Combination of soil genesis and classification is collectively called_________?

Related Mcqs:

1. 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

2. 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

3. Soil pores created by the animal such as earthworm and plant root are called_________?

   A. Biopores
   B. Diameter
   C. Mesopores
   D. Microspores

   Submitted by: Hakeem Taj Shapuki

4. Systematic examination of soil in the field and laboratories, their description and grouping according to classification system:

   A. Reconnaissance survey
   B. Detailed soil survey
   C. Soel survay
   D. The answer of statement is not in options

   Submitted by: Shafiq Rehman

5. 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

6. Optimum temperature, minimum temperature and maximum temperature are collectively called_________________?

   A. Absolute temperature
   B. Cardinal temperature
   C. Various temperature
   D. All the above

7. Tomato, chilly brinjal are collectively called__________________?

   A. Leafy vegetables
   B. Cole crop
   C. Bulb crop
   D. Solanaceous crop

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. 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