Remote sensing is the process of gathering information about the earth’s surface and atmosphere from a distance, typically using satellite or airborne sensors. Remote sensing is used in a variety of fields, including environmental monitoring, land use planning, and natural resource management. Here are some Multiple Choice Questions (MCQ) & Answers:-
- Which of the following statements is true about Remote Sensing?
A) It is the process of acquiring information about the Earth’s surface without physically being in contact with it.
B) It is the process of collecting data by physically being in contact with the Earth’s surface.
C) It is the process of acquiring information about the Earth’s surface by drilling holes in it.
D) It is the process of acquiring information about the Earth’s surface by conducting surveys.
Answer: A - Which of the following statements is true about GIS?
A) It is a type of remote sensing technology.
B) It is a software application used to analyze, visualize, and manipulate spatial data.
C) It is a tool used to measure the depth of oceans.
D) It is a tool used to conduct geological surveys.
Answer: B - Which of the following is an example of an active remote sensing technology?
A) LiDAR
B) Landsat
C) MODIS
D) AVHRR
Answer: A - Which of the following is an example of a passive remote sensing technology?
A) RADAR
B) LiDAR
C) SONAR
D) Landsat
Answer: D - Which of the following statements is true about remote sensing imagery?
A) It can only be collected during the day.
B) It can only be collected during clear weather conditions.
C) It can be collected during any time of the day or night and under any weather conditions.
D) It can only be collected during the night.
Answer: C - Which of the following factors affects the spatial resolution of remote sensing imagery?
A) The wavelength of the radiation used
B) The type of sensor used
C) The altitude of the platform carrying the sensor
D) All of the above
Answer: D - Which of the following remote sensing sensors is best suited for studying the Earth’s atmosphere?
A) RADAR
B) LiDAR
C) AVHRR
D) MODIS
Answer: C - Which of the following is an example of a GIS data format?
A) JPEG
B) PDF
C) TIFF
D) PNG
Answer: C - Which of the following GIS functions is used to combine different data layers to create new information?
A) Analysis
B) Query
C) Editing
D) Overlay
Answer: D - Which of the following remote sensing platforms is best suited for monitoring ocean temperatures?
A) Airborne platforms
B) Spaceborne platforms
C) Ground-based platforms
D) All of the above
Answer: B - Which of the following remote sensing sensors is best suited for detecting vegetation health?
A) RADAR
B) LiDAR
C) AVHRR
D) MODIS
Answer: D - Which of the following is an example of a vector data model in GIS?
A) Digital Elevation Model (DEM)
B) Image Classification
C) Points, lines, and polygons
D) Remote Sensing Imagery
Answer: C - Which of the following is an example of a passive remote sensing technology?
A) Synthetic Aperture Radar (SAR)
B) Hyperspectral Imaging
C) Radiometers
D) Doppler Radar
Answer: C - Which of the following remote sensing techniques can be used to study the composition of rocks?
A) LiDAR
B) Hyperspectral Imaging
C) RADAR
D) Thermal Imaging
Answer: B - Which of the following GIS functions is used to find features within a specified distance of a given location?
A) Analysis
B) Query
C) Editing
D) Buffering
Answer: D - Which of the following remote sensing platforms is best suited for monitoring changes in urban areas over time?
A) Airborne platforms
B) Spaceborne platforms
C) Ground-based platforms
D) All of the above
Answer: B - Which of the following GIS functions is used to measure the length or area of a feature?
A) Analysis
B) Query
C) Editing
D) Measurement
Answer: D - Which of the following remote sensing sensors is best suited for studying the Earth’s surface in detail?
A) RADAR
B) LiDAR
C) AVHRR
D) MODIS
Answer: B - Which of the following is an example of a raster data model in GIS?
A) Digital Elevation Model (DEM)
B) Image Classification
C) Points, lines, and polygons
D) Remote Sensing Imagery
Answer: D - Which of the following remote sensing techniques can be used to study the movement of ice sheets?
A) LiDAR
B) RADAR
C) Hyperspectral Imaging
D) Thermal Imaging
Answer: B - Which of the following factors affects the temporal resolution of remote sensing imagery?
A) The wavelength of the radiation used
B) The type of sensor used
C) The altitude of the platform carrying the sensor
D) The orbit of the platform carrying the sensor
Answer: D - Which of the following remote sensing platforms is best suited for monitoring the distribution of land cover types?
A) Airborne platforms
B) Spaceborne platforms
C) Ground-based platforms
D) All of the above
Answer: B - Which of the following GIS functions is used to modify the attributes or geometry of a feature?
A) Analysis
B) Query
C) Editing
D) Buffering
Answer: C - Which of the following remote sensing sensors is best suited for detecting oil spills on the ocean surface?
A) RADAR
B) LiDAR
C) AVHRR
D) MODIS
Answer: A - Which of the following is an example of a thematic map in GIS?
A) Digital Elevation Model (DEM)
B) Image Classification
C) Points, lines, and polygons
D) Land use map
Answer: D - Which of the following remote sensing techniques can be used to study the distribution of vegetation in a forested area?
A) LiDAR
B) RADAR
C) Hyperspectral Imaging
D) Thermal Imaging
Answer: C - Which of the following GIS functions is used to select features from a data layer based on a specified criteria?
A) Analysis
B) Query
C) Editing
D) Buffering
Answer: B - Which of the following remote sensing platforms is best suited for monitoring volcanic activity?
A) Airborne platforms
B) Spaceborne platforms
C) Ground-based platforms
D) All of the above
Answer: C - Which of the following is an example of a satellite-based remote sensing platform?
A) Unmanned Aerial Vehicles (UAVs)
B) Ground-based LiDAR
C) International Space Station (ISS)
D) Landsat
Answer: D - Which of the following GIS functions is used to compare data layers to identify similarities or differences between them?
A) Analysis
B) Query
C) Editing
D) Overlay
Answer: D - Which of the following remote sensing sensors is best suited for detecting changes in sea surface height due to ocean currents?
A) RADAR
B) LiDAR
C) AVHRR
D) Altimeter
Answer: D - Which of the following GIS functions is used to calculate the slope and aspect of a terrain surface?
A) Analysis
B) Query
C) Editing
D) Terrain Analysis
Answer: D - Which of the following remote sensing platforms is best suited for monitoring the migration patterns of birds?
A) Airborne platforms
B) Spaceborne platforms
C) Ground-based platforms
D) All of the above
Answer: A - Which of the following is an example of a field-based remote sensing platform?
A) Unmanned Aerial Vehicles (UAVs)
B) Ground-based LiDAR
C) International Space Station (ISS)
D) Landsat
Answer: B - Which of the following GIS functions is used to create a new data layer by combining multiple data layers?
A) Analysis
B) Query
C) Editing
D) Overlay
Answer: D - Which of the following remote sensing sensors is best suited for studying the depth of the ocean floor?
A) RADAR
B) LiDAR
C) AVHRR
D) Sonar
Answer: D - Which of the following GIS functions is used to reproject a data layer from one coordinate system to another?
A) Analysis
B) Query
C) Editing
D) Georeferencing
Answer: D - Which of the following remote sensing platforms is best suited for monitoring the spread of wildfires?
A) Airborne platforms
B) Spaceborne platforms
C) Ground-based platforms
D) All of the above
Answer: D - Which of the following is an example of a metadata element in GIS?
A) Attribute Table
B) Scale Bar
C) Legend
D) Data Source
Answer: D - Which of the following remote sensing techniques can be used to study the movement of glaciers?
A) LiDAR
B) RADAR
C) Hyperspectral Imaging
D) Thermal Imaging
Answer: A
