geomorphology & earth landforms section 4 MCQ Questions & Answers Detailed Explanation
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The following question based on Geomorphology & Earth landforms topic of indian geography mcq
(a) 9 hrs
(b) 3 hrs
(c) 12 hrs
(d) 6 hrs
The correct answers to the above question in:
Answer: (d)
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Read more geomorphology earth landforms Based Indian Geography Questions and Answers
Question : 1
Earthquake is caused by
a) breakage of rock system
b) disturbance of earth surface
c) upliftment of rocks
d) adjustment of layers of earth’s crust
Answer »Answer: (b)
Most earthquakes are minor tremors. Larger earthquakes usually begin with slight tremors but rapidly take the form of one or more violent shocks, and end in vibrations of gradually diminishing force called aftershocks.
The subterranean point of origin of an earthquake is called its focus; the point on the surface directly above the focus is the epicentre.
Question : 2
The Great Artesian Basin (GAB) is located in
a) Russia
b) U.S.A.
c) Brazil
d) Australia
Answer »Answer: (d)
Question : 3
The tropical grassland is called
a) Savanah
b) Pampas
c) Veld
d) Llanas
Answer »Answer: (a)
Tropical grasslands (Savannas) are located near the equator, between the Tropic of Cancer and the Tropic of Capricorn. They cover much of Africa as well as large areas of Australia, South America, and India.
They are found in tropical wet and dry climates. These areas are hot year-round, usually never dropping under 64 degrees Fahrenheit. Although these areas are overall very dry, they do have a season of heavy rain. Annual rainfall is from 20-50 inches per year. It is crucial that the rainfall is concentrated in six or eight months of the year, followed by a long period of drought when fires can occur.
Savannas are associated with several types of biomes. Savannas are frequently in a transitional zone between forest and desert or grassland. Savanna covers approximately 20% of the Earth’s land area.
Question : 4
Widening of a river valley takes place due to
a) Corrasion
b) Corrosion
c) Hydraulic action
d) Lateral erosion
Answer »Answer: (d)
Lateral or sideways erosion widens the river valley; while, Vertical or downward erosion deepens the river valley. Due to continued lateral erosion, the river valley increasingly becomes broader and shallower.
The valley slopes are also eroded by weathering and mass wasting and by the development of tributary valleys.
Question : 5
Hydraulic Action is a type of erosion caused by
a) Glacier
b) Running water
c) None of these
d) Wind
Answer »Answer: (b)
Hydraulic action is one of the main forms of river erosion (example of erosion due to running water) in which the force of the river against the banks can cause air to be trapped in cracks and crevices.
The pressure weakens the banks and gradually wears it away.
Question : 6
Hanging Valley is very common in
a) glaciated areas
b) high mountains
c) coastal belt
d) sub-Arctic region
Answer »Answer: (a)
When the glaciers melt, the tributary troughs are left as hanging valleys high on the walls of the main glacial valley. A hanging valley is a tributary valley with the floor at a higher relief than the main channel into which it flows.
They are most commonly associated with U-shaped valleys when a tributary glacier flows into a glacier of larger volume.
GET Geomorphology & Earth landforms PRACTICE TEST EXERCISES
geomorphology & earth landforms section 1
geomorphology & earth landforms section 2
geomorphology & earth landforms section 3
geomorphology & earth landforms section 4
geomorphology & earth landforms section 5
geomorphology & earth landforms section 6
geomorphology & earth landforms section 7
geomorphology & earth landforms section 8
geomorphology & earth landforms section 9
geomorphology & earth landforms section 10
Geomorphology & Earth landforms Shortcuts and Techniques with Examples
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