LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & BIO.TECH.
SECOND SEMESTER – April 2009
UF 03
AZ 2102 / 2100 - ANIMAL DIVERSITY
Date & Time: 25/04/2009 / 1:00 - 4:00
PART – A
Dept. No.
Answer ALL the questions
Max. : 100 Marks
10 x 2 = 20 Marks
1. What is pecten?
2. Comment on hirudin.
3. What are tube feet?
4. What is gravid segment?
5. Explain a trophozoite
6. What is hydranth?
7. Comment on Scolex of tapeworm?
8. Write notes on buccal respiration.
9. Comment on petasma.
10. Drawn a labeled diagram of tenth segment in leech.
PART – B
Answer any FOUR of the following
4 x 10 = 40 Marks
11. Give the life cycle of Obelia colony.
12. Explain ambulacral system of starfish.
13. Give the life cycle of Ascaris
14. Explain the digestive system of rat.
15. Trace the life cycle of Entamoeba histolytica.
16. Explain airsacs in birds.
PART – C
Answer any TWO of the following
17. Write an essay on appendages of prawn.
18. Give the life cycle of Tenia solium.
19. Discuss in detail respiration in amphibia.
20. Explain in detail digestive system of leech.
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2 x 20 = 40 Marks