BSc Biotechnology Sem V 2023 2024 Nov 2024 BIOTECH MARINE 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 calculators is allowed
3. Q1 a. Select the correct alternative: (Any Six) 6 marks
4. Q1 that occur between the edge of the continental shelf and the land—
   • a. Neritic b. Abyssopelagic
   • c. Bathyal d. Hadal
5. Q2 Organisms that flow at the mercy of the sea current are called
   • a. Nekton b. Plankton
   • c. Zooplankton d. Benthos Organisms that are able to swim and move independently of currents are called
   • a. Benthos b. Zooplankton
   • c. Plankton d. Nekton
6. Q4 Which of the following is NOT an adaptation undertaken by rocky intertidal
   • a. Strong means of attachment
   • b. Mechanism to survive desiccation
   • c. Mechanisms of sealing themselves off during low tide
7. Q5 is a semi-enclosed coastal body of water that has a free connection with the open sea and within which seawater is measurably diluted with freshwater derived from land drainage
8. Q6 Which of the following molecular tools is used to study the carbon cycle? Domoic acid can be used as
   • c. Antiviral d. Antiparasite
9. Q8 of the limitations encountered with the culturing of marine bacteria is the loss of interaction between microbial cells. What is the solution for this limitation?
   • a. Dilution
   • b. High-throughput cultivation and screening
   • c. Use of high-nutrient filtered seawater
   • d. Diffusion device
10. Q9 Carrageenan can be used as
    • c. Anticoagulant d. Antiviral
11. Q1 b. Answer the following questions: (Any Two) 14 marks
12. Q1 What are the defining features of the rocky intertidal zone, and how do organisms living there adapt to their environment?
13. Q2 Discuss toxins obtained from marine organisms
14. Q3 Provide an account of the functioning of three different marine ecosystems Select the correct alternative: (Any Six) 06
15. Q1 The molecular structure of Kahalalide F is
    • c) Polyacetate d) adenine
16. Q2 The relationship between and health has led to the concept of functional
17. Q3 The specific feature of enzyme lipase B derived from Candida antarctica is
    • a) Enzyme is a barophilic enzyme
    • b) Enzyme is halotolerant enzyme
    • c) Enzyme is a thermophilic enzyme
    • d) Enzyme is an enantioselective enzyme
18. Q4 The new paradigm in drug discovery is dominated by approaches which are expected to lead to multiple new target
19. Q5 drug is synthesized by Bugula neritina
20. Q6 is a neurotoxin derived from puffer fish
21. Q8 The drug is used for the treatment of refractory multiple myeloma and
    • a) Protease b) Lipase
    • c) Amylase d) Cellulase
22. Q2 b. Give an account on the following questions: (Any Two) 14 marks
23. Q1 Discuss the thermostability and cold adaptivity of marine extremozymes
24. Q2 Elaborate Marine natural products at the crossroads between functional foods
25. Q3 With a suitable example, explain the current use and status of marine microbial
26. Q3 a. Select the correct alternative: (Any Six) 6 marks
27. Q1 is an example of cyanobacterium
28. Q2 are the rich sources of EPA and DHA
29. Q3 is an example of carotenoid pigment derived from salmon fish
    • a. Phycobilins b.Chlorophylls
30. Q4 is used as a stabilizer and thickener in gels and foods
31. Q5 has the ability to protect eye related complications such as cataract
32. Q6 could be the functional food ingredients
    • a. Water d. Salt
33. Q7 the most common and representative marine sulphated
    • c.Fucoidan d.Pentosan Polysaccharides produced by have the viscosity properties similar to
34. Q9 are sold as powders or pills or other medicinal forms not associated
    • a. Functional Vegetables Discuss the following: (Any Two) 14
35. Q1 Functional foods incorporating marine-derived seaweeds and polysaccharides
36. Q2 Biological activities of fatty acids and phenolic compounds as an ingredient in
37. Q3 Seaweeds and microalgae as potential marine sources for functional food
38. Q4 a. Doas Directed: (Any Six) 6 marks
39. Q1 are Cosmeceuticals?
40. Q2 is a multifunctional bioactive compound that is obtained from the
41. Q3 an example of a marine organism used as a source of proliferative drug for
42. Q4 one example of a marine organism used as a source of Chitin
43. Q5 Give one example of a lipid from a marine bioresource
44. Q6 the application of marine proteins
45. Q7 any one Emulsifier obtained from marine resources
46. Q8 Name any one skin-firming agent obtained from marine resources
47. Q9 True or False: Eckol and Dieckol are phlorotannins
48. Q4 b. account of the following questions: (Any Two) 14 marks
49. Q1 General composition of cosmetics
50. Q2 Therapies based on Marine resources
51. Q3 Anti-allergic, anti-microbial, and anti-wrinkling activities of marine components
52. Q5 Short notes on the following: (Any Four) 20 marks
    • a. Coral reefs
    • b. Bioprospecting in marine environments Approved marine drugs as pharmaceuticals
    • d. Fermentation and related research
    • e. Nutraceutical potential of carotenoids
    • f. Depigmenting activity of marine derived components of cosmetics

Read from the scan above, so a character or two may differ. The scan is the original.