ANNA UNIVERSITY COIMBATORE B.E./B.Tech. DEGREE EXAMINATION:DECEMBER 2009 REGULATION-2008 THIRD SEMESTER 080300008-ENVIRONMENTAL SCIENCE AND ENGINNERING (COMMON TO EEE/EIE/ICE/BT/FT/TC/TT/CHEMICAL ENGG.) Time : 3 hours Maximum : 100 marks
Answer ALL questions.
PART A — (20 * 2 = 40 marks)
1.List out the effect of over utilisation of water.
2.What are critical and strategic minerals? 3.Define renewable and non renewable energy resources 4.write the demerits of solar energy 5.What do you meant bt Ecological succession 6.Define food chain and food web 7.List out the consumptive values of bio diversity 8.What are endangered species? Give one example 9.Define noise pollution 10.Give any four majar soil pollutants 11.List out the methods which used for control thermal pollution 12.write any four control measures of nuclear hazad 13.List out the major objectives of rain water harvesting 14.What are the important causes of climate change? 15.Give some suggestions for waste land reclamation 16.State the important features of forest conservation Act 17.Define immigration and emigration 18.What is population density 19.What are the causes of population explosion 20.mention somr ill effect of HIV/AIDSS PART B — (5 * 12 = 60 marks)
21.i Explain the causes,consequences and control measures of deforestation(6) ii Write short notes on wind energy(6) 22.i Discuss the environment impacts of modern agriculture(6) ii List out the various threats to biodiversity(6) 23.i Briefly discuss about the endemic species (6) ii write short notes on various in-situ conservation methods(6) 24.i Explain the sources,causes and control meaures of water pollution(6) ii Discuss the various step involved in solid waste management(6) 26.i Write short notes on ozone layer depletion(6) ii Briefly explain about wild life preservation act(6) 27.i Explain the sources,causes and control meaures of acid rain(6) ii Discuss the causes and consequences of urbanisation.(6) 28.i Explain the role of information technology in enviroment and health.(6) ii Briefly explain about family planning programme(6)