Accumulation of soluble salts in soil________?

Related Mcqs:

1. Accumulation of soluble salts root zone is known as____________________?

   A. Desodication
   B. Sodication
   C. Degradation
   D. Salininzation

2. The lands which are rich in soluble salts and exchangeable sodium:

   A. Saline soil
   B. Saline-Alkaline
   C. Alkaline
   D. None of the above

   Submitted by: Shafiq Rehman

3. Cyclic salts are mostly of ______________________?

   A. SO4
   B. HCO₃
   C. Cl^–
   D. None of the above

4. Na2CO3 salts is___________________?

   A. Neutral
   B. Alkaline
   C. Acidic
   D. None of the above

5. The process of accumulation of excess quantity of nutrients in water causing O2 deficiency is known as_____________________?

   A. Eutrophication
   B. Nitrification
   C. Denitrification
   D. Sedimentation

6. The immobilization and accumulation of the eluviated constituents at some depth beneath the soil surface:________?

   A. Iluviation
   B. Eluviation
   C. Illuviation
   D. Melanization

   Submitted by: Shafiq Rehman

7. Accumulation of Al and Fe oxides and clays coming from the upper profile layers:

   A. Zone of eluviation
   B. Zone of Illuviation
   C. Zone of evaluation
   D. None of the above

   Submitted by: Shafiq Rehman

8. Humic acid is soluble in______________________?

   A. Acid
   B. Alkali
   C. Both a & b
   D. Distilled water

9. Humic acid is soluble in____________________?

   A. Acid
   B. Alkali
   C. Both a & b
   D. None of the above

10. Select the water soluble phosphatic fertilizer from the following__________?

    A. DSP
    B. TSP
    C. SSP
    D. All of these

    Submitted by: Shafiq Rehman