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Introductory GIS ( GHT 412 ) – 2013


Department of Geology
University of Dhaka
Fourth -Year B.S. Honor’s Course -Final Examination 2013
Subject: Geology
Course: GHT 412 Course Name: Introductory GIS
Subjective Part
Time 2 Hours Full marks 25

The figure at the right margin indicates full marks. Answer any five of the following questions. Illustrate your answers with suitable sketches and/or diagrams wherever necessary.

Question No. 1
a) What can GIS do for you? 1.0
b) List some commonly used map projections. 1.0
c) Define spatial and non -spatial data with examples. 1.0
d) Describe different feature models of GIS? 1.0
e) What is Geocoding? Describe the methods of geocoding. 1.0

Question No. 2
a) What is the relation between GIS and Cartography? 1.0
b) How can a flat map be used to describe locations on the earth’s surface? 1.0
c) Why it is necessary to construct a map projection? 1.0
d) How people, data; software and hardware are connect to GIS? 1.0
e) Write a short note on the ‘Sources of information for GIS’. 1.0

Question No. 3
a) Write the properties of simple cylindrical Projection? What is the use and limitation of this projection? 2.0
b) Draw a cylindrical equal area projection on the scale of 1:200,000,000 for the area extending from 10°S parallel to 50°S parallel and from 20°W meridian to 100°C meridian and spacing the parallels at an interval of 10° and meridian at 200. 3.0

Question No. 4
a) What is the importance of topology in GIS? 1.0
b) Draw a diagram showing the topology workflow. 1.0
c) Describe some commonly used topology rules in GIS. 1.0
d) Describe the basic data model used in GIS and what arc the advantages and limitations of those data model? 2.0

Question No. 5
a) What is a Thematic Map? Write down the applications of Thematic Map in GIS. 1.5
b) What are the various forms of Thematic Map? Explain any one of them. 2.0
c) Briefly explain how you can use GIS to study relationships between bedrock geology and subtle topography. 1.5

Question No. 6
a) What are the ways of the RS and GIS combination to enhance the performance of each other? 1.0
b) Briefly explain the various contributions of the RS to GIS. 1.5
c) Write down the name of theories of the RS and GIS integration and explain briefly any one of them. 1.5
d) Mention the various components of RS and GIS integration for urban analysis. 1.0

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