Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

 BE - SEMESTER–IV (NEW) EXAMINATION – WINTER 2021

Subject Code:3141308 Date:31/12/2021

Subject Name: Environmental Resource management

Time:10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions. 

2. Make suitable assumptions wherever necessary. 

3. Figures to the right indicate full marks.

4. Simple and non-programmable scientific calculators are allowed.

MARKS

Q.1 (a) Define the following terms;

I. Population density II. Doubling time III. Population dynamics

03

(b) Write & explain IPAT equation. 04

(c) Explain the concept of “Greenhouse” with neat sketch. 07

Q.2 (a) Highlights the limitations of Tidal Energy. 03

(b) Define consumptive & non consumptive uses of water. 04

(c) Explain how the forests act as “ air – purifiers” and as “ carbon storage tanks” 07

OR

(c) Justify the statement “ Population is a root cause of Pollution “ 07

Q.3 (a) What do you understand by “social forestry” & also explain is purpose. 03

(b) Explain the statement, “Sun as a main energy source”. 04

(c) Define resources & give the classification of various types of resources with 

examples.

07

OR

Q.3 (a) What do you understand by Global Warming Potential (GWP) & also enlist various 

Green House Gases.

03

(b) Explain environmental effects of Deforestation 04

(c) Establish the relationship between “Environmental carrying capacity” & 

“Population explosion” and also explain its effect on “Quality of Life”

07

Q.4 (a) Explain the need of biodiversity conservation. 03

(b) Enlist atleast five physical & social impacts occurred by Climate change. 04

(c) Enlist & compare population theories. 07

OR

Q.4 (a) Name the sources of food. 03

(b) Write down the environmental impacts caused by the agricultural activity. 04

(c) Define “Clean Development Mechanism (CDM) “. Express your views for 

possible ways to implement CDM in our country?

07

Q.5 (a) Define ethics & relate it with the Environment. 03

(b) Discuss the reasons for extinction of wild life. 04

(c) Explain chemistry involved in Ozone layer destruction & briefly explain the effects on 

environment.

07

OR

Q.5 (a) Define Water reuse & recycling. 03

(b) Enlist national & international movements for Climate change. 04

(c) Explain the term “Carbon footprint” and identity & enlist your activities which 

considered as primary & secondary type of carbon footprint.