Rocks formed from compacted clay or mud are called____________________?

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

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

3. An intrazonal group of dark calcareous soils high in clay and having mainly montmorillonitic type clay are called as:________?

   A. Regur
   B. Ragour
   C. Montmorillosol
   D. Regosol

   Submitted by: Shafiq Rehman

4. Plutonic rocks are also called____________________?

   A. Intrusive igneous
   B. Metamorphic
   C. Sedimentary
   D. Extrusive igneous rock

5. Metamorphic rocks are formed from____________________?

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

6. Rocks formed from molten magma are called__________________?

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

7. The kaolininte is a layer silicate clay mineral, it is 1:1 type of mineral with___________________?

   A. 3-15 meq/100g CEC
   B. 40 meq/100g CEC
   C. 50 meq/100g CEC
   D. None of the above

8. The little clay mineral is_____________________?

   A. Non-expending
   B. Expending
   C. None or little expending
   D. None of the above

9. The clay fraction of the soil contains particles less than 0.002 mm. Particles <0.001 mm size:

   A. Soil Silt
   B. Soil colloids
   C. Soil loam
   D. Soil sand

   Submitted by: Shafiq Rehman

10. The soil texture refers to the relative proportion of sand,__________ and clay:

    A. Stone
    B. Soil
    C. Rock
    D. Silt

    Submitted by: Shafiq Rehman