Code No: 07A3EC11

R07

Set No. 2

1. (a) What are the ecological services rendered by biodiversity.

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II B.Tech I Semester Supplementary Examinations,June 2010 ENVIRONMENTAL STUDIES Common to CHEM, AE, E.COMP.E, ETM, ECE Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ?????

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(b) What are the objectives of off-site conservation methods of biodiversity explain brief. [8+8]

2. What do you understand by term Sustainable development Explain the features of sustainable development. [16]

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3. (a) Explain what are herbivores, carnivores and omnivores ? Illustrate with examples. (b) Give simplified food web in a terrestrial ecosystem.

[8+8]

4. (a) What is the difference between sanitary land filling and open dumping ? What are advantages sanitary land fill over open dumping.

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(b) What is incineration ? State its advantages and disadvantages.

[8+8]

5. (a) What are the ecological services rendered by forest ? Cite the examples for aesthetic, recreational, economic, historian, cultural and religious values of forest around your place. (b) Explain the various methods of prevention of soil erosion.

[8+8]

6. (a) Explain the significance of each a biotic factor of the environment in regulation of environmental conditions.

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(b) What is environmental science ? Discuss its inter connections and limitations. [8+8]

7. How would conduct a survey on solid waste pollution in a town.

[16]

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8. Explain with examples the links between the activities of man which are hazardous to human health and environment. [16]

?????

1

Code No: 07A3EC11

R07

Set No. 4

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II B.Tech I Semester Supplementary Examinations,June 2010 ENVIRONMENTAL STUDIES Common to CHEM, AE, E.COMP.E, ETM, ECE Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. What are the major factors that are responsible for the loss of plants and genetic biodiversity . What steps are needed to prevent them. [16]

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2. What are the different activities that can be taken up to increase public awareness of environment issues? Explain how they help in better environmental management. [16]

3. (a) What is deforestation? Explain the causes of deforestation.

or

(b) What do you mean by renewable and non renewable sources of energy? Write examples citing their uses. [8+8] 4. (a) What is disaster? Explain the practical significance of disaster management. (b) Discuss indoor air pollutants with their harmful effects.

[8+8]

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5. (a) Discuss about Human rights in relation to environment.

(b) Family welfare and child care have important roles to play in environmental conservation discuss. [8+8] 6. (a) Explain the role of autotrophs and heterotrophs play in the ecosystem. (b) Distinguish between food chain and food web. 7. Explain detailed case study of a waste land reclamation.

[8+8] [16]

?????

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8. Why are hill slopes very fragile? Prepare comprehensive report on your field work observations on hill ecosystem. [16]

2

Code No: 07A3EC11

R07

Set No. 1

in

II B.Tech I Semester Supplementary Examinations,June 2010 ENVIRONMENTAL STUDIES Common to CHEM, AE, E.COMP.E, ETM, ECE Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. Distinguish between the following terms.

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(a) Social resources and human resource.

(b) Natural resources and environmental resource. (c) Abiotic and biotic resources. (d) Tangible and intangible resources.

[4+4+4+4]

2. (a) Explain the energy flow pattern in an ecosystem.

(a) House.

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(b) Industry.

or

3.

(b) Explain the role of producers, consumers and decomposers in an ecosystem with practical examples. [8+8] Discuss how do you conserve water in the following establishments.

(c) Agriculture fields.

[16]

4. (a) What is environmental pollution? How pollution affects human beings. (b) What is the difference between pollution and contamination. Discuss various sources of water pollutions. [8+8]

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5. What are air pollutants in your town/city? Conduct air pollution survey. Prepare a detail report on present and future concentrations of dust and SPM and suitable remedial measures for them. [16]

6. (a) Explain the typical feature of western ghats biodiversity.

(b) Explain the advantages and disadvantages of ex-situ conservation.

[8+8]

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7. (a) “Environmental is the physical and biotic habitat which surrounds” Explain. (b) Examine the relationship between environment and ecosystem.

[8+8]

8. (a) Write a brief account on family welfare programmes training and development. (b) “Population explosion threatens the global environmental balance”. Justify the statement. [8+8] ?????

3

Code No: 07A3EC11

R07

Set No. 3

in

II B.Tech I Semester Supplementary Examinations,June 2010 ENVIRONMENTAL STUDIES Common to CHEM, AE, E.COMP.E, ETM, ECE Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. What is meant by the term environment? How are human beings affected by it? Explain with reference to health aspects. [16]

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2. (a) What is water conservation ? How can we conserve water in domestic and agricultural areas. (b) Explain different strategies to support water conservation.

[8+8]

3. (a) What is difference between under nourishment and malnourishment ? State the diseases caused by them.

or

(b) Discuss the causes and impacts of land degradation.

[8+8]

4. (a) What are different approaches to prevent / cure HIV infection ? Explain in brief.

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(b) Compare the family planning programmes of India, China and Thailand. [8+8] 5. What are environmental hot spots of your city. Explain the possible factors observed by you for degradation of quality of hot spots. Suggest suitable engineering measure to restore their quality. [16] 6. (a) Explain the endangered species and endangered species act. (b) Explain how the study of biodiversity is beneficial to human life.

[8+8]

nt

7. (a) What are the effects of noise at the physical, physiological and psychological levels?

(b) What do you mean by acceptable noise level ? What are the acceptable noise level for. Talking. T V Studio Factories Motor cycle Hospital Ware plane.

Aj

i. ii. iii. iv. v. vi.

[8+8]

8. (a) Why are more mices than lions in a terrestrial ecosystem ? (b) What would happen to an ecosystem if all its decomposers and detritus feeders were eliminate ? (c)What are abiotic factors in terrestrial ecosystem and aquatic ecosystem?[6+6+4] ?????

4

R07 Set No. 2 Accounts

[8+8] · 7. How would conduct a survey on solid waste pollution in a town. .... (b) Compare the family planning programmes of India, China and Thailand. [8+8].
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