Geology
______________ shows great variation in water yielding capacity
- Sandstone
- Granite
- Basalt
- Marble
Which of the following statement(s) is/are true?
(i) The parallel arrangement of certain mineral grains that gives the rock a striped appearance is called Foliation
(ii) All sedimentary rocks are foliated
- Only (i)
- Only (ii)
- Both (i) and (ii)
- Neither (i) nor (ii)
Rocks behave as _______________ masses towards operating stresses.
- inelastic
- elastic
- isotropic
- anisotropic
Which of the following processes is the removal of fine-grained particles such as silt and clay from the Earth’s surface by wind?
- Deflation
- Desilting
- Erosion
- Abrasion
Basalt is a dark coloured igneous rock which is extensively used as road metal. Its crushing strength lies between
- 1000 – 2000 kg/cm²
- 2000 – 3000 kg/cm²
- 3000 – 4000 kg/cm²
- 4000 – 5000 kg/cm²
Geology
What is the key word in the definition of fault?
- Fracture
- Movement
- Both fracture and Movement
- Dip
The igneous rock rich in cavities is
- Granite
- Basalt
- Gabbro
- Dolomite
Which band of the electromagnetic spectrum has ability to penetrate in ground?
- Visual
- Infrared
- Reflected infrared
- Microwave
Stratification can be seen widely in which of the following rocks?
- Igneous rocks
- Metamorphic rocks
- Sedimentary rocks
- Fossil rocks
Rocks formed due to alteration of original structure under heat and excessive pressure are
- Sedimentary rocks
- Igneous rocks
- Metamorphic rocks
- None of the above
Geology
To avoid shearing, dam has to be placed as far as possible from _________________
- Joints
- Folds
- Intrusions
- Faults
In engineering geology, what does the term ‘RQD’ stand for?
- Rock Quality Designation
- Rock Quantity Determination
- Reactive Quartz Derivative
- Relative Quartz Density
When the hanging wall moves down relative to the footwall, the fault is called as a
- Reverse fault
- Strike slip fault
- Normal fault
- Thrust fault
A fold mountain is a type of landform that is created when two crustal plates
- Diverge
- Wrap
- Collide
- Converge
Fossils can occur only in
- igneous rocks
- sedimentary rocks
- metamorphic rocks
- gneiss rocks
Geology
Crystals those are developed equally in all directions are known as
- Isotropant
- Equant
- Prismatic
- Dendritic
The Igneous rocks are formed by
- The cooling and consolidation of molten rock material
- The deposition of product of rock weathering
- The change in characters of pre-existing rocks by the action of heat and pressure
- All of the above
Rocks formed by gradual deposition are known as:
- Sedimentary rocks
- Igneous rocks
- Metamorphic rocks
- None of the above
The branch of geology which deals with various aspects of rocks is called
- Lithology
- Mineralogy
- Petrology
- Rockology
The term “anticlinal valleys” applies to
- folds bending downward
- folds which do not bend
- valleys formed due to erosion of anticlines
- valleys formed due to erosion of synclines
Click Here For All Geology MCQS (GPSC PYQs)
Click Here For All GPSC (Civil) PYQs