Q1 A of 30 Page 96

Choose the best answer

The new phase in topographical surveying in the 20th century is ___________.


A. Toposheets


B. aerial photography


C. maps


D. satellite imagery


Option b) and d) are correct. Aerial photography and satellite imagery are the new phase in topographical surveying in the 20th century. Aerial photography is a technique of obtaining information about places or objects or phenomenon with the help of photographs taken by camera whereas Satellite imagery is digitally transmitted images of the satellites.


Option a) is not correct because toposheets was used from ancient times.


Option c) is not correct because maps were also used from very ancient times. The ancient Greek, Roman was first people who created maps.

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1

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___________ indicates the purpose or theme of the map.


A. Title


B. Scale


C. Direction


D. Legend


 1 C

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Standard symbols that are used in maps to convey a definite meaning are called ___________.


A. conventional signs and symbols


B. coordinates


C. grid references


D. directions


 1 D

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Which one of the following maps shows us a very large area with less details? ___________.


A. Large scale


B. Thematic


C. Physical


D. Small scale


 1 E

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GPS consists of a constellation of ___________ satellites.


A. 7


B. 24


C. 32


D. 64