OCC Oceanography Chapter 17 Baker MRSCA100 CRN21404

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OCC Oceanography Chapter 17 Baker MRSCA100 CRN21404
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2014-11-11 21:20:37
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OCC Oceanography Chapter17 Baker MRSCA100 CRN21404
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OCC Oceanography Chapter 17 Baker MRSCA100 CRN21404
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  1. What is considered to be the world’s most important commercial marine product?
    A. Algin
    B. Seaweed for consumption
    C. Bycatch
    D. Fish
    A. Algin
    (this multiple choice question has been scrambled)
  2. What tools do fishermen now employ to locate schools of fish?
    A. Scouting vessels
    B. Satellite sensors
    C. Ariel photography
    D. All of the choices
    D. All of the choices
    (this multiple choice question has been scrambled)
  3. What is the fastest-growing mariculture production?
    A. Oyster
    B. Shrimp
    C. Salmon
    D. Cod
    B. Shrimp
    (this multiple choice question has been scrambled)
  4. Why does oil seep to the surface from its source rock?
    A. Capillary actions
    B. Convection
    C. Oil is less dense than surrounding sediments
    D. None of the choices
    C. Oil is less dense than surrounding sediments
    (this multiple choice question has been scrambled)
  5. What marine resource has been rendered uneconomical due to the high cost of extraction?
    A. Sand and gravel
    B. Magnesium compounds
    C. Manganese nodules
    D. Salt
    C. Manganese nodules
    (this multiple choice question has been scrambled)
  6. What is the petroleum found in marine sediments likely to have been formed from?
    A. Fossilized fish
    B. None of the choices
    C. Bacteria
    D. Whale falls
    C. Bacteria
    (this multiple choice question has been scrambled)
  7. How much of the world’s table salt is produced by the evaporation of seawater?
    A. One half
    B. One quarter
    C. One third
    D. Three-quarters
    C. One third
    (this multiple choice question has been scrambled)
  8. What is the second most valuable marine resource?
    A. Salt
    B. Gas
    C. Gravel
    D. Oil
    C. Gravel
    (this multiple choice question has been scrambled)
  9. What is the main species of whale targeted by the Japanese and Norwegian whalers?
    A. Fin whales
    B. Humpback whales
    C. Minke whales
    D. Sei whales
    C. Minke whales
    (this multiple choice question has been scrambled)
  10. What kind of resource is waste disposal?
    A. Physical resource
    B. Biological resource
    C. Marine energy resource
    D. Extractive resource
    E. Nonextractive resource
    E. Nonextractive resource
    (this multiple choice question has been scrambled)
  11. What is bycatch?
    A. The number of organisms caught in a trawl
    B. The targeted organisms for a harvest
    C. Organisms unintentionally killed during the harvesting of a different, desirable species
    D. The number of organisms that can be harvested without impairing future generations
    C. Organisms unintentionally killed during the harvesting of a different, desirable species
    (this multiple choice question has been scrambled)
  12. Who is responsible for the consumption of approximately a quarter of the global oil supply?
    A. United States
    B. United Kingdom
    C. China
    D. India
    A. United States
    (this multiple choice question has been scrambled)
  13. Many harvested marine animals are sustainable because they are being caught below the maximum sustainable yield.
    True or False
    False
  14. Nonrenewable resources are unable to be replenished over short time spans. These resources include oil, gas, and solid mineral deposits.
    True or False
    True
  15. The motion of the waves can be used to generate energy.
    True or False
    True
  16. Algin is a biological resource extracted from seaweed and is an important commercial product used:
    A. to clarify beer and/or wine
    B. to stiffen fabrics
    C. as a thickener or emulsifier
    D. to prevent large crystals in ice cream
    E. all of the choices
    E. all of the choices
    (this multiple choice question has been scrambled)
  17. Of the top five fish-harvesting nations, which one catches the most?
    A. United States
    B. Peru
    C. China
    D. Chile
    E. Indonesia
    C. China
    (this multiple choice question has been scrambled)
  18. A mid-water trawl net is large enough to:
    A. none of the choices
    B. encircle theHimalayas
    C. hold one dozen 747 jet liners
    D. enclose the grand canyon
    C. hold one dozen 747 jet liners
    (this multiple choice question has been scrambled)
  19. An unintentional but unavoidable consequence of drift net fishing is the drowning of larger non-target species such as sea lions, sharks, and other large animals.
    True or False
    True
  20. Archaean organisms can be used in detergents.
    True or False
    True

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