Practicing Class 9 Social Science MCQ and Class 9 SST Chapter 2 Shaping of the Earth’s Surface MCQ Online Test with Answers daily helps in time management.
Class 9 SST Chapter 2 Shaping of the Earth’s Surface MCQ
MCQ on Shaping of the Earth’s Surface Class 9
Shaping of the Earth’s Surface MCQ Class 9
Question 1.
Who proposed the theory of Plate Tectonics?
(a) Alfred Wegener
(b) W.J. Morgan
(c) James Hutton
(d) Darwin
Answer:
(b) W.J. Morgan
Question 2.
The lithosphere consists of:
(a) Core and mantle
(b) Crust and upper mantle
(c) Mantle and core
(d) Crust only
Answer:
(b) Crust and upper mantle
Question 3.
Which boundary forms fold mountains?
(a) Divergent
(b) Transform
(c) Convergent
(d) Passive
Answer:
(c) Convergent
Question 4.
Mid-Atlantic Ridge is formed at:
(a) Convergent boundary
(b) Divergent boundary
(c) Transform boundary
(d) Fault boundary
Answer:
(b) Divergent boundary
Question 5.
Which agent creates U-shaped valleys?
(a) Wind
(b) River
(c) Glacier
(d) Waves
Answer:
(c) Glacier
Question 6.
A delta is formed at the:
(a) Source of river
(b) Mouth of river
(c) Middle course
(d) Waterfall
Answer:
(b) Mouth of river
Question 7.
Stalactites are found in:
(a) Deltas
(b) Beaches
(c) Caves
(d) Fjords
Answer:
(c) Caves
Question 8.
Which landform is created by wind erosion?
(a) Yardang
(b) Delta
(c) Fjord
(d) Meander
Answer:
(a) Yardang
Question 9.
Which disaster is associated with glaciers?
(a) Landslide
(b) Dust Storm
(c) GLOF
(d) Cyclone
Answer:
(c) GLOF
Question 10.
Ring of Fire is associated with:
(a) Rivers
(b) Volcanoes and earthquakes
(c) Glaciers
(d) Deserts
Answer:
(b) Volcanoes and earthquakes
Shaping of the Earth’s Surface Class 9 Assertion and Reasoning Questions
There are two statements in each question marked as Assertion (A) and Reason (R). Choose your answer as per the options given below:
(a) Both (A) and (R) are true and (R) is the correct explanation of (A).
(b) Both (A) and (R) are true but (R) is not the correct explanation of (A).
(c) (A) is true but (R) is false.
(d) (A) is false but (R) is true.
Question 1.
Assertion (A): The Himalayas were formed due to plate collision.
Reason (R): Convergent boundaries bring plates towards each other.
Answer:
(a) Both (A) and (R) are true and (R) is the correct explanation of (A).
Question 2. Assertion (A): Weathering forms soil.
Reason (R): Weathering breaks rocks into smaller particles.
Answer:
(a) Both (A) and (R) are true and (R) is the correct explanation of (A).
Question 3. Assertion (A): Deltas are fertile.
Reason (R): Rivers deposit alluvial soil in deltas.
Answer:
(a) Both (A) and (R) are true and (R) is the correct explanation of (A).
Question 4. Assertion (A): Dust storms occur frequently in deserts.
Reason (R): Desert soil is loose and dry.
Answer:
(a) Both (A) and (R) are true and (R) is the correct explanation of (A).
Question 5.
Assertion (A): GLOFs are dangerous.
Reason (R): Sudden release of glacial lake water causes floods.
Answer:
(a) Both (A) and (R) are true and (R) is the correct explanation of (A).
Shaping of the Earth’s Surface Class 9 Fill in the Blanks
1. The Earth’s crust is broken into ___________ plates.
Answer:
tectonic
2. Heat transfer in the mantle occurs through ___________ currents.
Answer:
convection
3. The Himalayas were formed at a ___________ boundary.
Answer:
convergent
4. Weathering breaks rocks into ___________ pieces.
Answer:
smaller
5. Erosion involves the ___________ of weathered material.
Answer:
movement
6. A winding bend in a river is called a ___________
Answer:
meander
7. Beaches are fonned by the action of ___________ and currents.
Answer:
waves
8. Glaciers form ___________ shaped valleys.
Answer:
U
9. Stalagmites rise from the ___________ of caves.
Answer:
floor
10. Dust storms are common in ___________ regions.
Answer:
desert
Shaping of the Earth’s Surface Class 9 True or False
1. Plate tectonics explains movement of Earth’s crust.
Answer:
True
2. The asthenosphere is completely solid.
Answer:
False
3. Rivers create deltas through deposition.
Answer:
True
4. Weathering involves transportation of rocks.
Answer:
False
5. Wind erosion creates yardangs.
Answer:
True
6. Fjords are formed by glaciers.
Answer:
True
7. Beaches are formed only by rivers.
Answer:
False
8. Caves are formed mainly by groundwater action.
Answer:
True
9. Avalanches occur on steep snowy slopes.
Answer:
True
10. Dust storms are common in humid regions.
Answer:
False
Shaping of the Earth’s Surface Class 9 Match the Following
Question 1.
| Column A | Column B |
| (A) Delta | (i) Glacier |
| (B) Fjord | (ii) River mouth |
| (C) Yardang | (iii) Wind |
| (D) Stalactite | (iv) Cave |
(a) (A) – (ii), (B) – (i), (C) – (iii), (D) – (iv)
(b) (A) – (i), (B) – (ii), (C) – (iii), (D) – (iv)
(c) (A) – (ii), (B) – (iii), (C) – (iv), (D) – (i)
(d) (A) – (iv), (B) – (iii), (C) – (ii), (D) – (i)
Answer:
(a) (A) – (ii), (B) – (i), (C) – (iii), (D) – (iv)
| Column A | Column B |
| (A) Delta | (ii) River mouth |
| (B) Fjord | (i) Glacier |
| (C) Yardang | (iii) Wind |
| (D) Stalactite | (iv) Cave |
Question 2.
| Column A | Column B |
| (A) Landslide | (i) Snow |
| (B) Avalanche | (ii) Loose slopes |
| (C) GLOF | (iii) Glacial lake |
| (D) Dust storm | (iv) Dry soil |
(a) (A) – (ii), (B) – (i), (C) – (iii), (D) – (iv)
(b) (A) – (i), (B) – (ii), (C) – (iii), (D) – (iv)
(c) (A) – (ii), (B) – (iii), (C) – (iv), (D) – (i)
(d) (A) – (iv), (B) – (iii), (C) – (ii), (D) – (i)
Answer:
(a) (A) – (ii), (B) – (i), (C) – (iii), (D) – (iv)
| Column A | Column B |
| (A) Landslide | (ii) Loose slopes |
| (B) Avalanche | (i) Snow |
| (C) GLOF | (iii) Glacial lake |
| (D) Dust storm | (iv) Dry soil |