Multiple Choice QuestionsLandslides involve :
Downslope movement of individual rock blocks which is usually not perceptible.
Rapid perceptible movement of relatively dry mass of earth debris or bed rock.
Slow to very rapid movement of water saturated rock debris.No
Slow-flowing downslope masses of rock debris saturated with water.
Which of the following pairs is not a correct match of desert and country/continent ?
Atacama desert-South America
Gobi desert-Central Asia
Sonoran-West Asia desert
Great Victorian-Australia desert
One of the proponents of the turbidity current theory of the origin of submarine canyons was
Daly
Dana
Gregory
Salis
The term peneplain refers to
A level surface formed in the old age of fluvial cycle
A level surface formed by wind erosion
A plain formed by marine erosion
A plain formed by joining flood-plains.
In the process of erosion , the removal of material by solution is called
Attrition
Corrassion
Corrosion
Sapping
Who is usually given the credit for establishing the validity of the idea that there was an ice age during which ice sheets covered much of northern Europe ?
Agassiz
Ramsay
Jukes
Penck
Most of the details of our present topography belong to the
Pre-cambrian era
Paleozoic era
Mesozoic era
Cenozoic era
Chemical weathering is more effective than mechanical weathering in
Semi arid region
Arid region
Coastal region
Cool temperate region
ASSERTION (A) : The work of wind as an agent of gradation is not as widespread as that of water.
REASON (R) : I t is effective only in the desert regions of the world where rainfall is scanty and soil particles are loose.
Both (A) and (R) are true and (R) is the correct explanation of (A).
Both (A) and (R) are true but (R) is not the correct explanation of (A).
(A) is true but (R) is false.
(A) is false but (R) is true.
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