LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

GA 19

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – November 2008

    ZO 1810 – ADVANCED DEVELOPMENTAL BIOLOGY

 

 

 

Date : 11-11-08                 Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

SECTION-A

Answer all questions                                                             (10 x 2 = 20 Marks)

1. What are the reasons for tubal pregnancy?
2. What are the functions of amnion and yolk sac?
3. Define ontogeny and phylogeny.
4. Differentiate determinate cleavage from indeterminate cleavage.
5. Define neurogenesis
6. Comment on fertilizin and antifertilizin
7. Comment on hyper emesis gravidarum
8. What is GIFT?
9. Comment on Surrogate
10. What is innate immunity?

SECTION-B

Answer any FOUR questions                                                                      (4 x 10=40 Marks)

11. Explain Non-Invasive methods with reference to prenatal diagnosis.
12. Write an account on biochemical changes in oogenesis.
13. Discuss the various programmes of an organism.
14. Describe the events on mobility of sperm.
15. Give an account on patterns of asexual reproduction.
16. Explain exogastrulation

SECTION-C

Answer any TWO questions                                                                        (2 x 20=40 Marks)

17. Write an essay on pregnancy and parturition.
18. Give an account on embryonic induction.
19. Explain test tube baby and artificial insemination.
20. Give an account on parthenogenesis.

 

 

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