LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
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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
- What is Corpus luteum?
- Comment on Amenorrhoea
- What is the formula to measure the blastomere’s rario during cleavage
- What are parthenotes?
- Explain chemotaxis
- List out the organs change in structure due to aging
- Differentiate polarity and polar axis
- Define the term primary inductor
- What is fate map?
- Comment on foetal and maternal relationship
Part B (Answer any four) 4 X 10 = 40
- Write an account on the process of parturition
- Write notes on the different types of neoteny
- Explain biogenetic law and Germplasm theory
- Describe the different types of patterns of cleavage
- Give an account of chemodifferentiation
- Write an account of human cleavage from day one to day twenty
Part C (Answer any two) 2 X 20 = 40
- (a) Explain foetal and maternal relationships
(b) Give an account of placenta and its functions
- Write an essay on test tube baby
- Give an account of artificial, larval and accidental parthenogenesis
- Explain about prenatal diagnosis