Soils

12 Questions | Total Attempts: 332

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Soils

Soil orders


Questions and Answers
  • 1. 
    Which soil has a layer of permafrost?
    • A. 

      Spodosol

    • B. 

      Gelisol

    • C. 

      Alfisol

  • 2. 
    Which is the organic soil order?
    • A. 

      Histosol

    • B. 

      Oxisols

    • C. 

      Andisols

  • 3. 
    Which order is naturally infertile and acidic, usually supporting forests?
    • A. 

      Oxisols

    • B. 

      Aridisols

    • C. 

      Spodosols

  • 4. 
    What soil order is formed from volcanic ash?
    • A. 

      Andisols

    • B. 

      Spodosols

    • C. 

      Oxisols

  • 5. 
    Which soil order has low cation exchange capacity and an extremely low native fertility?
    • A. 

      Oxisols

    • B. 

      Vertisols

    • C. 

      Mollisols

  • 6. 
    Which soil order has shrink/swell capacity?
    • A. 

      Ultisols

    • B. 

      Vertisols

    • C. 

      Entisols

  • 7. 
    Which soil order is CaCO3 that has limited leaching and is mostly dry?
    • A. 

      Aridisols

    • B. 

      Spodosols

    • C. 

      Entisols

  • 8. 
    Which order is strongly leached and very acidic? They are found mostly in humid, tropical areas?
    • A. 

      Oxisols

    • B. 

      Vertisols

    • C. 

      Ultisols

  • 9. 
    This order has a mollic epipedon and is very productive.
    • A. 

      Mollisol

    • B. 

      Aridisol

    • C. 

      Gelisol

  • 10. 
    This order has relatively high native fertility and are moderately leached soils
    • A. 

      Alfisol

    • B. 

      Entisol

    • C. 

      Vertisol

  • 11. 
    This order has minimal horizon development (more than entisols) and are often found on fairly steep slopes.
    • A. 

      Vertisols

    • B. 

      Spodosols

    • C. 

      Inceptisols

  • 12. 
    This soils has very recent origin and is developed in unconsolidated parent material
    • A. 

      Entisols

    • B. 

      Vertisols

    • C. 

      Aridisols