Lesson.5 Map Reading
Lesson.5 Map Reading
I. Choose the correct answer
1. The subject which deals with map making process is ……………….. .
- Demography
- Cartography
- Physiography
- Topography
Ans : Cartography
2. A map that shows the physical features of an area is called ………………. .
- Cadastral map
- Relief map
- Climatic map
- Resource map
Ans : Cadastral map
3. Shallow water bodies are represented by ……………. colour
- Yellow
- Brown
- Light blue
- Dark blue
Ans : Light blue
4. The maps which are known as plans are
- Cadastral maps
- Topographical maps
- Isoline maps
- Transport maps
Ans : Cadastral maps
5. Actual distribution of population can be represented by …………….. .
- lines
- Shades
- Dots
- Contours
Ans : Shades
II. Fill in the Blanks.
1. The globe is the true representation of the ……………… .
Ans : Earth
2. A way of representing the spherical earth on a flat surface is …………….. .
Ans : Map
3. A line that joins the points of equal elevation is ……………. .
Ans : Isolines
4. Cadastral maps are usually maintained by…………….. .
Ans : Thematic map
5. …………… map is focused on a specific theme.
Ans : Local administrator
III. Choose the option which matches the following correctly
| 1. Legend | 45° |
| 2. North East | brown colour |
| 3. Contour Line | thematic map |
| 4. Cadastral map | key of a map |
| 5. Choropleth | taxation |
| Ans : 1 – D, 2 – A, 3 – B, 4 – E, 5 – C | |
IV. Let us learn.
1. Statement : Small scale maps can show only major features.
Reason : These symbols give a lots of information in a limited area.
- Statement is true but reason is wrong.
- Statement is wrong and reason is correct,
- Both the statement and reasons are correct
- Both the statement and reasons are wrong.
Ans : Both the statement and reasons are correct
2. Statement : The conventional signs and symbols are the keys of map reading
Reason (R) : These symbols give a lots of information in a limited area.
- Both the statement and reasons are correct.
- Statement is wrong and reason is correct.
- Statement is true but reason is wrong.
- Both the statement and reasons are wrong.
Ans : Both the statement and reasons are correct.
V. Answer in brief.
1. Define “Map scale”.
Map scale is a ratio between the actual distance on the ground and the distance shown on the map.
2. What is a physical map?
Map which shows the physical feature of an area is called as physical map.
3. Write a short note on map projection.
A map projection is a way of representing the spherical earth on a flat surface of a map.
4. Name the Intermediate directions.
The intermediate directions are north east, north west, south east and south west.
5. What are the uses of a cadastral map?
Cadastral Maps is used for local administration sqch as city survey, taxation, management of estates and to define property in legal documents.
VI. Distinguish the following.
1. Relief map and thematic map
| Relief Map | Thematic Map |
| 1. Map that shows the physical features of an area is Usually called Relief map. | Map that focuses on a specific them or subject area. |
| 2. It shows landforms like rivers, mountains | It shows phenomena like temperature variation, rainfall distribution and population density. |
2. Large scale map and small scale map.
| Large scale Map | Small Scale Map |
| Large scale maps portray the information in detail than the small scale maps. | Small scale maps shows only major feature omitting the minor ones due to lack of space. Large areas like continents or countries small scale maps are used. |
3. Globe and Map
| Globe | Map |
| Globe gives a three dimensional representation of the entire world and it is a miniature form of the earth. | Map gives a two dimensional representation of certain regions or the entire world. |
VII. Answer in a paragraph.
1. Explain the different types of scales in detail.
The different types of scales are * Statement or verbal scale.
- Representative fraction
- Graphical or Bar scale
Verbal scale:
The map scale is stated in words (ie) 1 cm -1 km. It is written on the map like 1 cm – 1km, 1 inch -1 mile etc.
Representative fraction:
It shows the relationship between the map distance and the corresponding ground distance in the same units of length. It is generally shown as a fraction.
Graphical or Bar Scale:
- A graphic scale looks like a small ruler drawn at the bottom of the page. –
- It is divided and sub – divided into lengths each of which represents a certain distance on the ground.
- The measurements does not change.
2. Describe the Cadastral map and its importance.
- The Cadastral map refers to a map which shows the boundaries and ownership of land within a specified area.
- They are sometimes called plans.
- They show full details of boundaries and buildings.
- They are useful for local administration such as city survey, taxation to define property in legal documents.
- It is maintained by government as public record.
Importance:
- It surveys documents boundaries of land ownership, diagrams, sketches plan and maps.
- They are originally used to ensure reliable facts for land valuation and taxation.
3. Write a paragraph about the conventional signs and symbols.
- The conventional signs are symbols used in map to represent different features.
- The symbols are explained in the key of the map.
- It gives lot of information in a limited space.
- The symbols usage can be early drawn in the map and concept is understood well.
- There is an International agreement regarding the use of certanin symbols and other are contextual symbols which are decided by cartographer
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