LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc. DEGREE EXAMINATION – ZOOLOGY
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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
- Comment on agnostic period in the history of evolutionary thought.
- List down the contributions of Jean B. Lamarck.
- Explain Batesian mimicry.
- What do you mean by co-evolution?
- Enumerate the evolutionary significance of Mesozoic era.
- Comment on biochemical recapitulation.
- What are CITROENS?
- Write a note on atavism.
- Explain evolutionary constancy with a suitable example.
- Comment on Orthogenesis.
Part B (Answer any four) 4 ´ 10 = 40
- Categorise the available fossil records.
- Explain the evolutionary role of point mutations.
- Write notes on Neo-Lamarckism.
- Hybridization is an evolutionary catalyst – Justify.
- Enumerate the importance of prospective adaptations.
- Briefly discuss Hardy – Weinberg law.
Part C (Answer any Two) 2 ´ 20 = 40
- Categorise natural selection and discuss their role in evolution.
- Write an essay on speciation.
- Discuss the fossil records of man.
- Write notes on : (1) Evolution of eukaryotes (2) Sexual selection.
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