Previous Year Questions
2024
GEOGRAPHY — HONOURS
Paper : CC-12
(Remote Sensing, GIS and GNSS)
Full Marks : 50
Group - A
Answer any five questions (each within 50 words).
2 × 5
1. What is EMR?
2. What is atmospheric window?
3. What do you mean by spectral reflectance curve?
4. What is orthorectification in remote sensing?
5. State the significance of overlay analysis.
6. What is ephemeris data used for?
7. What is GDOP?
Group - B
Answer any four questions (each within 150 words).
5 × 4
8. Differentiate between spectral and radiometric resolutions of satellite data with examples.
9. How do different regions of the electromagnetic spectrum contribute to various remote sensing applications?
10. What are the applications of SRTM data in geographical studies?
11. Explain the vector data structure in GIS and its advantages.
12. What is the significance of attribute tables in GIS-based data analysis and representation?
13. What are the advantages and disadvantages of GNSS-based survey over conventional surveys?
Group - C
Answer any two questions (each within 500 words).
10 × 2
14. State the characteristics and uses of the Landsat OLI sensor.
15. Discuss the roles of tone, texture, pattern and association in interpretation of remote sensing imagery with examples.
16. Discuss in which ways GIS can be utilised as a decision support system.
17. Describe the functional segments of a GNSS.
2023
GEOGRAPHY — HONOURS
Paper : CC-12
(Remote Sensing, GIS and GNSS)
Full Marks : 50
Group - A
1. Define raster data.
2. Define swath.
3. What is a standard FCC?
4. What is SRTM?
5. What is topology?
6. What is differential GPS?
7. What are the two main carrier frequencies of GPS?
Group - B
8. Explain various interactions of incident EM energy with the atmosphere.
9. What are the advantages and disadvantages of remote sensing?
10. State the different types of resolution of a sensor.
11. Distinguish between supervised and unsupervised classification of satellite data.
12. Explain the concept of buffer zone in GIS mentioning its significance in spatial analysis.
13. State the various factors that affect the accuracy of GNSS positioning.
Group - C
14. Explain the spectral reflectance characteristics of water and vegetation in different spectral bands.
15. Discuss the relative advantages and limitations of SRTM and CartoDEM over Survey of India topographical maps.
16. Explain the principles and significance of overlay analysis in GIS.
17. Explain the working principles of GPS.
2022
GEOGRAPHY — HONOURS
Paper : CC-12
(Remote Sensing, GIS and GNSS)
Full Marks : 50
Group - A
1. Define temporal resolution.
2. What is metadata? Give example.
3. What is a shapefile?
4. What is CartoDEM?
5. What is a waypoint?
6. Define nadir.
7. What is atmospheric window?
Group - B
8. Differentiate between geosynchronous and sun-synchronous orbits.
9. Write a short note on the applications of buffers in GIS.
10. Explain attribute data and spatial data.
11. Explain briefly the different types of platforms used in remote sensing.
12. Differentiate between spectral and spatial resolutions.
13. What are the sources of errors in GNSS survey?
Group - C
14. Discuss the different elements of image interpretation.
15. Describe the various segments of GNSS.
16. Make a comparison between the OLI and LISS-3 sensors.
17. Write a note on image classification in remote sensing.
2021
GEOGRAPHY — HONOURS
Paper : CC-12
(Remote Sensing, GIS and GNSS)
Full Marks : 50
Group - A
1. Define Swath.
2. What is passive remote sensing?
3. Define topology.
4. What are the advantages of ALOS DEM data?
5. What is the purpose of georeferencing?
6. What is radiometric resolution?
7. Define GNSS.
Group - B
8. What is the spectral reflectance characteristics of water and vegetation in blue, green, and NIR bands?
9. Discuss the different forms of scattering.
10. Differentiate between whisk-broom and push-broom scanners with examples.
11. Discuss the role of tone and texture in visual image interpretation with examples.
12. Write a short note on query and its use in GIS.
13. How does a GNSS satellite communicate with a ground-based receiver unit?
Group - C
14. Compare the advantages and disadvantages of digital vis-a-vis visual image interpretation.
15. What are the advantages and disadvantages of using GIS?
16. Explain the various applications of buffer generation in GIS.
17. What steps are involved in transferring GNSS waypoint data to GIS?
2020
GEOGRAPHY — HONOURS
Paper : CC-12
(Remote Sensing, GIS and GNSS)
Full Marks : 50
Category - A
1. What is meant by remote sensing?
2. What is Electromagnetic spectrum?
3. Define Atmospheric Window.
4. What is DEM?
5. What is a standard FCC?
6. What do you mean by single and multiple buffers?
7. Name any two Global Navigation Satellite Systems that can be used as alternatives to GPS.
Category - B
8. Differentiate between sun-synchronous and geo-synchronous satellites.
9. Explain passive and active sensors with examples.
10. What do you mean by spectral signature of an object? Explain using an example.
11. State the different types of resolution of a sensor.
12. Make a comparative assessment of CartoDEM and SRTM digital elevation data.
13. What are the sources of errors in GNSS survey?
Category - C
14. Discuss the different elements of image interpretation with suitable examples.
15. ‘Use of GIS leads to better decision making in governance’. — Elaborate the statement.
16. Explain the principles and significance of overlay analysis in GIS.
17. Describe the different segments of GNSS.
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