In Pakistan, The following igneous rocks are found over considerable areas:

Related Mcqs:

1. 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

2. Igneous rocks are called:__________?

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

   Submitted by: Shafiq Rehman

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

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

4. Igneous rock whose crystal is 1 cm called____________________?

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

5. 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

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

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

7. Plutonic rocks are also called____________________?

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

8. Felsic rocks consists of___________________?

   A. fe
   B. Quartz
   C. Buiotitic
   D. Quartz & Feldspars

9. 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

10. 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