UPTU Past Question Papers B Tech 8th Semester Environmental Biotechnology-2 2006-07

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.

OR

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?

OR

2    Describe the physicochemical control parameters of biosensors for waste stabilization.

 

3    Describe the methodology of Bioremediation with flow charts and suitable examples.

OR

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.

OR

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.

OR

5    Describe the role of micro-organisms in metal recovery process.

 

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