r059210402 Environmental Studies

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Code No: R059210402 Set No. 1

II B.Tech I Semester Supplementary Examinations, February 2007ENVIRONMENTAL STUDIES

( Common to Electronics & Communication Engineering, Electronics &Telematics, Electronics & Computer Engineering and Aeronautical

Engineering)

Time: 3 hours Max Marks: 80Answer any FIVE QuestionsAll Questions carry equal marks

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1. (a) Write three reasons for studying the state of environment.

(b) Write definition of “environmental studies”.

(c) Discuss the recreational value of nature? [6+3+7]

2. (a) What do you understand by biotic and a biotic pouts of nature?

(b) Explain the interaction and interdependency of these. [6+10]

3. (a) Define ecosystem and list components of an ecosystem.

(b) Briefly explain the manner in which ecosystems are destroyed by human ac-tivites. [10+6]

4. (a) Why is it necessary to maintain biodiversity?

(b) What are the different services that are contributed in various ways by biodi-versity? [16]

5. (a) Oceans are ultimate sink for most of the waste we produce .Explain.

(b) List off shore sources of Marine Pollution.

(c) Explain the effects of oil pollution on the ocean . [8+4+4]

6. (a) Define watershed management and explain the objectives of watershed man-agement ?

(b) Suggest various methods for the improvement of irrigation efficiency by reduc-ing loss due to evaporation

(c) Discuss various water conservation techniques that can be practiced by indi-viduals. [6+4+6]

7. (a) Though population growth shows a global decline, there is still cause for worry.Explain why.

(b) What are the reasons for differences in the rate of population growth in variouscountries. [8+8]

8. (a) Describe how you would methodically record the elements and resources in anecosystem and assess its functioning.

(b) Based on your filed visits, summarize your observations and findings of thewater resource ecosystem in your region. [8+8]

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Engineering)


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1. (a) Explain the need for students from all courses to be aware of environmentalissues.

(b) Write briefly about the scope of environment studies. [6+10]

2. (a) What do you understand by non- renewable and renewable resources?

(b) Write about the functions of a forest ecosystem. [6+10]

3. (a) Explain the significance of presening balance in various kinds of ecosystems.Illustrate with examples.

(b) Describe the structure and functions of an ecosystem. [8+8]

4. What is ‘in situ’ and ‘ex-situ’ conservation of biodiversity ? Explain briefly abouteach. [6+10]

5. (a) Explain the major water pollutants and their effects.

(b) Explain the significance of dissolved oxygen in rivers. [10+6]

6. (a) Classify the rain water harvesting methods.

(b) Give a brief account of ancient water conservation and harvesting practices inIndia.

(c) List the advantages of rain water harvesting . [4+6+6]

7. (a) Write a detailed note on the causes of diarrhea and the effects of this on humanhealth.

(b) Explain the various measures by which this can be prevented and treated.[10+6]

8. Explain the causes and effects of air pollution by describing any urban or industrialarea that you have studied. [16]

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Engineering)


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1. (a) Write a note on the importance of education on environmental issues andconcerns.

(b) Describe the multidisciplinary nature of environmental studies. [8+8]

2. Explain briefly the following :

(a) Human development index(b) indicators of the quality of the ecosystems

(c) equitable use of resources for sustainable lifestyles. [5+5+6]

3. (a) Explain the significance of presening balance in various kinds of ecosystems.Illustrate with examples.

(b) Describe the structure and functions of an ecosystem. [8+8]

4. What do you understand by the term biodiversity? Write briefly about the differentkinds of diversity in organisms. [16]

5. (a) Oceans are ultimate sink for most of the waste we produce .Explain.

(b) List off shore sources of Marine Pollution.

(c) Explain the effects of oil pollution on the ocean . [8+4+4]

6. (a) Define watershed management and explain the objectives of watershed man-agement ?

(b) Suggest various methods for the improvement of irrigation efficiency by reduc-ing loss due to evaporation

(c) Discuss various water conservation techniques that can be practiced by indi-viduals. [6+4+6]

7. Write about some of the value systems that are endangered due to exploitation andpoor management of environmental resources . [16]


(b) Based on your filed visits, summarize your observations and findings of thewater resource ecosystem in your region. [8+8]

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Engineering)


⋆ ⋆ ⋆ ⋆ ⋆

1. (a) Write three reasons for studying the state of environment.

(b) Write definition of “environmental studies”.

(c) Discuss the recreational value of nature? [6+3+7]

2. (a) What do you understand by non- renewable and renewable resources?

(b) Write about the functions of a forest ecosystem. [6+10]

3. (a) Write a detailed note on the forest ecosystem, bringing out its functions.

(b) How do forests get degraded and what is the outcome of deforestation? [8+8]

4. Enumerate some of the common animal species found in India and write in detailon any five of them. [6+10]

5. (a) Differentiate between Composting and Vermicomposting

(b) List the common organic materials that are suitable and unsuitable fir com-posting .

(c) Discuss how the symbiotic relationship between algae and bacteria is useful inthe treatment of sewage in an Oxydation Pond. [6+6+4]

6. (a) Explain the concept of sustainable development.

(b) What are the major obstacles in the path of sustainable development in India?

(c) Explain the paradoxes in the definition of sustainable development. [6+5+5]

7. (a) Describe the problems created by the growing population of the earth.

(b) Explain briefly the pattern of global population growth in recent years whichis causing alarm to environmental experts. [8+8]


(b) Write about your observations and main conclusions about any ecosystemwhich you have studied (e.g: forest, sea shore, farmlands, hilly area etc.)

[8+8]

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r059210402 Environmental Studies