Geographic Information System (GIS) – Quiz 1 Related Post Geographic Information System (GIS) – Quiz 3 Geographic Information System (GIS) – Quiz 2 1. While digitizing a map, poorly geo-referenced raster layer (image, photograph) will cause: Image blurring Non alignment of features Mixing of color tone Scale distortion 2. Which one of the following scientific instrument measures the curvature of earth surface? Aeolipile ENIAC Archimedes Sextant 3. Which of the following satellite will provide us weather data? EROS Meteosat Blackbridge Spot image 4. Which of the following projection is NOT conformal? Mercator Transverse Mercator Stereographic Sinusoidal 5. Which of the following is the source of raster data? Plain table survey Chain survey Theodolite survey Arial photography 6. Which of the following is polygon feature? A football ground A river course Railway line A well 7. Which of the following is NOT vector data? Municipal boundary of city Demarcation of course of river Demarcation of motorway Arial photograph 8. Which of the following is NOT described by attributes of a vector feature? Position Color Size Age 9. Which of the following image will be considered as highest resolution image? Pixel size 10 m x 10 m Pixel size 50 m x 50 m Pixel size 100 m x 100 m Pixel size 500 m x 500 m 10. Which of the following country is the major trade partner of India? China UAE USA Saudi Arabia 11. When we add more than one layer to a map, the layer: Supplement each other Overlaid Replace each other Merged 12. What is relationship between pixel size of image and storage capacity of computer? Larger the pixel size , greater the required storage capacity Smaller the pixel size , greater the required storage capacity Smaller the pixel size , lesser the required storage capacity Pixel size automatically adjust with storage capacity 13. What do you understand by pixels? A basic unit of vector data A basic unit of raster data Marginal information of imagery One of the data error factor 14. Wakhan corridor separates Pakistan from? China Afghanistan Tajikistan Iran 15. There are different groups of projections. Mollweide projection is part of ________________ projection group? Cylindrical Conical Azimuthal Thematic 16. The Transverse Mercator Projection has the advantage of maintaining ______________ for small areas? Scale Shape Area All of them 17. The rate at which photon strikes a surface is known as ___________________? Irradiance (Ec) Radiant exitance (Mc) Radiant flux (?c) Wave flux (Wc) 18. The process of capturing raster data from an aero plane or satellite is called: Data acquisition Geo-referencing of data Remote sensing Spatial analysis 19. The latest commercial satellite GEO EYE 1 has a GSD of 0.41m. What does it mean? Single pixel within an image is 0.41m x 0.41m Minimum image size is 0.41 meters An image has maximum 0.41 million pixels In one shot satellite can capture area of 0.41 miles 20. The GIS application allows creating and modifying the geometry data in layers, a process is called: Edging Scanning Digitizing Customizing Loading … Question 1 of 20
