What is the primary function of the GIS operation called 'spatial join'?
A. To digitize maps
B. To attach attribute data from one layer to another based on location
C. To convert raster to vector data
D. To create 3D visualizations
Answer: Option B
Solution (By Examveda Team)
Spatial join combines attribute data from two layers based on their spatial relationship.It is essential for integrating different datasets.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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