geomorphology & earth landforms section 2 MCQ Questions & Answers Detailed Explanation
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The following question based on Geomorphology & Earth landforms topic of indian geography mcq
- Earthquake
- Volcanoes
- Pacific Ocean
- Forest Fires
(a) 2 and 4
(b) 1, 2 and 3
(c) 1, 2, 3 and 4
(d) 2 and 3
The correct answers to the above question in:
Answer: (b)
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Read more geomorphology earth landforms Based Indian Geography Questions and Answers
Question : 1
What is the International Date Line?
a) It is the 90° east longitude
b) It is the equator
c) It is the 180° longitude
d) It is the 0° longitude
Answer »Answer: (c)
The International Date Line (IDL) is an imaginary line on the surface of the Earth, that runs from the north to the south pole and demarcates one calendar day from the next.
It passes through the middle of the Pacific Ocean, roughly following the 180° longitude but it deviates to pass around some territories and island groups.
Question : 2
Consider the following statements about Epeirogenic movement:
- These are horizontal movements caused by tangential forces.
- They cause large scale upliftment, subsidence of submergence and emergence of the land areas.
- These movements are rather quick and widespread and fracturing and folding is produced in the rock.
a) 1 and 3
b) 1 only
c) All of these
d) 2 only
Answer »Answer: (d)
Epeirogenic movements are vertical movements, caused by radial forces and characterised by slow, widespread, largescale upliftment, subsidence or submergence and the emergence of land areas.
Orogenic movements are horizontal movements caused by tangential forces and involve intense folding, thrusting, faulting and uplift of narrow belts. Richter scale – the severity of an earthquake
Question : 3
The basis of deciding standard time of any place is
a) International Date Line
b) Longitude
c) Prime Meridian
d) Latitude
Answer »Answer: (c)
Question : 4
With reference to river as an agent of gradation, consider the following statements:
- As a river overflows its banks during a flood, it drops much of its coarser-grained load immediately, forming landforms called natural levees.
- Particles that roll and slide along the river bottom are called bed load.
- At a bend in a river, deposition occurs on the outside of the bend and erosion occurs on the inside of the bend.
a) 1, 2 and 3
b) 1 only
c) None
d) 1 and 2
Answer »Answer: (d)
Generally, the river deposits coarse sediments on its banks. This deposition takes place every year. It raises the level of banks and takes the shape of natural embankments. Deposition of sediments also takes place in the channel of the river.
It raises the bed of the river. It is on account of this reason that during floods the river again cuts through its banks and spreads out and floods the surrounding areas.
Question : 5
An up fold in rock is:
a) anticline
b) graben
c) syncline
d) horse
Answer »Answer: (a)
Question : 6
The greatest erosive power of a river is associated with
a) inter-locking spurs
b) gorges
c) V-shaped valley
d) meanders
Answer »Answer: (d)
The erosive power of a stream is proportional to the square of the velocity. Thus, when discharge increases, the depth increases and the velocity increases, resulting in a dramatic increase of erosive power.
As the volume flowing in a stream increases, the stream's erosive power also increases. At a bend in a stream, the water's momentum carries the mass of the water against the outer bank. The greater depth on the outer side of the bend also leads to a higher velocity at the outer bank.
The greater velocity combined with the greater inertial force on the outer bank erodes a deeper channel. The result of all these actions is a meander
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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