What is the main purpose of thematic mapping in GIS?
A. To display elevation
B. To visualize spatial distribution of a specific variable
C. To track satellites
D. To measure GPS accuracy
Answer: Option B
Solution (By Examveda Team)
Thematic maps show spatial distribution of particular phenomena like soil types, hazard zones, or land use.They help in focused analysis and decision-making.This Question Belongs to Geological Engineering >> Remote Sensing And GIS In Geological Engineering
What is the primary principle behind remote sensing?
A. Collecting data by direct contact
B. Observing Earth from a distance using sensors
C. Drilling to collect soil samples
D. Using underground radar
Which of the following is an active remote sensing technique?
A. Aerial photography
B. LiDAR (Light Detection and Ranging)
C. Thermal infrared imaging
D. Multispectral scanning
Which GIS component is responsible for spatial data analysis?
A. Hardware
B. Software
C. Data
D. People
In remote sensing, what does spectral resolution refer to?
A. Size of the area covered
B. Ability to distinguish between different wavelengths
C. Number of pixels in the image
D. Time between image acquisitions
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