Environmental Science And Engineering

Environmental Science and Engineering Part-A 1.What is a Food Chain? 2.Define Environmental impact Statement? 3.Explain Ecosystem? 4.What is Soil Fertility? 5.Explain Ecological Succession? 6.What is Sustainable forest Management? 7.Explain EI Nino? 8.List Green House gases? 9.Define Population Equation? 10.What is total fertility rate? Part-B 11. (a) i) Write a note on energy conservation? ii) Compare nuclear power with coal power? iii)What is solar space heating? Explain. (or) (b) i) What are the ecological, social Problems involved in hydroelectric dams? ii)Discuss briefly biomass energy? 12.(a) Discuss the biogeochemical cycles in brief? (or) (b) i) What is the biodiversity? What are the reasons for decline for biodiversity? ii) write short notes on 1)Producers 2)Consumers 3)Decomposers

13. (a) Discuss the various methods of removal of particulate matter from gases? (or) (b) Discuss the primary and secondary treatment of waste water? 14. (a) i) Explain the impact of aerosols and greenhouse gases on the climate changes? ii) What are the impacts of increased exposure to UV? iii) What are the consequences of overdrawing surface water and ground water? (or) (b) i) Briefly write about any two nuclear accidents? ii) Write a short note on water shed management through public participation? iii) Briefly write about the concept of sustainable development? 15. (a) i) Write briefly on 1)population momentum 2)population profile 3)Age structure (or) (b) i) How family planning programmes can be successfully implemented? ii) Discuss on the steps taken in India to prevent AIDS? iii) Discuss the Factors Influencing the Family Size?

Part-A 1.What is meant by Biosphere? 2.Distinguish between primary and secondary consumer? 3.What is meant by anthropogenic sources of pollution? 4.What is meant by desertification? 5.Distinguish between stable and unstable atmosphere? 6.What is meant by eutrophiction? 7.What is meant by e-Waste? 8.Distinguish between point and non-point sources of water pollution? 9.Why world environment day is observed on 5th June every year? 10.Distinguish between environmental audit and environmental impact?

Part-B 11. (a) (i). What is meant by deforestation? what are the impacts of deforestation on the environment? (ii). Discuss the impacts of Green Revolution on Ecosystem? (or) (b).(i) What is meant by soil erosion? What are the causes? Suggest in-situ remedies? (ii).Explain the food chain and Food web?

12.(a) (i) Distinguish between primary and secondary air pollutants? Give examples? ii)What are the causative factors for global warming and ozone layer depletion? suggest remedial measures? (or) (b) (i).Almost all the rivers in India have become sewage carriers-Explain the reasons for the aforesaid statement? (ii). Interlinking of rivers is the solution for droughts as well as flood situation in India-Critically comment. 13.(a) With neat block diagrams explain the various unit operations and processes in a municipal sewage treatment plant? (or) (b) i).What is meant by solid water? How is it classified? Explain its disposal by incineration? ii) What is meant by leachate? Discuss its impacts on ground water pollution. How can we prevent ground water pollution by leachate? 14. (a). The invention of plastic a boon or a bane-critically review the statement in the present day context? (or) (b). i)Explain the polluter pay principle in environmental sustainability? ii) Explain Good environmental management system will boost up the profit of the industry-Review? 15.(a) Discuss the international efforts on protection of ozone layer? (or) b) i) Write a note on Pollution Control Boards? ii) Discuss the key features of environmental Protection Act?