Although some acid soils do exist in the northern mountainous regions of Pakistan (Mansehra, Sawat, Dir). Almost all cultivated soils of the country are ________________, with high base saturation and low organic matter content (generally less than 1%)?

Related Mcqs:

1. Organic matter decomposes rapidly in Pakistani soils because of ____________ conditions, that is why our soils generally have < 1% organic matter:

   A. High temperature
   B. Alkaline
   C. Both a & b
   D. None of a & b

   Submitted by: Shafiq Rehman

2. Soils that have more than 20% organic matter are termed as organic soils. These are also called:________?

   A. Peat soil
   B. solonchalk soil
   C. Muck soil
   D. Both a and c

   Submitted by: Shafiq Rehman

3. Walkley and blacks method of organic matter determination allows recovery of ______ ℅ organic carbon content:

   A. 44 ℅
   B. 45 ℅
   C. 33℅
   D. None of the above

   Submitted by: Shafiq Rehman

4. Walkley and Blacks method of organic matter determination allows recovery of _____% organic carbon content:

   A. 74 %
   B. 54 %
   C. 62.5 %
   D. 34%

   Submitted by: Shafiq Rehman

5. Organic matter in Pakistani soils is generally:_________?

   A. less than 1 %
   B. less than 10 %
   C. 3 %
   D. 5%

   Submitted by: Shafiq Rehman

6. Organic Soils are classified as ____________ and are also known as ____________ soils:

   A. Alfisols. fine & coarse textured
   B. Histosols, peat & muck
   C. Ultisols, Fe & Al rich
   D. None of the above

   Submitted by: Shafiq Rehman

7. Soils that have more than 20% organic matter are termed as:__________?

   A. Organic soils
   B. Peat soils
   C. Muck soils
   D. All of these

   Submitted by: Shafiq Rehman

8. The forest soils have lower bulk density than agricultural soils because of their ______ content.

   A. High organic matter
   B. Low organic matter
   C. Both a & b
   D. None of these

   Submitted by: Adnan

9. The indicator used for the the estimation of the organic matter or organic carbon is;_________?

   A. Mixed indicator
   B. Diphenylamine indicator 
   C. Both a and b
   D. None of the above

   Submitted by: Shafiq Rehman

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