APES TEST-S2-C2
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kiani75
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24 QuestionsShow answers
  • Question 1
    60 seconds
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    Q.

    Which is NOT true of chicken and beef production?

    answer choices

    More than seven times as much grain is required to produce 1 kg of beef than 1 kg of poultry

    More than 1 calorie of energy is needed to produce 1 calorie of beef or chicken

    The energy content of 1 kg of beef is equal to the energy content of 1 kg of poultry.

    Grain fed poultry and cattle are both primary consumers.

    Energy subsidies for beef and poultry vary based on farm size.

  • Question 2
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    Q.

    Which is NOT an associated affect of raising animals for food?.

    answer choices

    . More people are fed using less energy than when raising crops for food.

    . Consumers of animal products are secondary ecological consumers.

    . A smaller portion of energy passes to the next level than is the case with crop food

    . More land is required per meat calorie consumed.

    Cost of food rises from an increase in farmer input, fuel input, and competition for grain.

  • Question 3
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    Q.

    Which is NOT true regarding of the mechanization of agriculture?

    answer choices

    The use of machines encourages farmers to grow several types of plants on a single farm

    There is an economic advantage to using machines when fuel prices are low.

    There is an economic advantage to using machines when cost of labor is high

    Staple crops such as beans and corn are more economically harvestable using machines.

    Mechanization allows farms to take advantage of economies of scale.


  • Question 4
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    Q.

    Which is NOT a disadvantage of monocropping?

    answer choices

    Erosion due to exposure of large areas of soil during planting

    Nutrition and pesticide needs do not change

    More vulnerable to pests that prefer a high concentration of food

    Loss of habitat for natural pest predators

    Reduction of productivity due to loss of nutrient-rich topsoil

  • Question 5
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    Q.

    After many years of applying a selective pesticide, a farmer notices that the applications seem less effective. What is the most likely explanation for this change?.

    answer choices

    The pesticide is fat soluble and has been bioaccumulating.

    New pest species are taking the place of those that have been exterminated.

    The farmer is not applying enough pesticide

    The target species has begun to evolve resistance.

    The pesticide needs to be fine-tuned for the target species.

  • Question 6
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    Q.

    Atrazine is chemical sprayed onto a golf course in order to prevent the spread of broadleaf weeds from emerging in the grass. Atrazine is

    answer choices

    . a synthetic fertilizer

    an herbicide.

    an insecticide

    an organic fertilizer

    a genetically modified crop

  • Question 7
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    Q.

    Research indicates that genetically modified crops can influence an environment’s ________ by competing with or reproducing with native crops.

    answer choices

    a. biodiversity

    waterlogging

    salinization

    natural herbicides

    synthetic fertilizer


  • Question 8
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    Q.

    Which is NOT a negative impact of concentrated animal feeding operations (CAFOs)?

    answer choices

    High concentrations of animal waste

    Increase in nutrients in stormwater runoff

    Increase in sediments in stormwater runoff

    More land used than in other types of animal farming

    Increase in strains of antibiotic resistant microorganisms

  • Question 9
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    Q.

    Turtle excluder devices allow sea turtles to pass safely through nets used to catch shrimp. These special nets are

    answer choices

    a bycatch reduction device

    required by the Endangered Species Act

    required by the Farm Bill of 1990

    a way to manage fisheries for collapse

    required by the Sustainable Fisheries Act.

  • Question 10
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    Q.

    Which statement about sustainable agriculture is NOT true?

    answer choices

    Sustainable agriculture is often based on traditional agriculture techniques

    Sustainable agriculture emphasizes long-term use of the land.

    Because sustainable agriculture is labor intensive, it is expensive in areas with high labor costs.

    Sustainable agriculture does not take into account the economic viability of the farmer.

    Sustainable agriculture uses techniques to protect soil substrate and nutrients.

  • Question 11
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    Q.

    Farmers use various methods of irrigation on crops. Which of the following statements correctly pairs an irrigation method with an advantage or disadvantage?

    answer choices

    Drip irrigation is readily used in large-scale farming because of the low cost associated with this method.

    Furrow irrigation is a method in which farmers plant two different types of crops in alternating strips which increases productivity.

    Flood irrigation is often used in agricultural fields, however, it increases surface erosion and salinization of the soil

    Spray irrigation loses the least amount of water to evaporation.

  • Question 12
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    Q.

    The development of dangerous strains of disease organisms represents a significant consequence of which of the following agricultural practices?

    answer choices

    Using herbicides in mechanized, large-scale grain farming

    Growing crops that are genetically modified for increased yields

    Incorporating antibiotics into the feeding regimens of densely concentrated livestock

    Including the use of legumes into crop rotation protocols

  • Question 13
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    Q.

    Which of the following describes a fundamental characteristic of the green revolution in food resources?

    answer choices

    The application of higher levels of organic fertilizers to increase rice production

    The addition of calorie, fat, and fiber percentage to the information provided on food package labels

    Deforestation to provide field crops with increased sunlight for photosynthesis

    The development of new strains of crops with higher yields

  • Question 14
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    Q.

    Which of the following is an environmental problem associated with abandoned coal mines?

    answer choices

    Thermal pollution of streams in the area

    Air pollution caused by smog from ozone formation

    Acid drainage due to leaching of spoil heaps by rainwater

    Alkaline solutions that pollute streams

  • Question 15
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    Q.

    An insect population in an agricultural field is affected by monthly applications of a pesticide, as shown in the graph above. A likely cause of the overall increase in the insect population over time is

    answer choices

    an increase in the population of insect predators

    an increase in average temperature over the summer

    an increase in soil salinity

    the survival of increasing numbers of resistant insects


  • Question 16
    60 seconds
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    Q.

    Mineral nutrients are present primarily in the

    answer choices

    A horizon, the zone of eluviation

    C horizon, the parent rock

    B horizon, the subsoil

    B horizon, the topsoil

    E horizon, the zone of leaching.

  • Question 17
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    Q.

    Which is NOT a characteristic of metamorphic rocks?

    answer choices

    They are formed when other rock is subjected to high temperature.

    They include marble and slate.

    They are structurally very strong.

    They are formed by compression by overlying sediments.

    They can result from exposure to tectonic forces.

  • Question 18
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    Q.

    Urban blight can best be described as the result of

    answer choices

    a positive feedback loop involving the migration of goods and services away from an urban center

    a negative feedback loop involving the migration of goods and services toward an urban center.

    a negative feedback loop involving the migration of goods and services away from an urban center.

    a positive feedback loop involving tax revenue used to build roads which leads to urban exodus.

    a positive feedback loop involving the migration of goods and services toward an urban center.

  • Question 19
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    Q.

    Cation exchange capacity in clay

    answer choices

    is high, meaning that it retains water efficiently.

    is high, meaning that it adsorbs and releases positively charged ions.

    is low, meaning that it releases ions with a negative charge.

    is low, meaning that it cannot adsorb positively charged ions.

  • Question 20
    60 seconds
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    Q.

    The infiltration of pollutants into groundwater

    answer choices

    is rare in areas with sandy soils because water flows through these soils easily.

    is more likely in regions that contain basaltic bedrock.

    is common in areas with clay soils because water flows through these soils easily.

    is common in areas with sandy soils because water flows through these soils easily.

  • Question 21
    60 seconds
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    Q.

    Which material is best as a liner for a landfill?

    answer choices

    Clay

    Silt

    Sand

    Loam

  • Question 22
    60 seconds
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    Q.

    Cation exchange capacity in clay

    answer choices

    is high, meaning that it retains water efficiently.

    is high, meaning that it adsorbs and releases positively charged ions.

    is low, meaning that it releases ions with a negative charge.

    is low, meaning that it cannot adsorb positively charged ions.

  • Question 23
    60 seconds
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    Q.

    According to the World Health Organization, a person is obese if that person is

    answer choices

    50 percent above ideal weight.

    20 percent below ideal weight.

    5 percent above ideal weight.

    20 percent above ideal weight.

  • Question 24
    60 seconds
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    Q.

    Which is NOT a function of soil?

    answer choices

    Filters water and atmospheric chemical compounds

    Binds with greenhouse gases

    Provides a habitat for organisms

    Offers a location for recycling organic matter

    Provides an anchor for plants

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