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Test Bank For
Biology: A Global Approach, 12th Edition
by Neil A. Campbell
ALL ANSWERS PROVIDE AT THE END OF THE DOCUMENT.
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CAMPBELL BIOLOGY – 12TH EDITION A GLOBAL APPROACH – GLOBAL EDITION
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CHAPTER 1 8) Apple on tree ripens, ripe apple produces ethylene,
ethylene signals neighboring apples to ripen, neighbor
apples produce more ethylene, more apples ripen. The
BIOLOGY AND ITS THEMES above process is an example of which of the following?
A) Positive feedback regulation.
1) Which of the following statements about cells is correct? B) Negative feedback regulation.
A) Single cells cannot exist independently. C) Chemical cycling.
B) Cells are limited in size, which is between 200 to 500 D) Emergent properties.
micrometers in diameter.
C) Some cells are non-living in nature. 9) Which of the following is the correct order of
D) Both prokaryotic and eukaryotic organisms are made up of organization of genetic material from smallest to largest?
cells. A) Gene, nucleotide, chromosome, genome.
B) Chromosome, genome, nucleotide, gene.
2) A cell lacking which of the following structures is most C) Genome, chromosome, gene, nucleotide.
likely to be a prokaryote? D) Nucleotide, gene, chromosome, genome.
A) Nuclear membrane.
B) Cell membrane. 10) As letters are to English language, ________ is/are to
C) Cytoplasm. genetic information.
D) Nucleic acid. A) Proteins.
B) Nucleotides.
3) Which of the following types of cells use deoxyribonucleic C) DNA double helix.
acid (DNA) as their genetic material but do not have their
C
D) Carbohydrates.
DNA encased within a nuclear envelope?
A) Animal. 11) Three important research developments that have
B) Plant. LE made the genomic and proteomic approaches possible are _.
C) Archaean. A) High throughput technology, bioinformatics, and
D) Fungi. interdisciplinary research teams.
B) Bioinformatics, gene therapy, and genetically modified
4) To understand the chemical basis of inheritance, we must organisms.
understand the molecular structure of DNA. This is an C) Computers, nanotechnology, and bioinformatics.
example of the application of which concept to the study of
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D) Cloning, computers, and gene therapy.
biology?
A) Evolution. 12) Which of the following questions is considered a
B) Emergent properties. thought-provoking scientific query?
C) Reductionism. A) How long ago did the Pterosaurs live on this planet?
D) Feedback regulation. B) Does the amount of solute in water affect the boiling point of
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the solution?
5) A double-stranded DNA molecule with three guanine and C) Who invented the telescope?
five thiamine nucleotides (in 5 3 strand) has how many D) How many tigers are left in India?
nucleotides in total?
A) 3. 13) Which of the following statements about genetic
B) 5. information is correct?
C) 8. A) mRNA is the only type of RNA found in a eukaryotic cell.
D) 16. B) All forms of life employ the same genetic code.
C) A typical human liver cell has one set of chromosomes.
6) Which of the following statements is true regarding D) DNA is not found in prokaryotic cells.
thecomplexity of biological systems?
A) An understanding of the interactions between different 14) Which of these provides evidence of the common
components within a living system is an approach towards ancestry of all life?
understanding reductionism. A) Near universality of the genetic code.
B) Knowing the function of a component of a living system can B) Structure of the nucleus.
provide insights into the structure and organization of the living C) Structure of cilia.
system. D) Structure of chloroplasts.
C) Understanding the chemical structure of DNA reveals how it
directs the functioning of a living cell. 15) Two organisms are ________ if they share more
D) An ecosystem displays complex properties of the biotic classification levels.
component only. A) Closer together in the biosphere they live.
B) Further apart in the food chain.
7) Which statement about ecological organization is C) Easier to tell apart.
correct? D) More similar in characteristics.
A) An organism is part of a community.
B) A community is part of a population.
C) An ecosystem is made up of organisms only.
D) Biosphere is a part of the ecosystem.
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CAMPBELL BIOLOGY – 12TH EDITION A GLOBAL APPROACH – GLOBAL EDITION
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16) Which branch of biology is concerned with the naming 23) Following a scientific method, which of the following is
and classifying of organisms? the correct order of steps?
A) Informatics. A) Observation → Analysis → Hypothesis → Conclusion →
B) Taxonomy. Communicate results → Experiment.
C) Genomics. B) Observation → Hypothesis → Experiment → Communicate
D) Evolution. results → Analysis → Conclusion.
C) Experiment → Hypothesis → Observation → Analysis →
17) Use the following figure to answer the question. Conclusion → Communicate results.
D) Observation → Hypothesis → Experiment → Analysis →
Conclusion → Communicate results.
Use the information in the graph to answer the following
questions (24-26).
Describe groups labeled A and B.
A) A is the most recent species to evolve on Earth whereas B is
an ancestor of group "A".
B) A is the most recent species to evolve on Earth whereas B is
the last common ancestor of Archaea and Eukarya.
C) A is the common ancestor of all life whereas B is the common
ancestor of Bacteria and Archaea.
D) A is the common ancestor of all life whereas B is the last
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common ancestor of Archaea and Eukarya.
18) An individual is suffering from a streptococcus infection LE
in their throat. Which of the following do the individual and
the streptococcus bacteria have in common?
A) They both belong to the same domain. 24) The data can best be used to address which of the
B) They both are made up of cells. following questions?
C) They both have genetic material in their nucleus. A) What is the impact of plowing soil on the number of
D) The individual and Streptococcus have nothing in common. earthworms?
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B) Does season has an impact on the size of the earthworms?
19) Which of the following is an example of genetic C) Does plowing have an impact on the size of the earthworms?
variation? D) What is the impact of plowing on the speed of growth of the
A) Two brothers who are twins. earthworms?
B) One sibling is vegan, the other eats meat.
C) One sibling has brown eyes, the other has green. 25) Which of the following claims is best supported using
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D) One of the twins has a scar the other does not. the graph?
A) Plowing has no effect on the number of earthworms in the
20) Which of the following is one of Charles Darwin's soil.
observations? B) More earthworms are found in the soil in spring than in fall.
A) Individuals in a population are similar in their traits. C) Plowed soil contains more earthworms than unplowed soil.
B) Many of the traits in an individual are heritable. D) Unplowed soil contains more earthworms than plowed soil.
C) A population avoids competition by producing only as many
offspring as can successfully reproduce on their own. 26) Based on the bar graph, which season, year, and soil
D) Species generally are not adapted to their environments. condition were the worst for cultivating earthworms?
A) Spring 2017, unplowed soil.
21) The evolution two or more species from one species as a B) Fall 2018, unplowed soil.
result of different populations becoming reproductively C) Spring 2017, plowed soil.
isolated from each other is best described as ______ _. D) Fall 2018, plowed soil.
A) Adaptive radiation.
B) Creationism. 27) How does a scientific theory differ from a scientific
C) Natural selection. hypothesis?
D) Prototype. A) Theories are proposed to test scientific hypotheses.
B) Theories are usually an explanation for a more general
22) Cotton-topped tamarins are small primates with tufts of phenomenon; hypotheses typically address more specific issues.
long white hair on their heads. While studying these C) Hypotheses are usually an explanation for a more general
creatures, researchers noticed that males with longer hair phenomenon; theories typically address more specific issues.
get more opportunities to mate and father more offspring. D) Confirmed theories become scientific laws; hypotheses
Which of the following research questions would best test become theories.
the hypothesis that having longer hair is adaptive in these
males?
A) Test whether other traits in these males are also adaptive.
B) Look for evidence of hair in ancestors of tamarins.
C) Determine if hair length is heritable.
D) Test whether males with shaved heads are still able to mate.
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28) Agrobacterium infects plants and causes them to form 32) Which of the following instructions contribute to a
tumors. You are asked to determine how long a plant must productive experimental design?
be exposed to these bacteria to become infected. Which of A) Include a small sample size.
the following experiments will provide the best data to B) Do not include a control, it is a waste of resources.
address that question? C) Alter only one condition between the control and the
A) Determine the survival rate of Agrobacterium when exposed experimental condition.
to different concentrations of an antibiotic. D) Do not run the experiment more than once, the results might
B) Measure the number of tumors formed on a plant when become confusing.
exposed to various concentrations of Agrobacterium.
C) Measure the concentration of Agrobacterium in different soil 33) Which of the following best describes a controlled
environments where the plants grow. experiment?
D) Measure the number of tumors formed on plants, which are A) An experiment repeated many times to ensure that the results
exposed to Agrobacterium for different lengths of time. are accurate.
B) An experiment includes at least two groups, one of which
29) Agrobacterium infects plants and causes them to form does not receive the experimental treatment.
tumors. Tumor formation requires a large amount of the C) An experiment that includes at least two groups, one differing
plant's energy for tissue formation. What could be the from the other by two or more variables.
possible impact of tumor formation on plant reproduction? D) An experiment that includes one group for which the scientist
And why? controls all variables.
A) The number of offspring should increase because in general,
illness increases the reproductive output of organisms. 34) Which of the following is the quality of a good scientific
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B) The number of offspring should increase because the bacteria hypothesis?
will provide energy for the plant. A) It relies on controversial factors.
C) The number of offspring should decrease because the plant B) It should be testable in a valid period of time.
will divert energy from reproduction to tumor formation. LE C) It always produces quantitative data.
D) There should be no effect of infection on offspring production D) It always produces qualitative data.
because energy for reproduction is independent of infection.
35) In presenting data that result from an experiment, a
Use the following information when answering the following group of students shows that most of their measurements
questions (30-31). fall on a straight diagonal line on their graph. However, two
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of their data points are "outliers" and fall far to one side of
In 1668, Francesco Redi performed a series of experiments on the expected relationship. Which of the following is the
spontaneous generation. He began by putting similar pieces of most reasonable way to handle the outliers when analyzing
meat into eight identical jars. Four jars were left open to the air, the data?
and four were sealed. He then did the same experiment with one A) Do not show these points because clearly something went
variation: Instead of sealing four of the jars completely, he wrong in the experiment.
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covered them with gauze (the gauze excluded the flies while B) Average several trials, rule out the improbable results, and do
allowing the meat to be exposed to air). In both experiments, he not show them in the final work.
monitored the jars and recorded whether or not maggots (young C) Show all results obtained and then try to explore the
flies) appeared in the meat. reason(s) for the variation in data.
D) Change the details of the experiment until they can obtain the
30) What hypothesis was being tested in the initial expected results.
experiment with open versus sealed jars?
A) Spontaneous generation is more likely during the long days of 36) In an experiment to test the hypothesis, "temperature
summer. controls sex determination in crocodile embryos" a
B) The type of meat used affects the likelihood of spontaneous researcher incubates crocodile eggs in incubators set at
generation. different temperatures. Which of the following correctly
C) Maggots do not arise spontaneously, but from eggs laid by identifies the dependent and independent variables in the
adult flies. experiment?
D) Spontaneous generation can occur only if meat is exposed to A) Temperature is dependent, sex is independent.
air. B) Sex is dependent, temperature is independent.
C) Type of incubator is dependent, temperature is independent.
31) In both experiments, flies appeared in all of the open D) Temperature is dependent, type of incubator is independent.
jars and only in the open jars. Which one of the following
statements is correct? 37) Which of these is an example of inductive reasoning?
A) The experiment was inconclusive because Redi used only one A) Hundreds of individuals of a species have been observed and
kind of meat. all are photosynthetic; therefore, the species is photosynthetic.
B) The experiment was inconclusive because it did not run long B) These organisms live in sunny regions. Therefore, they are
enough. using photosynthesis.
C) The experiment supports the hypothesis that spontaneous C) If protists are all single-celled, then they are incapable of
generation occurs in rotting meat. aggregating.
D) The experiment supports the hypothesis that maggots arise D) If two species are members of the same genus, they are more
only from eggs laid by adult flies. alike than each of them could be to a different genus.