Geologist Junior • Paper-II
Strained quartz is attributed to deformation of the crystal lattice, which gives the grain irregular optical properties and its presence can be used as an indicator of
A)
clay minerals
B)
provenance
C)
sedimentary basin
D)
rock age
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'rock age' (Option D).
Geologist Junior • Paper-II
Conglomerate that contains just two or three type clast present is called
A)
monomict
B)
oligomict
C)
polymict
D)
terimict
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'oligomict' (Option B).
Geologist Junior • Paper-II
A centered uniaxial interference figure consists of dark bands that cross the field of view to form a black cross called
A)
isogyres
B)
isochrome
C)
melatope
D)
interference
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'isogyres' (Option A).
Geologist Junior • Paper-II
The amount of energy required to remove an electron is called the
A)
electronegativity
B)
van der walls
C)
ionization potential
D)
ionic bonds
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'van der walls' (Option B).
Geologist Junior • Paper-II
High-grade metamorphism takes place at temperatures greater than
A)
265°C
B)
290°C
C)
320°C
D)
340°C
Based on established principles in Geology & Mining, the correct and most appropriate choice is '265°C' (Option A).
Geologist Junior • Paper-II
Deposits on the shelf formed during a period of relative sea level rising faster than the rate of sediment supply are referred to as
A)
falling stage systems tract (FSST)
B)
lowstand systems tract (LST)
C)
transgressive systems tract (TST)
D)
maximum flooding surface (MFS)
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'falling stage systems tract (FSST)' (Option A).
Geologist Junior • Paper-II
Sediment diagenesis processes occur at relatively low temperatures, typically below about
A)
150 °C
B)
200 °C
C)
250 °C
D)
300 °C
Based on established principles in Geology & Mining, the correct and most appropriate choice is '200 °C' (Option B).
Geologist Junior • Paper-II
Metamorphic mineral assemblages with medium to coarse grained, dark colored rocks whose principal minerals are hornblende and plagioclase is called
A)
Marbles
B)
Quartzites
C)
Ecogites
D)
Amphibolites
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'Amphibolites' (Option D).
Geologist Junior • Paper-II
Bowen’s Reaction Series composed of the plagioclase feldspar solid solution series is
A)
discontinuous reaction series
B)
continuous reaction series
C)
crystal reaction series
D)
crystal fractional series
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'continuous reaction series' (Option B).
Geologist Junior • Paper-II
Sodium aluminum pyroxene that is characterized by its presence in metamorphic rocks formed at relatively high pressure is
A)
Nepheline syenites
B)
Grunerite
C)
Augite
D)
Jadeite
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'Grunerite' (Option B).
Geologist Junior • Paper-II
Metamorphism occurs at temperatures and pressures higher than 200°C and
A)
250 MPa
B)
300 MPa
C)
350 MPa
D)
400 MPa
Based on established principles in Geology & Mining, the correct and most appropriate choice is '400 MPa' (Option D).
Geologist Junior • Paper-II
Foliated rock such as slates, schists, and gneisses occurs as a result of
A)
contact metamorphism
B)
cataclastic metamorphism
C)
hydrothermal metamorphism
D)
regional metamorphism
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'cataclastic metamorphism' (Option B).
Geologist Junior • Paper-II
Bands of colour formed by concentrations of iron oxides in irregular layers within a rock are called
A)
liesegangen bands
B)
septarian bands
C)
varve
D)
rhythmic bands
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'liesegangen bands' (Option A).
Geologist Junior • Paper-II
The mineral of tetragonal crystal, the face labeled (0hl) would have the Miller Index is
A)
(001)
B)
(011)
C)
(012)
D)
(013)
Based on established principles in the relevant subject area, the correct and most appropriate choice is '(001)' (Option A).
Geologist Junior • Paper-II
Internal arrangement of atoms in a crystal structure made up of 3-dimensional arrays are called
A)
crystal symmetry
B)
translational symmetry
C)
lattices
D)
space lattices
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'space lattices' (Option D).
Geologist Junior • Paper-II
Greenhouse gases trap heat in the form of infra-red radiation near the earth’s surface is known as
A)
Greenhouse Effect
B)
Photosynthesis
C)
Photochemical Effect
D)
Radiation Effect
Based on established principles in Environment & Ecology, the correct and most appropriate choice is 'Photochemical Effect' (Option C).
Geologist Junior • Paper-II
As people become educated, the population growth rate is
A)
increased
B)
reduced
C)
large
D)
zero
Based on established principles in Environment & Ecology, the correct and most appropriate choice is 'increased' (Option A).
Geologist Junior • Paper-II
In triangular composition diagram mineral phases that coexist with each other at this temperature and pressure are connected by lines is called
A)
cross lines
B)
assambledge line
C)
tie lines
D)
knot lines
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'knot lines' (Option D).
Geologist Junior • Paper-II
Most of the landslide occurred in NE India is due to
A)
earthquake
B)
anthropogenic activity
C)
flood
D)
erosion
Based on established principles in Environment & Ecology, the correct and most appropriate choice is 'earthquake' (Option A).
Geologist Junior • Paper-II
Tholeiitic basalts constituting the oceanic crust are termed
A)
MORBs
B)
OIBs
C)
LIPs
D)
CFBs
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'MORBs' (Option A).
Geologist Junior • Paper-II
A solid compound that meets the other criteria, but has not definite crystal structure is a said to be
A)
volcanic
B)
pegmatite
C)
semi crystal
D)
amorphous
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'semi crystal' (Option C).
Geologist Junior • Paper-II
What pattern is one of the distinctive characteristics of a shallowing-up deltaic succession?
A)
mixed load
B)
fining up
C)
coarsening-up
D)
muddy
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'fining up' (Option B).
Geologist Junior • Paper-II
The ACF diagram is used for representing the phase relation in Mafic rocks and
A)
Calc-silicates
B)
Calcareous rocks
C)
Basic rocks
D)
Pelitic rocks
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Basic rocks' (Option C).
Geologist Junior • Paper-II
Augite is optically positive with a 2V of about
A)
30 degree
B)
60 degree
C)
90 degree
D)
120 degree
Based on established principles in Geology & Mining, the correct and most appropriate choice is '120 degree' (Option D).
Geologist Junior • Paper-II
Which sediment deposits is poorly sorted among glacial, river, beach and aeolian.
A)
glacial
B)
river
C)
beach
D)
aeolian
Based on established principles in Geology & Mining, the correct and most appropriate choice is 'river' (Option B).
