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Watershed Management Exam Questions And Correct Answers
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Watershed Management Exam Questions And CorrectAnswers 2024-2025
The services flowing from natural ecosystems are usually assigned dollar values in our
"market-based" economic system.
A. True
B. False - Answer B. False
Examples of ecosystem services include:
A. Aesthetic beautyl
B. Wild game
C. Pollination of crops
D. Cycling of nutrients
E. All of the above
F. c & d - Answer E. All of the above
Technical advances have heightened our awareness of the economic value of
ecosystem goods and services.
A. True
B. False - Answer B. False
Among the economically valued ecosystem goods is the annual world fish catch and
recreational sport fishery combined, which total approximately
A. 4.6 million dollars
B. 1 billion dollars
C. 46 billion dollars
D. 460 Million dollars - Answer C. 46 billion dollars
,Less than 5% of the world's energy consumption is supplied by fuelwood and other plant
material
A. True
B. False - Answer B. False
The availability of most natural products i.e. goods is in decline due to:
A. Over-consumption
B. Technology replacement
C. Climate change
D. Habitat conversion - Answer D. Habitat conversion
Biological diversity, or biodiversity, refers to the variety of life forms at all levels or
organization and is conveniently often quantified in terms of number of species.
A. True
B. False - Answer A. True
In the long run, we can rely on preservation efforts such as zoological breeding
programs, botanical gardens and legally protected reserves to sustain our earth's
biodiversity
A. True
B. False - Answer B. False
Extractions from the world's genetic library are fueling the biotechnology industry,
accounting for:
A. An increase of legal actions taken for stolen patented genetic strains of crops
B. An increase in crop production of 1%, valued at 1 million dollars
C. An increase in crop production of 1%, valued at 1 billion dollars
D. Farm-level sales of bioengineered ag products reaching 10 billion by turn of the
, century
E. a & c
F. c & d - Answer F. c & d
The commercial value of pharmaceuticals used in traditional medicine exceeds $40
billion/year, with 85% derived from plants
A. True
B. False - Answer A. True
Biological life plays an important role in regulating the earth's climate by:
A. Amplifying warming trends by accelerating microbial decomposition of dead matter
B. Prevent overheating by removing more of the greenhouse gas carbon dioxide as the
sun grows brighter
C. Destabilizing climatic cooling through increased runoff associated with increased
rainfall resulting in nutrient-enhanced growth of phytoplankton
D. All of the above - Answer D. All of the above
Transpiration, or the release of water vapor from the leaves, of plants in the morning
causes afternoon thunderstorms and thus an ecosystem can directly affect local
weather through physical means.
A. True
B. False - Answer A. True
Today, soil degradation induced by human activities afflicts nearly ______% of the earth's
vegetated surface.
A. 5
B. 75
C. 20
D. 50 - Answer C. 20
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