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) Glacier
(b) Running water
(c) None of these
(d) Wind
The correct answers to the above question in:
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.
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Read more geomorphology earth landforms Based Indian Geography Questions and Answers
Question : 1
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 : 2
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 : 3
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 : 4
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.
Question : 5
Which of the following periods has generally been considered to be the ‘Littile Ice Age’?
a) 1650 A.D. - 1870 A.D.
b) 750 A.D. - 850 A.D.
c) 8000 to 10,000 years B.P. (Before Present)
d) 950 A.D. - 1250 A.D.
Answer »Answer: (a)
Question : 6
A ship is moving from the Eastern side of Aleutian Islands towards Dutch harbor. It crosses 180º meridian on 1st January, 1999 at 23:30 hr. After crossing the meridian captain of the ship will note what time and date in his diary?
a) January 3, 00:30 hr
b) January 1, 00:30 hr
c) January 4, 00:30 hr
d) January 2, 00:30 hr
Answer »Answer: (d)
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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