M.Sc. (Environmental Science) (Semester II)
(CBCS) Examination, 2017
REMOTE SENSING AND GIS IN ENVIRONMENTAL SCIENCE
Day Date: Monday, 24-04-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
N.B. Answer any Five Questions.
All Questions carry equal marks.
Question No. 1 is compulsory.
Attempt any two from Q.No.2, and 4.
Attempt any two from Q.No.5, 6 and 7.
Q.1 Select the answer among the following: 14
In the world of GIS another term for the Property of connectivity is
Proximity Neighborhood
Topology Boolean identity
Stevens levels of data scaling do Not include
Ordinal Nominal Ratio Dasymetric
Which of the following statements is true about the capabilities of
GIS
Data capture and Preparation
Data Management, including Storage
Data Manipulation and analysis
All of the above.
By spatial data we mean data that has
Complex Values Positional Values
Graphic Values Decimal Values
A (geographic) field is a geographic phenomena for which every
point in the study area
A value can be determined A value cannot be determined
A value is not relevant A value is missing
Which of the following is true about 'Nominal data values'
They are values that provide name
True computations cannot be done with these values
When the values assigned are sorted according to some set of
non-overlapping categories
All of the above
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SDI stands for
Spatial Data Interface Spatial Data Intention
Spatial Data Infrastructure Spatial data international
Relative Observations of the same areas at equal interval of time
are useful to monitor the dynamic phenomena
Vegetative cover Forest fires
Snow covers All of these
The altitudinal distance of a geostationary satellite from the earth
is about.
44,000 km 26,000 km 36,000 km 30,000 km
10)The infrared portion of EMR is lies between
0.7-1.3 0.7 mm-14 0.5 mm-1 m 0.4-0.7
11)A passive Sensor uses
Flash light as a source of energy Sun as the source of energy
Its own source of energy None of these
12)Who coined the term 'Remote Sensing'
Evelyn L. Pruit, a Geographer
Gaspard Felix Tournachon, a French Scientist
Wilbur wright, an Italian Scientist
None of these
13) The Optical property of a water body depends on
Absorption by the suspended particulate matter
Absorption by the dissolved material
Scattering by the suspended particulate matter
All of the above
13) In case of reflection and refraction of electromagnetic radiation
Angle of incidence angle of refraction
Angle of refraction sum of the angles of incidence and
refraction
Angle of incidence angle of refraction
All of the above
Q.2 Throw light on the basic Principles and History of remote sensing. 14
Q.3 What do you mean by Electromagnetic spectrum? Describe its
different regions with the help of diagram.
14
Q.4 Discuss the Components of GIS. 14
Q.5 Write a short note on the following: 14
Concept of Connectivity, Containment and Contiguity
Concept and Advantages of Topology
Q.6 Write a brief with suitable illustration on the following 14
Describe the stages of acquisition of data in remote sensing
Differentiate between pushbroom and whiskbroom scanners.
Q.7 Write an account on the following. 14
Advantages and disadvantages of Raster data model
Nominal and Ordinal data