,Biological .Science, .Canadian .Edition., .2e .(Freeman .et .al.)
.Chapter .1 . Biology .and .the .Tree .of .Life
1) The .pattern .component .of .the .cell .theory .claims .that .all .organisms .consist .of .cells.
A) true
B) false
.Answer:
.A
Reference: . Section .1.1
.Bloom's .Level:
. Remembering
LOs: . Chp1-2. .Describe .the .two .components .of .the .cell .theory.
2) How .does .a .scientific .theory .differ .from .a .scientific .hypothesis?
A) There .is .no .difference—the .terms .are .interchangeable.
B) A .theory .is .an .explanation .for .a .very .general .phenomenon .or .observation; .hypotheses
.treat .more .specific .observations.
C) A .hypothesis .is .an .explanation .for .a .very .general .phenomenon; .theories .treat .more
.specific .issues.
D) Theories .define .scientific .laws; .hypotheses .are .used .to .set .up
.experiments. .Answer: . B
Reference: . Section .1.1
Bloom's .Level: . Comprehension
LOs: . Chp1-2. .Describe .the .two .components .of .the .cell .theory.
3) Algae .in .the .genus .Caulerpa .typically .grow .to .a .length .of .over .half .a .meter .and .have
.structures .similar .to .stems, .leaves, .and .roots. .Reproduction .occurs .when .adults .produce
.sperm .and .eggs .that .fuse .to .form .offspring. .Each .adult .Caulerpa, .however, .consists .of .just .a
.single .cell. .Which .of .the .following .statements .is .true?
A) Caulerpa .violate .the .pattern .component .of .the .cell .theory—that .all .organisms .consist .of .cells.
B) Caulerpa .violate .the .process .component .of .the .cell .theory—that .all .cells .come
.from .preexisting .cells.
C) Caulerpa .violate .both .the .pattern .and .process .components .of .the .cell .theory.
D) The .existence .of .Caulerpa .is .consistent .with .the .cell
.theory. .Answer: . D
Reference: . Section .1.1
Bloom's .Level: . Comprehension
LOs: . Chp1-2. .Describe .the .two .components .of .the .cell .theory.
4) Which .statement .about .spontaneous .generation .is .FALSE?
A) Pasteur .demonstrated .that .it .does .not .occur .under .normal .laboratory .conditions.
B) It .apparently .occurred .at .least .once–when .life .on .Earth .began.
C) It .occurs .every .time .a .new .species .evolves .from .a .preexisting .species.
D) It .addresses .the .formation .of .living .cells .from .previously .nonliving
.material. .Answer: . C
Reference: . Section .1.1
.Bloom's .Level:
. Remembering
LOs: . Chp1-2. .Describe .the .two .components .of .the .cell .theory.
,5) Recall .Pasteur's .experiment .on .spontaneous .generation. .Originally, .he .used .sealed .and
.unsealed .flasks .instead .of .swan-necked .and .unsealed .flasks. .Critics .claimed .that .the
.experiment .was .inconclusive. .Which .of .the .following .criticisms .would .be .addressed .by .using
.a .swan-necked .flask .instead .of .the .sealed .flask?
A) The .broth .was .heated .too .intensively.
B) There .had .not .been .enough .time .for .spontaneous .generation .to .occur.
C) Fresh .air .is .required .for .spontaneous .generation.
D) The .broth .was .not .nutritious
.enough. .Answer: . C
Reference: . Section .1.1
Bloom's .Level: . Comprehension/Applying
LOs: . Chp1-2. .Describe .the .two .components .of .the .cell .theory.
6) Which .of .the .following .is .the .best .example .of .a .heritable .variation?
A) skin .cancer
B) amputation
C) red .hair
D) love .for .music
.Answer: . C
Reference: . Section .1.2
Bloom's .Level: . Comprehension
LOs: . Chp1-1. .Name .five .fundamental .characteristics .shared .by .all .living .organisms.
7) How .does .artificial .selection .differ .from .natural .selection?
A) Artificial .selection .occurs .only .in .computer .simulations, .not .with .actual .organisms.
B) Artificial .selection .is .based .on .conscious .choices .by .humans.
C) Artificial .selection .occurs .only .with .plants.
D) Artificial .selection .is .not .based .on .heritable .variation, .but .on .new
.mutations. .Answer: . B
Reference: . Section .1.2
Bloom's .Level: . Comprehension
LOs: . Chp1-3. .Briefly .explain .the .theory .of .natural .selection, .and .clarify .the .two .conditions
.that .are .necessary .and .sufficient .for .natural .selection .to .bring .about .evolutionary .change .in .a
.population.
, 8) Over .the .past .several .decades, .natural .selection .has .caused .populations .of .Staphylococcus
.aureus .(an .infectious .wound .bacterium) .to .evolve .resistance .to .most .antibiotics. .If .antibiotic
.use .were .stopped, .what .would .you .predict .would .happen .to .these .S. .aureus .populations?
A) They .will .go .extinct .without .the .antibiotic.
B) The .populations .will .begin .colonizing .new .environments.
C) The .frequency .of .nonresistant .forms .will .increase .in .these .populations.
D) The .frequency .of .resistant .forms .will .definitely .increase .in .these
.populations. .Answer: . C
Reference: . Section .1.2
.Bloom's .Level: . Applying
LOs: . Chp1-3. .Briefly .explain .the .theory .of .natural .selection, .and .clarify .the .two .conditions
.that .are .necessary .and .sufficient .for .natural .selection .to .bring .about .evolutionary .change .in .a
.population.
9) Environments .all .over .the .world .are .changing .as .a .result .of .global .warming. .Could
.this .influence .natural .selection?
A) No. .The .environment .is .always .changing. .Global .warming .is .nothing .new.
B) Yes. .Traits .that .help .individuals .produce .more .offspring .in .warmer .environments
.will .increase .in .frequency.
C) No. .The .only .change .will .be .that .species .from .hot .environments .will .expand .their .ranges.
D) Yes. .Mutations .occur .more .frequently .in .hot
.environments. .Answer: . B
Reference: . Section .1.2
.Bloom's .Level: . Applying
LOs: . Chp1-3. .Briefly .explain .the .theory .of .natural .selection, .and .clarify .the .two .conditions
.that .are .necessary .and .sufficient .for .natural .selection .to .bring .about .evolutionary .change .in .a
.population.
10) The ."heat" .in .chili .peppers .is .due .to .a .molecule .called .capsaicin. .Suppose .you .breed .chili
.peppers .that .have .low .amounts .of .capsaicin .over .many .generations .in .order .to .make .them
.milder .(have .less .capsaicin). .What .process .is .occurring?
A) heritable .variation
B) environmental .change
C) natural .selection
D) artificial .selection
.Answer: . D
Reference: . Section .1.2
Bloom's .Level: . Comprehension/Remembering
LOs: . Chp1-3. .Briefly .explain .the .theory .of .natural .selection, .and .clarify .the .two .conditions
.that .are .necessary .and .sufficient .for .natural .selection .to .bring .about .evolutionary .change .in .a
.population.
.Chapter .1 . Biology .and .the .Tree .of .Life
1) The .pattern .component .of .the .cell .theory .claims .that .all .organisms .consist .of .cells.
A) true
B) false
.Answer:
.A
Reference: . Section .1.1
.Bloom's .Level:
. Remembering
LOs: . Chp1-2. .Describe .the .two .components .of .the .cell .theory.
2) How .does .a .scientific .theory .differ .from .a .scientific .hypothesis?
A) There .is .no .difference—the .terms .are .interchangeable.
B) A .theory .is .an .explanation .for .a .very .general .phenomenon .or .observation; .hypotheses
.treat .more .specific .observations.
C) A .hypothesis .is .an .explanation .for .a .very .general .phenomenon; .theories .treat .more
.specific .issues.
D) Theories .define .scientific .laws; .hypotheses .are .used .to .set .up
.experiments. .Answer: . B
Reference: . Section .1.1
Bloom's .Level: . Comprehension
LOs: . Chp1-2. .Describe .the .two .components .of .the .cell .theory.
3) Algae .in .the .genus .Caulerpa .typically .grow .to .a .length .of .over .half .a .meter .and .have
.structures .similar .to .stems, .leaves, .and .roots. .Reproduction .occurs .when .adults .produce
.sperm .and .eggs .that .fuse .to .form .offspring. .Each .adult .Caulerpa, .however, .consists .of .just .a
.single .cell. .Which .of .the .following .statements .is .true?
A) Caulerpa .violate .the .pattern .component .of .the .cell .theory—that .all .organisms .consist .of .cells.
B) Caulerpa .violate .the .process .component .of .the .cell .theory—that .all .cells .come
.from .preexisting .cells.
C) Caulerpa .violate .both .the .pattern .and .process .components .of .the .cell .theory.
D) The .existence .of .Caulerpa .is .consistent .with .the .cell
.theory. .Answer: . D
Reference: . Section .1.1
Bloom's .Level: . Comprehension
LOs: . Chp1-2. .Describe .the .two .components .of .the .cell .theory.
4) Which .statement .about .spontaneous .generation .is .FALSE?
A) Pasteur .demonstrated .that .it .does .not .occur .under .normal .laboratory .conditions.
B) It .apparently .occurred .at .least .once–when .life .on .Earth .began.
C) It .occurs .every .time .a .new .species .evolves .from .a .preexisting .species.
D) It .addresses .the .formation .of .living .cells .from .previously .nonliving
.material. .Answer: . C
Reference: . Section .1.1
.Bloom's .Level:
. Remembering
LOs: . Chp1-2. .Describe .the .two .components .of .the .cell .theory.
,5) Recall .Pasteur's .experiment .on .spontaneous .generation. .Originally, .he .used .sealed .and
.unsealed .flasks .instead .of .swan-necked .and .unsealed .flasks. .Critics .claimed .that .the
.experiment .was .inconclusive. .Which .of .the .following .criticisms .would .be .addressed .by .using
.a .swan-necked .flask .instead .of .the .sealed .flask?
A) The .broth .was .heated .too .intensively.
B) There .had .not .been .enough .time .for .spontaneous .generation .to .occur.
C) Fresh .air .is .required .for .spontaneous .generation.
D) The .broth .was .not .nutritious
.enough. .Answer: . C
Reference: . Section .1.1
Bloom's .Level: . Comprehension/Applying
LOs: . Chp1-2. .Describe .the .two .components .of .the .cell .theory.
6) Which .of .the .following .is .the .best .example .of .a .heritable .variation?
A) skin .cancer
B) amputation
C) red .hair
D) love .for .music
.Answer: . C
Reference: . Section .1.2
Bloom's .Level: . Comprehension
LOs: . Chp1-1. .Name .five .fundamental .characteristics .shared .by .all .living .organisms.
7) How .does .artificial .selection .differ .from .natural .selection?
A) Artificial .selection .occurs .only .in .computer .simulations, .not .with .actual .organisms.
B) Artificial .selection .is .based .on .conscious .choices .by .humans.
C) Artificial .selection .occurs .only .with .plants.
D) Artificial .selection .is .not .based .on .heritable .variation, .but .on .new
.mutations. .Answer: . B
Reference: . Section .1.2
Bloom's .Level: . Comprehension
LOs: . Chp1-3. .Briefly .explain .the .theory .of .natural .selection, .and .clarify .the .two .conditions
.that .are .necessary .and .sufficient .for .natural .selection .to .bring .about .evolutionary .change .in .a
.population.
, 8) Over .the .past .several .decades, .natural .selection .has .caused .populations .of .Staphylococcus
.aureus .(an .infectious .wound .bacterium) .to .evolve .resistance .to .most .antibiotics. .If .antibiotic
.use .were .stopped, .what .would .you .predict .would .happen .to .these .S. .aureus .populations?
A) They .will .go .extinct .without .the .antibiotic.
B) The .populations .will .begin .colonizing .new .environments.
C) The .frequency .of .nonresistant .forms .will .increase .in .these .populations.
D) The .frequency .of .resistant .forms .will .definitely .increase .in .these
.populations. .Answer: . C
Reference: . Section .1.2
.Bloom's .Level: . Applying
LOs: . Chp1-3. .Briefly .explain .the .theory .of .natural .selection, .and .clarify .the .two .conditions
.that .are .necessary .and .sufficient .for .natural .selection .to .bring .about .evolutionary .change .in .a
.population.
9) Environments .all .over .the .world .are .changing .as .a .result .of .global .warming. .Could
.this .influence .natural .selection?
A) No. .The .environment .is .always .changing. .Global .warming .is .nothing .new.
B) Yes. .Traits .that .help .individuals .produce .more .offspring .in .warmer .environments
.will .increase .in .frequency.
C) No. .The .only .change .will .be .that .species .from .hot .environments .will .expand .their .ranges.
D) Yes. .Mutations .occur .more .frequently .in .hot
.environments. .Answer: . B
Reference: . Section .1.2
.Bloom's .Level: . Applying
LOs: . Chp1-3. .Briefly .explain .the .theory .of .natural .selection, .and .clarify .the .two .conditions
.that .are .necessary .and .sufficient .for .natural .selection .to .bring .about .evolutionary .change .in .a
.population.
10) The ."heat" .in .chili .peppers .is .due .to .a .molecule .called .capsaicin. .Suppose .you .breed .chili
.peppers .that .have .low .amounts .of .capsaicin .over .many .generations .in .order .to .make .them
.milder .(have .less .capsaicin). .What .process .is .occurring?
A) heritable .variation
B) environmental .change
C) natural .selection
D) artificial .selection
.Answer: . D
Reference: . Section .1.2
Bloom's .Level: . Comprehension/Remembering
LOs: . Chp1-3. .Briefly .explain .the .theory .of .natural .selection, .and .clarify .the .two .conditions
.that .are .necessary .and .sufficient .for .natural .selection .to .bring .about .evolutionary .change .in .a
.population.
