Quiz  /  Soil

  • 1. 
    What is soil made of?

  • Minerals
  • Decayed plants
  • Rocks
  • All of the above

  • 2. 
    What important soil measurement determines how much water it can hold?

  • Color
  • Texture
  • Consistency
  • Temperature

  • 3. 
    What is another name for the layers of soil?

  • Blocks
  • Horizons
  • Levels
  • Stories

  • 4. 
    What is the solid mass of rock below soil called?

  • Topsoil
  • Organic
  • Subsoil
  • Bedrock

  • 5. 
    What layer is considered the 'B' layer of soil?

  • Organic
  • Topsoil
  • Parent material
  • Subsoil

  • 6. 
    What layer is the primary layer of soil where plants and animals live?

  • Parent material
  • Topsoil
  • Subsoil
  • Organic

  • 7. 
    What layer is also called the humus layer and is made up of plant remains like leaves and twigs?

  • Parent material
  • Organic
  • Topsoil
  • Subsoil

  • 8. 
    What layer is called the 'C' horizon and is made up mostly of rocks?

  • Organic
  • Parent material
  • Topsoil
  • Subsoil

  • 9. 
    How does soil help in supporting life on Earth?

  • It helps recycle nutrients like carbon and nitrogen
  • Many plants grow in the soil
  • It filters the water
  • All of the above

  • 10. 
    True or False: Soil can be over-farmed to where crops can no longer grow in it.

  • TRUE
  • FALSE
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