Environmental Studies ยท Computer Knowledge
Geospatial and Monitoring Technology
1,527 Questions
Geospatial technology involves tools and methods used to map, monitor, and analyze the Earth. This section covers remote sensing, geographic information systems, and environmental monitoring networks. These topics are crucial for civil services and state level examinations.
Remote sensing techniquesGIS applicationsEnvironmental monitoringDigital elevation modelsSatellite communication
Geospatial and Monitoring Technology Questions
Which of the following is NOT a common application of Remote Sensing and GIS in land use planning?
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Land use classification
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Land use change detection
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Land use suitability analysis
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Agricultural monitoring
D
Correct answer
Explanation
Agricultural monitoring is typically not a common application of Remote Sensing and GIS in land use planning, as it is more commonly used in agricultural studies.
Which of the following is NOT a common application of Remote Sensing and GIS in education?
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Geography education
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Environmental education
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Health education
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Agricultural education
D
Correct answer
Explanation
Agricultural education is typically not a common application of Remote Sensing and GIS in education, as it is more commonly used in agricultural studies.
Which of the following is NOT a common application of Remote Sensing and GIS in disaster management?
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Disaster risk assessment
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Disaster response planning
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Disaster recovery planning
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Agricultural monitoring
D
Correct answer
Explanation
Agricultural monitoring is typically not a common application of Remote Sensing and GIS in disaster management, as it is more commonly used in agricultural studies.
What is the name of the technology used to detect whether a ball has crossed the goal line in soccer?
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Motion Capture Systems
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Hawk-Eye Technology
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Goal-Line Technology
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Video Assistant Referee (VAR)
C
Correct answer
Explanation
Goal-line technology uses sensors and cameras to determine if the ball has fully crossed the goal line, aiding referees in making correct goal/no goal decisions.
Which of the following is a key challenge in the implementation of geospatial infrastructure and technologies in India?
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Lack of data sharing and collaboration
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Insufficient capacity and skills
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Limited funding and resources
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All of the above
D
Correct answer
Explanation
Lack of data sharing and collaboration, insufficient capacity and skills, and limited funding and resources are all key challenges in the implementation of geospatial infrastructure and technologies in India.
Which technology enables the real-time collection and processing of geospatial data?
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Geographic Information Systems (GIS)
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Remote Sensing (RS)
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Global Positioning Systems (GPS)
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Internet of Things (IoT)
D
Correct answer
Explanation
The Internet of Things (IoT) enables the real-time collection and processing of geospatial data through various sensors and devices connected to the internet.
Which remote sensing technology is commonly used for disaster monitoring and damage assessment?
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Synthetic Aperture Radar (SAR)
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Optical imagery
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LiDAR
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All of the above
D
Correct answer
Explanation
SAR, optical imagery, and LiDAR are all employed for disaster monitoring and damage assessment due to their ability to provide valuable information about affected areas.
Which of the following is an example of how CIT has improved data collection and monitoring in the environmental sector in India?
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The use of remote sensing and GIS technology for land use mapping and monitoring
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The use of sensors and IoT devices for real-time monitoring of air quality and water quality
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The use of mobile apps for reporting environmental violations
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All of the above
D
Correct answer
Explanation
CIT has improved data collection and monitoring in the environmental sector in India through the use of remote sensing and GIS technology for land use mapping and monitoring, the use of sensors and IoT devices for real-time monitoring of air quality and water quality, and the use of mobile apps for reporting environmental violations.
Which of the following is a primary source of data for Remote Sensing in Climate Change Studies?
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Satellite Imagery
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Ground-based Observations
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Model Simulations
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Historical Records
A
Correct answer
Explanation
Satellite Imagery provides detailed information about the Earth's surface, atmosphere, and oceans, which is crucial for monitoring and understanding climate change.
Which Remote Sensing technique is commonly used to measure sea surface temperature?
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Thermal Infrared Imagery
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Microwave Radiometry
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Synthetic Aperture Radar
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Multispectral Imagery
A
Correct answer
Explanation
Thermal Infrared Imagery is widely used to measure sea surface temperature, as it captures the thermal radiation emitted by the ocean surface.
What is the primary application of Remote Sensing in monitoring glacier retreat?
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Measuring Ice Surface Elevation
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Mapping Glacier Extent
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Estimating Ice Volume
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Assessing Glacier Velocity
B
Correct answer
Explanation
Remote Sensing is primarily used to map glacier extent, providing valuable information on the rate of glacier retreat.
Which Remote Sensing technique is commonly used to monitor urban heat islands?
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Thermal Infrared Imagery
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Microwave Radiometry
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Synthetic Aperture Radar
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Multispectral Imagery
A
Correct answer
Explanation
Thermal Infrared Imagery is used to measure surface temperatures, making it valuable for monitoring urban heat islands and understanding the urban heat effect.
Which Remote Sensing technique is commonly used to measure land surface temperature?
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Thermal Infrared Imagery
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Microwave Radiometry
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Synthetic Aperture Radar
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Multispectral Imagery
A
Correct answer
Explanation
Thermal Infrared Imagery is widely used to measure land surface temperature, providing valuable information for studying land-atmosphere interactions and climate change impacts.
How does Remote Sensing contribute to monitoring changes in snow cover and glaciers?
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Optical Imagery
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Microwave Radiometry
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Synthetic Aperture Radar
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All of the above
D
Correct answer
Explanation
Remote Sensing techniques such as optical imagery, microwave radiometry, and synthetic aperture radar are used to monitor changes in snow cover and glaciers, providing valuable data for understanding the impacts of climate change on cryosphere.
Which type of electromagnetic radiation is used in marine navigation?
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X-rays
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Gamma rays
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LF radio waves
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Infrared waves
C
Correct answer
Explanation
LF radio waves are used in marine navigation because they can travel long distances and penetrate water.