LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & BIOTECH
SECOND SEMESTER – APRIL 2012
AZ 2102/2100 - ANIMAL DIVERSITY
Date : 23-04-2012
Time : 9:00 - 12:00
Dept. No.
Max. : 100 Marks
Part A
Answer All the questions:
(10×2=20 Marks)
1. What is amoebic dysentery?
2. Differentiate polyp from medusa.
3. Draw and label the scolex of tape worm.
4. Comment on hirudin.
5. Write a note on petasma.
6. What is radula?
7. Comment on pulmocutaneous arch.
8. What are mesolecithal eggs and telolecithal eggs?
9. What are amniotes?
10. Comment on trophozoite.
Part B
Answer any Four questions:
(4×10=40 Marks)
11. Describe extra intestinal migration in Ascaris.
12. Explain cephalic appendages in prawn.
13. Describe erythrocytic cycle of Plasmodium vivax.
14. Explain the structure and function of mammalian heart.
15. Illustrate the reproductive organ of Hirudunaria granulosa.
16. Describe the digestive system of Pila globosa.
Part C
Answer any TWO questions:
(2×20=40 Marks)
17. Write an essay on the life cycle of Taenia solium.
18. Give an account on extra embryonic membranes and their functions.
19. Compare the respiratory system of frog, pigeon and rat.
20. Illustrate life cycle of Obelia geniculata.
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