Biology 152 - all worksheets UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Is the following an example of biological evolution in humans? Your immunity to COVID
strengthens after receiving a COVID vaccine.
A) This is biological evolution of the human species.
B) This is NOT biological evolution of the human species. - CORRECT ANSWER - B)
This is NOT biological evolution of the human species
Which of the following is a non-random mechanism of evolution?
A) Genetic drift
B) Genetic recombination
C) Mutations in alleles
D) Natural selection - CORRECT ANSWER - D) Natural Selection
How does a population gain phenotypes that are NEW to that group of individuals? (select ALL
that apply)
A) Genetic drift
B) Genetic recombination
C) Migration
D) Mutations in alleles
E) Natural selection - CORRECT ANSWER - B,C,D
ome plants can form hybrids, but the offspring of those hybrids are sterile or inviable. What type
of barrier to gene flow is this?
A) Behavioral
B) Temporal (also known as a barrier in time)
C) Post-zygotic
,D) Allopatric
E) Mechanical (also known as a physical barrier) - CORRECT ANSWER -C
Which of the following is a possible result of allopatric division of a population?
A) Different mutations accumulate in each new population.
B) Selective pressures differ somewhat in the different populations. C) The effects of genetic
drift are stronger in the new populations compared to the original population.
D) Gene flow is slowed or stopped between the two new populations.
E) All of these options are possible outcomes of one population being divided into two
geographically separated populations. - CORRECT ANSWER -E
Based only on the timeline and associated information that we covered with this module, what
could have caused the extinction of the dinosaurs?
A) They were hunted to extinction by humans.
B) They were globally out-competed by primates.
C) They were not adapted to the first accumulation of oxygen in the atmosphere.
D) All of these options are consistent with the timeline.
E) None of the other options are consistent with the timeline. - CORRECT ANSWER -E
Prokaryotes" include species that fall into which of the following nutritional categories? (select
ALL that apply).
A) Photoautotrophs.
B) Chemoautotrophs.
C) Photoheterotrophs.
D) Chemoheterotrophs.
E) No species of "prokaryotes" fall into any of the nutritional categories listed here. - CORRECT
ANSWER - A,B,C,D
hy is it a bad idea to take antibiotics if we are not sick?
A) We will build up immunity to the drugs.
, B) Viruses will become more harmful in response to the use of antibiotics.
C) Resistant bacteria will become more common due to natural selection.
D) A & B are correct.
E) B & C are correct. - CORRECT ANSWER -C
Which of the following categories of selection is correctly matched with its description?
A) Stabilizing selection selects for intermediate phenotypes (i.e., the intermediate phenotype
leads to higher fitness than either of the more extreme phenotypes). '
B) Directional selection selects for both extreme phenotypes.
C) Disruptive or diversifying selection selects for one extreme phenotype.
D) All of these categories of selection are correctly matched with their descriptions.
E) None of these categories of selection are correctly matched with their descriptions. -
CORRECT ANSWER -A
You are examining a water sample from a pond using a microscope. A single-celled organism
moves itself through the water. It has intracellular structures, including a nucleus and
mitochondria, but no chloroplasts. It captures and ingests another small organism. To which of
these groups could it belong? (Select ALL that apply.)
A) Algae
B) Animals
C) Bacteria
D) Protozoa
E) Protists - CORRECT ANSWER - D,E
When the first large, complex multicellular organism evolved, it faced NEW challenges for
survival. Which of the following is one of those challenges that is NOT faced by unicellular
organisms?
A) Transport of wastes out of and away from some cells in the body cannot be achieved just with
diffusion.
B) Energy is needed for each cell in the form of ATP.
C) Cellular reproduction is needed for the species to survive.
ACTUAL Exam Questions and CORRECT
Answers
Is the following an example of biological evolution in humans? Your immunity to COVID
strengthens after receiving a COVID vaccine.
A) This is biological evolution of the human species.
B) This is NOT biological evolution of the human species. - CORRECT ANSWER - B)
This is NOT biological evolution of the human species
Which of the following is a non-random mechanism of evolution?
A) Genetic drift
B) Genetic recombination
C) Mutations in alleles
D) Natural selection - CORRECT ANSWER - D) Natural Selection
How does a population gain phenotypes that are NEW to that group of individuals? (select ALL
that apply)
A) Genetic drift
B) Genetic recombination
C) Migration
D) Mutations in alleles
E) Natural selection - CORRECT ANSWER - B,C,D
ome plants can form hybrids, but the offspring of those hybrids are sterile or inviable. What type
of barrier to gene flow is this?
A) Behavioral
B) Temporal (also known as a barrier in time)
C) Post-zygotic
,D) Allopatric
E) Mechanical (also known as a physical barrier) - CORRECT ANSWER -C
Which of the following is a possible result of allopatric division of a population?
A) Different mutations accumulate in each new population.
B) Selective pressures differ somewhat in the different populations. C) The effects of genetic
drift are stronger in the new populations compared to the original population.
D) Gene flow is slowed or stopped between the two new populations.
E) All of these options are possible outcomes of one population being divided into two
geographically separated populations. - CORRECT ANSWER -E
Based only on the timeline and associated information that we covered with this module, what
could have caused the extinction of the dinosaurs?
A) They were hunted to extinction by humans.
B) They were globally out-competed by primates.
C) They were not adapted to the first accumulation of oxygen in the atmosphere.
D) All of these options are consistent with the timeline.
E) None of the other options are consistent with the timeline. - CORRECT ANSWER -E
Prokaryotes" include species that fall into which of the following nutritional categories? (select
ALL that apply).
A) Photoautotrophs.
B) Chemoautotrophs.
C) Photoheterotrophs.
D) Chemoheterotrophs.
E) No species of "prokaryotes" fall into any of the nutritional categories listed here. - CORRECT
ANSWER - A,B,C,D
hy is it a bad idea to take antibiotics if we are not sick?
A) We will build up immunity to the drugs.
, B) Viruses will become more harmful in response to the use of antibiotics.
C) Resistant bacteria will become more common due to natural selection.
D) A & B are correct.
E) B & C are correct. - CORRECT ANSWER -C
Which of the following categories of selection is correctly matched with its description?
A) Stabilizing selection selects for intermediate phenotypes (i.e., the intermediate phenotype
leads to higher fitness than either of the more extreme phenotypes). '
B) Directional selection selects for both extreme phenotypes.
C) Disruptive or diversifying selection selects for one extreme phenotype.
D) All of these categories of selection are correctly matched with their descriptions.
E) None of these categories of selection are correctly matched with their descriptions. -
CORRECT ANSWER -A
You are examining a water sample from a pond using a microscope. A single-celled organism
moves itself through the water. It has intracellular structures, including a nucleus and
mitochondria, but no chloroplasts. It captures and ingests another small organism. To which of
these groups could it belong? (Select ALL that apply.)
A) Algae
B) Animals
C) Bacteria
D) Protozoa
E) Protists - CORRECT ANSWER - D,E
When the first large, complex multicellular organism evolved, it faced NEW challenges for
survival. Which of the following is one of those challenges that is NOT faced by unicellular
organisms?
A) Transport of wastes out of and away from some cells in the body cannot be achieved just with
diffusion.
B) Energy is needed for each cell in the form of ATP.
C) Cellular reproduction is needed for the species to survive.
