LOYOLA  COLLEGE (AUTONOMOUS), CHENNAI-600 034.

M.Sc. DEGREE  EXAMINATION  – ZOOLOGY

first SEMESTER  – APRIL 2003

ZO 1803/  Z  722 advanced developmental biology

08.04.2003

1.00 – 4.00                                                                                          Max: 100 Marks

 

                                               PART – A                              (10 ´ 2 = 20 Marks)

Answer ALL questions.  Each question carries two marks

 

1. Comment on Von Baer’s contribution.
2. Trace the origin of primordial germ cells.
3. Define vitellogenesis and mention its significance.
4. State any two theories of fertilization.
5. Define chemodifferentiation.
6. Illustrate a fate map.
7. Distinguish a morula from blastula
8. Name any two derivatives of mesoderm and endoderm.
9. Mention the function of allantois and chorion.
10. What is exogastrulation?

 

PART – B                                           (4´ 10 = 40 Marks)

Answer any four questions.  Each question carries ten marks

 

11. How do you associate the process of aging with development?
12. Describe polarity, symmetry met within eggs.
13. Explain the various stages involved in parturition.
14. Trace the origin and development of excretory organs from the mesoderm.
15. Illustrate the extra embryonic membranes of chick.
16. Mention the physico chemical factors involved in cleavage.

 

PART – C                                                      (2 ´ 20 = 40 Marks)

Answer any TWO questions.  Each question carries 20 marks

 

17. Describe the events involved in human embryonic development and explain the

role of  placentation in this regard.

18. Outline the protocol of human cloning and add a note on its ethical implications.
19. Explain the role of organizers and induction in the context of Speemann’s experimentation.
20. Explain the role of genetics and hormones in the developmental process.

 

Go To Main page

 

 

 

 

 

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034

M.Sc. DEGREE EXAMINATION –  ZOOLOGY

SECOND SEMESTER-APRIL 2004

ZO 2807/ Z  829  ENVIRONMENTAL TOXICOLOGY

19.04.2004

1.00 –4.00                                                                                         Max. 100 Marks

 

 

PART – A                              (10 ´ 2= 20 Marks)

Answer ALL the questions in two or three sentences.

 

1. What is physical poison?
2. What is response relationship?
3. Comment on ‘sludge’.
4. Differentiate bioremediation and biodegradation.
5. What is fluecolation?
6. Differentiate Toxicant and Toxin.
7. Differentiate acute and chronic toxicity.
8. Define ‘Oil sleek’.
9. Differentiate LD₅₀ and LC₅₀.
10. What is ozone hole and how it is formed?

 

PART – B                                                 (4 ´ 10 = 40 Marks)

Answer any FOUR of the following.

11. Toxicology is a multidisciplinary subject –
12. Discuss light and its role in vision of Man.
13. Give an account of soil pollution with a note on prevention.
14. Give an account of sources and impact of carbonmonoxide on man.
15. Give an account of synthetic polymers and their impact on animals.
16. Give an account of airpollutants and its toxicolgical impact on plants and animals.

 

    PART – C                                                 (2 ´ 20 = 40 Marks)

Answer any TWO of the following.

 

17. Write an essay on the classification of pesticides and their impact on fauna and flora.
18. Analyse the impact of heavy metals toxicants on reproduction of animals and add a note on its control methods.
19. Discuss indetail the role of domestic waste as toxicants and treatment of waste water.
20. a) Discuss indetail the role temperature in toxicity.
21. b) impact of industrial waste.

 

 

Go To Main page

 

 

 

 

             LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 20

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)

 

1. Explain ETT.
2. Define Amniocentesis.
3. What is an Organiser.
4. Comment on Secondary Organ Rudiment.
5. What is indifferent Gonad?
6. Define EGG Polarity.
7. Differentiate Pathological and Physiological Polyspermy.
8. List out the different types of Blastula.
9. Explain Ovoviviparous condition.
10. Comment on “After Birth Tissue”.

 

SECTION – B

 

Answer any FOUR questions                                                          (4 ´ 10 = 40 marks)

 

11. Define Aging. Explain changes occurring during aging and the theories pertained to aging process.
12. List out and describe the theories of fertilization.
13. Write down the development of Amnion and Chorion with functions.
14. Give an account of Embryonic Nutrition.
15. Describe the fate map of Amphibian Blastula.
16. Explain the process of Morphogenetic movements.

 

SECTION – C

 

Answer any TWO questions                                                           ( 2 ´ 20 = 40 marks)

 

17. Define Pregnancy and explain changes during pregnancy.
18. Write an essay on Invitro fertilization.
19. Give an account on classification of Placenta.
20. Write an account on Physiology of Gastrulation.

 

 

Go To Main Page

                        LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

AF 16

FIRST SEMESTER – NOV 2006

ZO 1810 – ADVANCED DEVELOPMENTAL BIOLOGY

 

 

Date & Time : 02-11-2006/1.00-4.00     Dept. No.                                                       Max. : 100 Marks

 

 

 

PART- A

(Answer all )                                                                                                           10 x 2 = 20

1. What is Hysterosalpingography?
2. Comment on After birth tissue
3. Write brief notes on embryo transfer
4. What is calcium activation?
5. Explain amphitoky
6. Comment on key and lock type interaction
7. Differentiate early adult and middle aged man
8. List out the significance of polarity
9. Define the term organizer
10. Comment on therapeutic cloning

PART- B

(Answer any four)                                                                                                             4 x 10 = 40

1. Write notes on changes during pregnancy
2. What are the factors causing neoteny and write its significances
3. Write down the classification of placenta
4. Explain the theories of preformation, epigenesis and pangenesis
5. Give an account of exogastrulation
6. Describe the ultrastructural organisation of sperm with reference to movement

PART – C

(Answer any two)                                                                                                  2 x 20 = 40

1. (a) Write an account of ovulation and hormonal control

(b) Explain sperm transport, fertilization and implantation of fertilized ovum

1. Write an essay on human cloning and its ethical implications
2. Give an account of natural parthenogenesis
3. Explain about embryonic induction

 

 

Go To Main page

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

 

 

Go To Main Page

 

DE 21

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – APRIL 2008

ZO 1810 – ADVANCED DEVELOPMENTAL BIOLOGY

 

 

 

Date : 05-05-08                  Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

PART – A

Answer All questions                                                                                    10 X 2 = 20 marks

 

1. Comment on oocyte retrieval
2. Name the animals cloned by Nuclear Transfer Technology
3. What are morphogenetic movements?
4. Differentiate neoteny from parthenogenesis
5. Explain holoblastic and superficial cleavage
6. Trace the origin of primordial germ cells in mammals
7. Write a note on  previtellogenesis and vitellogenesis
8. What is an organizer?
9. Define amniocentesis
10. What are the parameters of semen analysis?

PART – B

Answer any Four                                                                                          4 X 10 = 40 marks

 

1. Explain the theories of pangenesis and recapitulation
2. Write notes on ovulation and hormonal control
3. Give an account on natural parthenogenesis
4. Explain the interpretation of semen analysis
5. Describe the process of exogastrulation
6. Briefly explain egg polarity and its origin

PART – C

Answer any Two                                                                                           2 X 20 = 40 marks

 

1. Write an essay on parturition, infertility, artificial insemination including IUF, ETT and GIFT
2. Discuss prenatal diagnosis with reference to noninvasive methods
3. Define and explain in detail embryonic induction and comment on the nature of the inducing substance
4. Explain the different techniques of cloning and mention the ethical implications

 

Go To Main page

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

GA 19

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – November 2008

    ZO 1810 – ADVANCED DEVELOPMENTAL BIOLOGY

 

 

 

Date : 11-11-08                 Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

SECTION-A

Answer all questions                                                             (10 x 2 = 20 Marks)

1. What are the reasons for tubal pregnancy?
2. What are the functions of amnion and yolk sac?
3. Define ontogeny and phylogeny.
4. Differentiate determinate cleavage from indeterminate cleavage.
5. Define neurogenesis
6. Comment on fertilizin and antifertilizin
7. Comment on hyper emesis gravidarum
8. What is GIFT?
9. Comment on Surrogate
10. What is innate immunity?

SECTION-B

Answer any FOUR questions                                                                      (4 x 10=40 Marks)

11. Explain Non-Invasive methods with reference to prenatal diagnosis.
12. Write an account on biochemical changes in oogenesis.
13. Discuss the various programmes of an organism.
14. Describe the events on mobility of sperm.
15. Give an account on patterns of asexual reproduction.
16. Explain exogastrulation

SECTION-C

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

17. Write an essay on pregnancy and parturition.
18. Give an account on embryonic induction.
19. Explain test tube baby and artificial insemination.
20. Give an account on parthenogenesis.

 

 

Go To Main page

Go To Main page

Go To Main page

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – NOVEMBER 2010

    ZO 1816  – ADVANCED DEVELOPMENTAL BIOLOGY

 

 

 

Date : 09-11-10                 Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

Section – A

 

Answer all the questions. Each question carries two marks                                            (10×2 = 20 marks)

 

1. Differentiate theca interna and theca externa.
2. What is implantation?
3. Mention the main function of fertilization membrane.
4. Write the significance of gastrulation.
5. What are the functions of allantois?
6. Comment on healthy sperm motility.
7. Explain embryo transfer.
8. What is condra-deciduate placenta?
9. Define gynogenesis.
10. What are the factors causing neoteny?

 

Section – B

 

Answer any four questions. Each question carries ten marks                                         (4×10 = 40 marks)

 

11. Write notes on the programme of development.
12. Explain Baer’s and Biogenetic law.
13. Give an account on the mobility of spermatozoan and egg activation.
14. Write notes on fate map.
15. Explain prenatal diagnosis.
16. Describe the structure and functions of placenta.

 

Section – C

 

Answer any two questions. Each question carries twenty marks                                   (2×20 = 40 marks)

 

17. Write an essay on human cloning and ethical issues.
18. Give an account on changes during pregnancy and the process of parturition.
19. Explain aging and its developmental potential.
20. Write a detailed account on exogastrulation.

 

 

Go To Main page

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – APRIL 2011

ZO 1816/1810 – ADVANCED DEVELOPMENTAL BIOLOGY

 

 

Date : 15-04-2011             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

SECTION – A

Answer all the questions. Each question carries two marks     (10 X 2 = 20 Marks)

1. How the corpus luteum is formed?
2. Differentiate syncitiotrophoblast and cytotrophoblast.
3. What is fertilization cone?
4. Define morphogenesis.
5. Write the functions of chorion.
6. Comment on fertile aid for men.
7. Explain third party reproduction.
8. What is zonary placenta?
9. Define arrhenotoky.

10. What is paedogenesis?

 

SECTION – B

 

Answer any FOUR questions. Each question carries ten marks.(4 X 10 = 40 Marks)

 

11. Explain gradient theory germplasm theory.
12. Describe the electron microscopic structure of the mature spermatozoan.
13. Write notes on Speeman’s primary organiser.
14. Explain morphogenetic movements of cells during gastrulation.
15. Give an account on the procedure involved in embryo transfer and explain the proper location for placement of the embryo.
16. Write an account on extra embryonic membranes of chik.

 

SECTION – C

Answer any TWO questions. Each question carries twenty marks (2 X 20 = 40 Marks)

 

17. Write an essay on structure, classification and physiology of placenta.
18. Give an account on ovulation, hormonal control, sperm transport and implantation of fertilized ovum.
19. Explain parthenogenesis and neoteny.
20. Write a detailed account on fertility of sperm and in vitro fertilization.

 

 

Go To Main page

Go To Main page

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.

 

Go To Main page

 

 

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.

 

Go To Main Page

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.

 

Go To Main Page

Go To Main Page

Go To Main Page

Go To Main Page

Go To Main page

Go To Main page