BSc Biotechnology Sem VI 2019 20 Nov 2019-20 ATKT BIOTECH ENVIRONMENTAL BIOTECHNOLOGY Question Paper - Mumbai University | munotes

Questions asked in this paper

• 1. Attempt all questions

1. Q2 All questions carry equal marks
2. Q4 Use of log tables and non-programmable calculator is allowed
3. Q1 a. Doas directed. (Any Six) 6 marks
4. Q1 What are photovoltaic cells?
5. Q2 any one advantage of renewable energy
6. Q3 in the blank: is the final stage of anaerobic digestion in biogas production
7. Q4 any one example acidogenic bacteria used in production of biogas
8. Q5 | Name any one component of biogas
9. Q6 Define biomass
10. Q7 in the blank: is the heating of biomass in the absence of air at temperatures
11. Q8 Write any two advantages of biodiesel over diesel
12. Q9 True or false Co-firing is the firing of a renewable fuel such as biomass with coal, natural gas and oil mainly for the generation of electricity
13. Q1 b. Answer the following questions (Any Two) 14 marks
14. Q1 Describe factors affecting biogas production
15. Q2 Explain different stages in production of ethanol
16. Q3 Elaborate on Hydrogen as.a renewable fuel
17. Q2 a. Doas Instructed. (Any Six) 6 marks
18. Q1 Fill in the blank: Compounds that are highly resistant to biodegradation are known as
19. Q2 State one example of immobilized enzyme for treatment of waste water State one disadvantage of biosensor Give one example of hazardous waste
20. Q6 — State one advantage of fluidized bed reactor State one disadvantage of contact digester
21. Q8 Give one disadvantage of activated sludge process
22. Q9 State one disadvantage of Rotating biological contractor
23. Q2 b. Answer the following questions (Any Two) 14 marks
24. Q1 Discuss the concept of innovative reactor with suitable examples
25. Q2 Discuss the construction and working of Rotating biological contractor Add a note on its advantages
26. Q3 Describe the method of processing and disposal of medical wastes
27. Q3 a. Attempt the following objectives as directed: (Any Six) 6 marks
28. Q1 Mention any one objective of waste water treatment
29. Q2 Name the industrial effluent consisting of inhibitory chemical content
30. Q3 What is incidental removal?
31. Q4 Mention any one difference between extracellular intracellular enzymes involved in biotreatment Fill in the blank: An example of an interaction existing between organisms present in mixed
32. Q6 Fill in the blank: The plasmid CAM is involved in the degradation of the substrate
33. Q8 Name a bacteria used in biosorption
34. Q9 What is dual metal situation?
35. Q3 b. Elaborate on the following: (Any Two) 14 marks
36. Q1 Categories of important microbes involved in biotreatment
37. Q2 Use of fungi in biosorption
38. Q3 The types of reactors used in biosorption and the advantages of biosorptive Answer the following objectives as instructed: (Any Six) 06
39. Q1 Fill in the blank: is formed under the earth’s surface by the decomposition of organic matter over millions of years Fill in the blank: A resistant strain of S.marcesens was isolated from tannery
40. Q3 Define distiller’s grains
41. Q4 Define mordant dyes
42. Q5 Define scrubbers
43. Q6 an enzyme used for lignin degradation in paper industry
44. Q7 Name any one non-fuel products obtained from petroleum industry
45. Q8 What is chamoising?
46. Q9 What is steam stripping?
47. Q4 b. Give an account of the following questions: (Any Two) 14 marks
48. Q1 Characteristics and Environmental impact of tannery effluents
49. Q2 Secondary treatment of distillery effluent
50. Q3 Waste treatment of pharmaceutical industry
51. Q5 Write Short notes on the following (Any Four) 20 marks
    • c. Sources of heavy metal pollution
    • d. Composting
    • e. Advantages of biosensors
    • f. Physical and chemical treatment of dye industry effluent

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