LOYOLA  COLLEGE (AUTONOMOUS), CHENNAI-600 034.

B.Sc. DEGREE  EXAMINATION  – PLANT BIOLOGY AND BIOTECHNOLOGY

THIRD SEMESTER  – APRIL 2003

ZO 3100/ZOO 100 – ANIMAL DIVERSITY

07.04.2003

9.00 -12.00                                                                                          Max : 100 Marks

 

 

PART – A               (10 ´ 2 = 20 Marks)

I  Answer ALL the questions.

 

1. What is rosetellum?
2. Write the dental formula of man and rabbit.
3. What is alternation of generation? Give an example.
4. What are extra embryonic membranes?
5. Mention the types of chordate eggs.
6. Comment on Pecten.
7. Write a note on bipinnaria larva.
8. What is synsacrum?
9. What is greengtand?
10. write about the structure and function of radula.

 

 

              PART – B                    (4 ´ 10 = 40 Marks)

 

II   Answer any FOUR of the following

 

11. Describe the reproductive system in leech.
12. Explain the lifecycle of Ascaris.
13. Describe the reproductive system in rat.
14. Explain the water vascular system in starfish.
15. Explain the nervous system of Pila
16. What is amoebic dysentry? How is it prevented and controlled?

 

 

PART – C                                      (2 ´ 20 = 40 Marks)

 

III   Answer any TWO of the following.

 

17. DescribeGive in detail the lifecycle of Taenia solium
18. Write an essay on migration of birds and flight adaptations.
19. Write an essay on the appendages of prawn.
20. Describe in detail the lifecycle of plasmodium vivax.

 

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