GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-1V (NEW) EXAMINATION - WINTER 2018
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Subject Code: 2141305
Subject Name: Ecology and Remote Sensing
Time: 02:30 PM TO 05:00 PM
Date:10/12/2018
Total Marks: 70
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Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
- (a) Explain the objectives of ecology. [03]
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(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] - (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]--- Content provided by FirstRanker.com ---
OR
Explain in detail population growth theory. [07] - (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]--- Content provided by FirstRanker.com ---
OR
Give the difference between: Territorialism and dominance hierarchies [03] - (a) Explain agricultural applications of remote sensing in detail [04]
(b) Explain in detail population growth theory. [07]
- (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
How photo and image are differ? [03] - (a) What do you understand by 3D visualization of GIS data? [04]
(b) Enlist functional requirements of GIS. [07] - (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]--- Content provided by FirstRanker.com ---
OR
Write a short note on Indian Remote Sensing Satellite. [03] - (a) Discuss the working principle of GPS. [04]
(b) Enlist the instruments used for ground truthing and explain the functions of those instruments in detail. [07]
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