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Posted Date: 21 May 2017      Posted By:: mukilsukitha    Member Level: Silver  Points: 3 (Rs. 2)

2017 General B.Sc Microbiology BSC Degree examination , Marine microbiology, Manonmaniam sundaranar university. Question paper



Course: B.Sc Microbiology   University/board: Manonmaniam Sundaranar University

Are you a microbiology student, Are you searching for marine microbiology question paper. Here is the question paper i sent it for the students. This the original question paper from Manonmaniam sundaranar university.Use this question properly for preparation of your upcoming examination. If you want it please download from here.



code no: 30978 Sub .no: GMMI6A
BSc (CBCS) DEGREE EXAMINATION, APRIL 2017
SIX SEMESTER
MICROBIOLOGY - MAIN
MAJOR ELECTIVE - MARINE MICROBIOLOGY

PART A - ( 10 * 1 = 10 MARKS)
CHOOSE THE CORRECT ANSWER

1. Oceanic flora can extremely low concentration of ________________ nutrients.
(a) 10 micro gram/liter
(b) 20 micro gram/liter
(c) 30 micro gram/liter
(d) 40 micro gram/liter
2. The PH of the sea water is generally ______________ .
(a) 4 to 4.5
(b) 7 to 7.5
(c) 8.3 to 8.5
(d) 9 to 9.5
3. ________________ is the solution media for vibrio.
(a) EMS
(b) TCBS
(c) SS
(d) XLD
4. Hydrostatic pressure increase by approximately _________________ for every 10 m of depth.
(a) 1 atm
(b) 2 atm
(c) 3 atm
(d) 4 atm
5. Agar is decomposed by ___________________ .
(a) Agrobacterium
(b) Flavobacterium
(c) Vibrio
(d) All of these
6. VAM association increase ________________ uptake from the soil.
(a) Phosphate
(b) Nitrodgen
(c) Carbon
(d) sulphur
7. Fish contains _________________ .
(a) little carbohydrates, more proteins
(b) little proteins, more carbohydrates
(c) high fat
(d) none
8. Red tides are caused by ________________ .
(a) Dino flagellates
(b) Salmonella
(c) Shigella
(d) Vibrio
9. __________________ is caused by adhesion of bacteria to surface.
(a) Plewston
(b) Newston
(c) Biofilm
(d) None
10 ________________ are used anti forming paints
(a) Acrylamide
(b) Tannic acids
(c) Benzoic acid
(d) All of these.


PART B - ( 5 * 5 = 25 MARKS)
CHOOSING EITHER (a) or (b). Each answer should not exceed 250 words.

11. Write short note on methanogens.
(or)
Discuss about estuary.

12. Explain haplophilic microorganisms.
(or)
Write note on hydrothermal vents.

13. Narrate eutrophication process.
(or)
Give an account of nitrogen cycle.

14. Explain about fish spoilage.
(or)
Discuss human pathogens are transmitted through fish.

15. Differentiate primary metabolites and secondary metabolites.
(or)
What are the microorganisms importance in biotechnology field? Discuss.

PART C ( 8 * 5 = 40 MARKS )
CHOOSING EITHER (a) or (b). Each answer should not exceed 600 words.

16. Write an essay on coral reefs
(or)
Discuss about deep sea microorganisms.

17. What are the environmental factors which influence the growth of microorganisms?
(or)
How will you preserve marine microbes?

18. Discuss about carbon cycle.
(or)
Write note on sulphur cycle.

19. What is probiotics bacteria? Add notes on its importance in aquaculture.
(or)
Explain fish contamination.

20. What is biofouling? how will you prevent biofouling?
(or)
Write an essay on the biotechnological application of marine microorganisms.

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