Water-logging is a serious problems, with water-table within _____ over the greater part of the area:

Related Mcqs:

1. Plants die from prolonged water logging because:

   A. Soil nutrients become very dilute
   B. Root respiration stops
   C. Nutrients leach down due to excessive water
   D. Cell sap in plant becomes too dilute

2. Water logging occurs:

   A. In sandy soil
   B. On gravels
   C. In loamy soil
   D. In clay soil

3. Logging means:

   A. It is an operation comprising felling of trees, limbing, bucking and transportation of the resulting product out of forest to the point of its end use
   B. It is process of watering the forest
   C. Both (a) & (b)
   D. None of these

4. Logging is effected by:

   A. Terrain
   B. Lean of trees
   C. Defect
   D. Wind fallen trees
   E. All of the above

5. Realising the need for a better management policy for wildlife, a high powered Wildlife, a high powered Wildlife Enquiry Committee, constituted by the Government of Pakistan presented their (draft) report in 1970, following which all the provinces and administrative unit promulgated their own Wildlife Act within administrative units promulgated their own Wildlife Act within a span of two years _______

   A. 1974 and 1975
   B. 1975 and 1976
   C. 1976 and 1977
   D. None of these

6. For instance consumptive use of water by tamrix is 22 to 28,000 m3/ha/annum while that of willows and poplars is 7,700 to 13,500 and _____

   A. 6,500 to 23,00 m3
   B. 5,500 to 20,500 m3
   C. 4,500 to 18,500 m3
   D. None of these

7. The number of trees required as a basis for a satisfactory table depends upon:

   A. The grouping adopted
   B. The precision required
   C. The deviations of individuals tree volumes from the means in each group
   D. All of the above

8. Yield table is / are:

   A. A tabular statement of the volume
   B. Per acre and other stand data for even-aged stands of trees at different ages and site qualities
   C. Both (a) & (b)
   D. None of these

9. A yield table for any species gives the following information on per acre basis for different site qualities and at various ages of crops:

   A. Age (5, 10, 15, 20 or 25 years)
   B. Main crop
   C. Thinning
   D. Final yield
   E. All of the above

10. From yield table we determine:

    A. Future increment of even aged crop can be from valid yield table
    B. Under stocked stands tend to approach fully stocked stands with increase in age, though more rapid growth than the latter
    C. Both (a) & (b)
    D. None of these