LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – NOVEMBER 2012

ZO 1821/1815 – ADVANCED EVOLUTIONARY BIOLOGY

 

 

Date : 07/11/2012            Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

Section A

Answer ALL questions:                                                                                                        10×2=20 Marks

1. Comment on cosmozoic theory.
2. Big bang theory is a tenable hypothesis. Substantiate
3. What is biochemical recapitulation?
4. Name any eight vestigial organs in Man.
5. Comment on Mesozoic era.
6. Mention three important characteristics of Homo sapiens
7. Point mutation may affect survival and reproduction. Justify
8. With a suitable example explain atavism.
9. Define co-evolution.
10. Distinguish living fossils from fossils.

Section B

Answer any FOUR questions:                                                                                            4×10=40 Marks

11. Explain origin of eukaryotes.
12. Write notes on genomatic mutations.
13. Assess the available methods of dating of rocks and fossils .
14. Describe the different categories of animal colouration.
15. Explain evolutionary convergence and parallelism.
16. Hybridization is an evolutionary catalyst. Substantiate

Section C

Answer any TWO questions:                                                                                              2×20=40 Marks

17. Discuss Lamarckian principles and neo Lamarckism.
18. Give an account of species, speciation and isolating mechanisms.
19. Describe natural selection and genetic polymorphism.
20. Explain eugenics, euthenics and euphenics.

 

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