Q.1
The main processes which does not come under chemical weathering are ____________
  • a) Solution
  • b) Hydration and hydrolysis
  • c) Insolation
  • d) Carbonation
Q.2
The rock-mineral insoluble in water is ____________
  • a) Rock salt
  • b) Gypsum
  • c) Calcite
  • d) Pyrite
Q.3
Limestone is not easily soluble in pure water but carbonated water dissolves the rock effectively.
  • a) False
  • b) True
Q.4
Minerals like Orthoclase and Felspar undergo which method of chemical decomposition?
  • a) Hydration
  • b) Hydrolysis
  • c) Oxidation
  • d) Reduction
Q.5
Which of the following is reduction?
  • a) Removal of hydrogen
  • b) Removal of electron
  • c) Removal of oxygen
  • d) Addition of oxygen
Q.6
2KaISi3O + 2H + CO2 → Al2Si2O5(OH) + K2CO + 4SiO2
  • a) Illite
  • b) Kaolinite
  • c) Montmorillonite
  • d) Halloysite
Q.7
Which of the following about Spheroidal weathering is not true?
  • a) It is a complex type of weathering
  • b) Both mechanical and chemical weathering are believed to happen
  • c) Formation of joints is involved
  • d) Formation of joints is not involved
Q.8
Factor not affecting weathering is ____________
  • a) Colour of the rock
  • b) Nature of the rock
  • c) Climate
  • d) Physical environment
Q.9
It is said that Sandstone is more resistant to weathering compared to Granite. What is the basic reason behind this phenomenon?
  • a) The external outline form of sandstone
  • b) Sandstone is harder than granite
  • c) Granite is mainly made of quartz
  • d) Sandstone is mainly made of quartz
Q.10
Identify the pair mismatched.
  • a) Cold and humid – Both mechanical and chemical weathering
  • b) Dry and cold – Neither of them
  • c) Hot and humid – Mechanical weathering is predominant
  • d) Hot and dry – Mechanical weathering is predominant
Q.11
Which of the following rock forming minerals is more resistant to weathering compared to Hornblende?
  • a) Augite
  • b) Biotite
  • c) Olivine
  • d) Calcite
Q.12
Which of the following is true about Eluvium?
  • a) It is that category of end product of weathering that has been moved to some distance after its formation
  • b) It is associated with weathering of slopes
  • c) It is the end product of weathering that happens to lie over and above the parent rock
  • d) Regolith is not the other name for Eluvium
Q.13
The zone consisting of mixed composition is ____________
  • a) Zone A
  • b) Zone B
  • c) Zone C
  • d) Zone D
Q.14
Among the following the term which is not effect of chemical weathering is ____________
  • a) Scree formation
  • b) Disfiguring
  • c) Pitting
  • d) Honeycombing
Q.15
Formation of colloids is sometimes the end product of weathering.
  • a) True
  • b) False
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