One Mark Questions Answers

Social Science : Geography

LITHOSPHERE – II

EXOGENETIC PROCESSES

I. Choose the correct answers:

1. The disintegration or decomposition of rocks is generally called as

a) Weathering

b) erosion

c) transportation

d) deposition

Answer : a) Weathering

2. The process of levelling up of land by means of natural agents

a) aggradation

b) degradation

c) gradation

d) none

Answer : c) gradation

3. _____ is seen in the lower course of the river

a) Rapids

b) Alluvial fan

c) Delta

d) Gorges

Answer : c) Delta

4. Karst topography is formed due to the action of

a) Glacier

b) Wind

c) Sea waves

d) Ground water

Answer : d) Ground water

5. Which one of the following is not a depositional feature of a glacier?

a) cirque

b) Moraines

c) Drumlins

d) Eskers

Answer : a) Cirque

6. Deposits of fine silt blown by wind is called as

a) Loess

b) Barchans

c) Hamada

d) Ripples

Answer : a) Loess

7. Stacks are formed by

a) Wave erosion

b) River erosion

c).Glacial erosion

d) Wind deposition

Answer : a) Wave erosion

8. _____ erosion is responsible for the formation of cirque

a) Wind

b) Glacial

c) River

d) Underground water

Answer : b) Glacial

II. Match the following

I - II

1. Distributaries – a. Glacial action

2. Mushroom rock – b. Action of sea wave

3. Eskers – c. Lower course of river

4. Stalactites – d. Aeolian process

5. Cliff – e. Karst topography

Answers

1. Distributaries – Lower course of river

2. Mushroom rock – Aeolian process

3. Eskers – Glacial action

4. Stalactites – Karst topography

5. Cliff – Action of sea wave

III. Consider the given statements and choose the right option given below

i) 1. ‘I’ shaped valley is an erosional feature of the river

2. 'U' shaped valley is an erosional feature of the glacier

3. 'V' shaped valley is an erosional feature of the glacier 

a. i, ii, & iii are correct

b. i & ii are correct

c. i & iii are correct

d. only i is correct

Answer : b) i & ii are right

ii) Statement I : Running water is an important agent of gradation

Statement II : The work of the river depends on the slope of land on which it flows

a. Statement I is false and II is true

b. Statement I and II are false

c. Statement I is true and II is false

d. Statement l and II are true

Answer : d) Statement I and II are true

iii) Statement : Limestone regions have less underground water.

Reason : Water does not percolate through limestone

a. The statement is right reason is wrong

b. The statement is wrong reason is right

c. The statement and reason are wrong

d. The statement and reason are right

Answer : a)The statement is right reason is wrong