LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

THIRD SEMESTER – APRIL 2006

                                        ZO 3803 – ADVANCED EVOLUTIONARY BIOLOGY

Date & Time : 17-04-2006/AFTERNOON   Dept. No.                                                       Max. : 100 Marks

Part A                                              (Answer All)                                      10 ´ 2 = 20

1. Comment on agnostic period in the history of evolutionary thought.
2. List down the contributions of Jean B. Lamarck.
3. Explain Batesian mimicry.
4. What do you mean by co-evolution?
5. Enumerate the evolutionary significance of Mesozoic era.
6. Comment on biochemical recapitulation.
7. What are CITROENS?
8. Write a note on atavism.
9. Explain evolutionary constancy with a suitable example.
10. Comment on Orthogenesis.

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

11. Categorise the available fossil records.
12. Explain the evolutionary role of point mutations.
13. Write notes on Neo-Lamarckism.
14. Hybridization is an evolutionary catalyst – Justify.
15. Enumerate the importance of prospective adaptations.
16. Briefly discuss Hardy – Weinberg law.

Part C                                          (Answer any Two)                                 2 ´ 20 = 40

17. Categorise natural selection and discuss their role in evolution.
18. Write an essay on speciation.
19. Discuss the fossil records of man.
20. Write notes on : (1) Evolution of eukaryotes (2) Sexual selection.

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                        LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – NOV 2006

ZO 1809 – ADVANCED EVOLUTIONARY BIOLOGY

Date & Time : 31-10-2006/1.00-4.00    Dept. No.                                                       Max. : 100 Marks

PART A

(Answer all)                                                                                                10 x 2 = 20

1. Differentiate neoteny from paedogenesis
2. What is Darwinian fitness?
3. What are cannon and splint bones?
4. Comment on genetic inertia
5. Enumerate the evidences to prove the fact that the primitive atmosphere lacked free oxygen
6. Characterise the ‘Period of Reaction’ in the history of evolutionary thought
7. Antibiotics exert a strong evolutionary force’. Substantiate
8. What is atavism?
9. What are ichnofossils?
10. Comment on the first authentic hominid fossil from India

PART B

(Answer any four)                                                                                   4 x 10 = 40

1. Explain neolamarckism
2. Briefly describe the methodologies employed in dating the fossils
3. With suitable examples explain co-evolution
4. Elaborate the importance of numerical changes in chromosomes
5. Write notes on polymorphism and evolution
6. An organ is homologous with another because of what it is, not because of what it does. Substantiate

PART C

(Answer any two)                                                                                    2 x 20 = 40

1. The evolution of a trait through natural selection could be substituted by the evolution of a trait through social selection – Discuss
2. Categorise isolating mechanisms and discuss their role in speciation
3. Enumerate the recent concepts of recapitulation theory
4. Write notes on (i) hybrid speciation and (ii) Animal Colouration

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – APRIL 2007

ZO 1809 – ADVANCED EVOLUTIONARY BIOLOGY

Date & Time: 30/04/2007 / 1:00 – 4:00      Dept. No.                                       Max. : 100 Marks

Part A                                                 (Answer all)                           10 X 2 = 20

1. Comment on evolutionary constancy
2. Distinguish palingenetic and coenogenetic characters
3. What do you mean by ‘the survival of the fittest’?
4. Critically evaluate the ‘Big Bang Theory’
5. Explain transient polymorphism
6. Differentiate eugenics from euphenics
7. What are sibling species?
8. What are Robertsonian changes?
9. Define anagenesis
10. What is introgressive hybridization?

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

1. Explain the origin of eukaryotes
2. Trace the major events in mesozoic era
3. Assess the evolutionary significance of prospective adaptations
4. Evaluate the role of prezygotic isolating mechanisms
5. With suitable examples explain biochemical metamorphosis and biochemical recapitulation
6. Comment on the contributions of (a) Cuvier (B) Lamarck (c) Linnaeus and (d) Weismann

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

1. ‘Natural Selection operates in modern mankind’ – Justify
2. ‘Larval novelties may give rise to a new major line in evolution.’ Substantiate
3. Discuss in detail the evolutionary significance of animal colouration and mimicry
4. Write notes on (i) Nature of fossils and (ii) Evolutionary significance of gene mutation

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – APRIL 2008

    ZO 1809 – ADVANCED EVOLUTIONARY BIOLOGY

Date : 03/05/2008            Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

SECTION-A

Answer ALL the questions                                                                   (10 × 2 = 20)

1. The Big Bang theory is the most widely accepted one – Justify
2. What do you mean by atavism?
3. Comment on sibling species
4. What are Gamma gardens?
5. Characterise the ‘Agnostic period’
6. Differentiate ‘living fossils’ from ‘fossils of the living beings’
7. List down any 8 vestigial organs in Homo sapiens
8. Distinguish transition from transversion
9. What do you mean by eutelegenesis?
10. Comment on Narmada man

SECTION-B

Answer any FOUR of the following                                                  (4 × 10 = 40)

1. Write notes on Neo-Lamarckism
2. With a suitable example explain biochemical recapitulation and biochemical metamorphosis
3. Trace the origin of eukaryotes
4. Explain the evolutionary importance of preadaptation
5. Describe the nature of fossils
6. Enumerate the impact of gene mutations on survival and reproduction

SECTION-C

Answer any TWO of the following                                                  (2 × 20 = 40)

1. Write an essay on Recapitulation theory.
2. Natural selection operates in modern mankind – Justify
3. Discuss speciation and isolating mechanisms
4. Describe genetic polymorphism with suitable examples

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – November 2008

    ZO 1809 – ADVANCED EVOLUTIONARY BIOLOGY

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

Time : 1:00 – 4:00

SECTION-A

Answer ALL the Question                                                   (10 x 2=20 Marks)

1. Comment on agnostic period.
2. LIST down any two publications of Charles R. Darwin.
3. Comment on Big Bang theory.
4. What do you mean by histometabasis?
5. Enumerate the three major characteristics of man.
6. What are γ–gardens?
7. What is evolutionary constancy?
8. What are Gamma Gardens?
9. Differentiate Batesian mimicry from Mullerian mimicry.
10. Comment on altruism.

SECTION-B

Answer any FOUR of the following                                                (4×10=40 Marks)

11. Critically evaluate neo Lamarckism.
12. Write notes on dating of fossils.
13. Categorize animal colouration.
14. Explain evolutionary convergence and parallelism.
15. Evaluate the impact of point mutations upon survival and reproduction.
16. Briefly explain the origin of eukaryotes.

SECTION-C

Answer any TWO of the following                                     (2×20=40 Marks)

17. Discuss the recent concepts of biogenetic law.
18. Write an essay on genetic polymorphism.
19. Categorize isolating mechanisms and explain their role in speciation.
20. Discuss the fossil records of man.

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – APRIL 2012

ZO 1815 – ADVANCED EVOLUTIONARY BIOLOGY

Date : 30-04-2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

            Part A               

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

1. Differentiate inorganic from organic evolution.
2. What is atavism?
3. Mention the major events during Agnostic period.
4. Distinguish analogy from homology.
5. Primeval atmosphere was anoxic. Substantiate.
6. Comment on Mesozoic era.
7. Mention any THREE important characteristics of Homo sapiens.
8. List down any EIGHT vestigial organs in man.
9. What do you mean by evolutionary convergence?
10. Differentiate transition from transversion.

Part B

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

11. Elaborate the contributions of any FOUR neo-Lamarckians.
12. Evaluate the evolutionary significance of gene mutation.
13. Explain the types of fossils.
14. Explain animal colouration.
15. Write notes on biochemical metamorphosis and biochemical recapitulation.
16. Describe pre – adaptation.

Part C

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

17. Discuss natural selection and genetic polymorphism.
18. Explain the recent concepts of biogenetic law.
19. Evaluate the role of isolating mechanisms in speciation.
20. Elaborate eugenics, euphenics and euthenics.

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

FIRST SEMESTER – NOVEMBER 2012

ZO 1821/1815 – ADVANCED EVOLUTIONARY BIOLOGY

Date : 07/11/2012            Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

Section A

Answer ALL questions:                                                                                                        10×2=20 Marks

1. Comment on cosmozoic theory.
2. Big bang theory is a tenable hypothesis. Substantiate
3. What is biochemical recapitulation?
4. Name any eight vestigial organs in Man.
5. Comment on Mesozoic era.
6. Mention three important characteristics of Homo sapiens
7. Point mutation may affect survival and reproduction. Justify
8. With a suitable example explain atavism.
9. Define co-evolution.
10. Distinguish living fossils from fossils.

Section B

Answer any FOUR questions:                                                                                            4×10=40 Marks

11. Explain origin of eukaryotes.
12. Write notes on genomatic mutations.
13. Assess the available methods of dating of rocks and fossils .
14. Describe the different categories of animal colouration.
15. Explain evolutionary convergence and parallelism.
16. Hybridization is an evolutionary catalyst. Substantiate

Section C

Answer any TWO questions:                                                                                              2×20=40 Marks

17. Discuss Lamarckian principles and neo Lamarckism.
18. Give an account of species, speciation and isolating mechanisms.
19. Describe natural selection and genetic polymorphism.
20. Explain eugenics, euthenics and euphenics.

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