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) Russia
(b) U.S.A.
(c) Brazil
(d) Australia
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
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 : 2
Mounds of sand formed by wind action are called
a) Dunes
b) Cliffs
c) Hamadas
d) Cirques
Answer »Answer: (a)
Cliff is a high and extremely steep rock face that approaches the vertical, either inland or along a coastline.
Cirque refers to a deep rounded hollow having steep sides, formed through erosion by snow and ice.
Dune is a hill or ridge of sand accumulated and sorted by wind action.
Question : 3
The minimum short-term natural hazard is
a) volcanic eruption
b) blizzard
c) bolt of lightning
d) earthquake
Answer »Answer: (c)
Volcanic eruptions, earthquakes, flash floods, landslides, severe thunderstorms, lightning, and wildfires are all examples of sudden natural hazards which develop with little warning and strike rapidly.
However, a bolt of lightning is the minimum short term hazard of all which lasts few seconds. Lighting is one of the most spectacular results of a thunderstorm.
Question : 4
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 : 5
If the difference of longitudes for the two places is 90º, then time interval between these places will be
a) 9 hrs
b) 3 hrs
c) 12 hrs
d) 6 hrs
Answer »Answer: (d)
Question : 6
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.
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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