LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

THIRD SEMESTER – APRIL 2006

                                        ZO 3803 – ADVANCED EVOLUTIONARY BIOLOGY

 

 

Date & Time : 17-04-2006/AFTERNOON   Dept. No.                                                       Max. : 100 Marks

 

 

Part A                                              (Answer All)                                      10 ´ 2 = 20

1. Comment on agnostic period in the history of evolutionary thought.
2. List down the contributions of Jean B. Lamarck.
3. Explain Batesian mimicry.
4. What do you mean by co-evolution?
5. Enumerate the evolutionary significance of Mesozoic era.
6. Comment on biochemical recapitulation.
7. What are CITROENS?
8. Write a note on atavism.
9. Explain evolutionary constancy with a suitable example.
10. Comment on Orthogenesis.

Part B                                          (Answer any four)                                 4 ´ 10 = 40

11. Categorise the available fossil records.
12. Explain the evolutionary role of point mutations.
13. Write notes on Neo-Lamarckism.
14. Hybridization is an evolutionary catalyst – Justify.
15. Enumerate the importance of prospective adaptations.
16. Briefly discuss Hardy – Weinberg law.

 

Part C                                          (Answer any Two)                                 2 ´ 20 = 40

17. Categorise natural selection and discuss their role in evolution.
18. Write an essay on speciation.
19. Discuss the fossil records of man.
20. Write notes on : (1) Evolution of eukaryotes (2) Sexual selection.

 

 

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