Copy Of Practice Test Chapter 1

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Quizzes Created: 1 | Total Attempts: 57
Questions: 16 | Attempts: 57

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Copy Of Practice Test Chapter 1 - Quiz


Questions and Answers
  • 1. 

    What are some current threats to soil? 

  • 2. 

    In the movie Dirt! what are some things soil was used for? 

  • 3. 

    Another name for the B Horizon is topsoil 

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The B Horizon, also known as the subsoil, is not another name for topsoil. Topsoil refers to the uppermost layer of soil, while the B Horizon is a distinct layer beneath it. Therefore, the statement that another name for the B Horizon is topsoil is false.

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  • 4. 

    Another name for the A Horizon is subsoil 

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The A Horizon is actually known as topsoil, not subsoil. Subsoil is the layer beneath the topsoil, and it typically contains less organic matter and nutrients compared to the topsoil. The A Horizon is the uppermost layer of soil, rich in organic matter and minerals, and is where most plant roots are found.

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  • 5. 

    The C Horizon is made up of bedrock 

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The C Horizon is the deepest soil layer, also known as the parent material. It consists of partially weathered bedrock and is the layer from which the upper soil layers are formed. The bedrock in the C Horizon is typically solid and unweathered, providing a stable foundation for the soil above it. Therefore, the statement "The C Horizon is made up of bedrock" is true.

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  • 6. 

    The pH scale is used to measure how salty soil is 

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The pH scale is actually used to measure the acidity or alkalinity of a substance, not its saltiness. Salinity is typically measured using electrical conductivity or by directly measuring the concentration of salts in the soil. Therefore, the statement that the pH scale is used to measure how salty soil is, is false.

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  • 7. 

    Soil rich in humus has high fertility 

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Humus is the organic component of soil that is formed by the decomposition of plant and animal matter. It is rich in nutrients, such as nitrogen, phosphorus, and potassium, which are essential for plant growth. Therefore, soil that is rich in humus has a high fertility level as it provides the necessary nutrients for plants to thrive.

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  • 8. 

    A mixture is two or more substances that are mixed together but not chemically combined

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement accurately defines a mixture as a combination of substances that are not chemically combined. In a mixture, the substances retain their individual properties and can be separated through physical means. This is in contrast to a chemical compound, where the elements are chemically bonded and cannot be easily separated. Therefore, the answer "True" is correct.

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  • 9. 

    What makes up soil besides rock particles, minerals, air, and water

    • A.

      Carbonic acid

    • B.

      Acid rain

    • C.

      Oil 

    • D.

      Decayed organic material 

    Correct Answer
    D. Decayed organic material 
    Explanation
    Soil is composed of various components, including rock particles, minerals, air, and water. In addition to these, decayed organic material also makes up soil. This organic material comes from the decomposition of plants, animals, and other organic matter. As these materials break down, they release nutrients that are essential for plant growth and contribute to the overall fertility of the soil. Therefore, decayed organic material is an important component of soil composition.

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  • 10. 

    Which soil particle has the largest size 

    • A.

      Sand

    • B.

      Silt 

    • C.

      Gravel

    • D.

      Clay

    Correct Answer
    C. Gravel
    Explanation
    Gravel has the largest size among the given soil particles. Gravel particles are larger than sand, silt, and clay particles. Gravel is classified as a coarse-grained soil and typically consists of rock fragments between 2 to 64 millimeters in diameter. It is commonly used in construction and landscaping due to its drainage properties and stability.

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  • 11. 

    Which one do you like?

    • A.

      Option 1

    • B.

      Option 2

    • C.

      Option 3

    • D.

      Option 4

    Correct Answer
    A. Option 1
  • 12. 

    The removal of what natural resource leads to the destruction of mountain tops and the loss of topsoil?

    • A.

      Coal

    • B.

      Oil

    • C.

      Water

    • D.

      Salt

    Correct Answer
    A. Coal
    Explanation
    The removal of coal leads to the destruction of mountain tops and the loss of topsoil. Coal mining often involves mountaintop removal, a process where the top layers of soil and rock are removed to access the coal seams underneath. This process not only destroys the natural landscape of the mountains but also results in the loss of valuable topsoil, which is crucial for plant growth and ecosystem stability. Additionally, the removal of coal can also lead to water pollution and other environmental impacts.

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  • 13. 

    Select the ones you like

    • A.

      Option 1

    • B.

      Option 2

    • C.

      Option 3

    • D.

      Option 4

    Correct Answer
    A. Option 1
    Explanation
    The answer is Option 1 because it is the only option that is selected. The question asks to select the ones you like, and since only Option 1 is chosen, it is the correct answer.

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  • 14. 

    Scientists infer that ancient geological features formed through the same processes that they observe today based on the principle of ________

    Correct Answer
    uniformitarianism
    Explanation
    Scientists infer that ancient geological features formed through the same processes that they observe today based on the principle of uniformitarianism. This principle suggests that the same natural laws and processes that are currently operating on Earth have also operated in the past. By studying the geological features and processes occurring today, scientists can make inferences about how similar features may have formed in the past. This principle allows scientists to understand the Earth's history and make predictions about future geological events.

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  • 15. 

    ________________

    Correct Answer
    The release of [Blank] from a rock is one example of an agent of mechanical weathering.
    pressure
  • 16. 

    ________________

    Correct Answer
    During iron combines with oxygen in the presence of water to form rust.
    oxidation

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  • Current Version
  • Mar 18, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 11, 2019
    Quiz Created by
    Jessie
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