CBSE Class-12 Exam 2020 : Question Paper (Geospatial Technology)

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CBSE Class-12 Exam 2020 : Question Paper (Geospatial Technology)

  • Subject :-Geospatial Technology
  • Class : XII
  • Year : 2020


Employability Skills

Answer any 4 questions out of the given 6 questions of 1 mark each. 1x4=4

1. Which one of the following actions does not help to become an active listener ? 1
(A) Listen carefully
(B) Ask for clarification, if required
(C) Interrupt repeatedly
(D) Don’t interrupt

2. Which one of the following is the keyboard shortcut to open a file ? 1
(A) Ctrl + O
(B) Ctrl + S
(C) Ctrl + N
(D) Ctrl + P

3. You wish to become the most successful GIS analyst of your time. Which of the following will not work as a source of motivation ? 1
(A) Music
(B) Sleep
(C) Books
(D) Dreaming big

4. What is Entrepreneurship ? 1

5. Books are said to be best __________ . 1

6. Mention any two green jobs in solar and wind power sector. 1

Answer any 3 questions out of the given 5 questions of 2 marks each. 2x3=6

7. How is active listening a helpful skill for an employee ? 2

8. Imagine you are a GIS analyst working with DRDO. You are assigned the responsibility of analysis of RS data of the Indian international border in Arunachal Pradesh. Mention any two personality traits which are required in you to work on such a sensitive project. 2

9. Mention any two ways in which you can insert pictures in a slide. 2

10. Explain any two differences in attitudes of entrepreneurs and employees. 2

11. What are green buildings ? Explain. 2


(Subject Skills)

Answer any 10 questions out of the given 12 questions of 1 mark each. 1x10=10

12. Which one of the following is the main source of electromagnetic energy ? 1
(A) Sun
(B) Moon
(C) Earth
(D) Coal

13. What occurs when incident EMR bounces off from a smooth surface ? 1
(A) Transmittance
(B) Absorption
(C) Reflection
(D) Scattering

14. Which one of the following is not included in a remote sensing process ? 1
(A) Monitoring
(B) Production
(C) Inventory
(D) Assessment

15. Which procedure transforms the features and location from a 3D to a 2D surface ? 1
(A) Datum
(B) Coordinates
(D) Projection

16. The process of creating new GIS products from existing products is known as : 1
(A) GIS editing
(B) GIS vectorisation
(C) GIS modelling
(D) GIS troubleshooting

17. All object matters that have temperature higher than _________ emit EMR. 1

18. _________ analysis is used for identifying area surrounding geographic features. 1

19. Stone Age people navigated by means of _________. 1

20. Which navigation system has the unique feature of search and rescue ? 1

21. What is topology ? Explain. 1
22. Which GIS vendor provides the 3D software Geomatica ? 1
23. Which GIS refers to exchange of data to GIS software system network without format conversion. 1

Answer any 5 questions from the given 7 questions of 2 marks each. 2x5=10

24. Explain the radio navigation system. 2
25. What is GIS ? Why is it called as Geo-based information system ? 1+1=2
26. Explain Spatial database. 2
27. Name any two image enhancement techniques. 1+1=2
28. What is the purpose of filtering ? Explain. 2
29. What is digital photogrammetry ? Explain 2
30. What is Watershed management ? Which method was used in Doddahalla watershed to manage the resources ? 1+1=2

Answer any 5 questions from the given 7 questions of 3 marks each. 3x5=15

31. Explain Temporal resolution with examples. 2+1=3
32. Explain the spectral reflectance characteristics of soil. 3
33. What is spatial overlay ? Explain any two methods of vector overlay. 1+2=3
34. What is UTM ? Explain. 3
35. What is trilateration ? Explain the principle and process of deciding receiver’s location. 1+2=3
36. What is surveying ? How does GPS help in surveying and mapping ? 1+2=3
37. What is multispectral remote sensing ? Explain its characteristics. 1+2=3

Answer any 3 questions from the given 5 questions of 5 marks each. 5x3=15

38. Explain the role of Geospatial technology in the development of Urban and Infrastructure planning. 5
39. What is LIDAR ? Explain. 5
40. What is Digital Image processing ? Mention all the steps and explain any one step. 1+2+2=5
41. ‘‘Many organizations have implemented GIS to improve the management of their resources.’’ Explain how GIS facilitates organizations in present times. 5
42. Explain the functions of GIS. 5


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Courtesy: CBSE