71). Match the following
Highest peak | Country | A. Mount Logan | 1. Australia | B. Mount McKinley | 2. USA | C. Mount Kosciusko | 3. Canada |
Options are given in ABC order
A). 1 3 2 |
B). 1 2 3 |
C). 3 2 1 |
D). 2 3 1 |
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72). In which type of rocks are coal and petroleum found?
A). Igneous |
B). Metamorphic |
C). Granite |
D). Sedimentary |
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73). Which metal is most abundant in the earth's crust?
A). Aluminium |
B). Calcium |
C). Magnesium |
D). Iron |
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74). Molten rock below the surface of the earth is called:
A). Basalt |
B). Laccolith |
C). Lava |
D). Magma |
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75). The Himalayas were formed due to :
A). folding of the geo-syncline named Tethys |
B). internal pressure of two large land forms |
C). faulting of the earth's crust |
D). folding of the earth's crust |
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76). What is weathering?
A). Removal of earth's material by river action |
B). Breaking up and disintegration of rocks |
C). Removal of earth's material by wind action |
D). Hardening up of rocks due to weather conditions |
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77). Which of the following is a chemical weathering process?
A). Hydraulic Action |
B). Frost Action |
C). Oxidation |
D). Thermal Expansion |
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78). Which of the following predominantly acts as the agent of chemical erosion of soil?
A). glacier |
B). sea-wave |
C). underground water |
D). wind |
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79). 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 |
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80). Which of the following represents the process of chemical weathering?
A). Thermal expansion and contraction |
B). Mass exfoliation |
C). Hydration and Hydrolysis |
D). Frost action and crystal growth |
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