Oceanography Pre-Test Questions
Course Introduction
Oceanography is the scientific study of Earth's oceans, encompassing their physical, chemical, biological, and geological aspects. This course explores ocean circulation, the properties and dynamics of seawater, marine ecosystems, the ocean floor, and the interactions between the ocean and the atmosphere. Students will gain an understanding of oceanographic processes such as waves, tides, and currents, as well as how these processes affect global climate, weather patterns, and marine biodiversity. The course also examines the impact of human activities on ocean environments and highlights the importance of sustainable ocean management.
Recommended Textbook
Marine Biology 9th Edition by Peter Castro
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19 Chapters
595 Verified Questions
595 Flashcards
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Page 2
Chapter 1: The Science of Marine Biology
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23 Verified Questions
23 Flashcards
Source URL: https://quizplus.com/quiz/51466
Sample Questions
Q1) Charles Darwin,who proposed the theory of evolution,was actually a marine biologist who specialized in:
A)Whales.
B)Fishes.
C)Marine birds.
D)Barnacles.
E)Oysters.
Answer: D
Q2) In experiments,scientists create artificial situations to test hypotheses because:
A)They cannot make the necessary observations under natural conditions.
B)It is always easier to study organisms in the lab.
C)Hypotheses cannot be accepted unless they have been studied under these conditions.
D)The scientific method requires it.
Answer: A
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Chapter 2: The Sea Floor
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33 Verified Questions
33 Flashcards
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Sample Questions
Q1) The largest percentage of the world ocean is found in the:
A)Northern hemisphere.
B)Southern hemisphere.
C)Eastern hemisphere.
D)Western hemisphere.
E)The ocean is evenly distributed.
Answer: B
Q2) Which is not a type of lithospheric plate boundary?
A)Shear boundary
B)Continental shelf
C)Trench
D)Mid-ocean ridge
Answer: B
Q3) There is evidence that the earth and the rest of the solar system formed about:
A)5 million years ago.
B)1 billion years ago.
C)4.5 billion years ago.
D)10.5 billion years ago.
E)10 million years ago.
Answer: C
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Chapter 3: Chemical and Physical Features of Seawater
and the World Ocean
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30 Verified Questions
30 Flashcards
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Sample Questions
Q1) Hydrogen bonds:
A)Lower the heat capacity of water.
B)Cause ice to melt at a lower temperature.
C)Make ice less dense than water.
D)Lower the boiling point of water.
E)Do not affect the heat capacity of water at all.
Answer: C
Q2) Water is unusual because it is less dense as a solid than a liquid.This is important for marine organisms because:
A)A layer of ice insulates organisms beneath it.
B)If ice was more dense,the oceans would freeze from the bottom and remain frozen leaving no available space.
C)Cold water holds less oxygen than warm water.
D)All answers are correct.
E)A layer of ice insulates organisms beneath it and If ice was more dense,the oceans would freeze from the bottom and remain frozen leaving no available space only.
Answer: E
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5
Chapter 4: Fundamentals of Biology
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Sample Questions
Q1) Which of the following is NOT true regarding photosynthesis?
A)Atmospheric oxygen is a result of this process
B)Water is a raw material for this process
C)ATP is made directly by this process
D)Carbon dioxide is a raw material for this process
E)Carbohydrates are made directly by this process
Q2) A group of organisms living together on a rocky beach is an example of a(an):
A)Population.
B)Community.
C)Individual.
D)Ecosystem.
E)Colony of individuals.
Q3) Some prokaryotes and eukaryotic sperm cells have protein filaments that allow mobility called:
A)Cillia.
B)Chloroplasts.
C)Golgi appratus.
D)Flagellum.
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6
Chapter 5: The Microbial World
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Sample Questions
Q1) Which of the following are considered to be extremophiles due to the habitats they exist in?
A)Marine lichens
B)Diatoms
C)Archaea
D)Radiolarians
Q2) One of the following statements about marine viruses is not true:
A)Are involved in the release of DOM (dissolved organic matter)into the water.
B)Bridge the gap between the non-living and the living.
C)Their genetic material is in the form of DNA or RNA.
D)Cause diseases in many types of organisms.
E)Consist of minute cells sometimes attached into chains.
Q3) Radiolarians are characterized by:
A)Being mostly planktonic.
B)Having a calcareous skeleton.
C)Being autotrophs.
D)Having two flagella.
E)Causing red tides.
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Chapter 6: Multicellular Primary Producers: Seaweeds and Plants
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22 Verified Questions
22 Flashcards
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Sample Questions
Q1) The Sargasso Sea is found in the:
A)Pacific Ocean.
B)Black Sea.
C)Indian Ocean.
D)Atlantic Ocean.
E)Arctic Ocean.
Q2) A gelatinous substance extracted from algaes and used as a growth media in microbiology labs is:
A)Algin.
B)Pollen.
C)Agar.
D)Carrageenan.
Q3) Macroalgaes can be best differentiated from the phytoplankton because the marcoalgaes:
A)Are eukaryotic.
B)Are photosynthetic.
C)Have true roots.
D)Are mostly multicellular.
E)Have true leaves.
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Chapter 7: Marine Animals Without a Backbone
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35 Verified Questions
35 Flashcards
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Sample Questions
Q1) Sponges and all filter feeders use the following as a food source:
A)Invertebrates only.
B)All particulate matter suspended in water.
C)Particulate matter that deposits on the bottom only.
D)Dead vertebrates.
E)Vegetable matter only in the water.
Q2) Which of the following organisms has a siphon?
A)Cnidarians
B)Ctenophores
C)Nudibranchs
D)Cephalopods
Q3) Animals,all members of the kingdom Animalia,are characterized by all of the following except one:
A)They can be eukaryotic and mutlicellular.
B)Most are multicellular.
C)Some are autotrophs.
D)Some lack a backbone.
E)Some are eukaryotic and unicellular.
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9
Chapter 8: Marine Fishes
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35 Flashcards
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Sample Questions
Q1) Basking sharks feed on:
A)Plankton.
B)Small fishes.
C)Large fishes such as sharks.
D)Marine mammals such as seals.
E)Dead animals.
Q2) The heart of all fishes has how many chambers?
A)One
B)Two
C)Three
D)Four
Q3) Spiracles are involved in:
A)Filter feeding.
B)Removing additional oxygen from the water.
C)Increasing the surface area of the shark's intestine.
D)Carrying additional blood to the heart.
E)Allowing fishes like rays to take in water even when the mouth is buried in sediment.
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Chapter 9: Marine Reptiles, Birds, and Mammals
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38 Verified Questions
38 Flashcards
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Sample Questions
Q1) Which of these is NOT a function of blubber:
A)Insulation
B)Circulation
C)Buoyancy
D)Food reserve
E)Protection
Q2) Porpoises can be distinguished from dolphins by comparing their:
A)Flippers
B)Fluke
C)Reproduction
D)Teeth
E)Blowhole
Q3) Echolocation is present in:
A)All baleen whales
B)Some baleen whales
C)All toothed whales
D)Some toothed whales
E)Only in dolphins and porpoises
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11
Chapter 10: An Introduction to Marine Ecology
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Sample Questions
Q1) In competitive exclusion,which of the following is true?
A)Two species cannot coexist in a habitat
B)One species is a better competitor for resources
C)Leads to intraspecific competition
D)Results from intraspecific completion
E)Leads to population growth for both competitors
Q2) A fundamental role of decomposers:
A)Releasing nutrients to be used by autotrophs.
B)Causing diseases.
C)Providing food for carnivores.
D)Releasing oxygen.
E)Providing energy for autotrophs.
Q3) Nitrogen fixation is performed at sea by:
A)Seaweeds.
B)Cyanobacteria.
C)Phytoplankton.
D)Zooplankton.
E)All answers are correct.
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12
Chapter 11: Between the Tides
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35 Verified Questions
35 Flashcards
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Sample Questions
Q1) In a soft-bottomed intertidal community,oxygen would be most plentiful for meiofauna in which type of bottom?
A)Gravel
B)Sand
C)Silt
D)Clay
E)Mud
Q2) On Atlantic shores,the dog whelk (Nucellalapillus)has two color forms,white-shelled and brown-shelled.Survival of one form over the other form in a region appears to be related to:
A)temperature.
B)Salinity.
C)Substrate type.
D)Prey availability.
E)Predators.
Q3) The upper limit of rocky intertidal communities is typically determined by:
A)Mostly biological factors.
B)Mostly physical factors.
C)Both biological and physical factors.
D)Neither physical or biological factors.
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Chapter 12: Estuaries: Where Rivers Meet the Sea
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30 Verified Questions
30 Flashcards
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Sample Questions
Q1) Well-formed estuaries are least likely to be formed by:
A)Sea level rise.
B)Retreating glaciers.
C)Active continental margins.
D)Passive continental margins.
E)Accumulation of sediments.
Q2) The most important difference between muddy intertidal shores and the mud flats of estuaries:
A)Type of substrate.
B)Variation in salinity.
C)Amount of light.
D)Exposure to wave action.
E)Size of sediment particles.
Q3) Good examples of bar-built estuaries are found here:
A)Coast of Norway.
B)Pacific coast of the United States.
C)Atlantic coast of the United States.
D)Chesapeake Bay.
E)St.Lawrence River.
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Page 14
Chapter 13: Life on the Continental Shelf
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Sample Questions
Q1) Sea weed species with increased photosynthetic pigments for life in deeper waters are found in:
A)Red algae.
B)Brown algae.
C)Green algae.
D)All answers are correct.
E)Red algae and Brown algae only.
Q2) The life cycle of the giant kelp involves:
A)One growth form.
B)Two growth forms.
C)Two growth forms,both very large.
D)Two or three growth forms,depending on temperature.
E)One growth form,which can be large or small depending on temperature.
Q3) Sea otters are known to affect the development of giant kelp forests by:
A)Helping in the dispersion of spores.
B)Removing competing seaweeds.
C)Feeding on carnivorous fishes.
D)Feeding on grazing sea urchins.
E)Releasing nutrients present in feces and urine.
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Chapter 14: Coral Reefs
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31 Verified Questions
31 Flashcards
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Sample Questions
Q1) Primary production is very high in coral reefs but low in surrounding waters.One reason for this is that:
A)Coralline algae and other algae are very abundant.
B)There is abundant carbon dioxide in coral reefs.
C)Nutrients are efficiently recycled within the reef community.
D)Zooxanthellae increase the amount of dissolved oxygen in the water.
E)Turf algae release nutrients.
Q2) A toxicity that can develop when herbivorous fish ingest too many dinoflagullates is:
A)Obligate symbiosis.
B)Parasitosis.
C)Undulate fever.
D)Ciguatera.
E)Tularemia.
Q3) Zooxanthellae are essential to reef-building corals because they:
A)Provide the coral with carbon dioxide.
B)Filter-out harmful solar radiation.
C)Provide the coral with protection from predators.
D)Release mucus.
E)Help in the deposition of the calcium-carbonate skeleton.
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Page 16
Chapter 15: Life Near the Surface
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32 Flashcards
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Sample Questions
Q1) Which of these is least likely to be seen in the epipelagic?
A)Suspension feeders
B)Deposit feeders
C)Primary producers
D)First-level carnivores
E)Second-level carnivores
Q2) The most common limiting nutrient for primary production in the ocean is:
A)Silicon.
B)Oxygen.
C)Nitrogen.
D)Carbonate.
E)Phosphorus.
Q3) Equatorial upwelling occurs as a result of:
A)Temperature changes at the Equator.
B)The divergence of equatorial surface currents.
C)The convergence of equatorial surface currents.
D)Winds causing the Ekman transport of surface water offshore.
E)El Nino conditions north and south of the Equator.
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Chapter 16: The Ocean Depths
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35 Verified Questions
35 Flashcards
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Sample Questions
Q1) Bioluminescence is used by mid-water animals in all of these except in:
A)Communication.
B)Warning coloration.
C)Attracting prey.
D)Counter illumination.
E)Escaping from predators.
Q2) The deep-sea scavengers include animals that feed on:
A)Deep-sea plankton.
B)Bottom meiofauna.
C)Particulate organic matter.
D)Dead animals.
E)Bacteria.
Q3) The most numerous organisms on the deep sea floor are:
A)Macrofauna.
B)Epifauna.
C)Endofauna.
D)Meiofauna.
E)Infauna.
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Chapter 17: Resources From the Sea
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37 Flashcards
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Sample Questions
Q1) By definition,demersal catches are those that are harvested from:
A)The open water.
B)The bottom.
C)Estuaries.
D)Waters where primary production is increased by upwelling.
E)The continental shelf.
Q2) By definition,pelagic catches are those that are harvested from:
A)The open water.
B)The bottom.
C)Estuaries.
D)Waters where primary production is increased by upwelling.
E)The continental shelf.
Q3) Which of the following seafood choices should eco-minded consumers avoid to help protect fragile fisheries?
A)Pacific flounder
B)Pacific cod
C)Striped bass
D)Grouper
E)Tilapia
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Page 19
Chapter 18: The Impact of Humans on the Marine Environment
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Sample Questions
Q1) Accumulation of sludge on the bottom of the ocean is responsible for:
A)Anoxic,or oxygen-lacking,conditions.
B)Drastic changes in salinity.
C)Deposit feeders being replaced by filter feeders.
D)Drastic changes in temperature.
E)Increase in the number of sharks and other predators.
Q2) Chlorinated hydrocarbon pesticides would be likely to be found in the greatest concentrations in the tissues of:
A)Phytoplankton.
B)Zooplankton.
C)Plankton-eating fishes.
D)Carnivorous fishes.
E)Seals and sea lions.
Q3) Artificial reefs are known to:
A)Improve fishing.
B)Increase pollution.
C)Increase beach erosion.
D)Bring unwanted introduced species.
E)Change weather patterns.
20
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Chapter 19: The Oceans and Human Affairs
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Sample Questions
Q1) In the fifteenth century,this nation pioneered the discovery of new areas of the world by crossing the oceans and leading the way to the Age of Exploration was:
A)Italy.
B)China.
C)Portugal.
D)Russia.
E)England.
Q2) The territorial sea of a nation is defined as the water between a nation's coastline to a distance of how many nautical miles?
A)1
B)2
C)3
D)12
E)100
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