IAS Geology Practice Solved Question Paper
Earth Science,Geology Objective Test
Q.1:
Which type of material will have high specific yield:
a) Fine
grained.
b) Medium
grained.
c) Coarse
grained.
d) All the
above.
ANSWER:
(c)
Q.2:
The ratio of the interconnected pore spaces to the total bulk volume
of the rock is called:
a) Total
porosity.
b)
Effective porosity.
c)
Specific yield.
d)
Specific retention.
ANSWER:
(b)
Q.3:
Secondary porosity results:
a) During
formation of rocks.
b) After
formation of rocks.
c) Before
formation of rocks.
d) Both
during and after formation of rocks.
ANSWER:
(b)
Q.4.
A block of ice floating over water in a vessel
slowly
melts in it. Water level in the vessel will
(a) Start
rising
(b) Start
falling
(c) Remain
same
(d)
Unpredictable
ANSWER:
(d)
Q.140.
The magnitude of water hammer depends on
(a) Length
of pipe
(b)
Elastic properties of pipe material
(c) Rate
of stoppage of flow
(d) all of
the above
ANSWER:
(d)
Q5.
The increase of temperature results in
(a)
Increase in viscosity of gas
(b)
Increase in viscosity of liquid
(c)
Decrease in viscosity of gas
(d)
Decrease in viscosity of liquid
ANSWER:
(c)
Q6.
For pipes, ‘laminar flow occurs when Reynolds number is
(a) Less
than 2000
(b)
Between 2000 and 4000
(c) More
than 2000
(d) Less
than 2000
ANSWER:
(a)
Q.7.
Bernoulli’s theorem deals with the conservation of
(a) Mass
(b) Force
(c)
Momentum
(d) Energy
ANSWER:
(d)
HYDROG EOLOGY
Q.8 :
Hydrology interacts with :
a)
Hydrometeorology.
b)
Meteorology
c)
Climatology
d) All the
above.
ANSWER:
(d)
Q.9 :
Ground water less than 0.8Km depth accounts for ........... and
ground water more than 0.8
Km
depth accounts for : .
a) 0.01 %
and 0.2 %
0) 0.11 %
and 0.3 %
0) 0.31
°/0 and 0.31%
d) 0.90 %
and 1.2 %
ANSWER:
(c)
Q10:
The oceans with a mean depth o13.8 Km hold as large as ....... as of
the earth’s water
a) 50 %
b) 72 %
c) 89 %
d) 97 %
ANSWER:
(d)
Q.11 :
Vadose zone is :
a) Zone of
aeration.
b) Zone of
saturation.
c)
Phreatic zone.
d) All the
above.
ANSWER:
(a)
Q.12 :
Zone of saturation is also known as :
a) Vadose
zone.
b)
Capillary zone.
c)
Phreatic zone.
d)
Aeration zone.
ANSWER:
(c)
Q.13 :
For the purpose of description of the hydro logic cycle. It may be
visualized as beginning
with
the :
a)
Evaporation process.
b)
Transpiration process.
c)
Precipitation from the atmosphere.
d)
Infiltration process.
ANSWER:
(c)
Q.14 :
When the wind blows spirally outward clockwise, it is known as :
a)
Cyclone.
b) Thunder
storm.
c)
Anticyclone.
d)
Tornadoes.
ANSWER:
(c)
Q.15:
When precipitation occurs with water drops, size ranging between 0.1
and 0.5 mm. and it
is
called a :
a) Drizzle
b) Rain
C) Glaze
d) Slect.
ANSWER:
(a)
Q.16:
Precipitation in the form of ice crystals is called:
a) Drizzle
b) Slect
c) Snow
d) Hail.
ANSWER:
(c)
Q.17:
The most important precipitation and is responsible for most of the
heavy rains in India are:
a)
Orographic precipitation.
b)
Convective precipitation.
c)
Cyclonic precipitation.
d) Frontal
precipitation.
ANSWER:
(a)
Q.18:
Which Is the non - recording Raingange :
a) Simons
Raingange.
b) Tipping
bucket type Raingange.
c)
Weightily type Raingange.
d)
Floating type Raingange.
ANSWER:
(a)
Q.19:
The process for groundwater replenishment is:
a)
Evaporation.
b) Runoff.
c)
Infiltration.
d) Ail the
above.
ANSWER:
(c)
Q.20:
Ammeter is a device to measure:
a)
Infiltration.
b)
Transpiration
c)
Evaporation.
d) All me
above.
ANSWER:
(c)
Q.21: A
thin water-film is held tenaciously with a tension of 31 atmospheres
or more in the soil
Particles
are known as:
a)
Hygroscopic water.
b)
Capillary water.
c)
Gravitational water.
d) None of
these.
ANSWER:(a)
Q.22:
Mark the correct statement about gravitational water:
a) It is
free water held at a tension below 1/3 atmosphere
b) lt
saturates the soil.
c) It
percolates downwards under the influence of gravity.
d) All
the above.
ANSWER:(d)
Q.23:
The width of the capillary fringe increases as:
a) The
rock interstices become finer.
b) The
rock interstices become coarse.
c) The
rock interstices remain constant.
d) All the
above.
ANSWER:(a)
Q.24:
Factors influence wilting point is:
a) Soil
type and volume.
b) Plant
type and age of plant.
c) Soil
type and plant type.
d) Soil
type and volume and plant type and age.
ANSWER:(d)
Q.25:
The ratio of the water which can be drained freely form the material
to the total volume of
‘The
material is known as:
a)
Specific retention.
b)
Specific yield.
c)
Porosity
d)
Permeability.
ANSWER:
(b)
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