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

Related Mcqs:

1. 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

2. Igneous rocks are called:__________?

   A. Primary rocks
   B. Secondary rocks
   C. Aqueous rocks
   D. None of the above

   Submitted by: Shafiq Rehman

3. Metamorphic rocks are formed from____________________?

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

4. Metamorphic rocks are classified into:___________?

   A. Foliated metamorphic rocks
   B. Non-foliated metamorphic rocks
   C. Both a & b
   D. None of a & b

   Submitted by: Shafiq Rehman

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

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

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

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

7. Igneous rock whose crystal is 1 cm called____________________?

   A. Plutonic
   B. Felsic
   C. Pegmatitic
   D. Mafic

8. Composition of igneous rock is determined by___________?

   A. Depth of molten magma
   B. Composition of molten magma
   C. Both A and B
   D. Composition can not be determined.

   Submitted by: Shafiq Rehman

9. Which of the following is not a metamorphic rock?

   A. Marble
   B. Granite
   C. Sand stone
   D. both A & B

   Submitted by: Shafiq Rehman

10. Potassium (K) occurs as a constituent of the earth’s crust in the proportion of_________?

    A. 23 %
    B. 2.3 %
    C. 17 %
    D. 1.7 %

    Submitted by: Shafiq Rehman