Free Online Geology Test Paper
Geology Sample Paper
Q1: The faces, edges and solid angles have a definite relationship with each other. This
relationship is expressed by:
(a) Prowen’s formula.
(b) Nicholas’s formula.
(c) Euler’s formula.
(d) None of these.
Answer. (c)
Q.2: The crystal form which do not have eighter plane or centre of symmetry are known as:
(a) Hemihedral form.
(b) Hemi-morphic form.
(c) Enantiomorphic form.
(d) Tetrahedral form.
Answer. (c)
Q.3: Diametral prisms formed by the combination of:
(a) Four pedions.
(b) Two pinacoids.
(c) Three prisms.
(d) Three pinacoids.
Answer. (d)
Q.4: Match the following:
I ll
1. Centre of symmetry. i. Repetition is with respect to a plane.
2. Axis of symmetry. ii. Repetition is with respect to a line.
3. Plane of symmetry. iii. Repetition is with respect to a point.
(a) 1-iii, 2-ii, 3-i.
(b) 1-ii, 2-i, 3-iii.
(c) 1-i, 2-ii, 3-iii.
(d) None of the above.
Answer. (a)
Q.5: Mark the correct statement about the “Law of constancy of Interfacial-angle”:
(a) The interfacial-angles of crystals of a particular mineral remain always constant.
(b) The atomic structure of the crystals of a particular mineral is fixed.
(c) The position of faces of the crystals of a particular mineral is equal.
(d) All are correct.
Answer. (d)
Q.6: Law of rational-indices mainly base on the position of:
(a) Faces.
(b) Edges.
(c) Solid angles.
(d) lnter-facial angle.
Answer. (a)
Q.7: The classification of the crystal systems is based on:
(a) Angular relationship existing between the crystallographic axes.
(b) Number of crystallographic axes.
(c) Relative length of the crystallographic.
(d) All the above.
Answer. (d)
Q.8: The highest degree of symmetry is shown by.... and the lowest degree of symmetry is
shown by .... respectively:
(a) Cubic system and triclinic system.
(b) Cubic system and monoclinic system.
(c) Hexagonal system and monoclinic system.
(d) Tetragonal system and monoclinic system.
Answer. (a)
Q.9: The Isometric system is characterized by:
(a) 3 axes of 4 fold symmetry
(b) 4 axes of 3 fold symmetry.
(c) 2 axes of 4 fold symmetry
(d) 6 axes of 5 fold symmetry
Answer. (b)
Q.10: Match the following correctly:
I II
1. Dodecahedron. I.Trapezium face
2. Trapezohedron. ii. Sclene triangle
3. Trisoctahedron. iii. Rhombic face.
4. Hexaoctahedron. iv. Isoscales.
(a) 1-I, 2-ii, 3-iii, 4-iv
(b) 1-iii, 2-I, 3-iv, 4-ii
(c) 1-iv, 2-iii, 3-ii, 4-i
(d) 1-iii, 2-i, 3-ii, 4-iv
Answer. (b)
Q.11: Match the following correctly:
I II
1. lsometric system. i. Galena-type.
2. Hexagonal system. ii. Beryl-type.
3. Tetragonal system. iii. Zircon-type.
4. Orthorhombic system. iv. Baryte-type
(a) 1-i, 2-ii, 3-iii, 4-iv.
(b) 1-ii, 2-iv, 3-iii, 4- i.
(c) 1-iv, 2-ii, sin, 4-i.
(d) 1-i, 2-iv, 3-iii, 4-ii.
Answer. (a)
Q.12: TetragonaI system is characterised by:
(a) Plane of symmetry.
(b) Axis of symmetry.
(c) Centre of symmetry.
(d) All the above.
Answer. (b)
Q.13: Mark the correct statement regarding three horizontal axes of Hexagonal system:
(a) Equal in length.
(b) Interchangeable.
(c) lntersecting each other at angles of 60
(d) All the correct.
Answer. (d)
Q.14: What is the symbol for prism of the 1st order of Normal class of Hexagonal system:
(a) 1010.
(b) 1120.
(c) 1101.
(d) 0110.
Answer. (a)
Q.15: Orthorhombic system shows the plane of symmetry as:
(a) Axial only.
(b) Diagonal only.
(c) Axial and Diagonal.
(d) lndetermined.
Answer. (a)
Q.16: What will be the symbol of Macro dome:
(a) okl.
(b) hol.
(c) hkl.
(d) hko.
Answer. (b)
Q.17: What is the characteristic symmetry of Monoclinic system:
(a) 2 axis of ll fold.
(b) 1 axis of ll fold.
(c) 1 axis of Ill fold.
(d) 2 axis of IV fold.
Answer. (b)
Q.18: Mark the correct one regarding orientation of the triclinic crystal:
(a) Any axis is placed vertically.
(b) The longer lateral axis is made to extend downwards to the right.
(c) The front-rear axis downward to the front.
(d) All are correct.
Answer. (d)
Q.19: ln orthorhombic system the ‘a’ axis is known as.... and the ‘b’ axis is known as
respectively:
(a) Macro axis and Brachy axis.
(b) Brachy axis and Macro axis.
(c) Macro both.
(d) Brachy both.
Answer. (b)
Q.20. Which mineral is not crystallized in Orthorhombic system:
(a) Sulphur.
(b) Staurolite.
(c) Augite.
(d) Andalusite.
Answer. (c)
Q.21: ln monoclinic system the ‘b’ axis known as the.... and the ‘a’ axis known as….
Respectively:
(a) Ortho axis and clino axis.
(b) Clino axis and Ortho axis.
(c) Clino axis and Brachy axis.
(d) Ortho axis and Macro axis.
Answer. (a)
Q.22: The normal class of monoclinic system is:
(a) Barite type.
(b) Beryl type.
(c) Gypsum type.
(d) Aximite type.
Answer. (c)
Q.23: Mark incorrect statement regarding symmetry of normal class of Triclinic system:
(a) No plane of symmetry.
(b) No axis of symmetry.
(c) No centre of symmetry.
(d) Centre of symmetry present.
Answer. (c)
Q.24: The pedal class of Triclinic system is characterized by:
(a) 4 axes of 3 fold symmetry.
(b) 1 axes of 4 fold symmetry.
(c) No plane, no axis, and no centre of symmetry.
(d) Only one plane of symmetry.
Answer. (c)
Q.25: Stereogram of a crystal shows primarily:
(a) The interfacial angles projected on the stereogram in the forms of arcs and straight lines.
(b) The distribution of faces in the zones.
(c) A symmetry in the distribution of faces.
(d) All the above.
Answer. (d)
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