What kind of data is stored in a raster GIS format?
A. Vector points and lines
B. Pixel-based data representing continuous fields
C. Tabular attribute data
D. Satellite communication signals
Answer: Option B
Solution (By Examveda Team)
Raster data consists of grid cells or pixels, each holding a value.This format is suitable for continuous data like elevation, temperature, or satellite images.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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