Practices for soil protection and flood control are:

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. Flood frequency analysis based on:

   A. Flood data of past is collected and arranged in descending order
   B. Ranking of observation is carried out
   C. Probability of occurrence of certain flood is known
   D. All of the above

3. The main causes of flood are:

   A. Local floods and their frequency is increased
   B. Denudation is watershed
   C. Compaction of soil and decrease in inf rate
   D. Rainfall pattern
   E. All of the above

4. Flood flow and frequency analysis are:

   A. Flood flower peak discharge: Max quality or height (stage) of water during a period
   B. Flood stage: High water level human property or which overflows the normal banks of a stream
   C. Both (a) & (b)
   D. None of these

5. 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

6. 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%

7. 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

8. 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

9. The framework for classification of Agroforestry System and practices are:

   A. Structure of the system (nature and arrangement of components)
   B. Function of the system (role and output of components)
   C. Socio-economic seals and management levels of the system
   D. All of the above

10. The Sind Wildlife Protection, Preservation, Conservation (Conservation and Management) Ordinance, _______ .

    A. 1970
    B. 1971
    C. 1972
    D. 1973