7th Geography Term 3 Unit 2 Book Back Solutions

Samacheer Kalvi 7th Geography Term 3 Unit 2 Social Book Back Question and Answers:

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Geography – Term 3 Unit 2

Map Reading

I. Choose the correct answer:

1. The science of map making is called ___________
(a) Geography
(b) Cartography
(c) Physiography
(d) Physical Geography
Answer: (b) Cartography

2. North, South, East, and West are four directions are called as
(a) Cardinal
(b) Geographical
(c) Latitudinal
(d) Angels
Answer: (a) Cardinal

3. Cultural maps are those which shows the ___________features
(a) Natural
(b) Man-made
(c) Artificial
(d) Environmental
Answer: (b) Man-made

II. Fill in the blanks:

______ is an essential tool of a geographer.
The directions in between the cardinal directions are the inter mediate
______ in a map which explains the different colours and symbols used in it.
Cadastral maps are known as _______
Small scale maps are helpful to us to show large areas like ______ and ______

Answer:

Map
direction
Legend
Village and town maps
continents, countries

III. Circle the Odd one:

1. North East, Scale, North West and East.
Answer:
North East, (Scale) North West and East.

2. White, Snow, High land, and Plains.
Answer:
White, Snow, High land, and (Plains)

3. Relief map, Soil map, Physical map and Atlas.
Answer:
Relief map, Soil map, Physical map and (Atlas)

4. Weather Forecasting, Climate, Rainfall and Temperature.
Answer:
Weather Forecasting,(Climate) Rainfall and Temperature.

IV. Match the following:

Upper right corner	–	Density and growth
Key (or) legend	–	District (or) town
Large Scale map	–	Natural relief features
Physical map	–	Colours and Symbols
Population map	–	‘N’ letter

Answer:

Upper right corner	–	‘N’ letter
Key (or) legend	–	Colours and Symbols
Large Scale map	–	District (or) town
Physical map	–	Natural relief features
Population map	–	Density and growth

V. Examine the Following Statements:

Question 1.
1. An Atlas is a bound volume of different types of maps.
2. Atlas maps are drawn on smaller scale.
3. Insignificant details are omitted
(a) 1 and 3 are correct
(b) 2 and 3 are correct
(c) 1 and 2 are correct
(d) 1,2 and 3 are correct
Answer: (d) 1, 2 and 3 are correct

2. Statement I: Globe is a three dimensional model of the Earth.
Statement II: It is easy to handle and to carry, as it can be rolled up or folded.
(a) Statement I is correct and II is wrong.
(b) Statement I is wrong and II is correct.
(c) Both the statements are correct.
(d) Both the statements are wrong.
Answer: (a) Statement I is correct and II is wrong

VI. Name the following:

1. Representing the earth on a flat surface.
Answer: Map

2. Ratio between the distance on a map and distance on the ground.
Answer: Scale

3. Symbols which help to show roadways and railways.
Answer:

4. A book which contains different kinds of maps.
Answer: Atlas

5. A map which shows administration divisions.
Answer: Political map

VII. Answer the following:

1. What is a map?
Answer:

A map is an essential tool of a geographer.
Map is a representation of the earth as a whole or a part of the earth drawn on a flat surface according to a given scale.
It can show continents, countries, cities and even a local area are drawn with specific details.

2. What is cartography?
Answer:
The science of map-making is called cartography (carte means ‘map’ and graphic means ‘drawing’).One who draws maps is called a Cartographer.

3. What are cardinal directions?
Answer:

The cardinal direction are North, South, East and West.
A legend (or) key of a map explain the details in the map.

4. What is an Atlas?
Answer:

Atlas is a collection of maps in a book.
Atlas maps are small-scale maps covering large areas like continents and countries.
Only prominent relief features, main roads and railways important towns are shown in Atlas maps.
The study of geographic characteristics of a large area is possible at the time with the help of an atlas.

5. Name the types of Atlas.
Answer:

School Atlas
Advanced Atlas
Regional Atlas
National Atlas

6. What are the uses of maps?
Answer:
Uses of Maps:

Maps enable us to know details of the landforms and other ground features without seeing the area.
Maps are of immense importance to the military personnel for planning campaigns.
It is used in the aero planes to reach their destinations and the ships to sail safely in the oceans.
Maps are used for weather forecasting and agricultural operations.
We can study and interpret the future possibilities of soil erosion, settlement patterns, drainage patterns, land utilization, etc.,