FACULTY OF ENGINEERING B.E. 2/4 (CE/ECE/M/P/AE/CSE) II-Semester (Old) Examination, December 2012 Subject : Environmental Studies Time : 3 Hours
Max. Marks: 75
Note: Answer all questions of Part - A and answer any five questions from Part-B. PART – A (25 Marks) 1. Distinguish Lithosphere and Hydrosphere. 2. Define ecological succession and distinguish between autogenic and also allogenic succession. 3. What are the causes and ill effects of soil erosion? 4. List the biogeographical zones of India. 5. What are the harmful effects due to the presence of green house gases in the atmosphere? 6. State the significance of watershed management. 7. List out a few endangered species of India. 8. Discuss the effects of modern agriculture. 9. State the basic principles of disaster management. 10. Write the effect of climate change on environmental sustainability.
(2) (3) (2) (3) (3) (3) (2) (2) (3) (2)
PART – B (5x10=50 Marks) 11.(a) What is deforestation? Explain the causes of deforestation. Discuss the adverse effects of deforestation. (b) Differentiate between renewable and non-renewable energy resources. Discuss the environmental issues related with tapping of hydro electrical energy.
(4) (6)
12.(a) Explain the concept of food chain and food web with neat sketches. (b) Define nuclear holocaust. What are the possible environmental impacts of nuclear based power project?
(5)
13.(a) Explain the energy flow in an ecosystem by a neat sketch. (b) What are the main objectives of conservation of biodiversity? Discuss the strategies for conservation of biodiversity.
(4)
(5)
(6)
14.(a) Describe the structure and functions of a forest ecosystem. (4) (b) Define solid waste management. Write the classification of solid wastes and their methods of disposal. (6) 15.(a) What are the equipment used for controlling pollution in water and air? (b) Write a short note on thermal pollution and their mitigating measures.
(5) (5)
16.(a) Explain the in-situ and ex-situ measures of bio-diversity conservation. State their suitability. (5) (b) Write how social values and environmental ethics are useful to improve the existing deteriorating condition of environmental resources. Give examples. (5) 17.(a) Discuss the salient features of “Hotspots” of biodiversity. List out the locations in India. (b) Write various types of disasters. Explain the impact of disaster on environment and infrastructures.
Find the MGF of Chi-square variate. (2). 8. Obtain the mean of Gamma variate. (3). 9. Define correlation, negative correlation between two variables. (2). 10.
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Page 1 of 1. Code No. 2023. FACULTY OF ENGINEERING & INFORMATICS. B.E. 2/4 (EE/Inst./MP/IT) I â Semester (Suppl) Examination, May 2013. Subject : Environmental Studies. Time : 3 hours Max. Marks : 75. Note: Answer all questions from Part-A. Answer
