M.Sc. DEGREE EXAMINATION, APRIL 2016
Second Semester
Biotechnology
Elective II — MARINE ECOSYSTEM AND PRINCIPLES
OF OCEANOGRAPHY
(CBCS 2013 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 2 20)
Answer all questions.
All questions carry equal marks.
1. Light is an important ecological factor — Why?
2. What are Coral reefs?
3. What are the different methods used for measuring
marine biodiversity?
4. Define captive breeding.
5. How the waves and tides are formed?
6. Expand ENSO.
7. How you measure the dissolved gases in sea water?
8. Mention any four major elements in sea water.
9. How do you calculate primary productivity?
10. Define bioluminescence
Sub. Code
501504
RW-10863
2
Wk 4
Part B 5 25)
Answer all questions choosing either or
11. Write a short note on marine environment.
Or
Brief on Muddy shores.
12. Brief on overexploitation.
Or
Define how restoration of ecosystem is carried out.
13. Write a short note on wave propagation and its
decay.
Or
Explain eastern boundary current. Change this
repeated in part c.
14. What are the significance of oceanography studies?
Or
What is the effect of gases dissolved in seawater?
15. Explain Secondary production.
Or
Define acid rain and its effect
RW-10863
3
Wk 4
Part C 10 30)
Answer any three questions.
16. List out the important ecological factors and its
significance on environment.
17. Explain the technique involved in measuring biodiversity.
18. Give a detailed account on western and eastern boundary
currents.
19. Give a detailed account on oceanographic instrument and
its application in tackling natural calamities.
20. Comment on global warming and its effects.