7. Which one of the following Techniques is used for reducing dimensionality of large-scale data sets?

8. Which one of the following is not a method of cluster analysis?

9. The spectral signature of water is normally;

10. How do you measure the height of a mountain?

11. A wind rose shows the details of;

Choose the correct option;

13. Two points, A and B, are located at the elevation of 1500 m and 1250 m from the mean sea level with the horizontal equivalent 500m between them. Which one of the following values of the slope gradient is correct, in this respect?

14. How many classes are there in a Beaufort scale?

15. Which one of the following is used for representing relief features?

Choose the correct option;

17. Which one of the following satellites is specifically designed for agricultural application?

18. Assertion; Map making, collection, and compilation of space related data and calculations date back thousands of years.
Reason; The earliest known maps were drawn in Egypt during 1200 BCs.

19. Which one of the following is the first civilian remote sensing satellite launched by India?

20. Assertion; A radiothermal camera measures and interprets intensity of infrared signals reaching the camera.
Reason; Thermal infrared spectrum can be photographed by using special cameras.

21. Which one of the following is a fundamental principle of Global Positioning System?

22. Identify the incorrect statement related to GPS;

23. Which one of the following uses non-earth coordinate system?

24. The reference level considered for geodetic calculations are known as;

25. Indian Regional Navigation Satellite System is known as;