Pedogenic processes bring about changes in the parent materials in the form of _____________________, within the soil body (soil profile)?

Related Mcqs:

1. The kind, rate and intensity and pedogenic processes are controlled by ________ ,soil-forming factors?

   A. 6
   B. 7
   C. 4
   D. None of the above 

   Submitted by: Shafiq Rehman

2. Weathering process-physical, chemical, and biological _______________, the rocks and minerals into simpler products which either accumulate in place or are transported to other places where they become soil parent materials?

   A. Disintegrate
   B. Disentigrate
   C. Decompose
   D. Both a & c

   Submitted by: Shafiq Rehman

3. Soil particles as individuals such as sand and do not form aggregates. These are usually found in parent material or C horizon is:_________?

   A. Massive
   B. Single-grained
   C. Aggregated
   D. All of the above

   Submitted by: Shafiq Rehman

4. Any material such as straw, sawdust, leaves, plastic films, & loose soil that is spread upon the surface of the soil to protect the soil & plant roots from the effects of raindrops, soil crusting, freezing or evaporation:

   A. Mull
   B. Mulch
   C. Mycorrhizae
   D. Muck

   Submitted by: Shafiq Rehman

5. Rocks and weathered materials transported by ___________ ,act as initial materials for soil formation?

   A. Water
   B. Wind
   C. Glaciers
   D. All of the above

   Submitted by: Shafiq Rehman

6. Deep percolation from a soil profile is generally measured by a device known as_____________________?

   A. Hydrometer
   B. Lysimeter
   C. Thermometer
   D. Tensiometer

7. Some times, AB/EB/BA/BE horizons in soil profile are present which are called__________?

   A. Master horizons
   B. Transition horizons
   C. Little horizons
   D. All of the above

   Submitted by: Shafiq Rehman

8. Soil additive which stabilizes the soil, improves resistance to erosion, increases to permeability to air & water, improves texture, eases cultivation or otherwise improves soil quality:

   A. Soil amendment
   B. Soil conditioner
   C. Both a & b
   D. None of the above

   Submitted by: Shafiq Rehman

9. Nitrogen & sulphur dioxide liberate from motor vehicles & industries. Nitrogen & Sulphur gases dissolve in the water vapour of atmosphere & form nitric & sulphuric acid. This rain water falls on soil as__________ & contaminates soil also:

   A. Acid rain
   B. Neutral rain
   C. Both A & B
   D. None of the above

   Submitted by: Shafiq Rehman

10. The process of deposition of soil materials in the lower layer is termed as:_________?

    A. Illuviation
    B. Eluviation
    C. Podzolization
    D. Laterization

    Submitted by: Shafiq Rehman