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Posted By: Sri Member Level: Gold Posted Date: 15 Dec 2007
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2006 Jawaharlal Nehru Technological University B.Tech III/Sem1 Regular Nov'06 Set 2,Environmental Biotechnology Question paper
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Code No: RR312305 Set No. 2
III B.Tech I Semester Regular Examinations, November 2006
ENVIRONMENTAL BIOTECHNOLOGY
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. Write short notes on (any two): [8+8]
(a) Operational problems in trickling filters and their remedies.
(b) Biochemical oxygen demand.
(c) Acidity and Alkalinity.
2. Write short notes on (any two): [8+8]
(a) Primary treatment of wastewater.
(b) Secondary treatment of wastewater.
(c) Tertiary treatment of wastewater.
3. “Bioremediation is emerging as the most ideal alternative technology for removing environmental pollution”. Justify the statement. [16]
4. Write short notes on: [8+8]
(a) Soil piles.
(b) Prepared beds.
5. What are the advantages and disadvantages of using microbes in metal recovery?[16]
6. Write short notes on any two: [8+8]
(a) Natural gas.
(b) Solar energy.
(c) Biogas .
7. Write a detailed account on biodegradation of Xenobiotics? [16]
8. What is the importance of pseudomonas putida in hazardous waste control? [16]
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