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)