A. Primary rocks
B. Secondary rocks
C. Aqueous rocks
D. None of the above
Submitted by: Shafiq Rehman
Related Mcqs:
- 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 aboveSubmitted by: Shafiq Rehman
- 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 % – 64.4Submitted by: Shafiq Rehman
- Rocks which are formed by disintegration of pre-existing rocks by weathering are____________________?
A. Sand stone
B. Classics
C. Igneous
D. Greis - Igneous rock whose crystal is 1 cm called____________________?
A. Plutonic
B. Felsic
C. Pegmatitic
D. Mafic - 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
- 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 & BSubmitted by: Amir hameed
- Rocks and weathered materials transported by ___________ ,act as initial materials for soil formation?
A. Water
B. Wind
C. Glaciers
D. All of the aboveSubmitted by: Shafiq Rehman
- ______________ consist of particles that are produced by disintegration of pre-existing rocks through the process of weathering:
A. Clastics
B. Non-clastics
C. both A & B
D. None of the aboveSubmitted by: Shafiq Rehman
- Fossils are found in__________type of rocks:
A. Sedimentary rocks
B. Metamorphic rocks
C. Aqueous rocks
D. both A & CSubmitted by: Mir Mehrbiyar
- Soil-forming minerals occurring in rocks do not contain any water, they undergo ______________ when exposed to humid conditions & break down as in chemical weathering process:
A. Carbonation
B. Acidification
C. Hydration
D. DissolutionSubmitted by: Shafiq Rehman
