Environmental Studies - May 2012

Information Technology (Semester 5)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks.

Answer any five from the following:-

1(a) What are adverse effects of ozone layer depletion?(2 marks) 1(b) Explain the term: Hotspots of biodiversity.(2 marks) 1(c ) What do you mean by Sustainable development?(2 marks) 1(d) What is Ecological pyramids?(2 marks) 1(e) What are the effects of degradation of an ecosystem?(2 marks) 1(f) State briefly reasons of water pollution.(2 marks) 1(g) Explain the terms - Food chain and Food web.(2 marks) 2(a) Discuss salient features of the Air-pollution Prevention and Control Act. (5 marks) 2(b) What are the sources, effects and control measures of noise pollution?(5 marks) 3(a) What is grassland ecosystem? What are the threats to grassland ecosystem?(5 marks) 3(b) What are the causes and problems of Urbanization? What are its effects on environment?(5 marks) 4(a) What role an individual can play in conservation of natural resources?(5 marks) 4(b) Why there is need for water conservation? How rain water harvesting is carried out?(5 marks) 5(a) What is disaster management? What measures can be taken in mitigation of earth quakes?(5 marks) 5(b) Explain the term Biodiversity. What are the important values of biodiversity?(5 marks) 6(a) How important is the Information Technology to the field of human health and environment?(5 marks) 6(b) What is value education? Explain the importance of value education to the field of environment?(5 marks) 7(a) What are the causes, effects and methods to manage solid waste? (5 marks) 7(b) What is wasteland? How wasteland reclamation is carried out?(5 marks)