BSc Biochemistry Sem III 2018 2019 2019 SYBIO CHEM Biochemistry III Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 All questions are compulsory. Choice is internal Figures to the right indicate full marks Draw structures and diagrams wherever necessary
2. Q1 A) State true or false: 4 marks
   • i) All viruses contain DNA Presence of Mycobacterium indicates faecal contamination
   • iii) Large number of actinomycetes are present in dry warm soil
3. Q1 B) Write short notes on: (Any three) 9 marks
   • ii) Classification of viruses based on hosts
   • iii) Diagrammatic representation of lysogenic cycle
   • iv) Yeast and its uses
4. Q1 C) Answer the following:(Any two) 12 marks
5. Q1 Write detailed account of airborne pathogens
   • ii) Discuss water and food borne diseases and their control Write a note on Shigella and Morbillivirus
   • iv) Beneficial microorganisms of human gut
6. Q2 A) State True or False: 4 marks
   • i) Cell culture of blood cells is anchorage independent Septic conditions are necessary to eliminate contaminations
   • iii) Culture systems are dependent on environmental factors
   • iv) Secondary metabolites participate in metabolism of plants
7. Q2 B) Answer the following: (Any three) 9 marks
   • i) What is the composition of nutrient agar? Mention use of each component
   • ii) What are vaccines? Discuss in detail different types of vaccines used these days In brief, explain callus regeneration and factors affecting it
   • iv) Schematically represent the technique of micropropagation
   • v) Briefly explain the concept of totipotency
   • vi) What is HGPRT? Briefly explain its significance in animal tissue culture
8. Q2 C) Answer the following: (Any two) 12 marks
9. Q1 Which technique is used to produce 'pomato', a hybrid of tomato and potato? Explain the
   • ii) Elaborate on the various components of growth media used in cell culture
   • iii) Discuss the different types of stem cells. Add a note on application of stem cell culture
   • iv) Discuss technique and applications of animal tissue culture
10. Q3 A) State true or false: 4 marks
11. Q1 Continuous fermentation is monitored by use of turbidometric principle
    • ii) DEAE sephadex is used as inert support for adsorption ili) A biosensor has four distinct components
    • iv) Symba process was developed in USA for single cell protein production
12. Q3 B) Write short notes on: (Any three) 9 marks
13. Q11 Optical biosensor
    • ii) Stabilization of enzymes by solvent and substrate
    • v) Applications of biosensors in pollution control
    • vi) Role of baffle, sparger and impellor in a fermenter
14. Q3 C) Answer the following: (Any two) 12 marks
15. Q1 With the help of a suitable diagram discuss a typical fermenter with its features Describe the single cell protein production from high energy sources and wastes. Add a note on its applications Describe covalent binding and entrapment as immobilization techniques
    • iv) With the help of a flowsheet give detailed account of penicillin production
16. Q4 (a) Define and explain: (Any five) 10 marks
    • (b) Write elaborate notes on: (Any three) 15
17. Q1 Secondary metabolites
    • iv) Immunobiosensors Typical virus with labelled diagram

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