Model Test Physical Geology Sample Paper

Model Test Physical Geology Sample Paper
Practice Question Paper Geology
Q.1 : The polar and equatorial diameter of tlie earth are :
(a) 12170_ kms and 12755 kms respectively
(b) 12710 km sand 12755 kms respectively
(c) 13612 kms and 13921 kms respectively.
(d) 14012 kms and 14302 kms respectively.
Answer (B)

Q.2: Mark the correct statement: .
(a) There is more water in the northern hemisphere and more land in the southern hemisphere.
(b) There is more land in northern hemisphere and more water in the southern hemisphere.
(c) There is equal land and water in both the hemisphere. '
(d) None of the above.
Answer (B)

Q.3 : The major ocean basins are characterized by :
(a) Deep sea-trenches
(b) Abysmal plains M
(c) Mid-oceanic ridge systems
(d) Both a and b.
Answer (C)
Q.4 : The peculiar shape of the earth is due to :
(a) The combined effects of centrifugal and centripetal.
(b) '|'he rotation of the earth about its axis and revolution around the sun.
(c) The gravitational pull and distribution of light and heavy materials in the interior of the earth.
(d) All the above.
Answer (D)
Q. 5: According to Bode’s law the formula is :
(a) 3 + 3 *3n-1
(b)4 + 3* 2n-1
(C) 4 X 3 + 2n-1
(d) None of the above.
Answer ( B)

Q.6: Mid Atlantic ridge divides the ocean floor of which water body :
(a) Caribbean sea.
(b) Bay of Bengal
(c) Atlantic ocean
(d) Indian ocean.
Answer ( C)

Q. 7 : Duration of a day at the poles is :
(a) None month
(b) Six month M
(c) Three month
(d) 12 hours.
Answer (B)


Q. 8 : Dog star is :
(a) The nearest plant of the sun. ‘L
Kb) The nearest and the brightest of all the stars of the earth
(c) The farthest planet of the solar system
(d) None of these.
Answer (B)

Q. 9 : Equigravisphere is :
(a) The uppermost layer of atmosphere
(b) Layer ofair beyond mesosphere.
(c) The locus of the point in space where gravity is constant.
(d) None of these.
Answer (C)

Q. 10 : Existence of a number of minor discontinued within the earth may be due to
(a) Changes in the density of the materials
(b) Changes in the chemical composition of the mater
(c) Changes in the physical properties of the minerals
(d) All of the above.
Answer ( D)


Q. 11: Terrestrial planet is :
(a) A low density ball of gas.
(b) A dense rocky body
(C) Filléd with liquid
(d) None of these
Answer (B)

Q. 12: Pyrolite rock is formed in :
(a) Crust
(b) Mantle
(c) Core
(d) None of the above.
Answer (B)

Q. 13 : Morhorovicic discontinuity is found between :
(a) Crust and mantle
(b) Mantle and crust
(c) Mantle and core
(d) Outer core and lnnercore.
Answer (a)

Q. 14: Repetti discontinuity is found at :
(a) 850 km depth
(b) 950 km depth
(c) 1100 km depth
(d) 1250 km depth.
Answer (B)

Q. 15 : The temperature in the core of the earth is :
(a) 6000° c
(b) 9,000° C
(C) 1,200°C
(d) 1,400°C.
Answer (a)

Q. 16 : The thickness of the core is about :
(a) 4000 km -
(b) 3471 km
(C) 2515 km
(d) 2010 km
Answer (B)


Q. 17 :Q.. 95 : The chemical union of water with a mineral is called :
(a) Oxidation - ‘
(b) Hydration
(c) Hydrolysis
(d) Carbonation
Answer ( B )



Q. 18 : Dahm discontinuity is found at the depth of :
(a)2780 km
(b) 2100 km
(c) 3500 km
(d) 3270 km
Answer (A


Q. 19 : The Earth’s axis is inclined to the perpendicular to the orbital plane by an angle of
(a) 17.5 degrees
(b) 23.5 degrees
(cj 43.5 degrees
(d) 66.0 degrees.
Answer (B)

Q.‘ 20:The cariolils effect is the result of:
(a) Earth’s rotation
(b) Earth’s revolution
(c) Change in season
(d) None of these.
Answer (a)

Q. 21 : The reduction in the seismic wave velocities and density of the mantle-material is
due to :
(a) Thermal expansion
(b) Micro-fracturing
(c) Thermal expansion and micro-fracturing associated with upwelling mantle.
(d) None ofthe above.
Answer (C)


Q. 22 : The apparent outwards force experienced by an object moving in circular path is :
(a) Centripetal force
(b) Centrifugal force
(c) Coriollis force
(d) Gravity force
Answer (B)

Q. 23 : The electromagnetic response of the earth is estimated to be about :
(a) 900 km
(b) 1100 km
(C) 1300 km
(a) 1700 km
Answer (B)

Q. 24: What are the two most abundant minerals of upper mantle :
(a) Olivine and amphiboles
(b) Felspar and quartz
(c) Olivine and orthopyroxeqe
(c) Garnet and Hornblend.
Answer (C)

Q. 25 : The division of the upper layers of the earth into the lithosphere and asthenosphere
is based on :
(a) Seismic characteristics
(b) Gravity difference
(c) Rheidity considerations
(d) Reflection characteristics
Answer (C)