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Ag 101
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Environmental Impacts of Animal Feeding Operations Study Questions

Identify the definition that best fits the following terms:

  1. What are some of the positive environmental benefits of production agriculture?

    Improved soil quality
    Carbon repository
    Reduced storm runoff
    Ground water recharge
    All of the above
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  2. USDA estimates that manure phosphorous exceeds crop needs in what percent of U.S. countries?
    0%
    15%
    30%
    45%
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  3. What is the common name for the class of production agricultural plants that do not need commercial nitrogen fertilizer?
    N Converters
    Maize
    Legumes
    Algae
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  4. If biodegradable organic matter is added to a stream, fish kills most often result from:
    Lack of oxygen
    Turbulence
    Lack of visibility
    Build up of sludge deposits
    Feedback

  5. Most manure spills that enter streams result from:
    Pastured animals with stream access
    Rupture of manure storage
    Improper land application of manure
    Damage to manure transfer or irrigation pipes
    Feedlot runoff from animal area
    All of the above
    Feedback

  6. Nitrogen gas (N2) account for ___________ % of the atmosphere?
    0%
    24%
    62%
    78%
    92%
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  7. Nitrogen in manure can take many chemical forms. Which of the following is NOT included?
    Nitrogen gas
    Organic nitrogen
    Catatonic nitrogen
    Ammonia
    Ammonium
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  8. Which nutrient in runoff from agricultural land has been blamed for the hypoxia problem in the Gulf of Mexico?
    Phosphorous
    Chlorine
    Sulfur
    Nitrogen
    Soil erosion
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  9. Which of the forms of nitrogen are volatile?
    NH3
    NO3
    NO2
    NH4
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  10. High nitrate levels in drinking water can lead to the following serious condition in infants:

    "Green baby syndrome"
    Headaches
    Methemoglobinemia
    Colic
    Alzheimer's

    Feedback

  11. The most important method of reducing phosphorous entering streams is:
    Placing riprap along edge of stream
    Preventing soil erosion
    Improving field drainage
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  12. Which of the following is NOT a significant source of air emissions around a livestock or animal production operation?
    Feed processing
    Land application of manure
    Animal production lots and buildings
    Manure Storage
    Feedback


Score in Percentage:

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