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WorksheetsNCC Specialised Subject - Map Reading
Total questions: 100
Worksheet time: 1hrs 9mins
Which organization prepares topographical maps in India?
National Mapping Organisation
Geological Survey of India
Indian Space Research Organisation
Ministry of Earth Sciences
What is the science of making maps called?
Geography
Topography
Geology
Cartography
What is the major limitation of a map?
Limited geographical coverage
Lack of colors
Inaccurate elevations
Cannot show everything that exists on the ground
How is a scale expressed in the form of a fraction?
In words
As a Representative Fraction (RF)
In symbols
In coordinates
What does the scale line below the scale represent?
Longitude and latitude
Grid lines
Measurement of bearings
Measurement of distance on the map
What does the term "Bench Mark" refer to on a map?
A type of conventional sign
A method of expressing scale
Heights triangulated on a map
A point on the ground used as a reference for elevation measurements
Which conventional sign is used to represent roads with kilometer stones on a map?
Roads-metalled with Km-stone
Cart track, camel track, mule path
River beds-dry, with stream, with island and rocks
Railways, broad gauge, double, single (station), under construction
What are conventional signs on a map used for?
Representing natural disasters
Indicating political boundaries
Representing artificial or natural features/objects
Identifying weather conditions
What are the vertical lines on the grid called?
Latitude
Longitude
Bench Marks
Grid References
What is the systematic pattern laid over the Earth's layout called?
Topography
Cartography
Grid
Scale
What must a Grid Reference always contain?
An odd number of figures
A prime number of figures
A multiple of 5 figures
An even number of figures
Which type of Grid Reference is mostly used?
Four Figure Grid Reference
Six Figure Grid Reference
Eight Figure Grid Reference
Ten Figure Grid Reference
What do the third and sixth figures represent in a Six Figure Grid Reference?
Units
Hundreds
Divisions of 1000 meters square
Tens
What do EASTING lines represent on a map?
Longitude
Latitude
Vertical lines
Horizontal lines
What is the definition of a "Col or Saddle"?
A narrow ridge of high land joining up to higher hills
An elevated region of considerable extent
A small isolated hill
A line along a hill or range of hills
What is "Dead Ground"?
Ground jutting out of a range of hills into lower ground
A small isolated hill
Ground not visible to the observer due to undulations
An elevated region of considerable extent
What is a "Knoll"?
A small isolated hill
An elevated region of considerable extent
A line along a hill or range of hills
Ground not visible to the observer due to undulations
What is a "Spur"?
A narrow ridge of high land joining up to higher hills
An elevated region of considerable extent
A piece of high ground jutting out of a range of hills into lower ground
Ground not visible to the observer due to undulations
What is a "Watershed"?
A line along a hill or range of hills from which water flows in opposite directions
Ground not visible to the observer due to undulations
The highest part of a hill or mountain range
The line separating water flowing in two different river systems
What is a "Trigonometric Point"?
A point fixed during triangulation with marked height on maps
A line drawn on the map showing magnetic variation
The distance measured on the map between adjacent Contour lines
A point fixed during the triangulation at the beginning of a survey
What do "Contours" represent on a map?
Lines running parallel to and at right angles to a North and South or East and West
The slope of a hill
A line drawn on the map showing magnetic variation
Lines joining up all points of equal height above sea level
What are "Grid Lines" on a map?
Lines running parallel to and at right angles to a North and South or East and West
The difference between True North and Magnetic North
A line drawn on the map showing magnetic variation
Lines joining up all points of equal height above sea level
What does "Magnetic Variation" represent on a map?
Lines running parallel to and at right angles to a North and South or East and West
The difference between True North and Magnetic North
A line drawn on the map showing magnetic variation
The slope of a hill
What is the main purpose of representing "Relief" on a map?
Showing the distance measured on the map between adjacent Contour lines
Showing the distance measured on the map between adjacent Contour lines
Showing the heights and shape of the ground above or below sea level
Representing the angle of slope
What is the "Horizontal Equivalent" in topography?
The distance measured on the map between adjacent Contour lines
The slope of a hill
The difference between True North and Magnetic North
The distance measured on the earth between adjacent Contour lines
How are "Contours" represented on a map in terms of color?
Generally in brown
In black color
In black color
In red color
What is a characteristic of Contour lines on a map?
They touch or cross each other
They vary in appearance
They are always shown in blue color
Height is marked on every contour line
__ degrees is the difference in angle between forward and back bearing.
180
160
120
270
What do closely spaced Contour lines on a map indicate about the slope?
The slope is gradual
The slope is steeper
The slope is concave
The slope is convex
How is a "Convex slope" represented by Contour lines?
Bulging outwards
Curving inwards
Gradual slope
Steeper slope
How can the "Gradient" be expressed?
In an Angle or Degree of Slope
As the difference between True North and Magnetic North
In terms of blue color on a map
In terms of vertical interval
Which type of North is the direction of the North Pole from the observer?
True North
Grid North
Magnetic North
Magnetic Variation
What is Magnetic North?
The point to which a magnetic needle points when freely suspended
The direction of the North Pole from the observer
The point towards which the compass needle points
The angular difference between Grid and True North
What are the "Cardinal Points" in topography?
Imaginary lines showing the same height from mean sea level
The slope of the ground expressed as the ratio of rise or fall over horizontal distance
North, South, East, and West
Points where Contour lines touch or cross each other
What is the clockwise angle formed by a straight line joining two points and the direction of NORTH called?
Magnetic Variation
Bearing
Convergence
Declination
Which type of bearing is measured on the map from the Grid North by the help of a protractor?
Magnetic Bearing
True Bearing
Grid Bearing
Compass Bearing
What two factors determine the amount of Magnetic Variation?
Latitude and Longitude
Time and Place
Altitude and Distance
Temperature and Pressure
How is the Angle of Convergence or Grid Convergence defined?
The direction of True North from the observer
The angular difference between Grid and True North
The direction of the North Pole from the observer
The angular difference between Magnetic and Grid North
How is Magnetic Bearing measured?
Using a protractor on the map
By the compass from Magnetic North
Calculated by finding out the relation of True NORTH
Measured using a service protractor
What is True Bearing calculated by finding out the relation of?
Magnetic Bearing and Grid NORTH
True NORTH and Magnetic NORTH
Magnetic Bearing and Compass Bearing
Grid Bearing and Magnetic Bearing
How do you convert a Magnetic Bearing to a Grid Bearing?
Subtract Magnetic Variation from Magnetic Bearing
Add Magnetic Variation to Magnetic Bearing
Subtract Grid Variation from Grid Bearing
Add Grid Variation to Grid Bearing
What is Grid Convergence also known as?
Magnetic Variation
True Variation
Compass Variation
Convergence Variation
If the Grid Bearing of an object is 150° and the Magnetic Variation is 6°, what is the Magnetic Bearing?
144°
156°
150°
154°
What does the protractor show on both its faces in addition to measuring angles and bearings?
Magnetic Variation
Map scales
Elevation points
Grid Convergence
What is Back Bearing?
Bearing opposite the original position of an object
A bearing less than 180°
A bearing more than 180°
A bearing measured with a service protractor
What is the service protractor used for in map reading?
Measuring distances on the map
Converting Grid Bearings to True Bearings
Plotting and measuring bearings on the map
Determining elevations
What does the protractor show on both its faces in addition to measuring angles and bearings?
Magnetic Variation
Map scales
Elevation points
Grid Convergence
For measuring bearings between 0 and 180 degrees, where should the Zero edge of the protractor be placed?
On the top
On the left
On the right
At the bottom
How can the service protractor be used to measure distance?
By counting contour lines
By using a divider on the diagonal scale
By aligning with the magnetic north
By drawing lines on the map
What is the prismatic compass used for?
Measuring distance on the map
Finding and maintaining direction
Calculating Magnetic Variation
Determining elevations
What is the liquid-filled type of prismatic compass easier to do ?
Measure distances accurately
Use on the ground
Use during a magnetic storm
Use in polar regions
What is the key part used to take a bearing with a prismatic compass ?
Lid
Hairline
Prism
Direction Mark
What should be done before taking a bearing with a prismatic compass?
Close the lid of the compass
Turn the prism casing over
Bring the prism up to the eye
Open the compass lid
What does compass error refer to in navigation?
The error caused by thick jungle vegetation
Deviation of the magnetic needle from the magnetic north
The error introduced by setting the compass at night
The difference between grid bearing and true bearing
What does GPS stand for in the context of navigation?
Global Positioning System
Geographic Positioning System
Ground Positioning System
Grid Positioning System
Who commonly uses GPS for navigation purposes in day-to-day life?
Armed Forces
Cartographers
General public
Fishermen
What is the Equal Altitude Method used for in navigation without a compass?
Setting the map orientation
Finding true north
Measuring distance on the map
Measuring distance on the map
How is the map set by compass for navigation?
Lay the compass flat on the ground
Lay the compass flat on the ground
Turn the map until the hairline aligns with the magnetic north
Draw a line perpendicular to the grid line
What is the Inspection Method in navigation by map reading?
Setting the compass for map orientation
A detailed study of ground details and features on the map
Estimating distances on the ground
All the three
What is the purpose of spreading a piece of paper on the ground in the Equal Altitude Method?
To measure distances
To draw maps
To find true north
To calculate magnetic variation
In the Bearing and Distance Method, how is the direction of the object found on the ground?
By using a service protractor
By placing a foot ruler on the map
By calculating the distance
By drawing a line from own position to the object
How can the ground direction of an object be estimated with the help of two points on the map ?
By using a sight rule
By placing pins on the map
By aligning a ruler with the map
By calculating the distance
What features does Google Maps offer to users?
Satellite imagery, aerial photography, and route planning
Street maps, 360° panoramic views, and real-time traffic conditions
Indoor maps and business listings
All of the above
What does Google Maps use to obtain the GPS-determined locations of a large number of cellphone users for producing live traffic maps?
Aerial photography
Satellite imagery
Crowd sourcing
Business listings
When was the Android app for Google Maps first released?
September 2007
September 2008
June 2012
September 2012
How does Google Maps represent traffic conditions on the roads and motorways?
By using aerial photography
By providing real-time traffic data
By using crowd-sourced cellphone locations
By incorporating business listings
How does Google Trips simplify travel organization for users?
By providing turn-by-turn navigation
By finding and importing travel info from Gmail
By offering offline maps
By suggesting nearby attractions
In which country was the two-wheeler mode added to Google Maps to provide more accessibility in traffic conditions?
United States
India
Japan
Brazil
Which Google app allows users to explore national parks and monuments, zoom up close into famous works of art, and take virtual tours of entire museums?
Google Handwriting Input
Trusted Contacts
Google Trips
Google Arts & Culture
Which Google app allows users to write with their finger or a stylus and converts it into sendable text?
Google Handwriting Input
Google Trips
Trusted Contacts
Google Nose
What did Google revamp the Android Auto app into?
Car mode
Podcast app
Music player
Navigation system
What has taken over the majority usage in map reading these days?
Compass and protractor
Digital maps and artificial intelligence
Paper maps and markers
Traditional navigation methods
What is the definition of "scale" in the context of maps?
The height of mountains
The proportion of two points on the map and two points on the ground
The angle of the ground slope
The angle of the ground slope
What is the purpose of the service protractor "A" Mark IV ?
Measure the height of mountains
Plot and measure bearing on the map
Calculate the distance between two points on the ground
Identify objects in the night sky
What does "Relief" refer to in topography?
The slope of the ground expressed as the angle
The shape of the ground in a vertical plane
The distance measured on the map between adjacent Contour lines
The difference between True North and Magnetic North
What is an "Escarpment"?
A narrow ridge of high land joining up to higher hills
The highest part of a hill or mountain range
A steep hillside formed by a sudden drop in the general ground level
Ground not visible to the observer due to undulations
Symbols used to represent certain artificial or natural features/objects on the map are called ____
Datum Points
Reference Points
Conventional Signs
Reference Signs
A map represents selected natural and ma-made features of the whole or part of the _______ on a sheet of paper.
Earth's Surface
Landmass
Country
None of the Above
Contour lines never touch or cross each other.
True
False
In a Grid Reference, the first half represents the _____ value.
Easting
Latitudinal
Northing
Longitudinal
The direction having a bearing of 135 degrees is
North West
South South East
West North West
South East
The direction having a bearing of 22.5 degrees is
North West North
South South East
West North West
North North East
The direction having a bearing of 157.5 degrees is
North West North
South South East
West North West
North North East
The direction having a bearing of 270 degrees is
North West North
East
West North West
West
Global Positioning System (GPS) is funded and controlled by the Department of ___ the United States.
Space
Satellite Technology
Defence
NASA
A map is said to be Set, when the magnetic NORTH line on the map is pointing in the direction of magnetic NORTH as indicated by the Compass Needle.
True
False
A thick Blue Dot with a black boundary line shown on the map represents
A Dry Well
A Trig Height
A Walled Well
An Unwalled Well
A Pointer Staff is used for
Showing as object to another person.
Showing the Bearing to another person.
ldentifying an object by another person located at a far away place.
Find the angular difference between two objects.
In the Northern Hemisphere, the _____ indicates the Position of True NORTH to within 2 degrees.
Saptarishi Mandal
Great Bear
Pole Star
Dhruv Tara
In the Scale Line of the Map, 2 cm on map is equal to
1 Km
5 Km
6 Km
2 Km
The Magnetic Variation while converting a Grid Bearing to a Magnetic Bearing is
Added
Subtract
Divided
Multiplied
The Magnetic Variation while converting a Magnetic Bearing to a Grid Bearing is
Added
Subtract
Divided
Multiplied
In the Northern hemisphere, the Pole Star indicates the position of True North to within ____ degrees
2
5
10
8
The First GPS Satellite is funded and controlled by
Canada
United States
United Kingdom
Germany
The First GPS Satellite was launched in
1974
1987
2005
1965
With a prismatic compass you can measure degrees from to _ degrees.
0 to 360
0 to 90
0 to 180
0 to 270
Bearing of an object is 15 degrees. The back bearing from the object to the observer is ___ degree.
285
195
185
295
The Grid North in a map is shown by ___ colour lines.
Black
Brown
Blue
Green
On a map, black/red coloured vertical lines whose numbers increase from West to East, are called
Eastings
Northings
Bearings
Grid Lines
Grid Reference should be given in the
Four Figure
Ten Figure
Six Figure
Any of these
