LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – ADVANCED ZOOLOGY
FIRST SEMESTER – NOV 2006
AF 01
AZ 1500 - INVERTEBRATA
(Also equivalent to ZO 1500)
Date & Time : 01-11-2006/1.00-4.00 Dept. No.
Max. : 100 Marks
PART A
(Answer all )
10 x 2 = 20
1. Comment on haemozoin.
2. What is choanocytes.?
3. What is measly pork?
4. Comment on parapodium.
5. What is clitellum?
6. What is thelycum?
7. What is book lung?
8. Mention the functions of Tube feet.
9. Comment on “Cuttle bones”.
10. What is epitaenia?
PART B
(Answer any four)
4 x 10 = 40
11. Explain the process of conjugation in paramecium
12. With a suitable diagram explain the structure of medusa.
13. Describe the digestive system of Leech.
14. Explain the cephalic appendages of prawn.
15. Discuss the morphological features of Scorpion.
16. Explain the process of respiration in pila.
PART C
(Answer any two)
2 x 20 = 40
17. What is metagenesis? Explain with a suitable example.
18. Explain the life history of Ascaris.
19. Explain the larval forms of Prawn.
20. Explain the water vascular system in Star fish.
__________________________