M.Sc. (Semester IV) (CBCS) Examination Mar/Apr-2018
Geoinformatics
GEOINFORMATICS APPROACH FOR NATURAL RESOURCE MANAGEMENT
Time: 2½ Hours
Max. Marks: 70
Instructions: All questions carry equal marks.
Q.1 is compulsory.
Answer any two questions from Q.2, 3 4.
Answer any two questions from Q.5, 6 7.
Answer any five questions.
Q.1
Select the answer among the following:-
14
SDI stands for
Spatial Data Interface
Spatial Data Intention
Spatial Data Infrastructure
Spatial Data International
Iron oxide in sandy loam soil causes an increase in reflectance in the portion of the spectrum.
Red
Blue
Green
None of these
If the surface soil salt concentration increases generally reflectance
Decreased
Increased

Neither increased nor decreased
None of these
Which one of the dominant factor of Leaf reflectance.
Leaf pigments
Leaf size
Leaf thickness
None of these
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
A Passive Sensor uses
Flash light as a source of energy
Its own source of energy
Sun as the source of energy
None of these
In case of reflection and refraction of electromagnetic radiation
Angle of refraction sum of the angles of incidence and refraction
Angle of incidence angle of reflection
Angle of incidence angle of refraction
All of the above
Absorption spectra of carotene, which absorbs primarily in the Wavelength energy
Blue
Red
Green
None of these
Relative Observations of the same area at equal interval of time are useful to monitor the dynamic phenomena.
Vegetation cover
Forest cover
Snow cover
All of these
Page 2 of 3
SLR-UM-461
10) The greater the number of leaf layers in a healthy, mature canopy, theoretically the greater the
Infrared reflectance
Lesser reflectance
Nothing reflected
None of these
11) SMAP satellite launched by for soil moisture measurement.
IIRS
ESA
NASA
None of these
12) Arc SDE stands for
Spectral Data Engine
Space data enhance
Spatial data enhance
Spatial Data Engine
13) It is also possible to differentiate between some soil texture using backscatter characteristics.
RADAR
LANDSAT
MODIS
ASTER
14) statement is true about the capabilities of GIS.
Data Capture and Preparation
Data Manipulation and analysis
Data Management including Storage
All of the above
Q.2
What is meant by forest stock map? Discuss methodology for Deforestation and mapping of forest using remote sensing and GIS.
14
Q.3
How will you use remote sensing and GIS for Soil type identification and soil moisture mapping?
14
Q.4
What is hydrologic cycle? Describe the system representation of hydrologic cycle with neat sketch?
14
Q.5
Write short notes on:
14
Land Use Land Cover Mapping
Biodiversity
Q.6
Write briefly on the following.
14
Water conservation
Crop acreage estimation
Q.7
Write brief on
14
Crop inventory
Ocean colour mapping