Crystallography MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important Crystallography MCQs for Preparation.
The student can clear their concepts for Crystallography online quiz by attempting it. Doing MCQs based Crystallography will help you to check your understanding and identify areas of improvement.
Crystallography Online MCQs with Answers
Which of the following is the branch of science that deals with the study of crystals?
a) Crystallography
b) Mineralogy
c) Geology
d) Petrology
The repeating pattern of a crystal is called:
a) Crystal lattice
b) Crystal structure
c) Crystal habit
d) Crystal face
The smallest repeating unit in a crystal lattice is called:
a) Unit cell
b) Lattice point
c) Crystal system
d) Space group
How many crystal systems are there?
a) 3
b) 5
c) 7
d) 9
Which crystal system has three axes of equal length that intersect at 90 degrees?
a) Cubic
b) Tetragonal
c) Orthorhombic
d) Hexagonal
Which crystal system has three axes of equal length that intersect at angles other than 90 degrees?
a) Cubic
b) Tetragonal
c) Orthorhombic
d) Hexagonal
Which crystal system has three axes of different lengths that intersect at 90 degrees?
a) Cubic
b) Tetragonal
c) Orthorhombic
d) Hexagonal
The crystal system that has a four-fold rotational symmetry is:
a) Cubic
b) Tetragonal
c) Orthorhombic
d) Hexagonal
Which crystal system has a six-fold rotational symmetry?
a) Cubic
b) Tetragonal
c) Orthorhombic
d) Hexagonal
The crystal system that has a two-fold rotational symmetry is:
a) Cubic
b) Tetragonal
c) Orthorhombic
d) Hexagonal
How many Bravais lattices are there?
a) 5
b) 7
c) 9
d) 14
Which of the following is not a Bravais lattice?
a) Simple cubic
b) Body-centered cubic
c) Face-centered cubic
d) Hexagonal close-packed
The crystal structure of sodium chloride (NaCl) is an example of:
a) Simple cubic lattice
b) Body-centered cubic lattice
c) Face-centered cubic lattice
d) Hexagonal close-packed lattice
The crystal structure of iron (Fe) is an example of:
a) Simple cubic lattice
b) Body-centered cubic lattice
c) Face-centered cubic lattice
d) Hexagonal close-packed lattice
The crystal structure of graphite is an example of:
a) Simple cubic lattice
b) Body-centered cubic lattice
c) Face-centered cubic lattice
d) Hexagonal close-packed lattice
Which of the following is an example of a non-crystalline or amorphous solid?
a) Diamond
b) Quartz
c) Glass
d) Ruby
The phenomenon of X-ray diffraction is used to study:
a) Crystal structures
b) Mineral compositions
c) Rock formations
d) Gemstone properties
The Bragg’s Law relates the angles of incidence and diffraction to the:
a) Crystal lattice
b) Crystal structure
c) Crystal habit
d) Crystal face
In crystallography, the term “Miller indices” refers to:
a) A method of determining crystal symmetry
b) A system for describing crystal lattice directions and planes
c) A technique for measuring crystal density
d) A classification system for crystal habit
The concept of “polymorphism” in crystallography refers to:
a) The ability of a crystal to exhibit different colors
b) The presence of impurities in a crystal lattice
c) The occurrence of multiple crystal structures for a given chemical compound
d) The formation of defects in a crystal structure
The crystal system that has the highest symmetry is:
a) Cubic
b) Tetragonal
c) Orthorhombic
d) Hexagonal
The crystal system that has the lowest symmetry is:
a) Cubic
b) Tetragonal
c) Orthorhombic
d) Triclinic
The crystal system that has a three-fold rotational symmetry is:
a) Cubic
b) Tetragonal
c) Trigonal
d) Hexagonal
The crystal system that has a five-fold rotational symmetry is:
a) Cubic
b) Tetragonal
c) Trigonal
d) Pentagonal
The crystal system that has a mirror plane is:
a) Cubic
b) Tetragonal
c) Orthorhombic
d) Monoclinic
The crystal system that has a glide plane is:
a) Cubic
b) Tetragonal
c) Orthorhombic
d) Rhombohedral
The crystal system that has a screw axis is:
a) Cubic
b) Tetragonal
c) Monoclinic
d) Triclinic
The crystal system that has a center of symmetry is:
a) Cubic
b) Tetragonal
c) Orthorhombic
d) Triclinic
The crystal system that has a rotoinversion axis is:
a) Cubic
b) Tetragonal
c) Orthorhombic
d) Rhombohedral
The crystal system that has no symmetry elements other than the identity operation is:
a) Cubic
b) Tetragonal
c) Orthorhombic
d) Triclinic
The crystal system that has both a mirror plane and a glide plane is:
a) Cubic
b) Tetragonal
c) Orthorhombic
d) Monoclinic
The crystal system that has both a screw axis and a glide plane is:
a) Cubic
b) Tetragonal
c) Monoclinic
d) Triclinic
The crystal system that has both a screw axis and a mirror plane is:
a) Cubic
b) Tetragonal
c) Monoclinic
d) Triclinic
The crystal system that has both a center of symmetry and a rotoinversion axis is:
a) Cubic
b) Tetragonal
c) Orthorhombic
d) Rhombohedral
The concept of “stereographic projection” in crystallography is used to:
a) Represent crystal structures in two dimensions
b) Determine crystal density
c) Analyze crystal defects
d) Describe crystal growth patterns
The concept of “twinning” in crystallography refers to:
a) The presence of impurities in a crystal lattice
b) The simultaneous occurrence of multiple crystal structures
c) The formation of defects in a crystal structure
d) The intergrowth of two or more crystal domains
The process of “reciprocal lattice” in crystallography is used to:
a) Analyze crystal defects
b) Calculate the diffraction pattern of a crystal
c) Determine crystal symmetry
d) Describe crystal habit
The term “zone axis” in crystallography refers to:
a) A line connecting two lattice points
b) A line connecting two atoms within a crystal
c) A direction within the crystal lattice
d) A plane within the crystal lattice
The concept of “packing fraction” in crystallography refers to:
a) The arrangement of atoms within a crystal lattice
b) The density of a crystal structure
c) The presence of impurities in a crystal lattice
d) The formation of crystal defects
The concept of “interplanar spacing” in crystallography refers to:
a) The distance between two crystal planes
b) The distance between two atoms within a crystal
c) The arrangement of atoms within a crystal lattice
d) The presence of impurities in a crystal lattice
The concept of “reciprocal space” in crystallography is used to:
a) Describe crystal growth patterns
b) Analyze crystal defects
c) Calculate the diffraction pattern of a crystal
d) Determine crystal habit
The crystallographic technique used to determine the atomic arrangement in a crystal is called:
a) X-ray diffraction
b) Scanning electron microscopy
c) Transmission electron microscopy
d) Atomic force microscopy
The crystallographic technique used to study the surface of a crystal is called:
a) X-ray diffraction
b) Scanning electron microscopy
c) Transmission electron microscopy
d) Atomic force microscopy
The crystallographic technique used to study the internal structure of a crystal is called:
a) X-ray diffraction
b) Scanning electron microscopy
c) Transmission electron microscopy
d) Atomic force microscopy
The crystallographic technique used to study the topography and properties of a crystal surface is called:
a) X-ray diffraction
b) Scanning electron microscopy
c) Transmission electron microscopy
d) Atomic force microscopy
The term “Burgers vector” in crystallography refers to:
a) The magnitude and direction of a crystal lattice vector
b) The density of a crystal structure
c) The presence of impurities in a crystal lattice
d) The formation of crystal defects
The term “dislocation” in crystallography refers to:
a) The arrangement of atoms within a crystal lattice
b) The density of a crystal structure
c) The presence of impurities in a crystal lattice
d) The formation of crystal defects
The term “twin boundary” in crystallography refers to:
a) A line connecting two lattice points
b) A line connecting two atoms within a crystal
c) A boundary between two crystal domains
d) A plane within the crystal lattice
The term “morphology” in crystallography refers to:
a) The arrangement of atoms within a crystal lattice
b) The external shape and form of a crystal
c) The presence of impurities in a crystal lattice
d) The formation of crystal defects
The term “growth habit” in crystallography refers to:
a) The arrangement of atoms within a crystal lattice
b) The density of a crystal structure
c) The external shape and form of a crystal
d) The formation of crystal defects