MCQ Questions for Class 11 Geography Chapter 6 Geomorphic Processes with Answers

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Geomorphic Processes Class 11 MCQs Questions with Answers

I. Choose the correct answer

Question 1.
The branch of science which deals with the study of soil is
(a) Geology
(b) Pedology
(c) Zoology
(d) none of them

Answer

Answer: (b) Pedology


Question 2.
Enrichment of water with nutrients, primarily phosphorus, causing abundant aquatic plant growth is known as
(a) Humification
(b) Diastrophism
(c) Eutrophication
(d) none of these

Answer

Answer: (c) Eutrophication.


Question 3.
Vertical section of the soil through all its horizons and extending into the parent material is called
(a) Soil profile
(b) Rock profile
(c) Mantle
(d) Crustle

Answer

Answer: (a) Soil profile.


Question 4.
The mineral which makes the saline soil useful for crops
(a) calcium
(b) potassium
(c) gypsum
(d) silica

Answer

Answer: (c) gypsum.


Question 5.
Which soil layer is approximately parallel to the soil surface
(a) Soil horizon
(b) Mantle
(c) both of them
(d) none of them

Answer

Answer: (a) Soil horizon.


Question 6.
Name the process by which clay or other fine particles go down the soil profile
(a) Eluviation
(b) illuviation
(c) Leaching
(d) Salinisation

Answer

Answer: (a) Eluviation.


Question 7.
Name the process by which the material is washed down in . the lower horizon of the soil profile :
(a) Eluviation
(b) Illuviation
(c) Leaching
(d) none of these

Answer

Answer: (b) Illuviation.


Question 8.
What process causes the removal and downward movement of material from horizon in solution?
(a) Leaching
(b) Illuviation
(c) Eluviation
(d) none of these

Answer

Answer: (a) Leaching.


Question 9.
The earth has moved and moves
(a) Horizontally
(b) Vertically
(c) both of them
(d) none of them

Answer

Answer: (c) both of them.


Question 10.
The earth’s surface receives energy from
(a) sun
(b) moon
(c) stars
(d) interior gases

Answer

Answer: (a) sun.


Question 11.
Which forces results in the wearing down/degradation of relief?
(a) Endogenetic forces
(b) Exogenetic forces
(c) both of them
(d) none of them

Answer

Answer: (b) Exogenetic forces.


Question 12.
Name the forces which build up parts of the earth’s surface
(a) Endogenetic forces
(b) Exogenetic forces
(c) Gravitation force
(d) none of these

Answer

Answer: (a) Endogenetic forces.


Question 13.
Which force helps in the geomorphic processes?
(a) Endogenetic force
(b) Exogenetic force
(c) both of them
(d) none of them

Answer

Answer: (c) both of them.


Question 14.
Which is the exogenetic element?
(a) water
(b) ice
(c) wind
(d) all of them

Answer

Answer: (d) all of them.


Question 15.
Which one is known as mobile medium?
(a) running water
(b) moving ice
(c) wind
(d) all of these

Answer

Answer: (d) all of these.


Question 16.
Name the force which causes stress on the earth materials?
(a) Endogenetic force
(b) Gravity force
(c) Exogenetic force
(d) none of these

Answer

Answer: (b) Gravity force.


Question 17.
Which one is known as geomorphic agent?
(a) ground water
(b) glaciers
(c) waves
(d) all of them

Answer

Answer: (d) all of them


Question 18.
The movement of molten rock toward the earth’s surface is known as:
(a) Diastrophism
(b) Geomorphism
(c) Volcanism
(d) none of these

Answer

Answer: (a) Volcanism


Question 19.
Denudation is:
(a) weathering
(b) mass wasting
(c) erosion
(d) all of them

Answer

Answer: (d) all of them


Question 20.
Weathering is an process
(a) Exogenetic
(b) Endogenetic
(c) Volcanism
(d) none of these

Answer

Answer: (a) Exogenetic


Question 21.
In which process chemical addition of water takes place?
(a) Solution
(b) Hydration
(c) Oxidation
(d) Carbonation

Answer

Answer: (b) Hydration


Question 22.
Exfoliation can occur due to
(a) Expansion
(b) contraction
(c) none of these
(d) both of these

Answer

Answer: (d) both of these


Question 23.
By which force is the mass movement aided?
(a) gravity
(A) running water
(c) wind
(d) waves

Answer

Answer: (a) gravity


Question 24.
How many groups are there for mass movements?
(a) three
(A) four
(c) six
(d) two

Answer

Answer: (a) three


Question 25.
In our country, where the debris avalanche and landslides occur frequently?
(a) Northern plains
(A) Western Ghats
(c) Deccan Plateau
(d) Himalayas

Answer

Answer: (d) Himalayas


II. Fill up the blanks with suitable words

Question 1.
The external forces are known as …………….. and the internal forces are known as ………….. forces.

Answer

Answer: exogenetic, endogenetic


Question 2.
…………., …………, …………. are exogenetic demerits.

Answer

Answer: Water, ice, wind


Question 3.
………….. is a directional force causing stresses on the earth materials.

Answer

Answer: Gravity


Question 4.
…………… is a mountain building process whereas …………… is a continental building process.

Answer

Answer: Orogeny, epeirogeny


Question 5.
Denudation means to ……………

Answer

Answer: strip off


Question 6.
Weathering is an important …………….. process.

Answer

Answer: exogenetic


Question 7.
…………….. is the reaction of carbonates and bicarbonates with minerals.

Answer

Answer: Carbonation


Question 8.
Red colour of iron on oxidation turns to ……………. or …………….

Answer

Answer: brown, yellow


Question 9.
Salts in rocks expand due to ……………., …………….. and …………….

Answer

Answer: hydration, thermal action, crystallisation


Question 10.
…………….. are aided by gravity and not by geomorphic agents.

Answer

Answer: Mass movements


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