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MULTIPLE CHOICE
1. Which of the following is true?
a. Organisms classified in two different biological orders can still belong to the same genus.
b. Organisms classified as two different species can still belong to the same genus.
c. Organisms classified in two different families can still belong to the same genus.
d. Organisms classified in two different kingdoms can still belong to the same genus.
ANS: B DIF: Easy REF: Page 26 TOP: Context for Darwin
MSC: Factual
2. James Hutton’s research in the mid-18th century demonstrated that the earth was
a. 4.6 billion years old. c. a few thousand years old.
b. millions of years old. d. 100 billion years old.
ANS: B DIF: Easy REF: Page 24 TOP: Context for Darwin
MSC: Factual
3. Like most of his contemporaries, Charles Darwin believed
a. that physical traits were passed from the father to the offspring.
b. that physical traits were acquired in an individual’s lifetime.
c. that physical traits were passed down from each parent and then blended together in the
offspring.
d. that physical traits were passed from the mother to the offspring.
ANS: C DIF: Easy REF: Page 33 TOP: Mechanisms of Inheritance
MSC: Factual
4. ________ is most powerful as an evolutionary cause when operating on small populations.
a. Genetic flow c. Genetic drift
b. Mutation d. Natural selection
ANS: C DIF: Easy REF: Page 36
TOP: Evolutionary Forces and Synthesis MSC: Factual
5. Darwin’s theory of evolution by means of natural selection was supported by which leading scientist
of the time?
a. Gregor Mendel c. Thomas Henry Huxley
b. Thomas Malthus d. Charles Lyell
ANS: C DIF: Easy REF: Page 34
TOP: What Happened Since Darwin? MSC: Factual
6. What is the only source of new genetic material?
a. genetic drift c. evolution
b. gene flow d. mutation
ANS: D DIF: Easy REF: Page 36
TOP: Evolutionary Forces and Synthesis MSC: Factual
7. Mendel’s discrete units responsible for the characteristics in his pea plants are now known as
a. chromosomes. c. genes.
b. DNA. d. RNA.
ANS: C DIF: Easy REF: Page 33
TOP: Mendel’s discovery of principles of inheritance MSC: Factual
8. What decreases the number of genetic differences between populations?
a. genetic drift c. DNA
b. mutation d. gene flow
ANS: D DIF: Easy REF: Page 36
TOP: Evolutionary Forces and Synthesis MSC: Factual
9. Whose efforts helped explain how chromosomes are replicated?
a. Rosalind Franklin
b. James Watson
c. Francis Crick
d. all of the above
ANS: D DIF: Easy REF: Page 38
TOP: Discovery of DNA as Blueprint MSC: Factual
10. Natural selection
a. works on preexisting variation in a population.
b. works on traits acquired through an organism’s lifetime.
c. works only on deleterious traits.
d. works only on advantageous traits.
ANS: A DIF: Medium REF: Page 36
TOP: Evolutionary Forces and Synthesis MSC: Factual
11. Among the first scientists to conceive of evolutionary change was
a. Charles Darwin. c. Erasmus Darwin.
b. Georges Cuvier. d. Alfred Wallace.
ANS: C DIF: Easy REF: Page 31 TOP: Context for Darwin
MSC: Factual
12. Charles Darwin’s book On the Origin of Species (1859) was considered an important contribution to
modern science because
a. it coined the concept of evolution.
b. it synthesized information from diverse scientific fields in order to document evolutionary
change.
c. it was immediately and widely accepted by the scientific community as the mechanism for
evolutionary change.
d. none of the above.
ANS: B DIF: Medium REF: Page 23 | Page 31
TOP: What Was Darwin’s Contribution to the Theory of Evolution?
MSC: Conceptual
13. Darwin’s theory of evolution drew from all of the following scientific disciplines except
a. demography. c. genetics.
b. geology. d. systematics.
ANS: C DIF: Easy REF: Page 23 TOP: Context for Darwin
MSC: Factual
14. Why is the work of Alfred Russel Wallace considered when discussing the theory of evolution?
a. He was an English naturalist who had arrived at many of the same conclusions as Darwin.
b. His work is not considered as he was mistakenly credited with the theory of natural
selection.
c. He was a British dog-breeder who worked on artificial selection experiments.
d. Wallace was well-known and gathered even more evidence to support evolution than
Darwin.
ANS: A DIF: Easy REF: Page 32
TOP: Darwin’s contemporaries and competition: Wallace MSC: Conceptual
15. The evolutionary synthesis
a. occurred in 1900 immediately after Mendel’s work was rediscovered.
b. emphasized the important role of mutation and macromutation in evolutionary change.
c. emphasized theoretical differences between diverse scientific fields.
d. accepted Darwin’s theory of evolution and Mendel’s theory of heredity as explaining most
evolutionary change.
ANS: D DIF: Medium REF: Pages 35–36
TOP: Evolutionary Forces and Synthesis MSC: Factual
16. Deoxyribonucleic acid (DNA)
a. was studied during Darwin’s lifetime.
b. is the “recipe” for all biological characteristics and functions.
c. was discovered by Mendel.
d. is stored in the cells as ribosomes.
ANS: B DIF: Easy REF: Pages 37–38
TOP: Discovery of DNA as Blueprint MSC: Factual
17. While at the gorilla exhibit at the zoo you notice that the sign reads Gorilla gorilla gorilla. You recall
that this is a scientific name and is part of a naming system known as
a. binomial nomenclature, which was developed by Carolus Linnaeus as a classification
system for plants and animals.
b. natural selection, because you know that Carolus Linnaeus was a proponent of
evolutionary change.
c. independent assortment, developed by Gregor Mendel.
d. none of the above.
ANS: A DIF: Easy REF: Page 26 TOP: Context for Darwin
MSC: Applied
18. James Hutton is associated with
a. adaptation. c. uniformitarianism.
b. catastrophism. d. principles of heredity.
ANS: C DIF: Easy REF: Page 24 TOP: Context for Darwin
MSC: Factual
19.
