GA 17

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – November 2008

    ZO 1808 – ANIMAL BIODIVERSITY AND BIOSYSTEMATICS

 

 

 

Date : 06-11-08                 Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

Part – A

Answer ALL the questions                                                                                 (10 x 2 = 20 Marks)

 

1. Expand UNEP, FAO, MAB and IUCN
2. Differentiate Endangered (EN) from Near Threatened (NT).
3. Write a note on ‘Environmental Risk Assessment’.
4. Mention the lotic and lentic adaptive features of animals.
5. Write a note on ‘estuarine fauna’.
6. What is ‘Form Species?’
7. Comment on ‘Starting point of Nomenclature’.
8. Distinguish ‘Insular species’ from ‘Cosmopolitan species’.
9. Mention the contributions of Ernest Haeckel and Aristotle to taxonomy.
10. Define ‘Uni’ “Bi’ and ‘Tri’ nomenclatures with examples.

 

Part – B

Answer any FOUR questions                                                                             (4 x 10 = 40 Marks)

1. Write an account on the economic importance of sea weeds.
2. Enumerate the biodiversity values of wetland and its threats.
3. Explain the aims, tasks and problems of taxonomists.
4. Write notes on taxonomic keys.
5. Briefly explain different methods of biodiversity conservation.
6. Enumerate  the natural and anthropogenic threats to marine mammals.

 

Part –  C

Answer any TWO questions                                                                               (2 x 20 = 40 Marks)

1. Write a comprehensive account on species and genetic diversity of India.
2. Illustrate and explain the zonation of oceans and discuss the benthic and pelagic adaptations of animals.
3. Form an essay on the newer trends in taxonomy.
4. Write an account on Biosphere Reserves in India.

 

 

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