B.Sc. Zoology Question paper

Loyola College B.Sc. Zoology April 2003 Physiology Question Paper PDF Download

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LOYOLA  COLLEGE (AUTONOMOUS), CHENNAI-600 034.

B.Sc. DEGREE  EXAMINATION  – ZOOLOGY

third SEMESTER  – APRIL 2003

ZO 3500/ zoo 504 – physiology                           

04.04.2003

1.00 – 4.00                                                                                           Max : 100 Marks

 

 

PART – A                       (10 ´ 2 = 20 Marks)

 

Answer ALL the following questions.

 

  1. What is the function of syrinx?
  2. Comment on positive water balance.
  3. What are polysaccharides?
  4. Define Nucleo protein.
  5. How fatty acids are formed?
  6. Name the antisterilitic vitamin.
  7. Comment on osmoconformer.
  8. Define ureotelism?
  9. Name two muscle proteins.
  10. Define the term reflex action.

 

 

PART – B                         (4 ´ 10 = 40 Marks)                    

         Answer any four of the following

 

  1. What are respiratory pigments? Explain.
  2. Give an account of fat soluble vitamins.
  3. Explain different excretory organs in mammals.
  4. Give an account on functions of gut.
  5. Explain the importance of water.
  6. Describe composition and functions of blood.

 

PART – C                       (2 ´ 20 = 40 Marks)

        Answer any two of the TWO of the following

 

  1. Write an essay on methbolism of carbohydrate.
  2. Give an account of respiratory organs in various animals.
  3. Explain osmotic and ionic regulations in animals.
  4. Describe muscle proteins and energetics of contraction.

 

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Loyola College B.Sc. Zoology April 2003 Invertebrata Question Paper PDF Download

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LOYOLA  COLLEGE (AUTONOMOUS), CHENNAI-600 034.

B.Sc. DEGREE  EXAMINATION  – ZOOLOGY

first SEMESTER  – APRIL 2003

ZO 1500  ZOO 500 invertebrata

05.04.2003

1.00 -4.00                                                                                           Max: 100 Marks

 

PART – A                             (10 ´ 2 = 20 Marks)

 

Answer ALL the questions in each two or three sentences:

 

  1. What is cyclosis?
  2. How are corals reefs formed?
  3. What is parapodium? Mention the functions.
  4. What is Hirudin?
  5. What is petasma?
  6. What is radula?
  7. What is nephridium?
  8. Comment on ink sac.
  9. What is cysticercus?
  10. What is pedipalp and mention its function?

 

 

 

PART – B                              (4´ 10 = 40 Marks)

 

Answer any FOUR of the following

 

  1. Draw neat diagrams of T.S of Nereis and Leech and label the parts.
  2. Explain the different types of reproduction in Paramecium.
  3. Discuss briefly the life history of Ascaris.
  4. Explain the characteristics of Peripatus and its significance.
  5. Explain with suitable diagram two types of mouth parts in insects.
  6. Explain the respiratory mechanism in Pila.

 

           

PART – C                          (2´ 20 = 40 Marks)                   

Answer any two of the following

 

17.  What is alternation of generation? Explain with a suitable example.

  1. Discuss the structure and function of water vascular system in starfish.
  2. Write an essay on metamerism in Annelida.
  3. Give an account of nematode parasites of man.

 

 

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Loyola College B.Sc. Zoology April 2003 Environmental Biology Question Paper PDF Download

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LOYOLA  COLLEGE (AUTONOMOUS), CHENNAI-600 034.

B.Sc. DEGREE  EXAMINATION  – ZOOLOGY

fourth SEMESTER  – APRIL 2003

ZO 4501/ ZOO 507 environmental  biology    

16.04.2003

9.00 – 12.00                                                                                        Max : 100 Marks

 

 

SECTION – A                                (10 ´ 2 = 20 marks)

  1. Answer ALL the following questions.

 

  1. Distinguish phototaxis from photokinesis.
  2. What is Division of Labour? Give an example.
  3. Define the term Ecological niche with an example.
  4. What is Ecotone?
  5. Distinguish holoplankton from meroplankton.
  6. What is biological magnification?
  7. What is synergism? Give an example
  8. What is global warming?
  9. What is Pedology?
  10. What is Cyclomorphosis?

 

SECTION – b                                 (4 ´ 10 = 40 Marks)

answer any four of the following.

  1. Give an account of biological effects of temperature.
  2. What are ecological pyramids? Describe the different pyramids.
  3. Explain the biological attributes of animal population.
  4. Describe the nitrogen cycle with a flow chart.
  5. Give an account of sanctuaries and national parks of India.
  6. a) What is Chronobiology? Explain
  7. What is food chain? Describe

 

SECTION– C                                 (2 ´ 20 = 40 Marks)

Answer any TWO of the following.

 

  1. What is Interspecific Relationship? Classify them with suitable examples.
  2. Describe components of an ecosystem with pond as an example.
  3. What are pollutants? Explain in detail air pollution and its effects on biota.
  4. Give an account of adaptations of rocky shore fauna.

 

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Loyola College B.Sc. Zoology April 2003 Embryology And Evolution Question Paper PDF Download

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LOYOLA  COLLEGE (AUTONOMOUS), CHENNAI-600 034.

B.Sc. DEGREE  EXAMINATION   – zoology

fourth SEMESTER  – APRIL 2003

ZO 4500/ZOO 506 – embRyology and evolution      

11.04.2003

9.00 -12.00                                                                                                        Max : 100 Marks

 

 

SECTION – A                               (10 ´ 2 = 20  Marks)

Answer ALL questions

  1. Define the term ‘vitellogenesis’.
  2. What is spermiogenesis?
  3. Comment on neural crest cells.
  4. With one suitable example explain embryonic induction.
  5. What do you mean by transgenic animals?
  6. Differentiate organic evolution from inorganic evolution.
  7. What are homologous organs? Give one example.
  8. List any four vestigial organs in man
  9. Comment on Mesozoic era.
  10. Define the law of Adaptive Radiation.

 

            Section – B                                 (4 ´ 10 = 40 Marks)

Answer any FOUR questions.

 

  1. Write notes on nuclear transplantation.
  2. Categorise the eggs of chordates. Illustrate your answer.
  3. What are fate maps? Explain the fate maps of frog and chick.
  4. Explain the naturally available fossil records.
  5. With suitable diagrams explain evolutionary convergence and parallelism.
  6. Mention the contributions of any four 4 Neol

 

 

SECTION – C                                  (4 ´ 10 = 40 Marks)

answer any TWO questions.

 

  1. Write an essay on fertilization and mention the theories on fertilization.
  2. Explain the development of brain in vertebrates with illustrations.
  3. Discuss the role of isolating mechanisms in speciation.
  4. Trace evidences from physiology and biochemistry in favour of the theory of organic evolution.

 

 

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Loyola College B.Sc. Zoology April 2003 Chordata Question Paper PDF Download

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LOYOLA  COLLEGE (AUTONOMOUS), CHENNAI-600 034.

B.Sc. DEGREE  EXAMINATION  – ZOOLOGY

SECOND  SEMESTER  – APRIL 2003

ZO 2500/ ZOO 502 – CHORDATA

23.04.2003

9.00 -12.00                                                                                       Max : 100 Marks

 

 

PART – A                                       (10 ´ 2 = 20 Marks)

 

  1. Answer ALL the following questions.

 

  1. Give the outline classification of class Reptilia.
  2. Draw a neat labelled pectoral girdle of varanus.
  3. What is a wheel organ?
  4. Comment on placoid scale.
  5. List four flightless birds.
  6. Give the dental formula of dog and man.
  7. What is a synsacrum?
  8. What are accessory respiratory organs? Give two examples.
  9. Comment on Hippocampus.
  10. Give the modifications of Draco volans.

 

PART – B                                        (4 ´ 10 = 40 Marks)

II   Answer any FOUR of the following.

 

  1. Explain the arterial system of shark.
  2. Briefly explain jaw suspensions.
  3. What is retrogressive metamorphosis? Explain with reference to Ascidia.
  4. Illustrate the male and female urinogenital systems of Calotes.
  5. Describe the venous system of rat.
  6. Briefly explain the different types of respiration in frog.

 

 

PART – C                                       (2 ´ 20 = 40 Marks)

III  Answer any TWO of the following

 

  1. Explain the organisation and affinities of Amphioxus.
  2. Write an essay on migration of birds.
  3. Parental care is exhibited by amphibians –
  4. a) Give the key to identification of poisonous and non poisonous snakes?

b)Give an account on snakevenom and biting mechanism.

 

 

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Loyola College B.Sc. Zoology Nov 2003 Genetics Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI– 600 034

B.Sc. DEGREE EXAMINATION  –     ZOOLOGY

fifth SEMESTER  – NOVEMBER 2003

ZO 5501/ ZOO  510   genetics

05.11.2003                                                                                        Max: 100 Marks

1.00  – 4.00

 

PART – A                            

Answer ALL questions                                                            (10 ´ 2 = 20 Marks)

 

  1. Define a) gene      b) Chromosome
  2. What is erythroblastosis soetalis?
  3. Write a note on a) cistron    b) recon
  4. Define a) antigen    b) antibody
  5. What is a plasmid?
  6. Write any two advantages of outbreeding.
  7. Define a) genotype     b) phenotype
  8. Give any two principles of bioinformatics.
  9. What is amnioentesis
  10. What is a Lysogenic bacteria?

 

PART – B

Answer any four questions                                                  (4 ´ 10 = 40 Marks)

  1. Explain Mendel’s law of independent assortment with an example.
  2. Explain in detail the maternal inheritance.
  3. Give an account on genetic counselling and planned genotypes.
  4. Give an account of Hardy – Weinberg’s equilibrium with a suitable example.
  5. Explain antigen-antibody reaction.
  6. Give an account on phage infection.

PART – C                             (2 ´ 20 = 40 Marks)

Answer any two questions

  1. Define multiple alleles.   Explain multiple alleles in detail

with suitable examples.

 

  1. Write an essay on microbial genetics.
  2. Give an account of inherited metabolic disorders in man.
  3. Write an essay on interaction of genes with examples.

 

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Loyola College B.Sc. Zoology Nov 2003 Chordata Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI– 600 034

B.Sc. DEGREE EXAMINATION  –     ZOOLOGY

SECOND SEMESTER  – NOVEMBER 2003

ZO 2500/ ZOO 502  CHORDATA

01.11.2003                                                                                       Max: 100 Marks

1.00 – 4.00

 

 part – a   

I        Answer ALL the following questions                               (10 ´ 2 = 20 Marks)

  1. Give the characteristic features of chordates.
  2. List four flightless birds.
  3. Comment on Narcine.
  4. Draw a neat labelled pectorlal girdle of varanus.
  5. What is  synsacrum?
  6. Give the adaptations of Draco volans.
  7. What is Hatchek’s pit?
  8. What are accessory respiratory organs?  Give an example.
  9. Comment on cycloid scale.
  10. Give the dental formula of rabbit and man.

 

PART – B

II       Answer any four of the following                               (4 ´ 10 = 40 Marks)

 

  1. What is retrogressive metamorphosis?  Explain with reference to Ascidia.
  2. Give an account of snake venom and biting mechanism.
  3. Explain the arterial system of shark.
  4. Give an account of male and female urinogenital system of rat.
  5. Briefly explain the different types jaw suspensions.
  6. Describe the venous system of Calotes.

 

PART – C

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

  1. Write an essay on migration of birds.
  2. Write an essay on parental care in fishes.
  3. Explain the organization and affinities of Amphioxus.
  4. Explain the different types of respiration in frog.

 

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Loyola College B.Sc. Zoology Nov 2003 Biotechnology Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI– 600 034

B.Sc. DEGREE EXAMINATION  –     ZOOLOGY

fifth SEMESTER  – NOVEMBER 2003

ZO 5502/ ZOO  514  biotechnology

07.11.2003                                                                                        Max: 100 Marks

1.00  – 4.00

 

                                                PART – A                

Answer ALL questions.                                                           (10 ´ 2 = 20 Marks)

  1. Comment on Established cell line.
  2. What are primary metabolites?
  3. What are Restriction endonucleases?
  4. What is Hybridoma?
  5. Define plasmid.
  6. Comment on Biosensors.
  7. Define ‘Shot gun cloning’.
  8. Comment on ‘Vaccines’?
  9. What is micropropagation?
  10. Comment on ‘Bio Chips’.

 

PART – B

Answer any FOUR questions.                                                 (4 ´ 10 = 40 Marks)

  1. Describe the process of indirect cloning.
  2. Bring out basics of animal tissue culture and its uses.
  3. Describe intellectual property rights and patent law.
  4. Describe Indian scenario of Biotechnology.
  5. What is Monoclonal antibody? Bringout out its uses.
  6. Explain the role of biotechnology in aquaculture.

 

PART – C                           

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

  1. Bringout the applications of biotechnology on environment.
  2. Write on essay an biotechnology and Agriculture.
  3. Discuss ‘Health care biotechnology’.
  4. Give an account of secondary metabolites.

 

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Loyola College B.Sc. Zoology April 2006 Physiology Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034

B.Sc. DEGREE EXAMINATION –  ZOOLOGY

ZO 3500/ ZOO 504 PHYSIOLOGY

21.04.2004

1.00 –4.00                                                                                         Max. 100 Marks

 

 

SECTION – A                        (10 ´ 2 = 20 Marks)

Answer All questions

  1. Differentiate omnivores and carinivores.
  2. What are simple proteins? Give example.
  3. Comment on steroids.
  4. What is Pellagra?
  5. Define Ammoniotelic. Give example.
  6. What are Macrophagus animals?
  7. Explain aerobic and anaerobic respiration.
  8. Mention the function of actin.
  9. What is reflex action?
  10. Define peristalysis.

 

 

SECTION -B                                               (4 ´ 10 = 40 Marks)

Answer any FOUR questions.

  1. Write notes on muscle proteins and energetics of contraction.
  2. Explain circadian and biological clocks.
  3. Give an account of respiratory pigments.
  4. Write the significant aspects of water.
  5. Give an account of monosaccharides.
  6. Write a paragraph on water soluble vitamins.

 

 

SECTION – C                               (2 ´ 20 = 40 Marks)

Answer any TWO questions.

  1. Explain the different types of excretory organs in mammals.
  2. Describe Hormones and Neurohormones.
  3. Write an essay on the different types of respiratory organs in various animals.
  4. Give an account of feeding mechanism, digestive enzymes and the process of digestion.

 

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Loyola College B.Sc. Zoology April 2006 Wildlife Management And Bio-Diversity Question Paper PDF Download

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             LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 16

SIXTH SEMESTER – APRIL 2006

                                 ZO 6601 – WILDLIFE MANAGEMENT AND BIO-DIVERSITY

(Also equivalent to ZOO 601)

 

 

Date & Time : 21-04-2006/9.00-12.00         Dept. No.                                                       Max. : 100 Marks

 

 

Part A                                     (Answer All)                          10 X 2 = 20

  1.  Comment on Chipko movement.
  2. What is taxidermy?
  3. Explain the following: IUCN, WWF, CZM and MoEF.
  4. Comment on Agenda 21.
  5. What is artificial insemination and how it is useful?
  6. Explain the cold desert and its distribution.
  7. Mention the importance of Wildlife Act 1972.
  8. Define the process of granulation and inclusion.
  9. Define Biomagnification.
  10. List out contributions of a tree to society.

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

  1.  Explain why we should conserve our Natural resources.
  2. Discuss briefly protection of wildlife from poachers.
  3. How domesticated biodiversity is important? Discuss.
  4. Discuss the importance of mangrove ecosystem and its signification.
  5.  India is a Mega Biodiversity pool – Discuss
  6.  Evaluate the factors that disturb the wildlife.

 

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

  1.  Discuss in detail the composition, powers and functions of Central Zoo authority.
  2. What is the current status of tiger population in India with reference to Sariscar wildlife sanctuary? Add a note on the report of Mrs. Sunita Narayan.
  3. Discuss any three sanctuaries in Tamil Nadu with note on the distribution of wildlife.
  4. Describe the methods in promotion of conservation strategy.

 

 

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Loyola College B.Sc. Zoology April 2006 Physiology Question Paper PDF Download

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             LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – ZOOLOGY

THIRD SEMESTER – APRIL 2006

                                                                 ZO 3500 – PHYSIOLOGY

(Also equivalent to ZOO 504)

 

 

Date & Time : 18-04-2006/AFTERNOON   Dept. No.                                                       Max. : 100 Marks

 

 

Part A                                    (Answer All)                         10 X 2 = 20

 

  1. Enlist the functions of liver.
  2. What is peristalysis?
  3. Comment on steroids.
  4. What is reflex action?
  5. Differentiate rickets from osteomalacia.
  6. What is anoxia?
  7. Comment on blood plasma.
  8. What are osmoconformers?
  9. What is positive water balance?
  10. Mention the endocrine functions in the pancreas.

 

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

 

  1. Explain the various functions of the blood.
  2. Enlist the respiratory pigments and write an account of the same.
  3. Write notes on urine formation and its elimination in mammals.
  4. Classify the proteins based on its nature.
  5. Explain the mechanisms of osmoregulation the marine animals.
  6. Write down the various functions of gut.

 

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

  1. Give an account of the different types of excretory organs and nitrogenous products.
  2. Discuss food as a source of energy to animals.
  3. Define respiration. Discuss the various respiratory organs and their functions.
  4. Describe the muscle proteins and energetics of muscle contraction.

 

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Loyola College B.Sc. Zoology April 2006 Immunology Question Paper PDF Download

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             LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – ZOOLOGY

FIFTH SEMESTER – APRIL 2006

                                                                ZO 5401 – IMMUNOLOGY

(Also equivalent to ZOO 401)

 

 

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

 

 

Part A                            (Answer All)                            10 X 2 = 20

 

  1. What is meant by immune response?
  2. Comment on HAT medium.
  3. Write a note on lymph node.
  4. Comment on peyer’s patches.
  5. What is meant by zenograft?
  6. What are interferons?
  7. Differentiate acquired from natural immunity.
  8. Comment on natural killer cells?
  9. What is whooping cough?
  10. Define antibody.

 

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

 

  1. Write a note on B and T lymphocytes.
  2. Classify immunoglobulins according to structure and function
  3. Write a note on production of monoclonal antibody .
  4. Explain different types of lymphoid organs in man.
  5. Write a note on bacterial infections and immunity.
  6. Explain vaccines and their preparation.

 

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

  1. Write an essay on viral infections in man.
  2. Explain in detail the sequences in transplant rejection.
  3. Write an essay on AIDS and its present status in India.
  4. Explain the scheme of haemopoiesis and its significance.

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Loyola College B.Sc. Zoology April 2006 Environmental Management And Eco. Methods Question Paper PDF Download

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             LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – ZOOLOGY

SIXTH SEMESTER – APRIL 2006

                        ZO 6600 – ENVIRONMENTAL MANAGEMENT AND ECO. METHODS

(Also equivalent to ZOO 600)

 

 

Date & Time : 19-04-2006/FORENOON     Dept. No.                                                       Max. : 100 Marks

 

 

Part A                                          (Answer ALL)                                         10 ´ 2 = 20

 

  1. What is elutriation?
  2. Comment on “Acid rain”.
  3. Bring our Breeder’s equation.
  4. What is edge effect?
  5. What is Bioconcentration?
  6. Define food chain.
  7. Comment on inexhaustible energy.
  8. Define “Half life”.
  9. What is noise pollution?
  10. What is global warming?

 

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

  1. Bring out the importance of sustainable development.
  2. Give an account of solar and wind power.
  3. Describe the impacts of radioactive pollution.
  4. Bring out the applicability of behavioural method of extraction.
  5. Describe the ill effects of deforestation.
  6. Describe what is air pollution.

 

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

  1. Form an essay on mechanical methods of extraction.
  2. Discuss the ill effects of water pollution.
  3. Form an essay on absolute and relative population.
  4. Bring out the importance of conservation of natural resources.

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Loyola College B.Sc. Zoology April 2006 Genetics Question Paper PDF Download

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             LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 12

FIFTH SEMESTER – APRIL 2006

                                                                   ZO 5501 – GENETICS

(Also equivalent to ZOO 510)

 

 

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. What are multiple alleles?
  2. Differentiate sex-linked genes from sex-limited genes.
  3. Distinguish transitions from transversions.
  4. Explain the terms cistron and recon?
  5. Categorise DNA polymerases and mention their role.
  6. Comment on erythrobalstosis foetalis.
  7. Define heterosis.
  8. Who are Klinefelters’?.
  9. What are lytic and lysogenic life cycles?
  10. Comment on “Feulgen staining”

 

 

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

  1.  Briefly explain Hardy Weinberg equilibrium.
  2. Categorise numerical and structural changes in chromosomes.
  3. Explain bacterial conjugation.
  4. Write notes on amniocentesis.
  5.  Describe the inherited metabolic disorders in man.
  6.  Critically evaluate the ethical implications of biotechnology.

 

 

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

  1.  With suitable example explain Mendelian principles.
  2. DNA is the genetic material – Justify.
  3. Write an essay on maternal effects and cytoplasmic inheritance.
  4. Elaborate (1) Operon model of gene regulation   (2) Human genome project.

 

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Loyola College B.Sc. Zoology April 2006 Environmental Biology Question Paper PDF Download

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             LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 9

FOURTH SEMESTER – APRIL 2006

                                                  ZO 4501 – ENVIRONMENTAL BIOLOGY

(Also equivalent to ZOO 507)

 

 

Date & Time : 27-04-2006/9.00-12.00         Dept. No.                                                       Max. : 100 Marks

 

 

Part A                                     (Answer All)                                      10 ´ 2 = 20

  1. Distinguish autcology from synecology.
  2. Define the term: Thermocline.
  3. What is division of labour? Give an example.
  4. What is meant by Shelford’s law of tolerance?
  5. What is a sere and a seral stage?
  6. Distinguish grazing food chain from detritus food chain.
  7. What is a holoplanklton? Give an example.
  8. What are endangered species? Give two examples.
  9. What is synergism?
  10. Define the term: Exobiology.

 

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

  1. Describe biological effects of temperature.
  2. Give an account of social life in honeybees.
  3. Explain types of ecological pyramids.
  4. Give an account on adaptations of rocky shore fauna.
  5. Describe nitrogen cycle with a flow chart.
  6. Tabulate different types of natural resources and their importance.

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

  1. Write an essay on interspecific animal relationship with suitable examples.
  2. Give an account on pond as an ecosystem.
  3. Explain biological attributes of animal population.
  4. Describe the various methods of conservation of natural resources.

 

 

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Loyola College B.Sc. Zoology April 2006 Embryology And Evolution Question Paper PDF Download

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             LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 8

FOURTH SEMESTER – APRIL 2006

                                              ZO 4500 – EMBRYOLOGY AND EVOLUTION

(Also equivalent to ZOO 506)

 

 

Date & Time : 25-04-2006/9.00-12.00         Dept. No.                                                       Max. : 100 Marks

Part A                                     (Answer All)                          10 ´ 2 = 20

  1. Comment on thelytoky.
  2. Define vitellogenesis
  3. Differentiate epiboly from emboly.
  4. What do you mean by otocyst?
  5. Comment on primordial germ cells.
  6. Differentiate organic evolution from inorganic evolution.
  7. With one suitable example explain Batesian mimicry.
  8. What are living fossils?
  9. Bring out the biological significance of Mesozoic era.
  10. Define Biogenetic law.

 

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

 

  1. Describe spermatogenesis.
  2. Briefly explain development in sponges.
  3. What is a fate map? Explain the same with an example.
  4. Write notes on animal colouration.
  5. Categorise modes of speciation.
  6. Write notes on : (1) Biochemical recapitulation (2) Biochemical metamorphosis.

 

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

 

  1. Write an essay on fertilization and add a note on theories of fertilization.
  2. Trace the development of eye in a vertebrate.
  3. Categorise mutations and explain their role in evolution.
  4. Assess the nature and significance of available fossil records.

 

 

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Loyola College B.Sc. Zoology April 2006 Economic Entomology Question Paper PDF Download

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             LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 14

FIFTH SEMESTER – APRIL 2006

                                                    ZO 5504 – ECONOMIC ENTOMOLOGY

(Also equivalent to ZOO 516)

 

 

Date & Time : 27-04-2006/1.00-4.00 P.M.   Dept. No.                                                       Max. : 100 Marks

 

 

PART – A

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

  1. What is Lac?
  2. Comment on Antifeedants.
  3. Name any four household insect pests.
  4. What is stifling?
  5. Comment on stone weevil.
  6. What is head maggot?
  7. Comment on white grubs.
  8. Comment on fruit sucking moth.
  9. What are pheromone traps?
  10. Expand: ICAR & ETL.

PART – B

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

  1. Describe the procedure involved in dry mount of insects.
  2. How mosquitoes are harmful to man? Justify.
  3. Give an outline classification of the class Insecta.
  4. Describe the life cycle of rhinoceros beetle and its control.
  5. Give an account on locusts and their control.
  6. Describe any three insect pests of stored products and their control.

PART – C

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

  1. Give  an account of Apiculture.
  2. Write an essay on biological control of insect pests.
  3. Give a detailed account on insecticides.
  4. Write short notes on:
  1. Red hairy caterpillar and its control.
  2. IPM with reference to insect pests of rice.

 

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Loyola College B.Sc. Zoology April 2006 Cell Biology Question Paper PDF Download

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             LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 11

FIFTH SEMESTER – APRIL 2006

                                                               ZO 5500 – CELL BIOLOGY

(Also equivalent to ZOO 509)

 

 

Date & Time : 20-04-2006/AFTERNOON   Dept. No.                                                       Max. : 100 Marks

 

 

 

Part A                                     (Answer All)                          10 X 2 = 20

 

  1.  Mention the discoverers of the following

(a) Nucleolus               (b) lysosome.

  1. What do you mean by resolving power of microscope?
  2. Explain the terms micron and angstrom units.
  3. State the significance of sedimentation coefficient.
  4. What are peroxysomes?
  5. Differentiate euchromatin from heterochromatin.
  6. What is oxidative phosphorylation?
  7. Comment on nucleolar organizer.
  8. Distinguish haplosis from meiosis.
  9. Give two examples for each

(a) Fixative                  (b) Vital stain.

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

 

  1.  Explain the principle involved in electron microscopy.
  2. Briefly describe one suitable method for animal cell culture.
  3. Write notes on giant chromosomes and illustrate.
  4. Elucidate membrane permeability and transport.
  5.  With suitable illustrations explain polymorphism in lysosomes.
  6.  Highlight the sequential changes in Prophase I of Meiosis.

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

  1.  Write an essay on biosynthesis of protein.
  2. Discuss cytology of cancer.
  3. Explain the colloidal properties of protoplasm.
  4. Write notes on (1) Membrane models   (2) Endoplasmic reticulum.

 

 

 

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Loyola College B.Sc. Zoology April 2006 Biotechnology Question Paper PDF Download

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             LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – ZOOLOGY

FIFTH SEMESTER – APRIL 2006

                                                            ZO 5502 – BIOTECHNOLOGY

(Also equivalent to ZOO 514)

 

 

Date & Time : 25-04-2006/1.00-4.00 P.M.   Dept. No.                                                       Max. : 100 Marks

 

 

Part A                                     (Answer All)                          10 X 2 = 20

  1. What are plasmids?
  2. Comment on restriction enzymes.
  3. Write a note on “Bacteriophages”
  4. What do you mean by biodegradation?
  5. What is an explant?
  6. What is shot gun cloning?
  7. Comment on gene amplification.
  8. What are primary metabolites?
  9. Comment on “Transgenic animals”
  10. Write a note on bacterial vaccines.

 

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

  1. Bring out the physical and restriction map of PBR 322.
  2. Explain the characteristics of primary and established cell lines.
  3. Describe the role of biotechnology in agriculture.
  4. Describe what are secondary metabolites.
  5. What are monoclonal antibodies? Bring out its uses.
  6. What is gene therapy? Write its uses.

 

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

  1. Write an essay on technological uses of animal tissue culture.
  2. Discuss what are bioreactors.
  3. Discuss how microbes are useful in pollution abatement.
  4. Write an essay on indirect cloning strategies.

 

 

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Loyola College B.Sc. Zoology April 2006 Bioinformatics Question Paper PDF Download

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             LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – PHYSICS & PLANT BIOLOGY

TS 7

FOURTH SEMESTER – APRIL 2006

                                                            ZO 4202 – BIOINFORMATICS

 

 

Date & Time : 22-04-2006/9.00-12.00         Dept. No.                                                       Max. : 100 Marks

 

 

Part A                                     (Answer All)                          10 X 2 = 20

  1. Mention any two-sequence database.
  2. Define BLAST.
  3. Comment on Protein data bank.
  4. What are Open reading frames?
  5. Mention the importance of Molecular visualization tools.
  6. What is data mining?
  7. Mention any two Sequence Analysis tools.
  8. Comment on FASTA.
  9. What are Accession number and PDBID?
  10. Mention the significance of Phylip.

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

  1. Explain the importance of Data mining analysis in biological research.
  2. Highlight on Sequence retrieval and analysis.
  3. Outline the different types of Biological databases.
  4. Write notes on few Protein structure Prediction methods.
  5.  Describe the implications of IT in Biological sciences.
  6. What are the applications of Bioinformatics?

 

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

  1. Discuss on database and similarity search processes.
  2. How do you retrieve Protein Structure from Protein databank and add its visualization using Rasmol.
  1. Give an account on Sequence and structural Analysis tools with Protocols.
  1. How do you proceed with multiple sequence alignment? Explain the methods and Utilities.

 

 

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