UPTU Past Question Papers B Tech 8th Semester
Environmental Biotechnology-2 2006-07
Note : (1) Attempt all questions.
(2) All questions carry equal marks.
1 Define waste and pollutant. Briefly describe the various sources of wastes and discuss the hazards from them.
1 Describe the role of Carbon & nitrogen cycle in waste decomposition.
2 What do you understand by Biosensors? How are they used for wastewater monitoring?
2 Describe the physicochemical control parameters of biosensors for waste stabilization.
3 Describe the methodology of Bioremediation with flow charts and suitable examples.
3 Describe, how microbial populations can be promoted to degrade xenobiotic compounds.
4 Briefly describe the mechanism of degradation of various types of hydrocarbons, including halogenated hydrocarbons.
4 Briefly describe the anaerobic treatment of wastewater and of sewage sludge.
5 What is Biogas? Briefly describe the various substrates and the different digesters used for biogas production.
5 Describe the role of micro-organisms in metal recovery process.