Sample Paper Geology Practice Test

Sample Paper Geology Practice Test
Geology Solved Question Paper

Q. 1 : Sahara desert represents :
(a) Barechans
(b) Longitudinal dunes
(c) shore line dunes
(d) None of these
Answer (B)

Q. 2: Which layer shows high resistivity:
(a) Upper crust
(b) Upper part of lower crust
(c) Lower part of lower crust
(d) All the above
Answer (a)

Q. 3 : Mark the correct statement.:
(a) The granitic and basaltic layers are preferred to call as upper crust and lower crustal layers
respectively. `
(b) the average velocity of Vp in the upper crust and lower crust is 5.7 to 6.4 km/s and 6,4 to 7.1
km/s respectively
(c) Lower crust may higher magnetic susceptibility than the upper crust.
(d) All the above are correctly.
Answer (D)

Q. 4 : Paleo-conrad |s exposed at
(a) Kabbal area of Karnataka
(b) Singhbhum area of Bihar
(c) Himalaya
(d) None of these
Answer (a)

Q. 5 : The Bay of Bengal and the Himalaya are characterized by magnetlsation
(a) High
(b) Normal
(c) Lows
(d) Very high.
Answer ( C )

Q. 6 : The three old fold belts (Dharwar Aravalli and Smghbhum) with __________are
areas of ---- :
(a) High heat flow values/ positive magnetization
(b) Low heat flow values/positive magnetization
(c) High heat flow values/Negative magnetization
(d) High heat flow values/negative magnetization
Answer ( B)

Q. 7: Dharwar and Smghbhum cratons are separated by
(a) Gondwana belt
(b) Sausar belt
(c) Eastern Ghats
(d) Charnolkite belts
Answer (C)

Q8 : In the Higher Himalaya the positive isostatic anomaly values of about :
(a) 30 to 50 mgals
(b) 50 to 75 mgals
(c) 80 to 100 mgals
(d) 110 to 130 mgals.
Answer (C)

Q. 9 : Khetri area belong to : -
(a) Bundelkhand Aravalli craton
(b) Slngbhum craton
(c) Trans - Aravalli
(d) Delhi mobile belt.
Answer (D)


Q. 10 : The development of purana basins is closely related to the :
(a) Western Ghat orogeny
(b) Eastern Ghat Orogeny
(c) Himalayan Orgeny
(d) Singhbhun orogeny .
Answer ( B )


Q. 11:The Rajmahal-Sylhet Volcanic Province (RSVP) is characterised by :
(a) Block faulting
(b) Deep crustal fault
(c) Phases of alkaline magnetism
(d) All the above.
Answer (D)

Q.12 : The Indian plate dips at ---- below lndias Gangetic Alluviam and Sub and lesser
Himalaya and ----- below the Higher Himalaya :
(a)`3° 'and 15° respectively
(b) 5° and 10° respectively
(b) 10° and 25° respectively
(d) 15° and 30° respectively
Answer (a)

Q. 13 : The average Iithospheric thickness below the Indian shield is about :
(a) 90 km
(b) 100 km
(c) 110 km
(d) 120 km
Answer (C)


Q. 14: The trap thickness estimated based on lower seismic velocities is about
(a)1 km
(b) 3 km
(c) 6 km
(d)9 km
Answer ( B )

Q.15: A crystal which possesses only the internal atomic structure without the development of
corresponding external form is known as:
(a) Perfect crystal.
(b) Crystalline.
(c) Amorphous substance.
(d) None of these.
Answer. (b)

Q.16: Euler’s formula is:
(a) F + A = E + 2
(b) F - A = E + 2
(c) F - A = E - 2
(d) F + A = E - 2
Answer. (a)

Q.17: Match the followlng:
I ll
1. Pedion. i. Open form, consisting of two faces.
2. Pinacoid. ii. Open form, consisting of four faces.
3. Prism. iii. One face only.
4. Pyramid. iv. Closed form, having eight faces.

(a) 1-i, 2-ii, 3-iii, 4-iv.
(b) 1-iii, 2-i, 3-ii, 4-iv.
(c) 1-iii, 2-ii, 3-iv, 4-i.
(d) 1-iv, 2-i, 3-ii, 4-i.
Answer. (b)

Q.18: Diametric prisms occur in the:
(a) Orthorhombic system.
(b) Monoclinic system.
(c) Triclinic system.
(d) All system.
Answer. (d)

Q.19: What is the maximum number of axis of symmetry found in known crystal systems:
(a) 9.
(b) 11.
(c) 13.
(d) 15.
Answer. (c)


Q.20: Pseudo-symmetry may be due to:
(a) Twinning.
(b) Distortion.
(c) Imitation of interfacial angles.
(d) All the above.
Answer. (d)

Q.21: Which instrument is used to measure the interfacial-angle of crystals:
(a) Spectrophotometer.
(b) Goniometer.
(c) Gravimeter.
(d) Theodolite.
Answer. (b)

Q.22: Match the following:
I ll
1. Law of constancy of interfacial-angle. i. Symmetry in all crystals of a particular specie
is constant.
2. Law of axial-ratio. ii. Ratio between lengths of axes of crystals of a
given substance is constant.
3. Law of constancy of symmetry. iii. interfacial-angle of crystals of a particular
mineral remain constant.
4. Law of rational-indices. iv. The external form of crystals of same substance
may differ.
(a) 1-iv, 2-ii, 3-i, 4-iii. .
(b) 1-iii, 2-ii, 3-i, 4-iv.
(c) 1-ii, 2-iii, 3-iv, 4-i.
(d) 1-iii, 2-ii, 3-iv, 4-i.
Answer. (b)

Q.23: Which crystal system is having maximum number of classes:
(a) Cubic system.
(b) Tetrahedral system.
(c) Hexagonal system.
(d) Orthorhombic system.
Answer. (c)

Q.24: Mark the correct one regarding symmetry of Galena-type class of isometric system:
(a) 6 plane of symmetry, 13 axes of symmetry and centre of symmetry present
(b) 13 plane of symmetry, 9 axes of symmetry and centre of symmetry present
(c) 9 plane of symmetry, 13 axes of symmetry and centre of symmetry present
(d) None of these.
Answer. (c)

Q.25: In which crystal system, majority of minerals crystallizes:
(a) Cubic system.
(b) Tetragonal system.
(c) Orthorhombic system.
(d) Monoclinic system.
Answer. (d)