Influence of soil and moisture conditions means:

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 soil moisture constants are:

   A. Hygroscopic co-efficient
   B. Water holding capacity
   C. Field Capacity
   D. All of the above

3. Forage yield of grass depends on soil moisture after burning. In wet areas when there is enough presipitation after burning, forage yield can be increased by ________

   A. 50 percent
   B. 60 percent
   C. 70 percent
   D. 80 percent

4. Conditions or factors which influence the crown closure is:

   A. Manner of formation of the stand
   B. Quality of soil
   C. Soil moisture
   D. All of the above

5. Hygrophytes (Moisture loving plants) means:

   A. The pants are usually stunted in growth
   B. Roots and stem are poorly developed
   C. Leaves are large and tend to avoid water less lam transpiration
   D. All of the above

6. Influence of climate means:

   A. It is not compulsory that within a local climatic area only a particular tree grows wel
   B. We know that southern aspects are hotter than northern aspects
   C. Both (a) & (b)
   D. None of these

7. 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

8. 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

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. 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