Landforms and Their Formation NDA Questions

NDA Physical Geography

Landforms and Their Formation MCQ Questions


1.
The work of running water involves three main processes in landscape formation:
A.
Infiltration, evaporation, and transpiration
B.
Weathering, mass wasting, and transportation
C.
Erosion, transportation, and deposition
D.
Uplift, folding, and faulting
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ANSWER :
C. Erosion, transportation, and deposition
2.
The lowest level to which a river can erode its bed is termed:
A.
Grade level
B.
Sea level
C.
Base level
D.
Flood level
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ANSWER :
C. Base level
3.
A graded river is one that:
A.
Has achieved dynamic equilibrium — gradient just sufficient to transport sediment supplied without net erosion or deposition
B.
Has a perfectly straight channel
C.
Always flows at the same speed
D.
Has reached base level and stopped flowing
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ANSWER :
A. Has achieved dynamic equilibrium — gradient just sufficient to transport sediment supplied without net erosion or deposition
4.
The long profile of a river is typically:
A.
Convex upward — steeper downstream
B.
Irregular with random ups and downs
C.
Concave upward — steep near source, gentle near mouth
D.
Straight from source to mouth
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ANSWER :
C. Concave upward — steep near source, gentle near mouth
5.
Corrosion (solution) as a river erosion process refers to:
A.
Force of water breaking rock apart
B.
Rock fragments grinding the riverbed
C.
River water chemically dissolving soluble rock minerals
D.
Sediment particles wearing each other down
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ANSWER :
C. River water chemically dissolving soluble rock minerals
6.
Saltation in river transport involves particles:
A.
Carried suspended in the water column
B.
Bouncing along the riverbed in a leaping motion
C.
Rolling and sliding along the bed
D.
Flowing in chemical solution
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ANSWER :
B. Bouncing along the riverbed in a leaping motion