Transportation & cementation of primary rocks:

Related Mcqs:

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

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

2. Potassium plays a significant role in the transport of water & nutrients through the plant in the xylem. When the supply of K is reduced, the transportation of ___________________ is depressed:

   A. Nitrates, Phosphates
   B. Calcium, magnesium
   C. Amino acids
   D. All of the above

   Submitted by: Shafiq-ur-Rehman

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

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

4. 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

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, The following igneous rocks are found over considerable areas:

   A. Marl, gypsum
   B. Slate, Shist
   C. Dolomite shale, gneiss
   D. None of the above

   Submitted by: Shafiq Rehman

7. The relative abundance of three types of rocks ( igneous-metamorphic- sedimentary) in the earth’s crust is_________?

   A. 12.5 % -12.5 % – 75%
   B. 64.7 % – 27.4 % – 7.9 %
   C. none of A & B
   D. 7.9% – 27.7 % – 64.4

   Submitted by: Shafiq Rehman

8. Fossils are found in__________type of rocks:

   A. Sedimentary rocks
   B. Metamorphic rocks
   C. Aqueous rocks
   D. both A & C

   Submitted by: Mir Mehrbiyar

9. 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

10. Extrusive rocks are also called as ___________ in which the grain or crystalline structure is too fine to be seen by the unaided eye?

    A. Volcanic Rock
    B. Igneous Rock
    C. Aphantic Rock
    D. Both A & B

    Submitted by: Amir hameed