1.The rate of erosion in a stream is lowest where :
(a) The river joins the sea
(b) Depth is greater
(c) Breadth is greater
(d) Velocity is more
2.Erosion of soil by a river mainly depends upon—
(a) Its depth
(b) Its length
(c) Its speed at which it flows
(d) Its width
3.Which one of the following processes of weathering belongs to both mechanical and chemical weathering ?
(a) Crystallization
(b) Exfoliation
(c) Hydration
(d) Carbonation
4.The name ‘Sahyadri’ is related to–
(a) A rain-bearing wind
(b) Himalayan Peak
(c) Western Ghats
(d) Cyclone hazards
5.Which of the following is the world’s largest desert?
(a) The Great Australian Desert
(b) Arabian Desert
(c) Gobi
(d) Sahara
6.A drainage pattern occurs when tributaries join a river and erode a valley at right angles.
(a) Rectangular
(b) Radial
(c) Dendritic
(d) Trellis
7.Soil erosion can be prevented by:
(a)allowing herbivorous animals to graze freely
(b)making the land sloppy
(c)adding chemicals to increase cohesion
(d)growing plants on a large scale to form soil cover
8. Exfoliation can be achieved through ______ or ______ means.
(a) mechanical , chemical
(b) mechanical , Physical
(c) Physical , chemical
(d) None of the above
9.Bowl shaped depression created as a result of glacial erosion high on a mountain side is called:
(a) Glacial trough
(b) Hum
(c) Hanging Valley
(d) Cirque
10.A V-shaped valley is a feature produced by:
(a) youthful river
(b) mature river
(c) old river
(d) all of the above
SOLUTIONS
1.A
2.C
3.A
4.C
5.D
6.D
7.D
8.A
9.D
10.A
