There are twelve soil orders found in the world of which six soil orders have been recognized at various locations are________?

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. The resistance of a soil at various moisture contents to mechanical stresses or manipulations:

   A. Soil crusting B. Soil consistence C. Bulk Density D. Both a & c Submitted by: Shafiq Rehman...

4. Who consider the various properties of soil in relation to plant production?

   A. Pedologist B. Soil chemist C. Edaphologists D. agronomist Submitted by: Shafiq Rehman...

5. Source of negative charges on silicate clays is/ are________?

   A. Exposed crystal edges B. Isomorphous substitution C. Anion exchange D. All of these Submitted by: Shafiq Rehman...

6. A soil is classified as sodic soil when______________________?

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

7. 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...

8. Being a soil scientist, do you know which is the popular book of soil science of Nyle.C.brady, 14th edition available in markets:

   A. Fundamentals of soil B. Essenttials of soil sciences C. The nature and properties of soil D. The mechanics of soil Submitted by: Shafiq Rehman...

9. 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...

10. 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...