Effects/influences/functions of soil structure are:

Related Mcqs:

1. 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...

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

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

3. The major effects of soil organic matter are:

   A. Soil depth B. Climatic situation C. Both (a) & (b) D. None of these...

4. 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...

5. 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...

6. The factors governing the structure of soil are called:

   A. Topographic B. Temperature C. Biotic D. Edaphic climax...

7. Pollution of soil may destroy its structure and:

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

8. The influences of crown on trees is:

   A. Quality of bole or wood B. Volume production per unit area C. Control composition of species D. Regulate seeds and resin production E. All of the above...

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...