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. 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

7. 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

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