Survey conducted by WAPDA has revealed that 2.0 M ha of land have become severely waterlogged affecting a population of million:

Related Mcqs:

1. The reservoir of Mangla is being silted at the rate of 48.27 million m3 per year and that of Tarbela at the rate of _____ million cubic meters per year:

   A. 160.5
   B. 167.75
   C. 170.6
   D. 175.8

2. Of the ________ million ha area under cultivation, 15.62 million ha area (76%) is under irrigation:

   A. 21
   B. 22
   C. 23
   D. 24

3. Agriculture is the major land-use in Pakistan. The cultivable area is _____ million ha. i.e. 36.7% of total area:

   A. 32.23
   B. 33.3
   C. 35.4
   D. None of these

4. Land -use pattern, is, however, available only for _____ million ha (67.7% of total):

   A. 28.43
   B. 29.5
   C. 30.55
   D. None of these

5. Land utilization – the country occupies an area of ____ million ha.

   A. 87.98
   B. 90.98
   C. 92.99
   D. None of these

6. Pakistan has a total livestock population of about 100 million heads, composed primarily of ______:

   A. Goats
   B. Sheep
   C. Cattle
   D. Buffaloes
   E. All of the above

7. At present ______ population is living in the watershed areas and are converting forest into agriculture land for food production:

   A. 50-80%
   B. 55-85%
   C. 60-90%
   D. 65-95%

8. Factor affecting wood measurement is / are:

   A. Saw thickness (Kerf)
   B. Thickness of timber
   C. The minimum length of sawn pieces, the more conservation and less wastage
   D. Wider the log, the lesser the wastage
   E. All of the above

9. When one organism is benefited without affecting the other, it is called:

   A. Parasitism
   B. Commensalism
   C. Saprophytism
   D. Symbiosis

10. Habitat destruction is the indirectly acting factor while _____ hunting are the main direct human factors affecting wildlife populations:

    A. Legal
    B. Illegal
    C. Both (a) & (b)
    D. None of these