Remote Sensing MCQs

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1. : Remote sensing refers to:





2. : Which is the main source of energy for remote sensing of the Earth?





3. : The electromagnetic spectrum used in remote sensing ranges from:





4. : The visible spectrum of light ranges approximately from:





5. : The Landsat series of satellites are mainly used for:





6. : In remote sensing, “spectral resolution” refers to:





7. : Spatial resolution in remote sensing refers to:





8. : Which satellite sensor provides the highest spatial resolution?





9. : Aerial photographs are taken using:





10. : Passive remote sensing systems depend on:





11. : Active remote sensing systems include:





12. : The term “temporal resolution” means:





13. : Which sensor is widely used for vegetation studies?





14. : NDVI is calculated using which spectral bands?





15. : The full form of GIS is:





16. : The first Earth observation satellite launched by NASA was:





17. : Which remote sensing technique is useful for studying rainfall and soil moisture?





18. : The spectral signature of an object refers to:





19. : Panchromatic images are captured in:





20. : LIDAR technology uses:





21. : Which orbit is commonly used by remote sensing satellites?





22. : Thermal remote sensing measures:





23. : Which satellite program is operated by the European Space Agency (ESA)?





24. : Hyperspectral sensors provide:





25. : Which of the following is NOT an application of remote sensing?





26. : The main advantage of radar remote sensing is:





27. : MODIS sensor is onboard which satellite?





28. : Which resolution is most important for detecting small houses in urban mapping?





29. : Radiometric resolution refers to:





30. : Which satellite is India’s first remote sensing satellite?





31. : The GSD (Ground Sampling Distance) is related to:





32. : What is the main limitation of passive optical remote sensing?





33. : Microwave remote sensing is especially useful for:





34. : Which wavelength region is best for vegetation monitoring?





35. : GPS is mainly used for:





36. : Which type of sensor records reflected sunlight?





37. : The main principle behind remote sensing is:





38. : Which of the following is NOT a part of remote sensing system?





39. : Which band of electromagnetic spectrum is most absorbed by water?





40. : Which international satellite program provides free global data for land cover monitoring?





41. : “False color composite” in remote sensing means:





42. : Which of the following is a microwave remote sensing satellite?





43. : Remote sensing data is often combined with:





44. : Which US agency operates Landsat satellites?





45. : Which property of vegetation is used in NDVI analysis?





46. : Which band is most useful for detecting forest fires?





47. : Which type of satellite orbit allows continuous observation of the same area?





48. : The first Indian remote sensing satellite dedicated to resources monitoring was:





49. : Which sensor is best for global climate and vegetation studies?





50. : The ultimate aim of remote sensing in environmental studies is to:





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