LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc. DEGREE EXAMINATION – ZOOLOGY
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FIRST SEMESTER – APRIL 2006
ZO 1810 – ADVANCED DEVELOPMENTAL BIOLOGY
Date & Time : 28-04-2006/1.00-4.00 P.M. Dept. No. Max. : 100 Marks
SECTION – A
Answer ALL the questions (10 ´ 2 = 20 marks)
- Explain ETT.
- Define Amniocentesis.
- What is an Organiser.
- Comment on Secondary Organ Rudiment.
- What is indifferent Gonad?
- Define EGG Polarity.
- Differentiate Pathological and Physiological Polyspermy.
- List out the different types of Blastula.
- Explain Ovoviviparous condition.
- Comment on “After Birth Tissue”.
SECTION – B
Answer any FOUR questions (4 ´ 10 = 40 marks)
- Define Aging. Explain changes occurring during aging and the theories pertained to aging process.
- List out and describe the theories of fertilization.
- Write down the development of Amnion and Chorion with functions.
- Give an account of Embryonic Nutrition.
- Describe the fate map of Amphibian Blastula.
- Explain the process of Morphogenetic movements.
SECTION – C
Answer any TWO questions ( 2 ´ 20 = 40 marks)
- Define Pregnancy and explain changes during pregnancy.
- Write an essay on Invitro fertilization.
- Give an account on classification of Placenta.
- Write an account on Physiology of Gastrulation.