LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034
B.Sc. DEGREE EXAMINATION ADVANCED ZOOLOGY AND BIOTECHNOLOGY
SECOND SEMESTER APRIL 2016
AZ 2504 AZ 2502 AZ 2500 CHORDATA
Date: 21-04-2016 Dept. No. Max. 100 Marks
Time: 01:00-04:00
Part
Answer all questions (10 x 20 marks)
1. What are the cephalochordates?
2. Define metamorphosis.
3. What are the cold blooded animals?
4. Define Apoda.
5. What is Agnatha? Give an example.
6. Define homeotherms.
7. What is pecten?
8. Mention any two fossil birds.
9. What are the graafian follicles?
10. Define axolotl.
Part
Answer any four questions x 10= 40 marks
11. Explain parental care exhibited by fishes.
12. Describe the types of respiration in frog.
13. Sketch the arterial system of Calotes.
14. Explain the roles air sacs of birds.
15. Examine the adaptation of flying mammals.
16. Characterize Marsupials.
Part
Answer any two questions (2x 20= 40 marks
17. Discuss the structure and affinities of Amphioxus.
18. Give an account on migration of birds.
19. Illustrate the types jaw suspension among vertebrates.
20. Explain the different types of placenta in mammals.