Fine-graned rocks formed on earth crust are called____________________?

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

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

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

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

4. Plutonic rocks are also called____________________?

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

5. 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

6. Most abundant mineral in the earth crust is______________________?

   A. N-Feldspar
   B. Feldspar
   C. S-Feldspar
   D. Amplubole

7. The most abundant metal in the earth’s crust and toxic to plants in low concentration is____________________?

   A. Mo
   B. Al
   C. Fe
   D. All the above

8. 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

9. Oxygen and Silicon together comprise approximately ______ %of the earth crust?

   A. 64 %
   B. 79 %
   C. 75 %
   D. 73 %

   Submitted by: Shafiq Rehman

10. Which element is found highest in earth crust?

    A. Aluminum
    B. Silicon
    C. Sodium
    D. None of the above

    Submitted by: Shafiq Rehman