Question 1

Which statement about a hypothesis is incorrect?

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. A

Question 2

The scientific method cannot be used to answer questions about immaterial and philosophical issues.

Accepted Answer

A) True 
 B)False  True

Question 3

If you observed a newly discovered 'thing' and tried to decide if it might be alive,what would be the weakest distinction for life?

Accepted Answer

A)  homeostasis 
B)  movement 
C)  structural organization 
D)  evolution 
E)  energy use 
A)  homeostasis 
B)  movement 
C)  structural organization 
D)  evolution 
E)  energy use B

Question 4

In a scientific experiment,the investigator measures the response of the ________ variable(s).

Accepted Answer

A)  independent 
B)  dependent 
C)  control group 
D)  standardized 
E)  dependent and independent 
A)  independent 
B)  dependent 
C)  control group 
D)  standardized 
E)  dependent and independent

Question 5

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.

Question 6

In cleaning up after lab,you have to sort cards into boxes.You would put all of the below cards into a box marked "ecosystem" except

Accepted Answer

A)  community. 
B)  biosphere. 
C)  populations. 
D)  organisms. 
E)  nonliving environmental components. 
A)  community. 
B)  biosphere. 
C)  populations. 
D)  organisms. 
E)  nonliving environmental components.

Question 7

What did Charles Darwin predict after observing the 11-inch long nectaries of the Angraecum sesquipedale orchid in Madagascar?

Accepted Answer

A)  the existence of a moth with a 10-11 inch long tongue 
B)  the existence of a competitor that also possessed especially long nectaries 
C)  the presence of very small bees that could fit into long nectaries 
D)  that the orchid must reproduce asexually 
E)  that the orchid was an evolutionary dead end and could no longer reproduce 
A)  the existence of a moth with a 10-11 inch long tongue 
B)  the existence of a competitor that also possessed especially long nectaries 
C)  the presence of very small bees that could fit into long nectaries 
D)  that the orchid must reproduce asexually 
E)  that the orchid was an evolutionary dead end and could no longer reproduce

Question 8

Which is the correct sequence for levels of biological organization occurring beyond an organism?

Accepted Answer

A)  population - ecosystem - community - biosphere 
B)  community - population - ecosystem - biosphere 
C)  community - population - biosphere - ecosystem 
D)  population - community - ecosystem - biosphere 
E)  ecosystem - population - biosphere - community 
A)  population - ecosystem - community - biosphere 
B)  community - population - ecosystem - biosphere 
C)  community - population - biosphere - ecosystem 
D)  population - community - ecosystem - biosphere 
E)  ecosystem - population - biosphere - community

Question 9

Which of the following questions cannot be answered by science?

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 10

What is the advantage to the Madagascan orchid of having an 11-inch long nectar tube?

Accepted Answer

A)  It can produce nectar over a larger area and attract more pollinators. 
B)  It can collect more rainwater. 
C)  It can be pollinated easily only by the moths with long tongues. 
D)  It can collect more sunlight for photosynthesis. 
E)  It can trap insects as a source of nutrients. 
A)  It can produce nectar over a larger area and attract more pollinators. 
B)  It can collect more rainwater. 
C)  It can be pollinated easily only by the moths with long tongues. 
D)  It can collect more sunlight for photosynthesis. 
E)  It can trap insects as a source of nutrients.

Question 11

Ammonium nitrate is

Accepted Answer

A)  an atom. 
B)  a molecule. 
C)  a cell. 
D)  a tissue. 
E)  a biosphere. 
A)  an atom. 
B)  a molecule. 
C)  a cell. 
D)  a tissue. 
E)  a biosphere.

Question 12

In a scientific experiment,the investigator manipulates the ________ variable(s)to determine whether it causes another variable to change.

Accepted Answer

A)  standardized 
B)  control group 
C)  dependent 
D)  independent 
E)  control group and standardized 
A)  standardized 
B)  control group 
C)  dependent 
D)  independent 
E)  control group and standardized

Question 13

Why isn't scientific inquiry foolproof?

Accepted Answer

A)  Multiple interpretations of the data are possible. 
B)  Definitive answers may not exist. 
C)  Observations can be misinterpreted. 
D)  Unexpected conclusions are not always readily accepted. 
E)  All answers are correct. 
A)  Multiple interpretations of the data are possible. 
B)  Definitive answers may not exist. 
C)  Observations can be misinterpreted. 
D)  Unexpected conclusions are not always readily accepted. 
E)  All answers are correct.

Question 14

What statement deals with an aspect of experimentation but with the incorrect explanation?

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)  A control group is an untreated group and provides a basis for comparison. 
D)  It is important to standardize aspects of an experiment that 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)  A control group is an untreated group and provides a basis for comparison. 
D)  It is important to standardize aspects of an experiment that might affect the outcome, other than the independent variable. 
E)  All answers are correct.

Question 15

All living organisms

Accepted Answer

A)  are prokaryotes. 
B)  are either unicellular or multicellular. 
C)  are eukaryotes. 
D)  are multicellular. 
E)  are unicellular. 
A)  are prokaryotes. 
B)  are either unicellular or multicellular. 
C)  are eukaryotes. 
D)  are multicellular. 
E)  are unicellular.

Question 16

Asexual reproduction differs from sexual reproduction in that

Accepted Answer

A)  asexual reproduction produces genetically diverse offspring. 
B)  asexual reproduction utilizes DNA from two parents to code for traits in offspring. 
C)  asexual reproduction occurs only in plants. 
D)  asexual reproduction produces offspring containing DNA from only one parent. 
E)  asexual reproduction only occurs in animals. 
A)  asexual reproduction produces genetically diverse offspring. 
B)  asexual reproduction utilizes DNA from two parents to code for traits in offspring. 
C)  asexual reproduction occurs only in plants. 
D)  asexual reproduction produces offspring containing DNA from only one parent. 
E)  asexual reproduction only occurs in animals.

Question 17

You are sorting cards with pictures of organisms and their descriptions into groups.You would place the card with an osprey and the description "organisms that obtain energy by consuming other organisms" with cards for other

Accepted Answer

A)  autotrophs. 
B)  plants. 
C)  heterotrophs. 
D)  producers. 
E)  photosynthesizers. 
A)  autotrophs. 
B)  plants. 
C)  heterotrophs. 
D)  producers. 
E)  photosynthesizers.

Question 18

You want to test Charles Darwin's prediction that an orchid with long pollen tubes has a pollinator with long,thin mouthparts that can reach the bottom of the elongated nectar tube.You place nets over some orchids,which allows pollinators with small,short mouthparts to enter but prevents the entry of pollinators with long,thin mouthparts.Next,you compare the number of seeds produced by plants with and without the nets.In this experiment,seed production is a(n)

Accepted Answer

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

Question 19

The bacterium Staphylococcus 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 20

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

Exam 1: The Scientific Study of Life

Which statement about a hypothesis is incorrect?

The scientific method cannot be used to answer questions about immaterial and philosophical issues.

If you observed a newly discovered 'thing' and tried to decide if it might be alive,what would be the weakest distinction for life?

In a scientific experiment,the investigator measures the response of the ________ variable(s).

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

In cleaning up after lab,you have to sort cards into boxes.You would put all of the below cards into a box marked "ecosystem" except

What did Charles Darwin predict after observing the 11-inch long nectaries of the Angraecum sesquipedale orchid in Madagascar?

Which is the correct sequence for levels of biological organization occurring beyond an organism?

Which of the following questions cannot be answered by science?

What is the advantage to the Madagascan orchid of having an 11-inch long nectar tube?

Ammonium nitrate is

In a scientific experiment,the investigator manipulates the ________ variable(s)to determine whether it causes another variable to change.

Why isn't scientific inquiry foolproof?

What statement deals with an aspect of experimentation but with the incorrect explanation?

All living organisms

Asexual reproduction differs from sexual reproduction in that

You are sorting cards with pictures of organisms and their descriptions into groups.You would place the card with an osprey and the description "organisms that obtain energy by consuming other organisms" with cards for other

The bacterium Staphylococcus aureus belongs to which domain?

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

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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