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?

Related Mcqs:

1. Soil-forming minerals occurring in rocks do not contain any water, they undergo ______________ when exposed to humid conditions & break down as in chemical weathering process:

   A. Carbonation B. Acidification C. Hydration D. Dissolution Submitted by: Shafiq Rehman...

2. 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...

3. Rocks which are formed by disintegration of pre-existing rocks by weathering are____________________?

   A. Sand stone B. Classics C. Igneous D. Greis...

4. 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...

5. ______________ consist of particles that are produced by disintegration of pre-existing rocks through the process of weathering:

   A. Clastics B. Non-clastics C. both A & B D. None of the above Submitted by: Shafiq Rehman...

6. Most common rocks, after exposed to weathering which cover about ______% 0f the earth:

   A. metamorphic rocks B. Sedimentary rocks C. Igneous rocks D. Shales Submitted by: Shafiq Rehman...

7. In Pakistan, Indus plains are formed from ___________ parent material which was transported by Indus river and its tributaries from Himalayas?

   A. Till B. Moraine C. Colluvial D. None of the above Submitted by: Shafiq Rehman...

8. Biological Weathering involves:

   A. Man and Animals B. Higher Plants and Roots C. Micro- organisms D. All of these Submitted by: Shafiq Rehman...

9. 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...

10. Wind transported materials if it is silt dominated is__________?

    A. Alluvial B. Colluvial C. Eolian D. Loess Submitted by: Shafiq Rehman...