M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Third Semester
Zoology
DEVELOPMENTAL BIOLOGY
(CBCS 2014 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Polarity.
2. Vitellogenesis.
3. Blastula.
4. Cell affinity.
5. Fatemap.
6. Emboly.
7. Organogenes.
8. Organizer.
9. Artificial insemination.
10. IVF.
Sub. Code
4MZO3C1
AFF-4921
2
Wk 3
Part B x 5 25)
Answer all questions, choosing either or
11. Explain the Azoospermia.
Or
Briefly describe the types of Sperm.
12. Explain about the formation of blastula.
Or
Briefly describe about activation of egg.
13. Write short note on cell differentiation.
Or
Briefly describe about development of kidney.
14. Write short notes on nuclear transplantation.
Or
Write short notes on organizer concept.
15. Write an account on foetal membrane.
Or
Write short notes on induced breeding.
AFF-4921
3
Wk 3
Part C x 10 30)
Answer any three questions.
16. Describe in detail about types of cleavage.
17. Give an account on chemodifferentiation.
18. Describe in detail about development of heart.
19. Explain the test tube baby and their application in
modern embryology.
20. Write an essay on regenerative mechanisms in
vertebrates.
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