M.Sc. (Oceanography) DEGREE EXAMINATION,
APRIL 2017.
BIOLOGICAL OCEANOGRAPHY
(2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
All questions carry equal marks.
Each answer should be in about 10 words.
1. Biomass.
2. Diatoms.
3. Indicator Species.
4. Meroplankton.
5. Littoral zone.
6. Halophytes.
7. Sea anemone.
8. Marine mammals.
9. Endoceism.
10. Parasitism.
Sub. Code
461201
RW-088
2
WS 20
Part B x 5 25)
Answer all questions.
All questions carry equal marks.
Each answer should be in about 500 words.
11. Mention the methods of estimation of standing
stock of phytoplankton.
Or
Explain on harmful algal blooms.
12. What are the factors affecting the distribution of
zooplankton?
Or
Explain the inter-relation between zooplankton and
fisheries.
13. Mention about intertidal seaweeds
Or
Write the economic importance of mangroves.
14. Explain the reproduction of any two marine
invertebrates.
Or
Write briefly on the minor Phyla-Phoronida.
15. Comment on inquilinism with some examples
Or
Comment on Phoresis with some examples.
RW-088
3
WS 20
Part C x 10 30)
Answer any three questions.
All questions carry equal marks.
Each answer should be in about 1000 words.
16. Write an account of regional difference in primary
production in oceans.
17. Give a detailed account on Zooplankton- its definition,
taxonomic classification and distribution.
18. Explain the taxonomy, distribution and economic
importance of any two sea weeds
19. Write a detailed account of a minor Phyla -Chaetognatha
20. Discuss in details on the following animal association
modes with illustrations
Corals and Zooxanthallae
Hermit Crab and Sea anemone.
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