AGV538_Tools and Technology Quiz

What is the main function of a Global Positioning System (GPS)?

• Measure air permeability

• Monitor crop growth

• Determine the location of an object using satellite signals

• Assess soil moisture levels

What is the process used by GPS to determine the location of an object?

• Triangulation

• Scattering

• Transmission

• Reflection

Which of the following is a source of error that can affect the accuracy of GPS?

• Wind speed

• Crop health

• Soil moisture levels

• Satellite orbits

What is the purpose of Differential GPS (DGPS) in improving GPS accuracy?

• Measure mechanical resistance

• Monitor crop yields

• Correct GPS signal errors

• Assess vegetation cover

What is the primary function of a Geographical Information System (GIS)?

• Determining crop water stress

• Measuring crop biomass

• Gathering and analyzing data

• Spraying fertilizer and pesticides

What type of data is represented by Raster data in GIS?

• Coordinates

• Pixels

• Mechanical resistance

• Chemical data

What is the main advantage of Vector data over Raster data in GIS?

• Faster display

• Pleasing to the eye

• Efficient for overlays

• Stores attributes

What is the science of obtaining and interpreting information from a distance using sensors?

• Remote Sensing

• Electro-Chemical Sensing

• Proximity Sensing

• Mechanical Sensing

What is the purpose of Vegetative Indexes (VI) and Normalized Difference Vegetative Index (NDVI) in agriculture?

• Measure air permeability

• Monitor drought

• Assess vegetation health

• Determine crop yields

What is the main function of Agriculture Sensors in smart farming?

• Monitoring crop growth

• Measuring air permeability

• Assessing soil moisture levels

• Spraying fertilizer and pesticides