The factors governing the structure of soil are called:

Related Mcqs:

1. Removal of top soil by soil erosion result in the loss of soil:

   A. Nitrites
   B. Nitrates
   C. Nitrogen
   D. Nitric and nitrous acids

2. The major factors related to organizational structure are:

   A. One agency which is directly involved with the resources to be managed should be responsibly for plan development and implementation
   B. Planning for multi-resources should include input from all of the technical and social sectors from various agencies, local communities, etc.
   C. The project funding should be
   D. All of the above

3. Pollution of soil may destroy its structure and:

   A. Fertility
   B. Porosity
   C. Thickness
   D. Nitrates

4. The functions of soil structure are:

   A. Key to fertility of soil
   B. Important factor in soil erosion
   C. Both (a) & (b)
   D. None of these

5. The development of soil structure from single grained or massive states conditions:

   A. Single grained: Where each soil particles function as an individual e.g. Sandy soil
   B. Massive: Clay fills the spaces and pores so that the soil becomes dense and forms clods
   C. Both (a) & (b)
   D. None of these

6. The major types of soil structure are:

   A. Basis: The classification of soil structure is based on size shape and stability of soil aggregates. The soil aggregate may be of following forms
   B. Major shape: Spheroidal, plate like, bloke like, prism like
   C. Both (a) & (b)
   D. None of these

7. Effects/influences/functions of soil structure are:

   A. Water holding capacity
   B. Aeration
   C. Porosity
   D. Heat transfer
   E. All of the above

8. Hazards include all those factors that can injure or kill an animal (natural factors)

   A. Fire, rain and wind as well as man made structures such as roads and fences
   B. Thus challenging an animal’s physiological capacity as to prevent it from reproducing successfully
   C. Both (a) & (b)
   D. None of these

9. When a plant first begins to wilts permanently in a pot, its 54.5 gms of soil has 4.5 gms of water. The PWP of this soil is:

   A. 4.50%
   B. 9%
   C. 8.25%
   D. 16.50%

10. The ration of volume of pores in the soil to the total soil volume is referred to as:

    A. Pore frequency ratio
    B. Pore density ration
    C. Pore abundance ratio
    D. Pore space ratio