Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 4th Sem New 2141305 Ecology And Remote Sensing Previous Question Paper
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV (NEW) EXAMINATION ? WINTER 2018
Subject Code: 2141305 Date:10/12/2018
Subject Name: Ecology and Remote Sensing
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Explain the objectives of ecology. 03
(b) How GIS and GPS is useful in Environmental Engineering field 04
(c) Define the terms in context of remote sensing: (1) electromagnetic
radiation, (2) absorption, (3) scattering, (4) refraction, and (5) reflection(6)
platform (7) sensors
07
Q.2 (a) GIS is an information infrastructure. Justify the statement. 03
(b) Define: (1)Communalism, (2) Mutualism,(3) Parasitism,(4) Amensalism 04
(c) Explain remote sensing process in detail. 07
OR
(c) Explain in detail population growth theory. 07
Q.3 (a) Give the difference between: Positive interaction and Negative interaction 03
(b) What is Climagraph? Explain it with neat sketch. 04
(c) Explain Shelford?s law of tolerance with appropriate example. 07
OR
Q.3 (a) Give the difference between: Territorialism and dominance hierarchies 03
(b) Explain agricultural applications of remote sensing in detail 04
(c) Explain in detail population growth theory. 07
Q.4 (a) Differentiate between: Active sensors and Passive sensors 03
(b) Explain how remote sensing is useful in environmental impact assessment 04
(c) Explain the key components of GIS. 07
OR
Q.4 (a) How photo and image are differ? 03
(b) What do you understand by 3D visualization of GIS data? 04
(c) Enlist functional requirements of GIS. 07
Q.5 (a) Differentiate Digital image processing and visual image processing. 03
(b) Explain factors affecting GPS data quality. 04
(c) Discuss about elements of Image Interpretation. 07
OR
Q.5 (a) Write a short note on Indian Remote Sensing Satellite. 03
(b) Discuss the working principle of GPS. 04
(c) Enlist the instruments used for ground truthing and explain the functions
of those instruments in detail.
07
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This post was last modified on 20 February 2020