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

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. 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...

3. 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...

4. 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...

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. 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...

7. 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...

8. 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...

9. Soil Organic Matter (SOM) which consists of about _______ % organic carbon plays a vital role by providing macro & micro nutrients:

   A. 72 % B. 58% C. 62 % D. Al of the above Submitted by: Shafiq Rehman...

10. 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...