Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9th

# Samacheer Kalvi solutions for Social Science Class 9th Tamil Nadu State Board chapter 2 - Mapping Skills [Latest edition]

## Chapter 2: Mapping Skills

Exercise
Exercise [Pages 227 - 228]

### Samacheer Kalvi solutions for Social Science Class 9th Tamil Nadu State Board Chapter 2 Mapping Skills Exercise [Pages 227 - 228]

Exercise | Q I. 1 | Page 227

___________ indicates the purpose or theme of the map.

• Title

• Scale

• Direction

• Legend

Exercise | Q I. 2 | Page 227

Standard symbols that are used in maps to convey a definite meaning are called ___________.

• conventional signs and symbols

• coordinates

• grid references

• directions

Exercise | Q I. 3 | Page 227

GPS consists of a constellation of ___________ satellites.

• 7

• 24

• 32

• 64

Exercise | Q II | Page 227

Match the following

 1. The art and science of mapping a) USA 2. Actual shape of the earth b) Geoid 3. NAVSTAR c) Cartography

#### Consider the given statements and choose the right option

Exercise | Q III. 1 | Page 228

Assertion (A): The points at which the vertical and horizontal lines of the grid intersect are called coordinates.

Reason (R): The lines that run horizontally and vertically are called Northings and Eastings respectively.

• Both (A) and (R) are true ; (R) explains (A)

• Both (A) and (R) are true ; (R) does not explain (A)

• (A) is correct ; (R) is false

• (A) is false ; (R) is true

Exercise | Q III. 2 | Page 228

Assertion (A): The legend of a map does not help us to understand the information in a map.

Reason (R): It is usually placed at the left or right corner at the bottom of the map.

• (A) is false ; (R) is true

• Both (A) and (R) are true ; (R) does not explain (A)

• (A) is correct ; (R) is false

• Both (A) and (R) are true ; (R) explains (A)

Exercise | Q IV. 1 | Page 228

What is a map?

Exercise | Q IV. 2 | Page 228

What are the components of a map?

Exercise | Q IV. 3 | Page 228

The distance between the two cities A and B is 5 km. It is represented by a line of 5 cm on the map. Calculate the distance and give the answer in RF.

Exercise | Q IV. 4 | Page 228

Mention a few surveying instruments.

Exercise | Q IV. 5 | Page 228

Define remote sensing.

Exercise | Q IV. 6 | Page 228

What are the components of remote sensing?

#### Give Reasons

Exercise | Q V. 1 | Page 228

Satellite imageries stimulate map making.

Exercise | Q V. 2 | Page 228

Map is the basic tool of a geographer.

Exercise | Q V. 3 | Page 228

Grid references are essential to find the exact location of places on a map.

Exercise | Q VI. 1 | Page 228

Distinguish Between Globe and Map.

Exercise | Q VI. 2 | Page 228

Distinguish Between Aerial photographs and satellite imageries.

Exercise | Q VI. 3 | Page 228

Distinguish Between GIS and GPS.

Exercise | Q VII. 1 | Page 228

What do you mean by the term 'scale of the map'?

Exercise | Q VII. 1 | Page 228

Explain the classification 'scale of the map'?

Exercise | Q VII. 2

Write a note on directions with relevant diagram.

Exercise | Q VII. 3 | Page 228

Explain the major uses of GPS?

Exercise | Q VII. 3 | Page 228

#### Map Excercise

Exercise | Q VIII | Page 228

With the help of an atlas, mark the following on the outline map of Tamil Nadu.

1. The latitude and longitude of Chennai.
2. Mark the city located at 100 N, 780 E.
3. Locate the city approximately 110N and 760E.
4. Find the latitude and longitude of Kanyakumari and mark it.

#### HOTS

Exercise | Q IX. 1 | Page 228

Can you imagine a world without satellites?

Exercise | Q IX. 2 | Page 228

Imagine you are a cartographer. Draw the map of your area.

Exercise

## Samacheer Kalvi solutions for Social Science Class 9th Tamil Nadu State Board chapter 2 - Mapping Skills

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Concepts covered in Social Science Class 9th Tamil Nadu State Board chapter 2 Mapping Skills are Introduction of Mapping Skills, Map as a Tool, Remote Sensing as a Source of Map Data, Bhuvan.

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