Rocks Basic Terms MCQ

Test your knowledge with important Rocks Basic Terms MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Rocks Basic Terms MCQs at Bissoy

• The dip of a layer measured in the direction that is at the right angle to strike is _____________
  ক

  True dip

  খ

  Apparent dip

  গ

  Straight dip

  ঘ

  Normal dip
• Foliation is a primary structure of which type of rock?
  ক

  Igneous rock

  খ

  Sedimentary rock

  গ

  Metamorphic rock

  ঘ

  Not associated with any rock
• The study of outcrop dimensions doesn’t involve which of the following aspect?
  ক

  Width

  খ

  Thickness and depth

  গ

  Dip and strike

  ঘ

  Rock composition and type
• At a dam site, a bed of sandstone is exposed on horizontal ground. If it is 25° towards East. Its width of outcrop on a level ground is 240 m, what is its vertical thickness?
  ক

  101.9 m

  খ

  99.9 m

  গ

  111.9 m

  ঘ

  121.9 m
• A coal seam is exposed on a horizontal ground. If it is 30° towards West. Its width of outcrop on a level ground is 360 m. What is its true thickness?
  ক

  120 m

  খ

  150 m

  গ

  160 m

  ঘ

  180 m
• The dip which involves tectonic forces is _____________
  ক

  Primary dip

  খ

  Secondary dip

  গ

  Local and Regional dip

  ঘ

  No dip involves tectonic forces
• The term “intrusion” is basically associated with which type of rock?
  ক

  Igneous rock

  খ

  Sedimentary rock

  গ

  Metamorphic rock

  ঘ

  Not associated with any type of rock
• Which among the following is not a type of dip?
  ক

  Widespread dip

  খ

  Primary dip

  গ

  Secondary dip

  ঘ

  Local and regional dip
• Angle of dip is measured using which instrument?
  ক

  Compass

  খ

  Theodolite

  গ

  Tacheometer

  ঘ

  Clinometer
• The maximum angle of inclination of a layer of a rock with the horizontal is _____________
  ক

  Dip

  খ

  Heave angle

  গ

  Strike

  ঘ

  Depth
• Which of the following about lamination is not true?
  ক

  It is closely related to stratification

  খ

  It is literally paper thin

  গ

  It is a layered structure developed in extremely fine grained igneous rocks

  ঘ

  It is a layered structure developed in extremely fine grained sedimentary rocks
• Most widespread rock on earth is _____________
  ক

  Igneous rock

  খ

  Sedimentary rock

  গ

  Metamorphic rock

  ঘ

  All are in equal quantities
• Outcrop is seen on land everywhere on earth.
  ক

  True

  খ

  False
• Stratification can be seen widely in which of the following rocks?
  ক

  Igneous rocks

  খ

  Metamorphic rocks

  গ

  Sedimentary rocks

  ঘ

  Fossil rocks
• The branch of geology which deals with the morphology, classification, mechanism and causes of development of these rock structures is called as ___________
  ক

  Rock geology

  খ

  Structural geology

  গ

  Basic geology

  ঘ

  Lithology