National Level E-Quiz on "GIS & Remote Sensing", Organized by- Department of Geography

 

Online Quiz on "GIS & Remote Sensing", Organized by- Department of Geography

 

5. Warming up of the ocean water caused 

a. Coral bleaching

b. Landward migration of corals

c. Better growth of coral reefs

d. No change in coral health

Answer:  a. Coral bleaching

 

3. Projection System and Datum are the same thing 

a. True

b. False

 Answer: b. False

 

1. Errors in GIS database may be introduced by natural variation or fuzzy boundaries 

a. False

b. True

 Answer: b. True

 

4. Total number of GLONASS satellites in the orbit as of now 

a. Less than 12

b. 20

c. 6

d. More than 22

 Answer: d. More than 22

 

2. Digital Image is composed of tiny areas known as pixels. With each pixel is associated a number known as 

a. Digital Number

b. Brightness Value

c. Grey Level

d. All of the given options

 Answer: d. All of the given options

 

6. Remote sensing image provides macroscopic view of regional geological structures which is not available in field-based observation. 

a. False

b. True

 Answer:  a. False

 

7. Coastal zone is a line and represented as an arc in a GIS 

a. True

b. False

 Answer: b. False

 

10. Object based image analysis (OBIA) is generally applied to very high resolution satellite images. 

a. False

b. True

 Answer: b. True

 

8. Region is any portion of earth surface where physical conditions are _____________ 

a. None of the above

b. Similar

c. Homogeneous

d. Heterogeneous

 Answer: c. Homogeneous

 

9. DMSP OLS sensor works in thermal band. 

a. True

b. False

 Answer: b. False

 

11. Active forest fire can be best detected using 

a. Thermal

b. NIR

c. Visible

d. SWIR

Answer:  a. Thermal

 

15. Which of the following system has the same signal transmission for anti-podal satellites 

a. GPS

b. IRNSS

c. GLONASS

d. Compass

 Answer: c. GLONASS

 

14. Technologies leading to mobile mapping include 

a. Multi-platform & multi-sensor integrated mapping technology

b. All the given options

c. ICT / internet / wireless communication

d. Remote Sensing , GIS, GPS

 Answer: b. All the given options

 

12. SIS in SISNeT stands for: 

a. Signal-In-Space (SIS) through the internet

b. Both Signal-In-Space (SIS) through the internet and Signal-In-Signal (SIS) through the internet

c. Signal-In-Signal (SIS) through the internet

 Answer:  a. Signal-In-Space (SIS) through the internet

 

13. Which is not a webserver: 

a. PHP

b. Jetty

c. Apache

d. IIS

Answer:  a. PHP

 

18. Both spatial and attribute queries can be performed in QGIS. 

a. True

b. False

 Answer:  a. True

 

17. Human eye is sensitive to the __________region of EMR. 

a. Visible

b. Infrared

Answer:  a. Visible

 

20. Which wavelength regions are most appropriate for differentiating snow and clouds? 

a. X-Rays

b. Gamma Rays

c. Radio Wave

d. SWIR

 Answer: d. SWIR

 

19. 1 nanosecond error in timing, will generate error in ranging equal to: 

a. 30km

b. 300m

c. 0.3m

d. 30m

 Answer: d. 30m

 

16. Orbital velocity increases as altitude of satellite increases. 

a. True

b. False

Answer: a. True

 

22. Galileo and Glonass has same number of satellite in their satellite constellation 

a. False

b. True

Answer: a. False

 

21. GPS trackers need to communicate locally back to the server in order to track the individual / animal species. 

a. True

b. False

 Answer: a. True

 

24. The number of orbital planes of GALILEO system 

a. 5

b. 3

c. 6

d. 4

 Answer: b. 3

 

23. SDCM SBAS system belongs to: 

a. China

b. Russia

c. Japan

d. India

 Answer: b. Russia

 

25. Geostationary satellites orbit at an altitude of ___________ kms from the earth 

a. 22000

b. 36000

c. 3600

d. 2200

 Answer: b. 36000