Match the following :
A B C D
3 1 4 2
4 3 2 1
2 1 3 4
1 2 3 4
The term ‘rock’ comprises :
(a) an aggregate of minerals, usually two or more
(b) a naturally occurring mass of solid, inorganic or organic
(c) forming a firm and coherent mass of the earth’s crust
(d) all of the above
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
Which of the following predominantly acts as the agent of chemical erosion of soil ?
(a) Glacier
(b) Seawave
(c) Underground water
(d) Wind
Which of the following is a chemical weathering process ?
(a) Frost Action
(b) Hydraulic Action
(c) Oxidation
(d) Thermal Expansion
What is Weathering ?
(a) Removal of earth’s material by river action
(b) Removal of earth’s material by wind action
(c) Breaking up and disintegration of rocks
(d) Hardening up of rocks due to weather conditions
The Himalayas are formed due to :
(a) internal pressure of two large land forms
(b) faulting of the earth’s crust
(c) folding of the earth’s crust
(d) folding of the geo-syncline named Tethys
Molten rock below the surface of the earth is called :
(a) Basalt
(b) Laccolith
(c) Lava
(d) Magma
Which metal is most abundant in the earth's crust ?
(a) Calcium
(b) Magnesium
(c) Aluminium
(d) Iron
In which type of rocks are coal and petroleum found ?
(a) Granite
(b) Igneous
(c) Metamorphic
(d) Sedimentary
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