Quick Review Flashcards - Click to flip and test your knowledge!
Question
What is the primary limitation of a globe compared to a map for studying topographic details?
Answer
Its limited space makes it impossible to represent physical features and other characteristics in detail.
Question
Which three-dimensional model is considered the only true representation of the earth's shape, direction, and area?
Answer
A Globe
Question
Define 'Cartography'.
Answer
The art and science of mapping geographical features on a uniform basis using special techniques.
Question
What is a 'map'?
Answer
A representation of the earth's surface or part of it, showing natural or man-made features drawn to scale on a flat surface.
Question
Which element of a map indicates the specific subject, such as 'distribution of natural vegetation'?
Answer
The Title
Question
The relationship between distances on a map and actual distances on the ground is known as the _____.
Answer
Scale
Question
List the four cardinal directions used for map orientation.
Answer
North, South, East, and West.
Question
By convention, which direction is typically aligned towards the top of a map?
Answer
North
Question
What is the purpose of a 'Grid System' on a map?
Answer
To pinpoint the exact location of a place using a network of intersecting lines.
Question
On a globe or small-scale map, what lines usually form the grid system?
Answer
Lines of latitudes and longitudes.
Question
What are 'Conventional Signs or Symbols'?
Answer
A graphic language of pictograms used to represent features like roads, railways, rivers, and canals.
Question
Which map element is used to explain the meanings of the various symbols depicted on the map?
Answer
The Key or Legend
Question
On what two primary bases can maps be classified?
Answer
Their size (scale) and their purpose (content).
Question
Contrast large-scale maps and small-scale maps regarding the area they cover.
Answer
Large-scale maps show small areas in great detail, while small-scale maps represent large areas with generalized information.
Question
Give two specific examples of 'Large Scale Maps'.
Answer
Topographical Maps and Cadastral Maps.
Question
In India, what are the two common scales used for Topographical Maps?
Answer
$1:50,000$ and $1:25,000$.
Question
Which type of map provides complete details of property boundaries and individual buildings for public records?
Answer
Cadastral Maps
Question
Revenue maps and city plan maps are examples of what category of map scale?
Answer
Cadastral Maps
Question
What is the main use of 'Wall Maps'?
Answer
Display purposes in classrooms and museums to represent large areas at a glance.
Question
Which type of map gives a condensed and generalised picture of the world on a very small scale?
Answer
Atlas Maps
Question
What type of map provides details about the natural features of an area, such as mountains, valleys, and rivers?
Answer
Physical Maps
Question
Which maps portray countries of the world along with their states, national boundaries, and administrative divisions?
Answer
Political Maps
Question
What defines a 'Thematic Map'?
Answer
A map showing a particular feature or theme, such as climate, population density, or industries.
Question
From which two Greek words is the term 'topography' derived, and what do they mean?
Answer
'topos' meaning 'a place' and 'grapho' meaning 'to draw or depict'.
Question
Why are topographical maps also known as 'Ordnance Survey Maps'?
Answer
They were originally drawn in Britain for the army under the direction of the Surveyor-General.
Question
Which organisation publishes Ordnance maps in India?
Answer
The Survey of India, Dehradun.
Question
What specific technique do topographic maps use to show changes in landscape that standard physical maps do not?
Answer
Contour lines
Question
In map work, what are 'Physical features'?
Answer
Natural landscape elements like valleys, hills, plateaus, peaks, and waterfalls.
Question
In map work, what are 'Cultural features'?
Answer
Man-made elements like roads, railways, bridges, buildings, and canals.
Question
The vertical lines running from North to South on a topographical map are called _____.
Answer
Eastings
Question
The horizontal lines running from East to West on a topographical map are called _____.
Answer
Northings
Question
In a grid reference, which value is always recorded first: Eastings or Northings?
Answer
Eastings
Question
What does an 'Easting' represent in terms of distance from the grid origin?
Answer
A distance east of the origin.
Question
What does a 'Northing' represent in terms of distance from the grid origin?
Answer
A distance north of the origin.
Question
As you move North on a map, do the Northing values increase or decrease?
Answer
Increase
Question
Where is the origin of the grid system located on a map sheet?
Answer
In the South-West corner.
Question
What is the term for the point where a vertical and horizontal grid line intersect?
Answer
Coordinate
Question
A four-figure grid reference identifies a location within a square of what area?
Answer
$1 \text{ km} \times 1 \text{ km}$ (or $1 \text{ sq. km}$).
Question
If a settlement's four-figure grid reference is $4385$, what do the digits '$43$' signify?
Answer
The Easting value.
Question
If a settlement's four-figure grid reference is $4385$, what do the digits '$85$' signify?
Answer
The Northing value.
Question
What is the primary benefit of using a six-figure grid reference over a four-figure one?
Answer
It pinpoint locations with greater accuracy, to the nearest $100$ metres.
Question
In a six-figure grid reference, what does the third digit represent?
Answer
Tenths of a unit of the Easting.
Question
In a six-figure grid reference, what does the sixth digit represent?
Answer
Tenths of a unit of the Northing.
Question
To get the third and sixth digits of a six-figure reference, into how many equal parts is a $1 \text{ km}$ square divided?
Answer
Ten equal parts (vertically and horizontally).
Question
Which national survey policy introduced the 'Open Series Map' in India?
Answer
National Map Policy of 2005.
Question
On what international map system is India's National Grid Reference based?
Answer
International Map of the World (IMW).
Question
Why is the first letter 'N' of the IMW map number omitted for maps of India?
Answer
Because India is entirely in the Northern hemisphere, making 'N' constant.
Question
In the IMW numbering system, what does the first alphabet and number (e.g., G-43) denote?
Answer
A $6^{\circ} \times 4^{\circ}$ region.
Question
In the National Grid Reference, a $6^{\circ} \times 4^{\circ}$ rectangle is subdivided into how many $1^{\circ} \times 1^{\circ}$ squares?
Answer
$24$
Question
How are the $24$ squares of $1^{\circ} \times 1^{\circ}$ within a $6^{\circ} \times 4^{\circ}$ rectangle identified?
Answer
By an alphabet (A to X) increasing first eastwards and then southwards.
Question
How many $15' \times 15'$ squares is each $1^{\circ} \times 1^{\circ}$ square further divided into?
Answer
$16$ squares
Question
How are the sixteen $15' \times 15'$ squares numbered within a $1^{\circ} \times 1^{\circ}$ square?
Answer
Serially from $1$ to $16$, starting from the North-West and moving east then south.
Question
What is the scale associated with the $1^{\circ} \times 1^{\circ}$ IMW numbering system?
Answer
$1:250,000$
Question
If a town is located in the $10$th square of the 'S' rectangle of region 'G-43', what is its map sheet number?
Answer
G-43S-10