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

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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...