The following types of check dams have been tried in Pakistan:

Related Mcqs:

1. following are types of weathering:

   A. Geo chemical weathering
   B. Judo weathering
   C. Pedo chemical weathering
   D. both a and c

   Submitted by: Shafiq Rehman

2. Following are types if erosion:

   A. Rain splash & sheet erosion
   B. Rill & Gully erosion
   C. Normal (geological) erosion & Accelerated erosion
   D. All of these

   Submitted by: Shafiq Rehman

3. The major soil fertility problems in Pakistani soils deficiencies of N, P and Zn. Deficiencies K, Fe, and B also occur in specific crop genotypes or soil types, while deficiencies of S, Cu, and Mn are negligible. however, the common nutrient deficiencies are_________________: and some micronutrients including Mo?

   A. N, P, K
   B. Ca, Mg, S
   C. both A & B
   D. The above statement is wrong

   Submitted by: Shafiq Rehman

4. The relative abundance of three types of rocks ( igneous-metamorphic- sedimentary) in the earth’s crust is_________?

   A. 12.5 % -12.5 % – 75%
   B. 64.7 % – 27.4 % – 7.9 %
   C. none of A & B
   D. 7.9% – 27.7 % – 64.4

   Submitted by: Shafiq Rehman

5. Each layer of phyllosilicates is composed of two types of sheets:

   A. Tetrahedral sheet
   B. Triple octahedral sheet
   C. Octahedral sheet
   D. Both A & C

   Submitted by: Shafiq Rehman

6. In Pakistan there is general deficiency of rainfall. It varies from 125 mm annually in upper Sindh to about 900 mm in the sub-mountainous of northern Pakistan. In Balochistan the mean annual rainfall is about 200 mm, diminishing to ________ mm in the desert of Kharan:

   A. 100 mm
   B. >70 mm
   C. <50 mm
   D. None of these

   Submitted by: Shafiq Rehman

7. In Pakistan, The following igneous rocks are found over considerable areas:

   A. Marl, gypsum
   B. Slate, Shist
   C. Dolomite shale, gneiss
   D. None of the above

   Submitted by: Shafiq Rehman

8. Which of the following is not the soil order prevail in Pakistan?

   A. Aridisols
   B. Alfisols
   C. Mollisols
   D. None of the above

   Submitted by: Shafiq Rehman

9. According to one estimate, wind and water erosion over ______ % of the Pakistan’s total area?

   A. 46%
   B. 36%
   C. 76%
   D. None of the above

   Submitted by: Shafiq Rehman

10. Peat soils are not present in Pakistan because these are formed in___________?

    A. Cool climate
    B. Acidic conditions
    C. both A & B
    D. None of the above

    Submitted by: Shafiq Rehman