Quiz To Test Your Remote Sensing And GIS Knowledge

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  • 1/10 Questions

    The active remote sensing has sensors which have its own source of light which actively sends pulse and measures the backscatters reflected to the sensors.

    • True
    • False
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About This Quiz

Ever wondered how much you know about remote sensing and GIS? Do you know what are they used for? Take the online quiz to see how much you know and learn interesting facts.

Quiz To Test Your Remote Sensing And GIS Knowledge - Quiz

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  • 2. 

    Geostationary satellites is getting the remote sensing data about weather and climate.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Geostationary satellites are indeed used to collect remote sensing data about weather and climate. These satellites are positioned at a fixed point above the Earth's equator, allowing them to continuously monitor a specific region on the planet's surface. By capturing images and data from space, geostationary satellites provide valuable information about weather patterns, atmospheric conditions, and climate changes. This data is crucial for meteorologists, scientists, and governments to understand and predict weather phenomena, track storms, and study long-term climate trends.

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  • 3. 

    Map which uses points and line segments to identify locations on the earth is called as ....

    • Vector map

    • Raster map

    • Topography map

    • Physical map

    • City map

    Correct Answer
    A. Vector map
    Explanation
    A vector map is a type of map that uses points and line segments to identify locations on the earth. It represents geographic features using mathematical formulas and coordinates, allowing for precise and scalable representations of the terrain. Unlike raster maps which use pixels, vector maps can be resized without losing quality. This makes them ideal for applications that require detailed and accurate mapping, such as GIS (Geographic Information Systems) and navigation systems.

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  • 4. 

    Making measurement of the Earth using sensors on airplane or satellite is called as ....

    • Photography

    • Remote sensing

    • GIS

    • GPS

    • Mapping

    Correct Answer
    A. Remote sensing
    Explanation
    Remote sensing is the correct answer because it refers to the process of gathering information about the Earth's surface using sensors on airplanes or satellites. This technology allows scientists to collect data on various aspects of the Earth, such as land cover, temperature, and vegetation, without physically being present at the location. Remote sensing is widely used in fields like environmental monitoring, agriculture, and urban planning to gather valuable information for analysis and decision-making.

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  • 5. 

    Passive remote sensing cannot works without the availability of sunlight.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Passive remote sensing relies on the detection and measurement of natural energy emitted or reflected by objects on the Earth's surface. This energy includes sunlight, which is a crucial source of radiation for passive remote sensing systems. Without sunlight, there would be no energy to detect or measure, rendering passive remote sensing ineffective. Therefore, the statement that passive remote sensing cannot work without the availability of sunlight is true.

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  • 6. 

    Computer based tool for handling all the geographical data taken by sensors is called as ....

    • Photography

    • Remote sensing

    • GIS

    • GPS

    • Mapping system

    Correct Answer
    A. GIS
    Explanation
    A computer-based tool for handling all the geographical data taken by sensors is called GIS, which stands for Geographic Information System. GIS allows for the collection, storage, analysis, and visualization of geographic data, helping to understand patterns, relationships, and trends in the data. It is widely used in various fields such as urban planning, environmental management, and disaster response, as it enables users to make informed decisions based on spatial information.

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  • 7. 

    Map which uses a series of cells or grid to represent locations on earth is called as ...

    • Vector map

    • Raster map

    • Topography map

    • Physical map

    • City map

    Correct Answer
    A. Raster map
    Explanation
    A raster map is a type of map that uses a series of cells or a grid to represent locations on Earth. Each cell or pixel on the map contains a value that represents a specific attribute or characteristic of the location it represents. This type of map is commonly used in geographic information systems (GIS) and is especially useful for displaying continuous data such as elevation, temperature, or precipitation. Unlike vector maps, which use points, lines, and polygons to represent features, raster maps are made up of a grid of pixels that collectively form the map image.

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  • 8. 

    Which of the following is not the advantages of remote sensing?

    • Most of remote sensors operate in every season and even in the real tough weather.

    • Provide a view for larger region.

    • Offers geo-referenced and digital information.

    • Launch a satellite sensor is cheaper than going to get the data. 

    Correct Answer
    A. Launch a satellite sensor is cheaper than going to get the data. 
    Explanation
    The given statement suggests that launching a satellite sensor is cheaper than physically going to collect the data. However, this is not an advantage of remote sensing. Remote sensing is advantageous because most sensors can operate in any season and weather conditions, provide a view of larger regions, and offer geo-referenced and digital information. The cost comparison between launching a satellite sensor and physically collecting data is not relevant to the advantages of remote sensing.

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  • 9. 

    Choose two of the satellites usually used in remote sensing.

    • Polar-Orbiting satelllites

    • Geostationary satellites

    • Navigation satellites

    • Infrared imagery satellites

    Correct Answer(s)
    A. Polar-Orbiting satelllites
    A. Geostationary satellites
    Explanation
    Polar-Orbiting satellites and Geostationary satellites are two commonly used satellites in remote sensing. Polar-Orbiting satellites orbit the Earth in a polar or near-polar path, covering the entire Earth's surface over time. They provide global coverage and are ideal for collecting data on weather patterns, climate change, and environmental monitoring. On the other hand, Geostationary satellites orbit the Earth at the same speed as the Earth's rotation, allowing them to remain fixed over a specific location on the equator. They provide continuous coverage of a specific region, making them useful for monitoring weather conditions, tracking storms, and telecommunications.

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  • 10. 

    Which of the following is not true about the GIS application?

    • It can be use to evaluate the underlying surroundings of the area before landing.

    • It can be use to check the air traffic in aviation

    • It can be use to identify critical intervention area by pest.

    • It can be use to observe the causes and effects of climate change.

    • It can be use to exchange information with another devices.

    Correct Answer
    A. It can be use to exchange information with another devices.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 12, 2021
    Quiz Created by
    Themes

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