The storage capacity of a soil equals:

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. Field capacity is the extent to which a soil can hold:

   A. Gravitational water
   B. Capillary water
   C. Hygroscopic water
   D. Capillary water plus hygroscopic water

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. At which latitude, heat grain through insolation approximately equals heat loss through terrestrial radiation?

   A. 42 1/2? North and South
   B. 22 1/2? North and South
   C. 60? North and South
   D. 40? North and South

8. Storage of seeds include:

   A. Well-ventilated
   B. No dampness
   C. Protection from rodents and insects
   D. All of the above

9. Storage of seeds include:

   A. Well-ventilated
   B. No dampness
   C. Protection from rodents and insects
   D. All of the above

10. In cold storage the best temperature of storing seed of most species lies between ______.

    A. 3
    B. 2
    C. 4
    D. None of these