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2016 Manonmaniam Sundaranar University General B.Sc Microbiology BSc (CBCS) degree examinationApril 2016 / Aquatic microbiology /Manonmaniam Sudaranar University Question paper



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

Are you a microbiology student? Are you searching for aquatic microbiology previous year question. This is original question from manonmaniam Sundaranar University. if you want this question for preparation please download from here. Use this question properly for preparation and score well.



CODE: 30967 SUB CODE: GMMI4B
BSC (CBCS) DEGREE EXAMINATION, APRIL 2016
FOURTH SEMESTER
MICROBIOLOGY – MAIN
AQUATIC MICROBIOLOGY
CHOOSE THE CORRECT ANSWER:
1. Bottom most layer of aquatic system is
(a) Littoral zone
(b) Benthoic zone
(c) Profoundal zone
(d) Limnetic zone
2. Marine habitats
(a) Estuaries
(b) Coral reefs
(c) Hydrothermal vents
(d) All the above
3. Water quality is assessed by
(a) MPN technique
(b) Plate count
(c) Both (a) and (b)
(d) None of these
4. Springs in deep sea are
(a) Alt panes
(b) Coral reefs
(c) Hydrothermal vents
(d) None of the above
5. Upwelling usually occurs in
(a) East coast
(b) West coast
(c) Bay
(d) None of the above
6. Coral reefs are highly sensitive to
(a) Temperature
(b) PH
(c) Both (a) and (b)
(d) None of the above
7. Which of the following microbes can degrade hydrocarbons?
(a) Pseudomonas sp.
(b) E.COLI.
(c) Bacillus sp.
(d)Both (a) and (b).
8. _______________ water born disease?
(a) Tetanus
(b) Cholera
(c) AIDS
(d)None
9. The reefs form a border along shore are called as
(a) Barrier reefs
(b) Atolls
(c) Fringing reef
(d) Kays
10. The bacteria to archive a doubling of the population by certain amount of time called as
(a) Budding time
(b) Incubation time
(c) Generation time
(d) Growing time

PART B –( 5 * 5 = 25 MARKS )
ANSWER ALL QUESTIONS. CHOOSING EITHER (a) OR (B)

11. (a) Write about importance of coral reefs.
Or
(b) Write about notes on zonation.

12. (a) Write about fresh water system.
Or
(b) Write about pesticides and its uses.

13. (a) Write about phytoplankton and their role in food chain.
Or
(b) Write about decomposers.

14. (a) Write about importance of in situ bioremediation.
Or
(b) Write about gulf of mannar biosphere reserve?

15. (a) Write about notes on eutrophication.
Or
(b) Explain about marine habitats.

PART C –( 5 * 8 = 40 MARKS )
ANSWER ALL QUESTION. CHOOSING EITHER (a) OR (B).

16. (a) Write about pond and stream fresh water system in detail.
Or
(b) Food chain in a boost in Nature of – Explain.
.
17. (a) What is bioaccumulation and explain the impact of bioaccumulation on aquatic ecosystem?
Or
(b) What are the roles of microbes in phosphorus cycle?

18. (a)What ARE Bio fouling and its effect in marine habits?.
Or
(b) What are hydrothermal vents?

19. (a) Write about ecological importance of coral reefs and lakes.
Or
(b) Write notes on carbon and nitrogen cycles.

20. (a) Write about importance and application of bioremediation.
Or
(b) Write details about aquatic water system.





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