Tag: distributional maps

Questions Related to distributional maps

Which of the following is used to refer to the height of a point on the ground above the mean sea level?

evs - i maps - our companions maps and its study contour maps and landforms distributional maps

  1. Triangulated height

  2. Spot height

  3. Relative height

  4. Bench mark

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Correct Option: B
Explanation:

A spot height is an exact point on a map with an elevation recorded beside it that represents its height above a given datum. In the UK this is the Ordnance Datum. Unlike a bench-mark, which is marked by a disc or plate, there is no official indication of a spot height on the ground although, in open country, spot heights may sometimes be marked by cairns. In geoscience, it can be used for showing elevations on a map, alongside contours, benchmarks, etc.

The triangulated height is generally used to indicate _____________.

evs - i maps - our companions maps and its study contour maps and landforms distributional maps

  1. plateaus

  2. ridges

  3. mountain peak

  4. plains

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Correct Option: C
Explanation:

The triangulated height is generally used to indicate mountain peak.

Triangulation pillars are used by map makers. They are real concrete pillars that are placed at particular places which are usually the tops of hills or mountains.

Sopt height is represented by a ____ in the map.

evs - i maps - our companions maps and its study contour maps and landforms distributional maps

  1. triangle

  2. circle

  3. square

  4. dot

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Correct Option: D
Explanation:

Sopt height is represented by a dot in the map.

A spot height is an exact point on a map with an elevation recorded beside it that represents its height above a given datum. In the UK this is the Ordnance Datum. Unlike a bench-mark, which is marked by a disc or plate, there is no official indication of a spot height on the ground although, in open country, spot heights may sometimes be marked by cairns. In geoscience, it can be used for showing elevations on a map, alongside contours, bench marks, etc.

A spot height gives information about the ____________________.

evs - i maps - our companions maps and its study contour maps and landforms distributional maps

  1. height of a specific point only

  2. height of the relief feature

  3. height of a mountain peak

  4. none of the above

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Correct Option: A
Explanation:

A spot height gives information about the height of a specific point only.
A spot height is an exact point on a map with an elevation recorded beside it that represents its height above a given datum.

In steep slopes the difference between maximum and minimum height is represented by letter 'r' which indicates ____________.

evs - i maps - our companions maps and its study contour maps and landforms distributional maps

  1. bench mark

  2. spot height

  3. triangulated height

  4. relative height

Show answer
Correct Option: D
Explanation:

In steep slopes the difference between maximum and minimum height is represented by letter 'r' which indicates relative height.

Relative Height is a concept used in visual and artistic perspective where distant objects are seen or portrayed as being smaller and higher in relation to items that are closer.

Why Contour lines are useful ?

evs - i maps - our companions maps and its study contour maps and landforms distributional maps

  1. Show the shape of the land surface (topography) on a map.

  2. Joins points of equal elevation , above a given level.

  3. Both A and B.

  4. None of the above.

Show answer
Correct Option: C
Explanation:

Contour lines are useful because they allow us to show the shape of the land surface (topography) on a map. The two diagrams below illustrate the same island. The diagram on the left is a view from the side (cross profile view)such as you would see from a ship offshore.

Define the characteristics of Contours _________________.

evs - i maps - our companions maps and its study contour maps and landforms distributional maps

  1. Contour lines must close , not necessarily in the limits of the plan.

  2. Widely spaced contour indicates flat surface.

  3. Closely spaced contour indicates steep slope ground.

  4. All of the above.

Show answer
Correct Option: D
Explanation:

The characteristics of contour lines which help in plotting or reading a contour map are as follows;
1) Contour lines must close, not necessarily in the limits of the plan.
2) The horizontal distance between any two contour lines indicates the amount of slope and varies inversely on the amount of slope.
3) Widely spaced contour indicates a flat surface.
4) Closely spaced contour indicates a steep slope ground.

What are the characteristics of Contour lines ?

evs - i maps - our companions maps and its study contour maps and landforms distributional maps

  1. Steep slopes.

  2. Gentle slopes

  3. Summits.

  4. All of the above.

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Correct Option: D

How many types of Contour lines are found on a Topographical Map ?

evs - i maps - our companions maps and its study contour maps and landforms distributional maps

  1. Three .

  2. Two .

  3. Seven.

  4. None of the above.

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Correct Option: A