geomorphology & earth landforms section 5 MCQ Questions & Answers Detailed Explanation

Question : 1

Earthquakes are generally associated with :

a) Folds

b) Joints

c) Schistosity

d) Faults

Question : 2

About 95 per cent of active volcanoes occur at the

1. plate subduction zones
2. transform faults
3. island arcs
4. mid-oceanic ridges

a) 1 and 4

b) 1 and 2

c) 1, 2, 3 and 4

d) 1 only

Question : 3

The angle between the magnetic meridian and the geographical meridian at a place is

a) Declination

b) Azimuth

c) Latitude

d) Dip

Question : 4

Regarding sedimentary rocks which of the following statements is true?

a) These rocks are deposited in layers

b) These are such rocks whose structure depend on temperature and pressure

c) These rocks cannot be formed in water

d) These rocks are crystal

Question : 5

With reference to the development of a River Valley consider the following statements and choose the correct one.

1. In the upper course of a river, there is the maximum gradient of the slope. In this part, the river has maximum erosive capacity. There is more down cutting than lateral cutting.
2. In the middle course the erosion and the deposition capacity of the river are almost equal. In this part, the river flows relatively with mild velocity.
3. In the lower course, the river runs at a slow speed or is slow-paced. Its chief work is deposition.

a) 1 and 3

b) 1 only

c) 1, 2 and 3

d) 2 and 3

Question : 6

The sideways erosion which widens the river valley called?

a) Side Corrosion

b) Lateral Corrosion

c) Mean Corrosion

d) Vertical Corrosion