OCE 1001 MIDTERM Questions with Correct Answers (Grade A+)
Question 1: 4 principle oceans + one
Answer: Pacific, Atlantic, Indian, Southern, and Arctic
Question 2: The first humans from Western Hemisphere known to have developed the art of navigation
were the ________.
Answer: Phoenicians
Question 3: N.O.A.A
Answer: National Oceanic and Atmospheric Administration
Question 4: A tentative, testable statement about the general nature of a phenomenon is called a(n)
________. guess theory law hypothesis observation
Answer: hypothesis
Question 5: Earth's primordial atmosphere most likely included ________. hydrogen, helium, and
oxygen nitrogen, ozone, and sulfur dioxide carbon dioxide, water vapor, sulfur dioxide, and methane
ammonia, oxygen, carbon dioxide, and water vapor
Answer: carbon dioxide, water vapor, sulfur dioxide, and methane
Question 6: The mechanism by which populations evolve and new species develop is called ________.
Answer: natural selection
Question 7: The Earth is approximately ________. 400,000 years old 6,000 years old 4.6 million years
old 40 billion years old 4.6 billion years old
Answer: 4.6 billion years old
Question 8: The oldest known rocks on Earth are about ________ years old. 4.5 billion 4.2 billion 4.1
billion 4.0 billion 4.3 billion
Answer: 4.2 billion
Question 9: Uranium 235 decays into the daughter product ________.
Answer: lead 207
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,Question 10: Which period is not part of the Mesozoic? Jurassic Triassic Cretaceous Permian
Answer: Permian
Question 11: Which epoch is not part of Paleogene? Miocene Oligocene Paleocene Eocene
Answer: Miocene
Question 12: In which period did the first fishes appear? Ordovician Cambrian Silurian Devonian
Answer: Ordovician
Question 13: What period did dinosaurs dominate? Cretaceous Triassic Jurassic Permian
Answer: Triassic
Question 14: How many millions of years ago was the extinction of 90% of marine life? 299 201 318 359
252
Answer: 252
Question 15: Trilobites were dominant during which geologic period? Jurassic Permian Devonian
Ordovician Cambrian
Answer: Cambrian
Question 16: Earth's atmosphere became oxygen-rich about ________ years ago. 4.0 billion 2.0 billion
2.45 billion 3.0 billion 3.45 billion
Answer: 2.45 billion
Question 17: How old were the microfossils of bacteria from the deep-water marine rocks that support
the idea of life's origin on the deep-ocean floor? 3.2 billion years 3.1 billion years 3.0 billion years 3.4
billion years 3.3 billion years
Answer: 3.2 billion years
Question 18: Charles Darwin was famous for his work on evolution by natural selection processes.
Which of the follow was not one of the animals that he observed? Elephants Horses Cats Tortoises
Finches
Answer: cats
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, Question 19: When did Miller and Urey conduct their lab experiment that had major implications
about the development of life on Earth? 1940s 1950s 1960s 1980s 1970s
Answer: 1950s
Question 20: Oxygen comprises about ________ percent of the Earth's present atmosphere.
Answer: 20
Question 21: According to the fossil record on Earth, the earliest-known life-forms lived in sea floor
rocks about 3.5 ________ years ago. thousand billion trillion million
Answer: billion
Question 22: The oldest fossilized remains of organisms are primitive ________ bacteria recovered
from rocks formed on the sea floor about 3.5 billion years ago. streptococcus photosynthetic
chemosynthetic heterotrophic
Answer: photosynthetic
Question 23: The great oxidation event resulted in the massive die-off of which of the following?
Anaerobic bacteria Blue-green algae Dinosaurs Land plants
Answer: anaerobic oxygen
Question 24: Which comet was not analyzed for its chemical composition? Hyakutake Halley
Hale-Bopp Helena
Answer: Helena
Question 25: The Kuiper Belt is located beyond the orbit of which planet? Jupiter Saturn Mars Pluto
Neptune
Answer: neptune
Question 26: Which of the following was not abundant in the early atmosphere? Oxygen Water vapor
(steam) Hydrogen Carbon dioxide
Answer: oxygen
Question 27: Earth's second atmosphere formed from ________. outgassing the Sun's solar wind comet
vaporization leftover gases from the nebula
Answer: outgassing
Page 3
Question 1: 4 principle oceans + one
Answer: Pacific, Atlantic, Indian, Southern, and Arctic
Question 2: The first humans from Western Hemisphere known to have developed the art of navigation
were the ________.
Answer: Phoenicians
Question 3: N.O.A.A
Answer: National Oceanic and Atmospheric Administration
Question 4: A tentative, testable statement about the general nature of a phenomenon is called a(n)
________. guess theory law hypothesis observation
Answer: hypothesis
Question 5: Earth's primordial atmosphere most likely included ________. hydrogen, helium, and
oxygen nitrogen, ozone, and sulfur dioxide carbon dioxide, water vapor, sulfur dioxide, and methane
ammonia, oxygen, carbon dioxide, and water vapor
Answer: carbon dioxide, water vapor, sulfur dioxide, and methane
Question 6: The mechanism by which populations evolve and new species develop is called ________.
Answer: natural selection
Question 7: The Earth is approximately ________. 400,000 years old 6,000 years old 4.6 million years
old 40 billion years old 4.6 billion years old
Answer: 4.6 billion years old
Question 8: The oldest known rocks on Earth are about ________ years old. 4.5 billion 4.2 billion 4.1
billion 4.0 billion 4.3 billion
Answer: 4.2 billion
Question 9: Uranium 235 decays into the daughter product ________.
Answer: lead 207
Page 1
,Question 10: Which period is not part of the Mesozoic? Jurassic Triassic Cretaceous Permian
Answer: Permian
Question 11: Which epoch is not part of Paleogene? Miocene Oligocene Paleocene Eocene
Answer: Miocene
Question 12: In which period did the first fishes appear? Ordovician Cambrian Silurian Devonian
Answer: Ordovician
Question 13: What period did dinosaurs dominate? Cretaceous Triassic Jurassic Permian
Answer: Triassic
Question 14: How many millions of years ago was the extinction of 90% of marine life? 299 201 318 359
252
Answer: 252
Question 15: Trilobites were dominant during which geologic period? Jurassic Permian Devonian
Ordovician Cambrian
Answer: Cambrian
Question 16: Earth's atmosphere became oxygen-rich about ________ years ago. 4.0 billion 2.0 billion
2.45 billion 3.0 billion 3.45 billion
Answer: 2.45 billion
Question 17: How old were the microfossils of bacteria from the deep-water marine rocks that support
the idea of life's origin on the deep-ocean floor? 3.2 billion years 3.1 billion years 3.0 billion years 3.4
billion years 3.3 billion years
Answer: 3.2 billion years
Question 18: Charles Darwin was famous for his work on evolution by natural selection processes.
Which of the follow was not one of the animals that he observed? Elephants Horses Cats Tortoises
Finches
Answer: cats
Page 2
, Question 19: When did Miller and Urey conduct their lab experiment that had major implications
about the development of life on Earth? 1940s 1950s 1960s 1980s 1970s
Answer: 1950s
Question 20: Oxygen comprises about ________ percent of the Earth's present atmosphere.
Answer: 20
Question 21: According to the fossil record on Earth, the earliest-known life-forms lived in sea floor
rocks about 3.5 ________ years ago. thousand billion trillion million
Answer: billion
Question 22: The oldest fossilized remains of organisms are primitive ________ bacteria recovered
from rocks formed on the sea floor about 3.5 billion years ago. streptococcus photosynthetic
chemosynthetic heterotrophic
Answer: photosynthetic
Question 23: The great oxidation event resulted in the massive die-off of which of the following?
Anaerobic bacteria Blue-green algae Dinosaurs Land plants
Answer: anaerobic oxygen
Question 24: Which comet was not analyzed for its chemical composition? Hyakutake Halley
Hale-Bopp Helena
Answer: Helena
Question 25: The Kuiper Belt is located beyond the orbit of which planet? Jupiter Saturn Mars Pluto
Neptune
Answer: neptune
Question 26: Which of the following was not abundant in the early atmosphere? Oxygen Water vapor
(steam) Hydrogen Carbon dioxide
Answer: oxygen
Question 27: Earth's second atmosphere formed from ________. outgassing the Sun's solar wind comet
vaporization leftover gases from the nebula
Answer: outgassing
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