GTU First Year Engineering (Semester 1)
Basics of Environmental Studies
June 2013
Total marks: --
Total time: --
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (a) Define the following terms (Any five)
(1) Troposphere
(2) Hetrotrophs
(3) Malnutrition
(4) Death rate
(5) Carnivores
(6) Artesian well
(7) Specific yield
5 M
1 (b) Write the objectives and principles of environmental education
5 M
1 (c) Explain the single channel energy flow model.
4 M

2 (a) What is biogeochemical cycle? Explain Sulphur cycle with neat sketch.
7 M
2 (b) Enlist various types of ecosystem. Explain Grassland ecosystem and Lake ecosystem in detail.
7 M

3 (a) Enlist various methods of population projection. Explain Incremental increase method and logistic curve method.
7 M
3 (b) Explain renewable and non-renewable resource.
7 M

4 (a) Give the classification of use of water
7 M
4 (b) Describe Indian Scenario on forest resources.
7 M

5 (a) Write a note on geothermal and tidal energy
7 M
5 (b) Give the classification of water pollutants. What are the effects of water pollutants on humans?
7 M

6 (a) Describe the health hazards caused by air pollution
7 M
6 (b) What is noise pollution? How is it measured? Discuss noise rating systems
7 M

7 (a) What is global warming? What are the impacts of global warming? Which are the measures to reduce global warming?
7 M
7 (b) Discuss the controlling measures of air pollution.
7 M

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