LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

TS 22

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – APRIL 2007

ZO 1810 – ADVANCED DEVELOPMENTAL BIOLOGY

 

 

 

Date & Time: 02/05/2007 / 1:00 – 4:00      Dept. No.                                       Max. : 100 Marks

 

 

 

Part A                                                (Answer all )                                   10 X 2 = 20

1. What is Corpus luteum?
2. Comment on Amenorrhoea
3. What is the formula to measure the blastomere’s rario during cleavage
4. What are parthenotes?
5. Explain chemotaxis
6. List out the organs change in structure due to aging
7. Differentiate polarity and polar axis
8. Define the term primary inductor
9. What is fate map?
10. Comment on foetal and maternal relationship

Part B                                                 (Answer any four)                             4 X 10 = 40

1. Write an account on the process of parturition
2. Write notes on the different types of neoteny
3. Explain biogenetic law and Germplasm theory
4. Describe the different types of patterns of cleavage
5. Give an account of chemodifferentiation
6. Write an account of human cleavage from day one to day twenty

Part C                                                 (Answer any two)                              2 X 20 = 40

1. (a) Explain foetal and maternal relationships

(b) Give an account of placenta and its functions

1. Write an essay on test tube baby
2. Give an account of artificial, larval and accidental parthenogenesis
3. Explain about prenatal diagnosis

 

 

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