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

Related Mcqs:

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

   A. Additions, losses
   B. Transfers and transformations
   C. both A and B
   D. None of the above

   Submitted by: Shafiq Rehman

2. 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

3. The horizons O, A, E and B (other than r and C) are collectively called_____________?

   A. Regolith
   B. Solum
   C. Outer core
   D. inner core

   Submitted by: Shafiq Rehman

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

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

5. 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

6. 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

7. New soils, no or little profile development:

   A. Entisols
   B. Inceptisols
   C. Andisols
   D. Aridisols

   Submitted by: Shafiq Rehman

8. A soil is classified as sodic soil when______________________?

   A. EC is 8.5
   C. SAR is >13
   D. All the above

9. Addition of sodium hexametaphosphate in soil for determination of soil texture causes__________________?

   A. Agregation of soil particles
   B. Cementing of soil particles
   C. Dispersion of soil particles
   D. All the above

10. Organic P content in soil, by ignition method is estimated by igniting the soil at ____________________?

    A. 250ºC
    B. 1000ºC
    C. 550ºC
    D. 1250ºC