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

Related Mcqs:

1. 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

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

   A. Andisols, Gelisols, Histosols, Spodosols, Oxisols, Ultisols
   B. Entisols, Inceptisols, Aridisols, Alfisols, Mollisols, Vertisols
   C. Andisols, Aridisols, Histosols, Vertisols, Regosols, Libosols
   D. The above statement is wrong

   Submitted by: Shafiq Rehman

4. The moisture content below which a cohesive soil does stick to metal tools is known as______________________?

   A. Liquid limit
   B. Plastic limit
   C. Sticky limit
   D. Alter berg limit

5. Soil moisture and ET losses are_________________?

   A. Inversely related
   B. Directly related
   C. Not related
   D. Occasionally related

6. All harvested crops remove plant nutrients from the soil. Whether used for _______________; the various crop products are often consumed far away from the production sites, some times thousands of kilometers away in another country.

   A. Food
   B. Feed
   C. industrial raw materials
   D. All of these

   Submitted by: Shafiq Rehman

7. 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

8. The term vertical resistance and horizontal resistance were first used by________________________?

   A. Van der plank (1963)
   B. Karpechenko (1927)
   C. Hull (1945)
   D. Correns (1900)

9. In wheat, example of durable insect resistance includes resistance to___________________?

   A. Green bugs
   B. Stem saw fly
   C. Hessian fly
   D. All the above

10. A soil is classified as sodic soil when______________________?

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