Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Which
group of organisms is believed to have been the earliest to evolve? a. | mammals | c. | aquatic
dinosaurs | b. | cyanobacteria | d. | land plants | | | | |
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2.
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Which
event contributed most directly to the evidence of aerobic organisms? a. | an increase in
the concentration of methane in the ancient atmosphere | b. | a decrease in
the sun's light intensity | c. | the presence of organisms able to carry on
photosynthesis | d. | an increase in the number of organisms carrying on
fermentation | | |
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3.
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The
Geologic Time Scale begins at the formation of Earth approximately _____ years ago. a. | 4.6
billion | c. | 4.6
thousand | b. | 4.6 million | d. | 46 million | | | | |
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4.
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A
clear fish imprint in a rock indicates that the rock is probably _____. a. | metamorphic | c. | volcanic | b. | sedimentary | d. | igneous | | | | |
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5.
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Which
of the following fossils are not found in sedimentary rock? a. | frozen
mammoths | c. | imprints | b. | amber | d. | petrified wood | | | | |
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6.
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The
primitive Earth atmosphere is hypothesized to have consisted mostly of _____. a. | hydrogen,
methane, ammonia, and water vapor | b. | oxygen, nitrogen, and water vapor | c. | amino acids,
ATP, carbohydrates, and oxygen | d. | none of these | | |
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7.
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Before biogenesis became an accepted cornerstone of biology, it was widely accepted
that _____. a. | flies could be
produced only from other flies | b. | living things could arise spontaneously from other living
things | c. | maggots were the immature offspring of
flies | d. | Francesco Redi and Louis Pasteur would be unable to test the
current beliefs | | |
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8.
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Humans are thought to have evolved during the _____ Era. a. | Mesozoic | c. | Paleozoic | b. | Precambrian | d. | Cenozoic | | | | |
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9.
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Which
of the following statements are true about fossils? a. | There are many
different ways that fossils can be formed. | b. | Fossil insects that were trapped in ice or hardened into
amber. | c. | Fossils are usually found in sedimentary rock
layers. | d. | all of these | | |
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10.
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Urey
and Miller subjected water, ammonia, methane, and hydrogen to heating and cooling cycles and jolts of
electricity in an attempt to _____. a. | determine how the dinosaurs became
extinct | b. | form complex organic compounds | c. | determine the
age of microfossils | d. | find out how ozone forms in the
atmosphere | | |
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