Remote Sensing and Satellite Imagery MCQs With Answers

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Remote Sensing and Satellite Imagery Online Quiz

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• Test Name: Remote Sensing and Satellite Imagery MCQ Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

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Remote Sensing and Satellite Imagery

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1 / 40

What is the primary advantage of using RADAR in remote sensing over optical imagery?

Real-time data acquisition

High spatial resolution

All-weather capability (correct)

2 / 40

What does EO stand for in satellite imagery?

Exoplanet Observation

Earth Observation (correct)

Environmental Observation

3 / 40

What does SAR stand for in radar imaging?

Scanning Advanced Radar

Synthetic Aperture Radar (correct)

Satellite Augmented Radar

4 / 40

What does GIS stand for in the context of spatial data analysis?

Geological Information Service

Global Integration System

Geographic Information System (correct)

5 / 40

Which remote sensing technique measures surface elevation using time-of-flight calculations?

Spectroscopy

Radiometry

Satellite altimetry (correct)

6 / 40

Which satellite constellation provides global positioning and navigation services?

GLONASS

Galileo

GPS (Global Positioning System) (correct)

7 / 40

Which satellite sensor is used for monitoring ocean color and phytoplankton concentrations?

Landsat

Sentinel

SeaWiFS (correct)

8 / 40

Which satellite sensor is used for measuring sea surface temperatures?

MODIS

Landsat

AVHRR (Advanced Very High Resolution Radiometer) (correct)

9 / 40

What does NDVI measure using satellite imagery?

Vegetation health and biomass (correct)

Urban heat island effect

Soil moisture content

10 / 40

What is the primary application of hyperspectral imaging in remote sensing?

Ocean current monitoring

Atmospheric profiling

Detailed identification of materials (correct)

11 / 40

What does UAV stand for in the context of remote sensing?

Unmanned Aerial Vehicle (correct)

Unmanned Aerostatic Vehicle

Unmanned Airborne Vehicle

12 / 40

What is the primary use of geostationary satellites in remote sensing?

Polar ice cap monitoring

Global navigation

Continuous monitoring of weather (correct)

13 / 40

Which remote sensing technique is used for measuring soil moisture content?

Hyperspectral imaging

Microwave radiometry (correct)

Radar altimetry

14 / 40

Which satellite system provides global coverage for maritime surveillance and ship tracking?

COSMO-SkyMed

SPOT

AIS (Automatic Identification System) (correct)

15 / 40

Which remote sensing technique uses microwave signals to detect surface roughness?

Radar altimetry (correct)

Hyperspectral imaging

LiDAR

16 / 40

Which satellite sensor is used for monitoring atmospheric composition and air quality?

AVHRR

TROPOMI (correct)

SeaWiFS

17 / 40

Which satellite constellation is primarily used for weather forecasting and climate monitoring?

NOAA (correct)

RADARSAT

TerraSAR-X

18 / 40

Which satellite sensor is used for monitoring atmospheric composition and ozone levels?

MODIS

OMI (Ozone Monitoring Instrument) (correct)

Sentinel

19 / 40

Which satellite constellation provides high-resolution optical and SAR imagery for global monitoring?

Landsat

Sentinel (correct)

Pleiades

20 / 40

What is the primary use of satellite altimetry in remote sensing?

Monitoring deforestation

Urban planning

Measuring ocean topography (correct)

21 / 40

Which satellite system provides high-resolution optical imagery for civil and defense applications?

SPOT

COSMO-SkyMed

Pleiades (correct)

22 / 40

Which remote sensing technique uses passive sensors to measure reflected sunlight?

LiDAR

SAR

Optical imagery (correct)

23 / 40

What is the primary advantage of using MODIS data in environmental monitoring?

Wide spatial coverage (correct)

High spatial resolution

Real-time data acquisition

24 / 40

What is remote sensing?

Physical data manipulation

Local data acquisition

Collection of data from a distance (correct)

25 / 40

Which satellite sensor is used for monitoring wildfires and vegetation health?

Landsat (correct)

Sentinel

MODIS

26 / 40

What does DEM stand for in remote sensing?

Digital Elevation Model (correct)

Detailed Elevation Mapping

Digital Earth Model

27 / 40

What does VHR stand for in satellite imagery?

Very High Resolution (correct)

Variable High Resolution

Virtual High Resolution

28 / 40

What is the primary use of LiDAR in remote sensing?

Ocean temperature measurement

Atmospheric profiling

3D mapping and terrain modeling (correct)

29 / 40

What does EO-1 stand for in Earth Observation satellites?

Exoplanet Observation-1

Earth Observing-1 (correct)

Environmental Observation-1

30 / 40

Which type of satellite orbits the Earth in a near-polar orbit and covers the entire surface?

Geostationary satellite

Low Earth orbit satellite

Polar-orbiting satellite (correct)

31 / 40

Which remote sensing technique uses active sensors to emit and detect reflected signals?

LiDAR

Optical imagery

RADAR (correct)

32 / 40

What does MODIS stand for in satellite remote sensing?

Mobile Optical Directional Imaging

Multi-band Optical Data System

Moderate Resolution Imaging Spectroradiometer (correct)

33 / 40

What does AVHRR stand for in satellite meteorology?

Automated Visual High Resolution Radar

Atmospheric Variable High Resolution Radiometer

Advanced Very High Resolution Radiometer (correct)

34 / 40

Which electromagnetic spectrum band is commonly used for thermal imaging?

Infrared (correct)

Ultraviolet

Microwave

35 / 40

What does GPS stand for in satellite navigation?

Global Positioning Service

Geographic Positioning System

Global Positioning System (correct)

36 / 40

What is the purpose of multispectral imaging in remote sensing?

Atmospheric temperature profiling

Differentiating land cover types (correct)

Measuring soil moisture

37 / 40

Which satellite sensor is used for monitoring vegetation health?

SAR

Landsat

MODIS (correct)

38 / 40

What does PAN sharpening achieve in satellite imagery processing?

Improves spectral resolution

Enhances spatial resolution (correct)

Reduces noise

39 / 40

What is the primary advantage of using SAR in oceanography and sea ice monitoring?

Penetrates cloud cover (correct)

All-weather capability

High spatial resolution

40 / 40

What is the primary application of thermal infrared imaging in remote sensing?

Monitoring urban heat islands (correct)

Vegetation health monitoring

Sea surface temperatures

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