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

Related Mcqs:

1. ______________ 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

2. Irregular rock masses formed in the pre-existing cracks & crevices are:__________?

   A. Sills
   B. Dikes
   C. Lacoliths
   D. Batholiths

   Submitted by: Mir Mehrbiyar

3. 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

4. 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?

   A. Disintegrate
   B. Disentigrate
   C. Decompose
   D. Both a & c

   Submitted by: Shafiq Rehman

5. 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

6. Fine-graned rocks formed on earth crust are called____________________?

   A. Intensive igneous rock
   B. Extrusive rock
   C. Sedimentary rock
   D. Plutonic

7. Rocks formed from compacted clay or mud are called____________________?

   A. Shale
   B. Clay stone
   C. Sand stone
   D. None of the above

8. Metamorphic rocks are formed from____________________?

   A. Igneous rocks
   B. Sedimentary rocks
   C. Both a & b
   D. Cleavage

9. Rocks formed from molten magma are called__________________?

   A. Sedimentary rocks
   B. Igneous rocks
   C. Alluvial rocks
   D. All the above

10. Soil order characterized by excess of weathering with dominant iron and aluminium oxide clays, common in tropics is_________?

    A. Alfisols
    B. Mollisols
    C. Entisols
    D. Oxisols

    Submitted by: Shafiq Rehman