Geography Mapping And Practical Skills #3 - Open
Multiple choice questions dealing mostly with landforms, and understanding of contour mapping.
- 1.
A braided channel:
- A.
Is a single stream that comprises a network of intertwining channels
- B.
A number of streams that consist of a network of interconnected channels
- C.
Is a series of twisted streams
- D.
Is a single channel
Correct Answer
A. Is a single stream that comprises a network of intertwining channelsExplanation
A braided channel refers to a single stream that is made up of multiple interconnected channels, forming a network of intertwining channels. This phenomenon occurs when a river has a high sediment load and experiences frequent changes in flow. The sediment gets deposited in various areas, creating multiple channels that weave and intertwine with each other. This results in a braided appearance, with the main stream splitting into several smaller channels and then rejoining further downstream.Rate this question:
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- 2.
The physical feature formed at the end of a river, where sediment tends to settle is referred to as:
- A.
A delta
- B.
A waterfall
- C.
A watershed
- D.
A tributary
Correct Answer
A. A deltaExplanation
A delta is the correct answer because it is a landform that forms at the mouth of a river, where the river meets a body of water such as a lake or an ocean. As the river flows into the body of water, it slows down and loses its energy, causing it to deposit the sediment it has been carrying. Over time, this sediment builds up and forms a triangular or fan-shaped landform known as a delta. Deltas are often characterized by their rich soil and are important ecosystems that support a variety of plant and animal life.Rate this question:
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- 3.
An ox bow lake may best be described as
- A.
An embankment alongside a stream
- B.
A “v” shaped lake that remains after a river has cut across the narrow neck of a meander
- C.
A complete loop in a stream
- D.
A “u” shaped lake remains after a river has cut across the narrow neck of a meander
Correct Answer
D. A “u” shaped lake remains after a river has cut across the narrow neck of a meanderExplanation
An ox bow lake is a "u" shaped lake that remains after a river has cut across the narrow neck of a meander. Meanders are bends or curves in a river, and over time, the river may erode the neck of the meander, causing it to cut through and create a new, shorter path. The old meander loop then becomes isolated from the main river channel and forms a "u" shaped lake, known as an ox bow lake.Rate this question:
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- 4.
One meander is illustrated by the points
- A.
CD
- B.
GH
- C.
EF
- D.
CD & GH
- E.
CD, EF & GH
Correct Answer
A. CDExplanation
The points CD represent a meander because they follow a pattern of moving in a curved path. The other points GH and EF do not follow this pattern and therefore do not represent a meander.Rate this question:
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- 5.
Sediment or point bars:
- A.
Tend to build up in a meander on the inside of a meander’s bank as the water velocity is not as strong on the inside bank compared with the velocity of the outside bank
- B.
Tend to build up in a meander on the inside of a meander’s bank as the water velocity is stronger on the inside bank compared with the velocity of the outside bank
- C.
Only occur in braided channels
- D.
Only occur in times of prolonged rainfall
Correct Answer
A. Tend to build up in a meander on the inside of a meander’s bank as the water velocity is not as strong on the inside bank compared with the velocity of the outside bankExplanation
Sediment or point bars tend to build up on the inside of a meander's bank because the water velocity is not as strong on the inside bank compared to the outside bank. This is because the water in a meandering river flows faster on the outside of the bend, causing it to erode the outer bank and deposit sediment on the inner bank. As a result, sediment or point bars accumulate on the inside of the meander.Rate this question:
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- 6.
The head or apex of a meander tends to be
- A.
The shallowest point of a river
- B.
The deepest point of a river
- C.
Where one meander crosses another
- D.
The area where an old river course existed
- E.
A ridge of sediment
Correct Answer
B. The deepest point of a riverExplanation
The head or apex of a meander tends to be the deepest point of a river. This is because the water flow is strongest at the apex, causing erosion of the river bed and deepening of the channel. As the water flows around the bend, it loses energy, depositing sediment and creating shallower areas. Therefore, the deepest point is usually found at the head or apex of a meander.Rate this question:
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- 7.
Which of the following is a trig station reading?
- A.
TS ● 220
- B.
BM 220
- C.
● 220
- D.
▲ 220
- E.
SH 220
Correct Answer
D. ▲ 220Explanation
The correct answer is "▲ 220" because the symbol "▲" is commonly used to represent a trig station in surveying. The number 220 is likely a measurement or reading taken at that trig station. The other options do not have the symbol "▲" and therefore are not trig station readings.Rate this question:
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- 8.
The cross-section below corresponds to which of the following contour patterns?
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
C. CExplanation
The cross-section corresponds to contour pattern C because it shows a gradual increase in elevation from left to right, indicating a hill or slope. Pattern A shows a depression or valley, pattern B shows a flat plain, and pattern D shows a steep incline or cliff.Rate this question:
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- 9.
The contour pattern below matches which of the following cross-sections?
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
D. DExplanation
The contour pattern matches cross-section D because it shows a gradual increase in elevation from left to right, indicating a hill or slope. Cross-sections A, B, and C do not show this gradual increase in elevation.Rate this question:
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- 10.
The contour pattern below corresponds with which landform feature?
- A.
Interlocking spurs
- B.
Flood plain
- C.
Truncated spurs
- D.
Ridge
- E.
Scarp
Correct Answer
A. Interlocking spursExplanation
The contour pattern shown in the image indicates the presence of interlocking spurs. Interlocking spurs are formed when a river cuts through a landscape with alternating layers of hard and soft rock. The river follows the path of least resistance, resulting in the formation of V-shaped valleys with ridges or spurs that interlock with each other. The contour lines in the image display a series of V-shaped valleys and ridges that interlock, suggesting the presence of interlocking spurs.Rate this question:
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- 11.
A round and high piece of land, not as large as a mountain, which has contours forming an oval or circle shape is a:
- A.
Spur
- B.
Hill
- C.
Saddle
- D.
Scarp
Correct Answer
B. HillExplanation
A hill is a round and high piece of land, smaller than a mountain, that has contours forming an oval or circular shape. It is a natural elevation of the earth's surface that rises above the surrounding land. Hills are commonly found in various landscapes and can vary in size and shape. They are formed through geological processes such as erosion, tectonic activity, or volcanic activity. Hills are often used for recreational activities, agriculture, or as landmarks in navigation.Rate this question:
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- 12.
A ridge is defined as
- A.
A narrow long hilltop or crest of high land
- B.
A steep rocky slope
- C.
An extensive area of flat land which is elevated above the surrounding land
- D.
The foot of a mountain
- E.
A narrow finger of land jutting out to sea
Correct Answer
A. A narrow long hilltop or crest of high landExplanation
A ridge is a narrow long hilltop or crest of high land. This definition implies that a ridge is a long and narrow elevated area, typically found in hilly or mountainous regions. It is different from a steep rocky slope, an extensive area of flat land, the foot of a mountain, or a narrow finger of land jutting out to sea, as these descriptions do not specifically refer to a narrow long hilltop or crest of high land.Rate this question:
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- 13.
When constructing a cross-section which of the following vertical exaggeration ranges provides a good cross-section?
- A.
1-5
- B.
2- 4
- C.
4-10
- D.
10-12
Correct Answer
C. 4-10Explanation
A cross-section is a representation of a vertical slice through a landscape or geological feature. Vertical exaggeration is the ratio between the vertical and horizontal scales on the cross-section. A good cross-section should accurately depict the vertical changes in the landscape or geological feature. A vertical exaggeration range of 4-10 provides a good cross-section because it allows for enough exaggeration to clearly show the vertical changes, but not so much that it distorts the representation and makes it difficult to interpret.Rate this question:
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- 14.
A measure of the slope of the land is called:
- A.
Gradient
- B.
Vertical exaggeration
- C.
Steepness
- D.
Elevation
Correct Answer
A. GradientExplanation
Gradient is the correct answer because it refers to the measure of the slope of the land. It is a term commonly used in geography and topography to describe the change in elevation over a given distance. The gradient is calculated by dividing the change in elevation by the horizontal distance, resulting in a ratio that represents the steepness of the land. Therefore, gradient is the most appropriate term to describe the measure of slope in this context.Rate this question:
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- 15.
The formula for gradient is:
- A.
A) G = distance Speed
- B.
G = HS VS
- C.
G = VS HS
- D.
G = difference in height distance
Correct Answer
D. G = difference in height distanceExplanation
The formula for gradient is G = difference in height divided by distance. This formula calculates the change in height per unit of distance traveled. It is used to measure the steepness or slope of a surface or terrain. By dividing the difference in height by the distance, we can determine how much the elevation changes over a given distance.Rate this question:
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- 16.
Refer to the contour diagram below Calculate the gradient between F and G
- A.
1/ •09
- B.
1/ 6•1
- C.
110/ 1100
- D.
1/ 11
Correct Answer
D. 1/ 11Explanation
The gradient between F and G can be calculated by finding the difference in the y-coordinates divided by the difference in the x-coordinates. In this case, the y-coordinate of G is 1 and the y-coordinate of F is 11. The x-coordinate of G is 1 and the x-coordinate of F is 1, so the difference in the y-coordinates is 11-1=10 and the difference in the x-coordinates is 1-1=0. Therefore, the gradient between F and G is 10/0, which is undefined.Rate this question:
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- 17.
Which characteristic of contours is untrue?
- A.
Contours always increase or decrease in regular intervals
- B.
Contours never cross but do meet up to represent a cliff face or waterfall
- C.
Contours illustrate height, slope and shape of the land
- D.
Contours illustrate height and shape but not slope of the land
- E.
Contours always join up with themselves
Correct Answer
D. Contours illustrate height and shape but not slope of the landExplanation
Contours actually do illustrate the slope of the land. Contour lines that are close together indicate a steep slope, while contour lines that are far apart indicate a gentle slope. Therefore, the characteristic mentioned in the answer is untrue.Rate this question:
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- 18.
Which of the following descriptions are true regarding spurs? 1. spurs are projections of high land towards lower land 2. truncated spurs are associated with winding rivers 3. the depressions with concave slopes between spurs are called re-entries 4. interlocking spurs are spurs that have been cut off by wave, river or glacial action
- A.
1 & 2
- B.
1 & 3
- C.
2 & 3
- D.
2 & 4
Correct Answer
B. 1 & 3Explanation
Spurs are projections of high land towards lower land. This means that they are elevated areas that extend from higher ground into lower ground. The depressions with concave slopes between spurs are called re-entries. This means that there are concave-shaped valleys or depressions between the spurs. Therefore, both statements 1 and 3 are true regarding spurs.Rate this question:
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Mar 20, 2023Quiz Edited by
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Oct 04, 2012Quiz Created by
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