Organic matter influences:_________?

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. 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...

3. 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...

4. 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...

5. 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...

6. 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...

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

   A. less than 1 % B. less than 10 % C. 3 % D. 5% Submitted by: Shafiq Rehman...

8. Clear water with organic matter or sediment and minimum biological activity is known as__________________?

   A. Oligotrophic B. Mestrophic C. Eutrophic D. Hydrotrophic...

9. The process of transformation of raw organic matter into humus:

   A. Calcification B. Horizonation C. Illuviation D. Humification Submitted by: Shafiq Rehman...

10. During decomposition of organic matter, inititial decomposition is dominated by:__________?

    A. Actinomycetes B. Bacteria C. Fungi D. Both B & C Submitted by: Shafiq Rehman...