GIS Quiz | GIS Objective Type Questions and Answers

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Questions
21 Which of the following statements is true
A A table or relation is itself a collection of ‘tuples’ (or records)
B Each table is a collection of tuples that are similarly shaped
C An ‘attribute’ is a named field of a tuple, with which each tuple associates a value, the tuple’s ‘attribute value’
D All of the above

Answer: All of the above
22 A ‘data model’ is a language that allows the definition of
A The ‘structures’ that will be used to store the base data
B The ‘integrity constraints’ that the stored data has to obey at all moments in time
C The ‘computer programs’ used to manipulate the data
D All of the above

Answer: All of the above
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23 Which of the following is true about DBMS
A A DBMS provides a high-level, ‘declaration query language’
B A DBMS supports the use of a ‘data model’
C A DBMS includes ‘data backup’ and ‘recovery’ functions to ensure data availability at all times
D All of the above

Answer: All of the above
24 What are the various reasons for which DBMS is used
A A DBMS supports the storage and manipulation of very large data sets
B A DBMS can be instructed to guard over data correctness
C A DBMS supports the concurrent use of the same data set by many users
D All of the above

Answer: All of the above
25 DBMS stands for
A Database Management System
B Database Monitoring System
C Database Manufacturing System
D Database Mixing Station

Answer: Database Management System
26 SDI stands for
A Spatial Data Interface
B Spatial Data Infrastructure
C Spatial Data Intention
D Spatial Data International

Answer: Spatial Data Infrastructure
27 A GIS package cannot be called full-fledged if the following capabilities are missing
A Data capture and preparation
B Data storage
C Data analysis
D All of the above

Answer: All of the above
28 Which of the following are full-fledged GIS packages
A ILWIS
B GeoMedia
C ArcGIS
D All of the above

Answer: All of the above
29 Which of the following is true?
A ‘Fields’ are geographic phenomena that occur everywhere in the study area
B ‘Objects’ are geographic phenomena that occur ‘sparsely’ over the study area
C Fields can be continuous or discrete
D All of the above

Answer: All of the above
30 Which of the following statements are true about the ‘temporal dimension’
A Time can be measured along a ‘discrete’ or ‘continuous’ scale.
B Valid time (or world time) is the time when an event really happened, or a string of events took place.
C Time can be represented as ‘absolute’ or ‘relative’
D All of the above

Answer: All of the above
31 Which of the following belong to the eight spatial relationships?
A Disjoint, meets, equals
B Inside, covered by
C Contains, covers, overlaps
D All of the above

Answer: All of the above
32 Which of the following relationships is correct
A Point : (0-Simplex)
B Line segment : (1-simplex)
C Triangle : (2-simplex)
D All of the above

Answer: All of the above
33 The ‘boundary model’ is sometimes also called
A Topological data model
B Temporal data model
C Topological discrete model
D Temporal discrete model

Answer: Topological data model
34 Which of the following is true about ‘Delaunay Triangulation’
A The triangles are as equilateral s they can be
B For each triangle, the circumcircle through its anchor points does not contain any other anchor point
C Both A & B
D None of the above

Answer: Both A & B
35 TIN stands for
A Traffic Internet Network
B Triangulated Irregular Network
C Temporal Interest Network
D Temperature Interface Node

Answer: Triangulated Irregular Network
36 Which of the following is true
A Tessellations partition the study space into cells & assign a value to each cell
B A raster is a regular tessellation with square cells (by far the most commonly used)
C Both A & B
D None of the above

Answer: Both A & B
37 A ……………….. is a set of regularity spaced (and contiguous) cells with associated (field) values. The associated values represent call values, not point values. This means that the value for a cell is assumed to valid for all locations within the cell
A Crystal
B Raster
C Segment
D Polygon

Answer: Raster
38 The fundamental principle which refers to the fact that locations that are closer together are more likely to have similar values than locations that are far apart, is commonly referred to as
A Tobler’s first low of Geography
B Kepler’s first law of Geography
C Anthony’s first law of Geography
D Thompson’s first law of Geography

Answer: Tobler’s first low of Geography
39 Interpolation is made possible by a principle called
A Spatial Autocorrelation
B Spatial auto-correction
C Thematic Autocorrelation
D Thematic auto-correction

Answer: Spatial Autocorrelation
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