Lithosphere – II Exogenetic Processes

Samacheer Book Back Questions And Answers For Geography Standard 9 Full Book “Lithosphere – II Exogenetic Processes”

I. Choose the best answer:
1. The disintegration or decomposition of rocks is generally called as
a. weathering
b. erosion
c. transportation
d. deposition

2. The process of the levelling up of land by means of natural agents.
a. aggradation
b. degradation
c. gradation
d. none

3. _____ is seen in the lower course of the river.
a. Rapids
b. Alluvial fan
c. Delta
d. Gorges

4. Karst topography is formed due to the action of _____
a. Glacier
b. Wind
c. Sea waves
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

6. Deposits of fine silt blown by wind is called as _____.
a. Loess
b. Barchans
c. Hamada
d. Ripples

7. Stacks are formed by _____.
a. Wave erosion
b. River erosion
c. Glacial erosion
d. Wind deposion

8. _____ erosion is responsible for the formation of cirque
a. wind
b. glacial
c. river
d. underground water

9. Which one of the following is a second order land form?
a. Asia
b. Deccan Plateau
c. Kulu valley
d.Marina Beach.

II. Match the following:
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. C
2. D
3. A
4. E
5. B

III. Consider the given statements and choose the right option given below:
1. (i). ‘I’ Shaped valley is an erosional feature of the river
(ii) ‘U’ Shaped valley is an erosional feature of the glacier
(iii) ‘V’ Shaped valley is an erosional feature of the glacier
a. i, ii & iii are right
b. i & ii are right
c. i & iii are right
d. only I is right

2. Statement I: Running water is an important agent of gradation
Statement II: The work of the river depends on the slop of land on which if flows
a. Statement I is false II is true
b. Statement I and II are false
c. Statement I is true II is false
d. Statement I and II are true

3. 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