Related Questions

________ affect the rate of humus formation of soil.
A Flora & Fauna
B Time
C Temperature
D Parent rock
Which one of the following processes of weathering belongs to both mechanical and chemical weathering?
A Crystallization
B Exfoliation
C Hydration
D Carbonation
The typical soil of tropical region, formed by the weathering of laterite rock, which promotes leaching of the soil is
A laterite soils
B black soil
C red and yellow soil
D peat and marshy soil
Black soil derived from volcanic rocks with humus is suitable for growing
A Rice
B Wheat
C Cotton
D Grapes
The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing
A cohesion and effective angle of shearing resistance
B cohesion and effective unit weight of soil
C effective unit weight of soil and effective angle of shearing resistance
D effective angle of shearing resistance
The removal of rock, layer by layer due to weathering is called ________
A Block disintegration
B Dellation
C Exfoliation
D Granular disintegration
Chemical weathering includes ________
A Oxidation, reduction and exfoliation
B Carbonation, oxidation and exfoliation
C Exfoliation, solution and reduction
D Solution, oxidation and reduction
The most ideal conditions for the chemical weathering are found in ________
A Cold and dry regions
B Cold and humid regions
C Hot and dry regions
D Hot and humid regions
A weathering process in which layers of rocks peel off as expansion alternates with contraction, is known as ________
A Shattering
B Block separation
C Granular disintegration
D Exfoliation
Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its
A friability & oxygen content
B caking index
C yield of carbonized products
D calorific value

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