In land capability classification, class I-Iv are suitable for:_________?

Related Mcqs:

1. Almost one third of the land area through out the world is affected by land degradation. Pakistan’s agriculture sector though facilitates employment to >65% but is facing challenges from:

   A. Erosion
   B. Salinity
   C. Waterlogging
   D. All of the above

   Submitted by: Shafiq-ur-Rehman

2. The most suitable species for reclamation of sandy soils is:_________?

   A. Casuarina equiselifolia
   B. Acacia spp
   C. Azadirachta indica
   D. All of the above

   Submitted by: Shafiq Rehman

3. Combination of soil genesis and classification is collectively called_________?

   A. Edaphology
   B. Pedology
   C. Poly pedology
   D. None of the above

   Submitted by: Shafiq Rehman

4. Systematic examination of soil in the field and laboratories, their description and grouping according to classification system:

   A. Reconnaissance survey
   B. Detailed soil survey
   C. Soel survay
   D. The answer of statement is not in options

   Submitted by: Shafiq Rehman

5. Erosion permitting and erosion resisting crops grow alternatively at right angle to the slope of the land is called as:_________?

   A. Linear planting
   B. Strip planting
   C. Cover planting
   D. All of the above

   Submitted by: Shafiq Rehman

6. Which soil is suitable for nce________________?

   A. Fine textured
   B. Coarse textured
   C. Sandy
   D. None of the above

7. The suitable species for reclamation of saline & sodic soil is:__________?

   A. Casuarina equisetifolia
   B. Albizia lebbeck
   C. Both A & B
   D. None of the above

   Submitted by: Shafiq Rehman

8. The EC: SAR and RSC values suggested by WAPDA for 3rd class irrigation water(C,S,R,) are____________________?

   A. ECi:<1.5, SAR < 10 & RSC< 2.5
   B. ECi:>1.5, SAR > 10 & RSC> 2.5
   C. ECi:>1.5, SAR 2.5
   D. Both a & b

9. The wearing away of the land surface by wind, water, ice or other geological agents is called____________________?

   A. Seepage
   B. Soil erosion
   C. Soil contamination
   D. All the above

10. According to a latest research, Pakistan is predominantly a dryland country; 80% of its land area is arid and semi arid, 12% sub-humid and 8% under humid climate. Thus , soils of arid & semi-arid regions are vulnerable to a wide range of degradation process. As the case in arid and semi-arid climates elsewhere in south-central/southern Asia and Sub-Saharan Africa; _________________ are among the major causes of soil degradation and desertification?

    A. Drought stress
    B. Accelerated erosion & salinization
    C. Depletion of soil fertility and SOM
    D. All of the above

    Submitted by: Shafiq Rehman