NTA NET // IMPORTANT QUESTIONS AND ANSWER// UNIT 9 GEOGRAPHICAL TECHNIQUES
Which one of the following mapping techniques is correct to show delineated areas having different colors?
(a) Chorochromatic
(b) Choroschematic
(c) Choropleth
(d) Isopleth
Answer: Chorochromatic
Which one of the following processes is main task for the computer in mapping the geographical data?
(a) Data storage
(b) Data visualization
(c) Data retrieving and drawing
(d) Data collection
Answer: (c) data retrieving and drawing
Which one of the following denotes the lines joining equal amount of travel time?
(a) Isopleth
(b) Isohaline
(c) Isochrones
(d) Isoheight
Answer: Isochrone
Which one of the following diagrams represents the occupational structure of population?
(a) Isopleth
(b) Pie diagram
(c) Contour
(d) Choropleth
Answer: (b) Pie diagram
Map type Information content
a.Chorochromatic
i) showing regional variation in distribution by shades.
b.Choroschematic
ii) areal distribution by tints
c.Choropleth
iii) showing imaginary lines joining places of equal values
d. Isopleth iv) areal distribution by symbols
Codes:
(a) (b) (c) (d)
A I IV II III
B IV I III II
C II IV I III
D IV II III I
ANSWER: C
On a topographical map of 1:50,000 scale the contour interval is given as 10 meters. Place “A” is situated on a contour of 200 meters MSL and another place “B” is located on a contour of 240 meters. the distance between A and B on the map is 4.0 cms. The correct gradient between A and B therefore would be
(a) 1/30
(b) 1/40
(c) 1/50
(d) 1/60
Answer: 1/50
Which one of the following linear length measures could be derived from the fractional measure of 10-6 ?
a) Nanometer
b) Micrometer
c) Millimeter
d) Femtometer
Answer: micrometer
Map type Information content
A .Isopleth map i) natural grouping
b.Dots map ii) population density
c.Scatter diagrams iii) wind direction
d. Star diagram iv) changes over space which are relatively gradual
(a) (b) (c) (d)
A iv ii i iii
B iv i iii ii
C i ii iii iv
D ii iii iv i
Answer: A
Consider the following line symbols
(a) Isobars
(b) Contours
(c) Harchures
(d) Isochrones
Which of the above depicts relief?
A) a and d
B) a and b
C) b and c
D) b and d
answer: b and c
Give below are two statements, one labelled as Assertion (a) and the other labelled Reason ®. select your answer from the code given below:
Assertion(A) dot map is especially useful when the values are distributed unevenly and sporadically
Reason (R) smaller the statistical unit, more accurated is the Dot map.
Codes:
(a) both A AND R are true and R is correct explanation of A
(b) both A AND R are true and R is NOT correct explanation of A
(c) A is true but R is false
(d) A is false but R is true.
Answer: (b) both A AND R are true and R is NOT correct explanation of A
Which of the following is a non – quantitative areal distribution map?
(a) Choropleth
(b) Isopleth
(c) Multiple dots
(d) Choroschematic
Answer: d) choroschematic
Lans use/land cover types Conventional colour
a forests i) Yellow
b. cultivated areas ii) red
C, uncultivated land iii) Dark green
d. built up areas iv) brown
Codes
a b c d
A Iii I Iv Ii
B Iv Iii Ii I
C I Iv Ii Iii
D Iii I Ii Iv
Answer: A
R.F Level of scale
a. 1:250000 i) Cadastral
b. 1:5000000 ii) Large
c. 1:25000 iii) Medium
d. 1:4000 iv) Small
Codes:
a b c d
A Iii Iv i Ii
B Iii I Ii Iv
C I Ii Iii Iv
D Iii Iv Ii I
Answer: D
Which one of the following areal extent is represented by an area bounded by a square of 3cm * 3cm on a 1:50000 scale topographical sheet?
a) 9.00km2
b) 1.00km2
c) 3.20km2
d) 2.25km2
Answer: 2.25km2
Which one of the following diagrams can be used to represent non-spatial attribute data?
a) Flow line
b) Bars and cubes
c) Choropleth
d) Isoline
e) Answer: bar and cubes
Which one of the following codes given for abbreviations correctly depicts landscape models?
a) DEM
b) DRG
c) DLG
d) DTM
CODES:
A) A and D
B) B and C
C) A and D
D) C and D
Answer: c ) A and D
Which one of the following data can be represented by means of choropleth map?
a) Location specific
b) Point specific
c) Area specific
d) Line specific
Answer: c) Area specific
Which one of the following diagrams are called pie – diagrams?
a) Pictoral diagrams
b) Circle and sector diagram
c) Ring diagram
d) Sphere diagram
Answer: circle and sector diagram
Aspects Diagrams
a) Rural and urban population i) Comparative bars
b) Population density ii) Isoline
c) Relative relief iii) Dots and sphere
d) Decadal population growth iv) Choropleth
a b c d
A IV Iii I Ii
B I Ii Iii Iv
C Ii I Iv Iii
D Iii Iv Ii I
Answer: (D)
Linear length Fractional measures
a) Nano meter i) 10-6
b) Micrometer ii) 100
c) Millimeter iii) 10-9
d) Meter iv) 10-3
a b c d
A Iv Iii Ii I
B Iii Iv I Ii
C Iii I Iv Ii
D I Iii Ii Iv
Answer: (C)
Which one of the following cartographic techniques is suitable for measuring spatial association among different attributes of regional economy?
a) bar diagram
b) pie diagram
c) choropleth
d) isopleth
answer: pie diagram
which one of the following is shown with the help of isobaths?
a) Salinity of sea water
b) Depth of ocean water
c) Altitude of oceanic ridges
d) Amplitude of waves
Answer: b) depth of ocean water
Spatial data is stored in computer by using ---
(a) Plotter, digitizer and keyboard
(b) Keyboard and plotter
(c) Scanner, digitizer and keyboard
(d) Digitizer and scanner
Answer: d) digitizer and scanner
Which one of the following diagram is for depicting the distribution of urban land use types of spatially spread urban centres?
a) Histogram
b) Sphere
c) Bar
d) Pie
Answer: pie
A map with the scale of 1/50000 is enlarged 5 times , which one of the following scale is correct for enlarge map?
a) 1/250000
b) 1/100000
c) 1/10000
d) 1/2500
Ans: c) 1/10000
Which one of the following symbols does not represent a point data ?
a) Spot height
b) Benchmarks
c) Contour
d) Triangulation station
Answer: contour
Arrange the following map in decreasing order of scale
Cadastral> topographical map> wall map> atlas map
Which one of the following system uses the vector and raster data?
a) Remote sensing
b) GIS
c) GPS
d) Both A and B
Answer: GIS
Which one of the following software is not GIS software?
a) Auto CAD
b) Map info
c) ERDAS
d) Are view
Answer: Auto CAD
Square root variation is a
a) Mean deviation
b) Standard deviation
sayantani singh
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