What type of data visualization in GIS displays continuous surfaces like elevation or temperature?
A. Choropleth maps
B. Dot density maps
C. Contour maps
D. Pie charts
Answer: Option C
A. Choropleth maps
B. Dot density maps
C. Contour maps
D. Pie charts
Answer: Option C
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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