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NCERT Class 11 Geography Chapter 7 Landforms and Their Evolution
Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. CBSE Class 11 Geography Solutions are part of All Subject Solutions. Here we have given NCERT Class 11 Geography Part I: Fundamentals of Physical Geography, Part II: Indian: Physical Environment, Part III: Practical Work in Geography. NCERT Class 11 Geography Chapter 7 Landforms and Their Evolution Notes, NCERT Class 11 Geography Textbook Solutions for All Chapters, You can practice these here.
Landforms and Their Evolution
Chapter: 7
GEOGRAPY [ PART – I ]
TEXTUAL QUESTIONS ANSWERS
OBJECTIVE TYPE QUESTIONS
I. Match the items of List A with List B:
| A | B |
| (i) River | (a) Sand dunes. |
| (ii) Wind | (b) Meander. |
| (iii) Moving ice | (c) Moraine. |
| (iv) Waves | (d) Sea cave. |
Ans.
| A | B |
| (i) River | (b) Meander. |
| (ii) Wind | (a) Sand dunes. |
| (iii) Moving ice | (c) Moraine. |
| (iv) Waves | (d) Sea cave. |
II. Fill in the blanks:
(a) Geomorphology is the genetic study of ____________.
Ans. Landforms.
(b) S.W. Woolderidge and W.M. Davis were great ____________.
Ans. Geomorphologists.
(c) Terrestrial relief features can be classified into ____________ types.
Ans. Three.
(d) Some rocks dissolve to form ____________.
Ans. Sediments.
III. Multiple Choice Questions:
1. The geomorphologist who considered that landforms were the best indicators of earth’s history:
(a) S.W. Woolderidge.
(b) C. Lyell.
(c) J. Hutton.
(d) Wegener.
Ans. (a) S.W. Woolderidge.
2. The term rock weathering is used to describe:
(a) chemical and physical disintegration of rocks.
(b) erosion.
(c) agradation.
(d) none.
Ans. (a) chemical and physical disintegration of rocks.
3. Sand dunes are formed by:
(a) river.
(b) wind.
(c) glaciers.
(d) underground water.
Ans. (b) wind.
4. Biological weathering is due to:
(a) animals and plants.
(b) carbonation.
(c) carbon dioxide.
(d) none of these.
Ans. (a) animals and plants.
5. V-shaped valleys are formed by:
(a) glaciers.
(b) rivers.
(c) winds.
(d) sea waves.
Ans. (b) rivers.
6. Cliffs are formed by:
(a) sea waves.
(b) glaciers.
(c) underground water.
(d) winds.
Ans. (a) sea waves.
7. In which of the following stages of landform development, downward cutting is dominated?
(a) Youth stage.
(b) Late mature stage.
(c) Early mature stage.
(d) Old stage.
Ans. (a) Youth stage.
8. A deep valley characterised by steep step-like side slopes is known as:
(a) U-shaped valley.
(b) Gorge.
(c) Blind valley.
(d) Canyon.
Ans. (d) Canyon.
9. In which one of the following regions the chemical weathering process is more dominant than the mechanical process?
(a) Humid region.
(b) Limestone region.
(c) Arid region.
(d) Glacier region.
Ans. (a) Humid region.
10. Which one of the following sentences best defines the term ‘Lapies’?
(a) A small to medium sized shallow. depression.
(b) A landform whose opening is more or less circular at the top and funnel-shaped towards bottom.
(c) A landform formed due to dripping water from surface.
(d) An irregular surface. with sharp pinnacles, grooves and ridges.
Ans. (d) An irregular surface with sharp pinnacles, grooves and ridges.
11. A deep, long and wide trough or basin with very steep concave high walls at its head as well as in sides is known as:
(a) Cirque.
(b) Glacial valley.
(c) Lateral Moraine.
(d) Esker.
Ans. (a) Cirque.
12. The erosional landform consists of
(a) valleys.
(b) floodplains.
(c) deltas.
(d) alluvial fans.
Ans. (a) valleys.
13. A deep valley characterized by steep step-like side slopes is known as?
(a) U-shaped valley.
(b) Gorge.
(c) Blind valley.
(d) Canyon.
Ans. (d) Canyon.
14. The depositional landform consists of
(a) levees.
(b) gorge.
(c) river terraces.
(d) valley.
Ans. (a) levees.
15. What is a deep, long, and wide trough or basin with very steep concave high walls at its head as well as insides is known as?
(a) Cirque.
(b) Glacial valley.
(c) Lateral Moraine.
(d) Esker.
Ans. (a) Cirque.
16. Natural levees and point bars are a depositional landform of
(a) glaciers.
(b) waves.
(c) winds.
(d) rivers.
Ans. (d) rivers.
17. Which of the following is a type of channel pattern?
(a) Floodplains.
(b) Deltas.
(c) Meander.
(d) Alluvial Fans.
Ans. (c) Meander.
18. In which one of the following regions the chemical weathering process is more dominant than the mechanical process?
(a) Humid region.
(b) Limestone region.
(c) Arid region.
(d) Glacier region.
Ans. (b) Limestone region.
19. Erosional landforms are the
(a) levees.
(b) deltas.
(c) braided channels.
(d) river terraces.
Ans. (d) river terraces.
20. In the mature stage, what are the loop-like channel patterns that develop in rivers?
(a) Meanders.
(b) Canyon.
(c) Delta.
(d) Cirque.
Ans. (a) Meanders.
21. Erosion causes
(a) changes.
(b) no change.
(c) upliftment.
(d) construction of land.
Ans. (a) changes.
22. Deflation and abrasion activities are associated with
(a) waves.
(b) rivers.
(c) winds.
(d) glaciers.
Ans. (c) winds.
23. What are the most important landforms in desert areas?
(a) Chardong.
(b) Interbedded rocks.
(c) Sand dunes.
(d) Valleys.
Ans. (c) Sand dunes.
24. In the middle stages, erosion of valley sides is
(a) vertical.
(b) lateral.
(c) gradual.
(d) negligible.
Ans. (b) lateral.
25. Which of the following is created by soil erosion by the rivers?
(a) V-shaped valley.
(b) Waterfall.
(c) Delta.
(d) Sand dunes.
Ans. (a) V-shaped valley.
26. The total number of wings a seif has is
(a) one.
(b) three.
(c) five.
(d) six.
Ans. (a) one.
