Jana's Soil Quiz

12 Questions | Total Attempts: 253

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Jana

Jana's soil quiz review


Questions and Answers
  • 1. 
    The loose, weathered material on Earth's surface in which plants can grow.
    • A. 

      Soil

    • B. 

      Bedrock

    • C. 

      Humus

    • D. 

      Loam

    • E. 

      Soil Horizon

  • 2. 
    This forms as rock is broken down by weathering and mixes with other materials on the surface.
    • A. 

      Soil

    • B. 

      Bedrock

    • C. 

      Humus

    • D. 

      Loam

    • E. 

      Soil Horizon

  • 3. 
    The solid layer of rock beneath the soil.
    • A. 

      Humus

    • B. 

      Bedrock

    • C. 

      Loam

    • D. 

      Litter

    • E. 

      Topsoil

  • 4. 
    This is a mixture of rock particles, minerals, decayed organic material, air and water.
    • A. 

      Soil

    • B. 

      Loam

    • C. 

      Litter

    • D. 

      Topsoil

    • E. 

      Subsoil

  • 5. 
    A dark-colored substance that forms as plant and animal remains decay.
    • A. 

      Litter

    • B. 

      Subsoil

    • C. 

      Topsoil

    • D. 

      Humus

    • E. 

      Loam

  • 6. 
    A soil that is made up of about equal parts of clay, sand and silt.
    • A. 

      Humus

    • B. 

      Loam

    • C. 

      Bedrock

    • D. 

      Topsoil

    • E. 

      Bedrock

  • 7. 
    A layer of soil that differs in color and texture from the layers above or below it.
    • A. 

      Topsoil

    • B. 

      Bedrock

    • C. 

      Humus

    • D. 

      Loam

    • E. 

      Soil horizon

  • 8. 
    A crumbly, dark brown soil that is a mixture of humus, clay and other minerals.
    • A. 

      Topsoil

    • B. 

      Subsoil

    • C. 

      Humus

    • D. 

      Loam

    • E. 

      Litter

  • 9. 
    This consists of clay and other particles washed down from the A horizon, but little humus.
    • A. 

      Topsoil

    • B. 

      Subsoil

    • C. 

      Litter

    • D. 

      Soil

    • E. 

      Decomposers

  • 10. 
    Some soil __________________________ mix the soil and make spaces in it for air and water.  Other soil ___________________________ make humus, the material that makes soil fertile.
    • A. 

      Litter

    • B. 

      Subsoil

    • C. 

      Topsoil

    • D. 

      Organisms

    • E. 

      Humus

  • 11. 
    As plants shed leaves, they form a loose layer called this.
    • A. 

      Topsoil

    • B. 

      Soil

    • C. 

      Loam

    • D. 

      Humus

    • E. 

      Litter

  • 12. 
    The organisms that break the remains of dead organisms into smaller pieces and digest them with chemicals.
    • A. 

      Producers

    • B. 

      Decomposers

    • C. 

      Litter

    • D. 

      Scavengers

    • E. 

      Humans