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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – APRIL 2012

ZO 1816 – ADVANCED DEVELOPMENTAL BIOLOGY

 

 

Date : 02-05-2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

            Part A

           

       Answer ALL the questions:                                                                                          (10×2=20 Marks)

1. What is spermiogenesis?
2. Differentiate previtellogenesis from vitellogenesis.
3. Comment on nurse cells.
4. Explain fertilizin and antifertilizin reactions.
5. Define neotony.
6. What is fate map?
7. Comment on neural crest cells.
8. Explain foetal membranes.
9. Comment on chemo-differentiation.
10. What is involution?

Part B

 

Answer any FOUR questions:                                                                                    (4×10=40 Marks)

 

11. Write notes on the ultra structural organization of spermatozoa.
12. Explain natural parthenogenesis.
13. Describe Exogastrulation.
14. Give an account on ecto, endo and meso dermal derivatives.
15. Explain aging and the developmental potential.
16. Describe the extra embryonic membranes of chick.

 

Part C

Answer any TWO questions:                                                                                        (2×20=40 Marks)

 

17. Write an essay on oogenesis.
18. Give an account on test tube baby.
19. Describe Spemann’s primary and secondary organizers.
20. Explain prenatal diagnosis.

 

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – NOVEMBER 2012

ZO 1822 – ADVANCED DEVELOPMENTAL BIOLOGY

 

 

Date : 09/11/2012            Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

Part-A

Answer All the questions                                                                       (10×2=20 Marks)

1. Differentiate immigration from delamination.
2. What is heteroplastic transplantation.
3. Define the term totipotent.
4. What is amniocentesis?
5. Define embryogenesis.
6. Explain GIFT.
7. What is enzyme induction?
8. Differentiate eccentric from interstitial implantation.
9. List out the functions of allantois.
10. Comment on invitro fertilization.

Part-B

Answer any FOUR questions                                                  (4×10=10 Marks)

11. Write notes on autosomal recessive disorder.
12. Explain the detection of disorder from the amniotic cell.
13. Write down the functions of placenta.
14. Give a short account on amphibian metamorphosis.
15. Describe the ultra structure of spermatozoon and list out its functions.
16. Give an account on the extra embryonic membrane of bird.

 

Part-C

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

17. Give an account on prenatal diagnosis.
18. Write an essay on the process of ovulation.
19. Explain the techniques of cryopreservation.
20. Describe the process of aging and the developmental potential.

 

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – NOVEMBER 2012

ZO 1822/1816 – ADVANCED DEVELOPMENTAL BIOLOGY

 

 

 

Date : 09/11/2012            Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

Part-A

Answer All the questions:                                                                      (10×2=20 Marks)

1. Differentiate immigration from delamination.
2. What is heteroplastic transplantation?
3. Define the term totipotent.
4. What is amniocentesis?
5. Define embryogenesis.
6. Explain GIFT.
7. What is enzyme induction?
8. Differentiate eccentric from intersitial implantation.
9. List out the functions of allantois.
10. Comment on invitro fertilization.

Part-B

Answer any FOUR questions:                                                             (4×10=10 Marks)

 

11. Write notes on autosomal recessive disorder.
12. Explain the detection of disorder from the amniotic cell.
13. Write down the functions of placenta.
14. Give a short account on amphibian metamorphosis.
15. Describe the ultra structure of spermatozoon and list out its functions.
16. Give an account on the extra embryonic membrane of bird.

 

Part-C

Answer any TWO questions:                                                                   (2×20=40 Marks)

17. Give an account on prenatal diagnosis.
18. Write an essay on the process of ovulation.
19. Explain the techniques of cryopreservation.
20. Describe the process of aging and the developmental potential.

 

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