Cc Environmental Science Quiz

20 Questions | Total Attempts: 279

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Cc Environmental Science Quiz

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Questions and Answers
  • 1. 
    Which of the following does NOT affect ocean currents?
    • A. 

      Marine organisms

    • B. 

      Position of the continents

    • C. 

      Atmospheric temperatures

    • D. 

      Prevailing winds

  • 2. 
    Which of the following statements about population ecology is TRUE?
    • A. 

      Population ecology only deals with declining populations that are in need of intervention in order to survive.

    • B. 

      Population ecology focuses on individuals and their interactions, but not the abiotic environment.

    • C. 

      Population ecology attempts to explain how and why the number of individuals in a given area changes over time.

    • D. 

      Population ecology is not important to scientists in applied disciplines, such as wildlife management.

  • 3. 
    Which of the following greenhouse gases has no natural source?
    • A. 

      Carbon dioxide

    • B. 

      Chlorofluorocarbons

    • C. 

      Nitrous oxide

    • D. 

      Methane

  • 4. 
    Subduction occurs:
    • A. 

      When one tectonic plate slides underneath another.

    • B. 

      Due to mining activities.

    • C. 

      Because of the Coriolis effect.

    • D. 

      On the leeward side of a mountain.

  • 5. 
    Which of the following would be a symptom of acute toxicity?
    • A. 

      Asthma

    • B. 

      Arthritis

    • C. 

      Cancer

    • D. 

      Dizziness

  • 6. 
    Why are urban areas more likely to flood after heavy precipitation than undeveloped areas?
    • A. 

      Buildings and paved roads don’t absorb water, so run off is significantly greater in developed areas

    • B. 

      Precipitation is usually greater in urbanized areas than in natural areas due to heat islands.

    • C. 

      Urbanized areas are almost always built on floodplains and hence are more prone to flooding.

    • D. 

      Most urban areas don’t have adequate sewer systems to handle the rain.

  • 7. 
    The number of different species in a community describes its
    • A. 

      endemic species.

    • B. 

      Threatened species

    • C. 

      Species richness.

    • D. 

      invasive species.

    • E. 

      Ecosystem services

  • 8. 
    Biological diversity is the
    • A. 

      Change in species occurring in transitional zones between communities.

    • B. 

      number and variety of ecosystems in the biosphere.

    • C. 

      Environmental benefits species provide in a community.

    • D. 

      Number of different ecosystem services.

    • E. 

      Number and variety of Earth’s organisms.

  • 9. 
    Which of the following is an example of a biotic component of an ecosystem?
    • A. 

      The climate

    • B. 

      A community

    • C. 

      Water

    • D. 

      Synthetic pesticides

  • 10. 
    The ability to meet humanity’s current needs without compromising the ability of future generations to meet their needs is termed:
    • A. 

      ecology

    • B. 

      Environmental sustainability

    • C. 

      Environmental ethics

    • D. 

      Environmental law

  • 11. 
    Volcanoes are commonly found:1. above hot spots.2. where land masses on two different plates come together.3. along subduction zones. 
    • A. 

      1 only

    • B. 

      2 only

    • C. 

      3 only

    • D. 

      1 and 3

  • 12. 
    What is landscape ecology?
    • A. 

      the study of human-designed communities.

    • B. 

      The study of the influences of pollution on natural ecosystems.

    • C. 

      A science exclusively concerned with terrestrial ecosystems.

    • D. 

      The study of the connections among various ecosystems.

  • 13. 
    What are the three main ecological categories of organisms found in aquatic ecosystems?
    • A. 

      Plankton, nekton, fish

    • B. 

      Plankton, benthos, littoral

    • C. 

      Plankton, nekton, benthos

    • D. 

      Benthos, mangal, littoral

  • 14. 
    Which of the following statements about extinction is false?
    • A. 

      Extinction is the elimination of a species from Earth.

    • B. 

      Background extinction eradicates a large number of species during a relative short period of geologic time.

    • C. 

      Mass extinctions have occurred 5-6 times throughout Earth’s history.

    • D. 

      Extinction rates are accelerated by human activities.

    • E. 

      The present extinction rate is 100-1,000 times the background rate.

  • 15. 
    For a population to live within the limits of its environment which of the following must occur?1 Population growth must be held to a level that is sustainable2 Resource consumption must be decreased3 Quality of life must be lowered4 Degree of affluence must be maintained5 Environmental degradation must be reduced
    • A. 

      1,2, and 4

    • B. 

      2,3 and 5

    • C. 

      1,2, and 5

    • D. 

      3,4, and 5

    • E. 

      1 and 2

  • 16. 
    Industrialized agriculture’s increased use of pesticides over the past years is resulting in
    • A. 

      fewer insects and weeds developing resistance to pesticides.

    • B. 

      More insects and weeds developing resistance to pesticides.

    • C. 

      More beneficial microorganisms in the soil

    • D. 

      More biodiversity of fish and other aquatic organisms not affected by the pesticides.

    • E. 

      Farmers applying progressively smaller quantities of pesticides.

  • 17. 
    Temperatures in parts of Great Britain are significantly warmer than parts of Canada at that same latitude because of what phenomenon? 
    • A. 

      An enhanced greenhouse effect.

    • B. 

      Because it is an island buffered by ocean water.

    • C. 

      The ocean conveyor belt

    • D. 

      ENSO conditions.

  • 18. 
    What accounts for the highest percentage of the world’s total water consumption?
    • A. 

      Industry

    • B. 

      Domestic and municipal use

    • C. 

      Recycling

    • D. 

      Irrigation

  • 19. 
    Why is carbon dioxide considered a greenhouse gas?
    • A. 

      It is released when fossil fuels are burned.

    • B. 

      It is part of the carbon cycle, which is also known as the greenhouse cycle.

    • C. 

      It can absorb infrared radiation.

    • D. 

      It is responsible for protecting organisms from UV radiation.

  • 20. 
    Even if all burning of fossil fuels was stopped today, why will temperatures continue to increase?
    • A. 

      Fossil fuel emissions are not responsible for the enhanced greenhouse effect.

    • B. 

      Greenhouse gases remain in the atmosphere for many years.

    • C. 

      Deforestation must also be stopped in order for temperatures to decline.

    • D. 

      Increased methane emissions will more than make up for the difference.

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