geomorphology & earth landforms section 5 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 16 [SSC CML 2002]

The main cause of recurring flood is

a) Silting of river beds

b) Soil erosion

c) All of the above

d) Deforestation

Question : 17 [RAS/RTS (Pre) 1992]

Which of the following pair is correct?Country Grass Fields

a) Venezuela - Savanna

b) Kenya - Campos

c) United States - The Steppe of America

d) Argentina - Pampas

Question : 18 [SSC 2016]

The sideways erosion which widens the river valley called?

a) Side Corrosion

b) Lateral Corrosion

c) Mean Corrosion

d) Vertical Corrosion

Question : 19

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 : 20 [PSC (Pre) 2019]

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