Sulphur is returned to the soil by:

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 SO2 is returned to the atmosphere by:

   A. Metabolism of producers
   B. Metabolism of consumers
   C. Both (a) & (b)
   D. Combustion of fuel

3. In water logged soil plants cannot grow properly because the soil is:

   A. Physiologically wet
   B. Physiologically dry
   C. Physically dry
   D. None of the above

4. 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%

5. 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

6. When a soil has been thoroughly wetted and then allowed to drain until capillary movement of the water has stopped, the water content of the soil will give an estimate of it’s:

   A. Gravitational water
   B. Capillary water
   C. Field capacity
   D. Storage capacity

7. The major types of soil are recognized on the basis of their mode of accumulation and include:

   A. Residual
   B. Transported
   C. Colluvial
   D. Alluvial
   E. All of the above

8. Soil water depicts:

   A. Gravitational
   B. Capillary
   C. Hygroscopic
   D. All of the above

9. The Organic contents of soil are:

   A. Humus
   B. Mull
   C. Peat and Much
   D. All of the above

10. Accelerated soil erosion factors are:

    A. Soil erosion by water
    B. Soil erosion by wind
    C. Both (a) & (b)
    D. None of these