M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
First Semester
Oceano Graphy
MARINE POLLUTION
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
All questions carry equal marks.
1. Define marine pollution.
2. Bio-magnification.
3. Detergents.
4. Cooling ponds.
5. Torrey canyon.
6. Organochlorines.
7. Minamata.
8. Radioactive fall-out.
9. PSP.
10. Global warming.
Sub. Code
461501
RW-903
2
Wk ser
Part B x 5 25)
Answer all questions choosing either or
11. Explain the categories of pollutants.
Or
Explain the process of bio-accumulation.
12. Explain the sources of industrial pollution.
Or
Discuss the status of thermal pollution in the
Mediterranean sea.
13. Briefly explain the major sources of oil pollution in
the sea.
Or
Narrate the controlling measures to minimize
pesticide pollution.
14. Discuss the status of coastal pollution in India as
future strategies.
Or
List out the beneficial aspects of radiation.
15. Point out the selection criteria for indicator
organism.
Or
Write down the methods to minimize red tide
phenomenon.
RW-903
3
Wk ser
Part C x 10 30)
Answer any three questions.
All questions carry equal marks.
16. What are organic wastes? Explain the consequences of
discharges to the estuarine ecosystem with suitable
examples.
17. Write a detailed account on industrial pollution and
sources and their treatment process.
18. Write a detailed account on sources, fate and the impacts
of oil pollution in the sea.
19. Explain on heavy metal pollution and add their
distribution and toxic effects on marine organism.
20. Write a detailed account in the monitoring strategies of
marine pollution. Add briefly on indicator organism for
monitoring trace metal pollution.
————————