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MCQs

Total Questions : 68 | Page 6 of 7 pages
Question 51. What are the slopes covered by Scree called?
  1.    Scree slope
  2.    Frost slope
  3.    Talus slope
  4.    Trist slope
 Discuss Question
Answer: Option C. -> Talus slope
Answer: (c).Talus slope
Question 52. The stress developed in the top layers of the rocks which disintegrate due to repeated variations in temperatures is ________
  1.    Tensile stress
  2.    Compressive stress
  3.    Shear stress
  4.    Bending stress
 Discuss Question
Answer: Option A. -> Tensile stress
Answer: (a).Tensile stress
Question 53. Which of the following facts about Exfoliation is false?
  1.    It is the phenomenon of peeling off of curved shells from rocks
  2.    The change is accompanied by chemical weathering
  3.    Internal structure of the rock is affected
  4.    It occurs in thick or layered rocks.
 Discuss Question
Answer: Option C. -> Internal structure of the rock is affected
Answer: (c).Internal structure of the rock is affected
Question 54. Which of the following about Spheroidal weathering is not true?
  1.    It is a complex type of weathering
  2.    Both mechanical and chemical weathering are believed to happen
  3.    Formation of joints is involved
  4.    Formation of joints is not involved
 Discuss Question
Answer: Option D. -> Formation of joints is not involved
Answer: (d).Formation of joints is not involved
Question 55. Identify the pair mismatched.
  1.    Cold and humid – Both mechanical and chemical weathering
  2.    Dry and cold – Neither of them
  3.    Hot and humid – Mechanical weathering is predominant
  4.    Hot and dry – Mechanical weathering is predominant
 Discuss Question
Answer: Option C. -> Hot and humid – Mechanical weathering is predominant
Answer: (c).Hot and humid – Mechanical weathering is predominant
Question 56. Which of the following rock forming minerals is more resistant to weathering compared to Hornblende?
  1.    Augite
  2.    Biotite
  3.    Olivine
  4.    Calcite
 Discuss Question
Answer: Option B. -> Biotite
Answer: (b).Biotite
Question 57. Factor not affecting weathering is ____________
  1.    Colour of the rock
  2.    Nature of the rock
  3.    Climate
  4.    Physical environment
 Discuss Question
Answer: Option A. -> Colour of the rock
Answer: (a).Colour of the rock
Question 58. It is said that Sandstone is more resistant to weathering compared to Granite. What is the basic reason behind this phenomenon?
  1.    The external outline form of sandstone
  2.    Sandstone is harder than granite
  3.    Granite is mainly made of quartz
  4.    Sandstone is mainly made of quartz
 Discuss Question
Answer: Option D. -> Sandstone is mainly made of quartz
Answer: (d).Sandstone is mainly made of quartz
Question 59. The least dense layer among the layers under the continental crust is ____________
  1.    A-layer
  2.    B-layer
  3.    C-layer
  4.    D-layer
 Discuss Question
Answer: Option A. -> A-layer
Answer: (a).A-layer
Question 60. The exact nature of the mantle is completely understood.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False

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