B.Sc. (Biotechnology) Sem V 2022 2023 Nov 2023 MARINE BIOTECHNOLOGY Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q2 All questions carry equal marks
2. Q4 Use of log tables and non-programmable allowed
3. Q1 a. Select the correct alternative (Any six) 6 marks
4. Q1 is one of the most deadly viral diseases in salmon. What does IPN stand
5. Q2 Organisms that flow at the mercy of the sea current is called Ring shaped coral reef is called
6. Q4 is a method of active camouflage seen in marine animals such as firefly squid and midshipman fish, military prototypes, producing light to match their backgrounds in both brightness and wavelength The zone is characterized by a relative lack of life is
   • a. Abyssalpelagic b.Bathypelagic
7. Q6 Which of the following molecular tool is used in order to study the carbon
8. Q7 acid can be used as an agent
9. Q8 is a secondary metabolites produced by macro algae to
   • a. d.Terpene
10. Q9 The main polysaccharide present in red algae is
11. Q1 b. Answer the following questions: (Any Two) 14 marks
12. Q1 Explain challenges encountered.while culturing marine bacteria and the novel culturing techniques used to overcome them
13. Q2 Describe methods used microbial bioprospecting in marine environments
14. Q3 Give account of any three marine ecosystem and its functioning Select the correct alternative (Any six) 06
15. Q1 mode of action of Aplidine is
    • a. Interrupt cell cycle at G2/M phases as a way to induce p53 —
    • b. Binds covalently to DNA minor groove
    • d. Binds to the vinca domain of tubulin and inhibits its polymerization Squalamine was found to inhibit and stop tumor growth
    • c. Lysosomal vacuolization d. Depolymerization of tubulin
16. Q3 marine enzyme derived. from Methanococcus
17. Q4 The marine derived drug used for eye drop formulation is Cellulases are not used in
    • a. Hydrolysis of lignocellulose b. Biofuel generation
18. Q6 drug is secreted by Elysia rufescens
19. Q7 The marine used drug of choice for children
20. Q8 Eribulin mesylate is the commercial name for the active marine derived drug
21. Q9 After the controlled fermentation of the marine which leads to ET-743 from cyanosafracin B
22. Q2 b. Answer the following questions: (Any Two) 14 marks
23. Q1 Explain in detail - Marine natural products in advanced clinical trials
24. Q2 Elaborate on - Omega - conotoxin MVIIA - an analgesic for neuropathic pain 3, Discuss cytarabine to treat meningeal leukemia and vidarabine as an
25. Q3 a. Select the correct alternative (Any six) 6 marks
26. Q1 is a sulfated polysaccharide which has anti-cancer activity A live microorganism which is beneficial for gut microflora and restricting the growth of disease-causing bacteria is referred to as a
27. Q3 is considered as the highest astaxanthin producing microalgae
28. Q4 The term nutraceutical was coined by
    • b. c. antioxidant d. antimicrobial
    • a. to 200 d. 50 to 100
29. Q7 The pigment phycocyanin obtained from is in
30. Q8 are rich sources of EPA and DHA
31. Q9 is the most common representative marine sulphated
    • a. histamine Discuss the following: (Any Two) 14
32. Q1 Role of fish and crustaceans as a potential functional food
33. Q2 Biological role of proteins, peptides and amino acids derived from marine sources as functional food ingredients
34. Q3 Nutraceutical Potentials and Applications of COS and COS Derivatives Select the correct alternative (Any six) 06
35. Q1 are cosmetic products that have drug-like benefits that enhance or protect the appearance of the human body
    • a. Cosmeceuticals b. Pharmaceuticals
36. Q2 prevent oxidation of fats and oils and the active principles present in the cosmetic formulations
37. Q3 Linckoside with potential to act as a drug against neurodegenerative diseases is isolated from
38. Q4 is the most valuable of the phycobiliproteins due to its intense and unique pink color, heat stability, and pH tolerant characteristics
    • a. phycocyanin b.astaxanthin
    • c. phycoerythrin d.allophycocyanin
39. Q5 diseases are caused by chemical or immunological activation of
40. Q6 According to the definition of cosmetics, which of the following is not a
    • a. Deodorant tea
41. Q7 is responsible for the prevention of the loss of water and electrolytes from the skin surface
42. Q8 is a mixture of phospholipids acting as natural emulsifiers with
43. Q9 The unique structure of has shown.a protective effect against B amyloid peptides and is found in plaques in Alzheimer’s disease
44. Q4 b. account of the following questions: (Any Two) 14 marks
45. Q1 General composition of a cosmetic product
46. Q2 Skin-whitening activity and Anti-pruritic activity of marine components in
47. Q3 Technological properties of ingredients from marine sources with cosmetic
48. Q5 Short notes on the following (Any four) 20 marks
    • a. Hydrothermal vents
    • b. Salient features of Coral reefs Cc. Halotolerance and organic solvent stability
    • d. Role of collagen and gelatin obtained from marine source in nutraceuticals
    • e. Functional foods incorporating marine derived fish oils and fatty acids
    • f. Treatments Based on Marine Resources

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