom - tissue - molecule 
D)  organelle - molecule - atom - tissue - cell 
E)  atom - organelle - molecule - cell - tissue 
A)  atom - molecule - organelle - cell - tissue 
B)  molecule - atom - organelle - tissue - cell 
C)  cell - organelle - atom - tissue - molecule 
D)  organelle - molecule - atom - tissue - cell 
E)  atom - organelle - molecule - cell - tissue

Question 17

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 18

Homo sapiens is in which domain?

Accepted Answer

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

Question 19

If you were grading a set of exams dealing with the scientific method,which statement would lead to a student losing points?

Accepted Answer

A)  It is a general way of answering questions with evidence. 
B)  It is a framework to consider ideas in a repeatable way. 
C)  It begins with observations. 
D)  It does not apply to problems encountered in everyday life. 
E)  It enables the testing of ideas. 
A)  It is a general way of answering questions with evidence. 
B)  It is a framework to consider ideas in a repeatable way. 
C)  It begins with observations. 
D)  It does not apply to problems encountered in everyday life. 
E)  It enables the testing of ideas.

Question 20

If you found an organism that was single-celled and had a nucleus,you would classify it as a member of the Archaea.

Accepted Answer

A) True 
 B)False

Exam 1: The Scientific Study of Life

The proximate reason for the uptake by plants of nutrients like ammonium nitrate is

The leaf of a strawberry plant is

Gravity is a theory because it is

The four kingdoms included in the domain Eukarya are

Pollination is a step of ________ in a plant.

A major difference between prokaryotes and eukaryotes is that prokaryotes

In an experiment,Charles Darwin's prediction about long nectaries and long-tongued moths would be a(n)

A theory differs from a hypothesis in that a theory

The "kingdom" is the most all-inclusive taxonomic category.

What is the advantage of a moth having a very long tongue if an orchid has a very long nectar spur?

Organisms that extract energy from nonliving environmental resources are called

If you wanted to demonstrate homeostasis to a friend,you could use as an example

Which is the correct sequence for levels of biological organization within a multicellular organism?

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

Homo sapiens is in which domain?

If you were grading a set of exams dealing with the scientific method,which statement would lead to a student losing points?

If you found an organism that was single-celled and had a nucleus,you would classify it as a member of the Archaea.

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Structure and Gene Function

DNA Replication,Binary Fission,and Mitosis

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

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

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