LOYOLA  COLLEGE (AUTONOMOUS), CHENNAI-600 034.

M.Sc. DEGREE  EXAMINATION  – ZOOLOGY

first SEMESTER  – APRIL 2003

ZO 1802 / Z  721  phylogeny of chordata

07.04.2004

1.00 – 4.00

                                                                                                            Max: 100 Marks

 

PART –  A                (10 ´ 2 = 20 Marks)

Answer ALL questions.

 

1. Give the zoological terms of the following.
2. Tiger Peacock
3. Write the dental formulae of
4. Man b. Squirrel
5. What is ductus caroticus?
6. What is a palaeontological question mark?
7. Write short notes on synsacrum.
8. Mention the different types of skull.
9. Write a note on
10. Draco Chamaelear
11. Comment on of Seymouria.
12. Mention the name of any four Avian fauna of India.
13. Define osmorequlation

 

PART – B                  (4 ´ 10 = 40 Marks)

Answer any four questions

 

11. Explain the parental cares of fishes.
12. Give an account of cavities of brain in Frog.
13. Write short notes on Archaeopteryx.
14. Explain the origin, ancestry and evolution of Amphibians.
15. Give an account of Tetrapod limbs.
16. Comment on the Avian fossile of India.

 

PART – C                 (2 ´ 20 = 40 Marks)

Answer any two questions.

 

17. Write an essay on ostracoderms.
18. Explain in detail the origin and evolution of Mammals.
19. Give a comparative account of respiratory system of chordates and bring out the evolutionary significance.
20. Write an essay on Migration of birds.

 

 

 

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