LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & BIO-TECHNOLOGY
SECOND SEMESTER – APRIL 2006
AZ 2100 - ANIMAL DIVERSITY
TS 3
(Also equivalent to ZO 2100/ 3100/ ZOO 100)
Date & Time : 26-04-2006/1.00-4.00 P.M. Dept. No.
Part A
(Answer All)
Max. : 100 Marks
10  2 = 20
1. What is meant by measly pork?
2. What is a quill feather?
3. Explain a planula.
4. Mention the structure and functions of scolex.
5. Draw the eleventh segment of leech.
6. Explain the signet ring.
7. Write the dental formula of rat.
8. What is amoebiasis?
9. What is pectin?
10. What is hirudin?
Part B
(Answer any four)
11. Explain the life cycle of Ascaris lumbricoides.
4  10 = 40
12. Describe the structure and function of airsacs in birds.
13. Explain the life cycle of Obelia geniculata.
14. Write a note on extra embryonic membranes in chordates.
15. Explain in detail cephalic appendages of prawn.
16. Describe the ambulacral system in starfish.
Part C
(Answer any two)
17. Explain the sexual reproduction in Plasmodium vivax.
18. Write an essay on the life cycle of Taenia solium.
19. Give an account on pulmonary respiration in frogs.
20. Explain in detail the life cycle of Entamoeba histolytica.
_______________
2  20 = 40