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

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. _______________ of alluvium (stratified sediment) by earth-worms is the most important soil-forming process in the alluvial plain of Pakistan:

   A. Homogenization
   B. Pedoturbation
   C. Lessivage
   D. Melanization

   Submitted by: Shafiq Rehman

8. The water loss through transpiration from vegetative and evaporation from soil surface is known as__________________?

   A. Evaptranspiration
   B. Transpiration
   C. Evaporation
   D. Guttation

9. Organic matter influences:_________?

   A. Water holding capacity
   B. Cation exchange capacity
   C. Aggregate stability
   D. All of the above

   Submitted by: Shafiq Rehman

10. Who will decompose organic matter first:

    A. Actinomycetes
    B. Bacteria
    C. Basidiomycetes
    D. Fungi imperfecti

    Submitted by: Shafiq Rehman