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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034
B.Sc. DEGREE EXAMINATION ADVANCED ZOOLOGY AND BIOTECHNOLOGY
FOURTH SEMESTER APRIL 2016
AZ 4505 ORGANIC EVOLUTION
Date: 20-04-2016 Dept. No. Max. 100 Marks
Time: 09:00-12:00
PART A (10x2=20 marks)
Answer ALL the questions
1. Define Hardy Weinberg law.
2. What is Genetic drift?
3. Explain Cosmozoic theory.
4. Write a short note on Convergent evolution.
5. What is a Living fossil?
6. Define Neoteny.
7. Explain Sympatric speciation.
8. Define Abiogenesis.
9. Elaborate Müllerian mimicry with a suitable example.
10. What is HMS Beagle?
PART B (4x10=40 marks)
Answer any FOUR questions
11. Discuss in brief mutation theory.
12. Give an account of Lamarckism.
13. Explain the types of fossils and their significance.
14. Give an account on the adaptive radiation in placental mammals.
15. Draw the geological time scale.
16. Write an account on evolution and ethics.
PART C (2x20=40 marks)
Answer any TWO questions
17. Discuss Neo-Darwinism.
18. Write an essay on coloration mimicry.
19. What is speciation? Explain the different modes of speciation.
20. Write an essay on Human Genome project.