BSc Sem III 2023 2024 2024 BIOCHEM III Question Paper - Mumbai University | munotes

Questions asked in this paper

• 2. Figures to the right indicate full marks

1. Q1 State True or False: 4 marks
   • (i) Genetic material of all viruses is DNA
   • (ii) Rhizobium and Azotobacter are nitrogen fixing bacteria (ili) Yeasts are classified as members of the fungus kingdom
   • (iv) Lactobacillus are considered as friendly bacteria
2. Q1 B) Write short notes on: (Any three) 9 marks
   • (i) Foodborne botulism
   • (v) Animal as viral host
3. Q1 C) Answer of the following: (Any two) 12 marks
   • (i) Write a brief note on any three airborne microorganisms
   • (ii) Explain any three water borne microorganisms in detail Write in brief about soil borne microorganism
   • (iv) Explain about the causative agent of wound and food botulism in detail
4. Q2 A) State True or False: 4 marks
   • (i) Haploid plants can be obtained from anther culture
   • (ii) In the tissue culture system, shoot elongation is the main effect of cytokines
   • (iii) Cotton is the first transgenic crop
   • (iv) Growth of plant tissues in artificial media is called gene expression
5. Q2 B) Answer the following: (Any three) 9 marks
   • (i) What is plant tissue culture and its types?
   • (ii) Difference between Animal cell culture and Plant tissue culture Application of animal cell culture technology in production of vaccines
   • (iv) What is the concept of totipotency?
   • (v) What are the culture techniques used for primary culture?
   • (vi) What are monoclonal antibodies?
6. Q2 C) Answer the following: (Any two) 12 marks
   • (i) Explain how an animal cell varies from a plant cell
   • (ii) What is Single cell protein?
   • (iii) Applications of hybridoma technology and monoclonal antibodies
   • (iv) Explain animal cell structure VCD/ S.Y.B.Sc BIOCHEMISTRY Il 3 100 marks
7. Q3 A) State True or False: 4 marks
   • (i) Industrial biotechnology is also known as Green technology
   • (ii) Enzymes are inactivated by heat generated in the system
   • (iii)Large scale industrial fermenters are always constructed of Stainless steel
   • (iv)Enzymes play a major part in the food and drink industry
8. Q3 B) Write short notes on: (Any three) 9 marks
   • (i) Steps involved in wine production
   • (ii) Explain the process of Antibiotic production
   • (iii) Components of fermenters
   • (iv) Write a note on continuous stirred tank bioreactor
   • (v) Write a note on Biosensor a note on micro-encapsulation
9. Q3 C) Answer the following: (Any two) 12 marks
   • (i) What is a fermentor and the process of fermentation?
   • (ii) Explain the process of wine production
   • (iii) Explain stabilisation of soluble enzymes
   • (iv) Write a brief on Air lift Bioreactor
10. Q4 A) Define and explain: (Any five) 10 marks
    • (vi)Protoplast
11. Q4 B) Write Short notes on: (Any three) 15 marks
    • (i) Lytic and lysogenic cycle of virus in detail
    • (ii) General structure and genome of virus
    • (iii) Advantages of tissue culture
    • (v) Advantages of fermentation
    • (vi)Applications of Biosensors in the Food Industry

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