LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 18

FIRST SEMESTER – APRIL 2006

                            ZO 1807 – PHYLOGENY OF INVERTEBRATA AND CHORDATA

 

 

Date & Time : 22-04-2006/1.00-4.00 P.M.   Dept. No.                                                       Max. : 100 Marks

 

 

Part A                                     (Answer All)                          10 X 2 = 20

1. List down the three primary characteristics of chordates.
2. Give the binomial name of liver fluke and peacock.
3. Categorise the dentition in mammals.
4. Comment on age of fishes and reptiles.
5. Enumerate the structure and function of scolex of Taenia.
6. What do you mean by hermophroditism?
7. Comment on hirudin.
8. Evaluate the economic importance of tsetse fly.
9. Define bigenetic law.
10. Differentiate Companula hilari and pectin.

 

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

1.  Briefly describe the life cycle of Plasmodium.
2. Explain origin of earth.
3. Categorise coelom.
4. Explain the categories of animal association.
5.  Elucidate the affinities of Chaetognatha.
6.  Define the law of adaptive radiation. Explain the phenomenon with any suitable example.

 

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

1.  ‘Hemichordates are biological oddity’ – Justify.
2. Discuss the structure, functional modifications and pathogenicity of nematode parasites in man.
3. Give an account of marsupials.
4. Write notes on  (1) Regeneration    (2) Social life in insects.

 

 

Go To Main page

                     LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034    M.Sc. DEGREE EXAMINATION – ZOOLOGY

AF 13

FIRST SEMESTER – NOV 2006

    ZO 1807 – PHYLOGENY OF INVERTEBRATA AND CHORDATA

 

 

Date & Time : 26-10-2006/1.00-4.00        Dept. No.                                                       Max. : 100 Marks

PART-A

Answer ALL.                                                                                                      (10×2=20 marks)

1. Give the dental formulae of the following animals.
2. Man b. Rabbit
3. Write the zoological names of the following animals.
4. Tiger 2. Camel          3. Rabbit         4. Peacock
5. Name the mouth parts of cockroach.
6. Distinguish adaptation and adaptive radiation.
7. What is palaeontological question mark?
8. Define the following.
9. polymorphism b. hermophroditism
10. metamerism d. cephalisation
11. Name any two larval forms of crustacea.
12. Name the diseases caused by
13. Leishmania
14. Trypanosoma
15. Give any two economic importance of invertebrates.
16. Mention any two affinities of pogonophora towards invertebrates and two towards

chordates.

Part-B

Answer any FIVE.                                                                                    (5×8=40 marks)

 

11. Write a comparative account of vertebrate hearts.
12. Give an account of regeneration in invertebrate and chordates.
13. Discuss in detail the affinities of cephalochordates.
14. Explain in detail the organ and the organ systems of the minor phylum chaetognatha.

and discuss its phylogeny.

15. Classify the class ostracoderm and elaborate the systematic position of the jawless

vertebrates.

16. Write a paragraph on apiculture.
17. Compare and contrast the respiratory system of invertebrates and chordates bringing

in the evolutionary significance.

Part-C

Answer any TWO.                                                                                   (2×20=40 marks)

 

18. a. Define a geological time scale
19. Frame charts to show the distribution of invertebrates and chordates
20. Explain the phylogenetic significance of the times scale.
21. a. Placoderms
22. Classify the placoderms
23. Explain the origin and evolution of jaws
24. a. Define Prawn culture
25. Explain the process of culture of fresh water prawns
26. Explain the process of culture of marine prawns
27. a. What is a parasite?
28. Mention the various diseases caused by the invertebrate parasites
29. Explain in detail the existence and multiplication of parasites in human body

 

Go To Main Page

DE 18

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – APRIL 2008

ZO 1807 – PHYLOGENY OF INVERTEBRATA AND CHORDATA

 

 

 

Date : 28-04-08                  Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

PART – A                                          Answer ALL                                                 (10 x 2 = 20 Marks)

1. Give binomials of cat and camel
2. Mention any four economically important reptiles.
3. Write the dental formulae of rabbit and elephant
4. Define Sericulture and Palaeontological question mark
5. Write short notes on Cephalaspis
6. Explain cephalization
7. Write down any four important characteristics of the Phylum Phoronida
8. Give four parasitic adaptations of Taenia and Mosquito
9. Enumerate any four important characters of Hemichordates.
10. Explain the following ductus caroticus and ductus cuiveri

PART –  B                              Answer any FOUR                                                 (4 x 10 = 40 marks)

1. Write notes on the Larval forms of Echinoderms
2. Define adaptive radiation and Give an account of the Adaptive radiation in Marsupials.
3. What are Pathogens? Explain in detail the Pathogen Entamoeba.
4. What are pearl oysters and give an account on pearl culture.
5. Explain metamerism and add a note on Metamerism in various groups of animals.
6. Write notes on the corals and coral reefs.

 

PART – C                               Answer any TWO                                       (2 x 20 = 40 marks)

1. Write an essay on the origin, evolution and classification of Ostracoderms
2. Compare and bring out the evolutionary significance of the respiratory systems of the major groups of invertebrates and chordates.
3. Explain in detail the origin, ancestry and evolution of chordates with reference to Geological time scale.
4. Explain in detail the Rotifers and bring out their systematic position.

 

 

Go To Main Page

 

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

GA 16

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – November 2008

    ZO 1807 – PHYLOGENY OF INVERTEBRATA AND CHORDATA

 

 

 

Date : 04-11-08                 Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

Section-A

 

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

1. Differentiate enterocoelic coelom from schizocoelic coelom.
2. Give the dental formulae of rat, dog, squirrel and man.
3. Comment on hydatid cyst.
4. Define metamerism and cephalisation.
5. Palaeospondylus is a paleontological question mark. Substantiate
6. Planaria is immortal under the edge of the knife. Substantiate.
7. Define the law of adaptive radiation.
8. Write a short note on the structure and function of synsacrum.
9. What is shell lac?
10. Limulus is a living fossil. Justify.

 

Section-B

Answer any FOUR                                                                         (4 x 10=40 Marks)

11. Give an account of echinoderm larvae.
12. Explain the structure and affinities of Pogonophora..
13. Write an account on prawn culture.
14. Write notes on migration in birds?
15. Relate the structure and function of heart in vertebrates.
16. Explain social life in termites.

Section-C

Answer any TWO                                                                           (2 x 20=40 Marks)

17. Write an essay on coral reefs and their significance
18. Give an account of the economic importance of chordates.
19. Explain the structural and functional modifications, and pathogenecity of any four

helminth parasites.

20. (a) What are ostracoderms. (3)

(b) Explain in detail the origin, classification and evolution of  Gnathostomata        (17)

 

 

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 – APRIL 2011

ZO 1813 – PHYLOGENY OF INVERTEBRATA AND CHORDATA

 

 

Date : 20-04-2011             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

                                                       

                                                                    PART-A

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

1.Write notes on

(a) Ganoid Scales  (b) Down Feathers.

2.Write the Dental Formulae of the following:

(a) Man  (b) Dog  (c) Cat  (d) Tiger.

3.Give any four Economic Importance of Invertebrates.

4.Explain the Pathogenecity of the following:

(a) Taenia solium  (b)Ascaris lumbricoides

5.Give the Zoological names of the following:

(a) Garden Lizard  (b) Rat  (c) Shark  (d) Lion

6.Define the following:

(a) Morphallaxis  (b) Epimorphosis

7.Distinguish Adaptation from Adaptive Radiation.

8.Write short notes on:

(a) Air sacs  (b) Flame cells.

9.Define:

(a) Nephridia  (b) Sericulture.

10.Mention any four Affinities of Cephalochordates.

 

PART-B

(Answer any Four questions)                                                                        (4×10 = 40 Marks)

11.Write a paragraph on the Larval Forms of Echinoderms.

12.Give an account of the Origin , Ancestry and Evolution of Chordates with reference to

Geological Time Scale.

13.Explain in detail the Minorphyla-Rotifera.

14.Compare and bring out the Phylogenetic significance of heart of Chordates.

 

15.Briefly explain the Adaptive Radiation of Birds.

16.Discuss in detail the Life Cycle of Plasmodium.

 

PART-C

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

17.Compare and contrast the Respiratory System of  Invertebrates and elaborate its    Phylogenetic Significance.

 

18.What are Ostracoderms? Classify and explain the Origin and Evolution of Ostracoderms.

 

19.Give an account of Apiculture.

 

20.Describe the following:

(a)Migration of birds  (b)Affinities of Urochordates  (c)Adaptive Radiation of Mammals.

 

 

Go To Main page

 

 

Go To Main page

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – APRIL 2012

ZO 1813 – PHYLOGENY OF INVERTEBRATA AND CHORDATA

 

 

Date : 25-04-2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

Part-A

 

Answer ALL the questions.  Each question carries TWO marks.                           (10 × 2 = 20 Marks)

 

1. What are the causative agents and vectors of Taenia solium and Wuchereria?
2. Write the dental formulae of Cow and Horse.
3. Give the zoological terms of the following
4. a) Peacock b) Rabbit c) Dog    d) Pigeon
5. Explain the significance of Prawn culture.
6. Define Cephalization.
7. Comment on Epimorphosis and Morphallaxis.
8. Write the systematic position of Pogonophora.
9. What are heterocercal and reversed heterocercal?
10. What is pigeon’s milk?
11. Classify placenta based on histology.

Part-B

 

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

 

 

11. What are coral reefs? Explain their significance.
12. Explain the affinities and systematic position of Rotifera.
13. What is adaptive radiation? Explain the adaptive radiation in bony fishes and elasmobranchs.
14. Write a paragraph on the different larval forms of crustacean.
15. Give an account of the economic importance of chordates.
16. Explain in detail the migration of birds.

Part-C

 

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

 

 

17. Explain the Life cycle, Pathogenecity, Prevention and control of the parasites Entamoeba and Leishmania.
18. What are Ostracoderms? Classify and explain the class Agnatha.
19. Write a comparative account and evolutionary significance of the brain of Invertebrates and Vertebrates.
20. Define Geological Time Scale and explain the origin ancestry and evolution of Chordates as per Geological Time Scale.

 

 

Go To Main page

Go To Main Page