Geologist Junior • Paper-II
Flaser rocks are the chief product of
A)
Thermal metamorphism
B)
Dynamothermal metamorphism
C)
Plutonic metamorphism
D)
Cataclastic metamorphism
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Dynamothermal metamorphism' (Option B).
Geologist Junior • Paper-II
In river bank, erosion of outside banks is facilitated by the presence of _______ within the river
A)
Primary current
B)
Secondary current
C)
Swollen current
D)
Rapid current
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'Swollen current' (Option C).
Geologist Junior • Paper-II
Cleavage angles in pyroxene
A)
84o and 96o
B)
87o and 93o
C)
80o and 100o
D)
120o
Based on established principles in Geology & Mining, the correct and most appropriate choice is '120o' (Option D).
Geologist Junior • Paper-II
Marble is transformed from
A)
Sandstone
B)
Quartz
C)
Limestone
D)
Shale
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Limestone' (Option C).
Geologist Junior • Paper-II
Arkose is derived from the disintegration of
A)
Gabbro
B)
Granite
C)
Ultrabsic rocks
D)
Marble
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Gabbro' (Option A).
Geologist Junior • Paper-II
The typical product of contact metamorphism with maculose structure is
A)
Granulose
B)
Cataclastic
C)
Hornfels
D)
Schistose
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Hornfels' (Option C).
Geologist Junior • Paper-II
Thermal metamorphism leads to
A)
Change in mineralogical composition only
B)
Change in fabric only
C)
Change in mineralogical composition and fabric
D)
Non of these
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Change in fabric only' (Option B).
Geologist Junior • Paper-II
CIPW classification is essentially a
A)
Mineralogical classification
B)
Chemical classification
C)
Textural classification
D)
Genetic classification
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'Mineralogical classification' (Option A).
Geologist Junior • Paper-II
The dispersal patterns peculiar to the deltaic environments are
A)
Unimodal
B)
Bimodal
C)
Polymodal
D)
Random
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Random' (Option D).
Geologist Junior • Paper-II
Which of the following volcanic rocks contain the highest percentage of silica?
A)
Basalts
B)
Andesites
C)
Trachytes
D)
Rhyolites
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'Rhyolites' (Option D).
Geologist Junior • Paper-II
Large scale metamorphism associated with increases in both temperature and pressure best defines
A)
Contact metamorphism
B)
Burial metamorphism
C)
Parting melting
D)
Regional metamorphism
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Contact metamorphism' (Option A).
Geologist Junior • Paper-II
The least stable material in elastic detritus is
A)
Quartz
B)
Olivine
C)
Amphibole
D)
Hornblende
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Quartz' (Option A).
Geologist Junior • Paper-II
Pipes or narrow funnel-shaped bodies filled with accidental and gas-charged juvenile magmatic material are known as
A)
Xenoliths
B)
Diatremes
C)
Mafurite
D)
Dike
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'Dike' (Option D).
Geologist Junior • Paper-II
‘Shingle’ is characteristic of _______ environment
A)
Littoral
B)
Terrestrial
C)
Neritic
D)
Abyssal
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Neritic' (Option C).
Geologist Junior • Paper-II
In many earthquakes, mine workers below ground report less shaking than people on the surface because of
A)
Hollow space in the mine
B)
Double the amplitude of the upcoming waves
C)
Weathered rocks are available on the surface
D)
This statement is wrong
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Hollow space in the mine' (Option A).
Geologist Junior • Paper-II
Which of the following type of folds are commonly associated with migmatites?
A)
Reclined folds
B)
Ptygmatic folds
C)
Supratenuous folds
D)
Piercing folds
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Ptygmatic folds' (Option B).
Geologist Junior • Paper-II
According to A.G. Tansely, ecosystem is comprised of
A)
Biome and habitat
B)
Biome and province
C)
Biotic and abiotic
D)
Habitat and colony
Based on established principles in Environment & Ecology, the correct and most appropriate choice is 'Biome and habitat' (Option A).
Geologist Junior • Paper-II
Bog iron ore is
A)
Iron carbonate
B)
Iron bicarbonate
C)
Iron oxide
D)
Iron hydroxide
Based on established principles in Indian Economy, the correct and most appropriate choice is 'Iron hydroxide' (Option D).
Geologist Junior • Paper-II
A section of active fault zones where there has been little or no movement is known as
A)
Isoseismals
B)
Seismic dilatancy
C)
Seismic corridor
D)
Seismic gap
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Seismic corridor' (Option C).
Geologist Junior • Paper-II
Rocks that are dominantly composed of quartz can be classified on the basis of
A)
ACF diagrams
B)
AKF diagrams
C)
AFM diagrams
D)
QAP diagrams
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'AFM diagrams' (Option C).
Geologist Junior • Paper-II
Choose the correct sequence of deformation and metamorphism
A)
Shale, slate, schist, phyllite, gneiss
B)
Shale, slate, phyllite, schist, gneiss
C)
Slate, shale, phyllite, schist, gneiss
D)
Slate, shale, schist, phyllite, gneiss
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Slate, shale, schist, phyllite, gneiss' (Option D).
Geologist Junior • Paper-II
The most commonly occurring silicates in metamorphic rocks are
A)
Ionosilicates – Phyllosilicates – Tectosilicates
B)
Ionosilicates – Phyllosilicates – Nesosilicates
C)
Nesosilicates – Phyllosilicates – Tectosilicates
D)
Nesosilicates – Sorosilicates – Cyclosilicates
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'Nesosilicates – Phyllosilicates – Tectosilicates' (Option C).
Geologist Junior • Paper-II
Chalk is a variety of
A)
Biosparite
B)
Sparite
C)
Biomicrite
D)
Stromatolite
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Sparite' (Option B).
Geologist Junior • Paper-II
Repetitive layering in metamorphic rocks is described as
A)
Foliation
B)
Lineation
C)
Schistosity
D)
Gneissosity
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Foliation' (Option A).
Geologist Junior • Paper-II
The equilibrium model states that
A)
Ecosystem always tends towards sustainability
B)
Ecosystem always tends towards stability
C)
Ecosystem always tends towards constancy of species
D)
Capacity to withstand changes by external factors
Based on established principles in Environment & Ecology, the correct and most appropriate choice is 'Ecosystem always tends towards stability' (Option B).
