Total salt affected soils of Pakistan are____________________?

Related Mcqs:

1. 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%)?

   A. Alkaline
   B. Very much acidic
   C. Calcareous
   D. both A & C

   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. 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

4. 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

5. 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

6. About 40% of the total area of Pakistan is affected by wind erosion. this includes:_________?

   A. Thal, Cholistan
   B. Parts of Mianwali and D.G
   C. Tharparkar & vast areas of Balochistan
   D. All of the above

   Submitted by: Shafiq Rehman

7. According to national commission of Pakistan, post harvest losses in fruits are____________________?

   A. 20-40%
   B. 60-70%
   C. 30-50%
   D. 20-25%

8. Rocks which are formed by disintegration of pre-existing rocks by weathering are____________________?

   A. Sand stone
   B. Classics
   C. Igneous
   D. Greis

9. Examples of micro biota are____________________?

   A. Protozoa
   B. Virus
   C. Both a & b
   D. None of the above

10. 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