The fertility level of any soil is generally determined by:

Related Mcqs:

1. Fertility of soil is measured by its ability to:

   A. Hold organic matter
   B. Hold water
   C. Support life
   D. Retain nutrients

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. In dry farming initially the fertility of the land can be increased by:

   A. Agrostology
   B. Basin listing
   C. Growing grazing fields
   D. Animal husbandry

4. The term sub-soil generally refers to:

   A. Horizon-C
   B. Horizon-A
   C. Horizon-R
   D. Horizon-B

5. Over-all mineral level of soil recedes due to:

   A. Leaching only
   B. Utilization by plants
   C. Both (a) & (b)
   D. Chemical reactions

6. 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

7. 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%

8. 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

9. 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

10. Measurement of age is normally determined by:

    A. From record
    B. From general appearance
    C. From branch whorls
    D. From annual rings
    E. All of the above