ST. XAVIER'S COLLEGE (AUTONOMOUS), PALAYAMKOTTAI …

REG. NO. :

PART – A

Answer ALL the questions : (10 x 1 = 10)

1. The transmitter of ziga is

a) Aedes b) Culex

c) Anopheles d) all of these

2. Culex mosquitoes are responsible for transmitting

a) malaria b) filariasis

c) relapsing fever d) sleeping sickenss

3. The best method to control mosquitoes is

a) fumigation b) using insecticides

c) improving sanitation & sewage d) using nets

4. Albendazole is given annually as mass distribution to control

a) Alpha virus b) Plasmodium

c) Leismania d) Wuchereria

5. Sleeping sickness is transmitted through

a) mosquitoes b) house fly

c) tse-tse fly d) mites

6. Horse flies spread

a) malaria b) sleeping sickness

c) Anthrax d) Jaundice

7. One of the method to control head louse is

a) using heater b) regular hair wash

c) spraying DDT d) all the above

8. Cockroaches cause

a) leukemia b) cancer

c) allergies d) fever

9. The life cycle of tick is

a) 3 months b) 1 year

c) 2 - 4 years d)1 – 10 years

10. Relapsing fever is caused by

a) mosquitoes b) house fly

c) ticks d) spiders

ST. XAVIER'S COLLEGE (AUTONOMOUS), PALAYAMKOTTAI –

627002

SEMESTER EXAMINATIONS – APRIL/MAY – 2016

M.Sc. ZOOLOGY SEMESTER – IV

PAPER : ECC-MEDICAL ENTOMOLOGY

Time : 3 Hrs. MAX. MARKS :

100

PART – B


11. List out the breading areas of mosquitoes.

12. Any four mosquito born diseases.

13. Explain on different chemicals used to control mosquitoes.

14. Difference between malaria eradication and malarial control.

15. Control measures of Tse tse flies.

16. Adult habitat of black flies.

17. Stages of body louse.

18. What do you mean by holometabolous and hemimetabolous?

19. What are soft and hard ticks.

20. Q-fever explain.

PART – C


21. a) List down the morphological differences among Anopheles and Culex

Mosquitoes.

OR

b) Explain the causes, effects and control of dengue.

22. a) Write short notes on malarial eradication programme.

OR

b) Explain various physical methods to control mosquitoes.

23. a) With illustration explain the life cycle of cockroach

OR

b) Explain the biology of bed bug.

24. a) Discuss on various diseases transmitted through house flies.

OR

b) Name the disease, causes & effect through tse-tse fly.

25. a) How will you manage tick? Explain.

OR

b) List down the salient features of mite, Ixodid.

PART – D

Answer any THREE questions : (3 x 15 = 45)

26. With illustration explain the life cycle of malarial parasite.

27. Elaborate on various mosquito control methods.

28. Explain the medical importance of tse tse fly and its control measures.

29. Discuss the role of cockroach as carrier of diseases. Method to control them.

30. Write an essay on medical importance of ticks and mites.

REG. NO. :

PART – A

Answer ALL the questions : (10 x 1= 10)

1. ETL refers to

a) Economic Tolerance Level b) Economic Treshold Level

c) Economic Traceable Level d) Economic Treatment Level

2. Which among the following is not a secondary metabolite?

a) Flavonoids b) Alkaloids

c) Terpenoids d) Celluloids

3. Amsacta Albistriga is commonly called as

a) cut worm b) Pink boll worm

c) Diamond back moth d) Red hairy caterpillar

4. Helicoverpa armigera belongs to the family

a) Noctuidae b) Acrididae

c) Chrysomelidae d) Pyrelididae

5. Which among the following is not a natural enemy of pests?

a) Reduviids b) Ladybird beetle

c) Ash weevil d) Green lace wing

6. Collection and destruction of egg mass is possible with

a) Musca domestica b) Aphis craccivora

c) Spodoptera litura d) Bemisia tabaci

7. Mosquito coil is an example for

a) Funigant b) Repellent

c) Feeding Deterrent d) Contact poison

8. A very famous and predominantly used pesticide once but banned in many

countries as on date is

a) DDD b) DDT

c) DTT d) TTT

9. Azadirachtin is extracted from the _______of neem

a) Root b) Stem

c) Seed d) Bark

ST. XAVIER'S COLLEGE (AUTONOMOUS), PALAYAMKOTTAI – 627002



PAPER : INSECT PEST MANAGEMENT (12PZO42)


100

10. Metarhizium anisopliae is a

a) Virus b) Bacteria

c) Algae d) Fungi

PART – B


11. Defoliator

12. Kairamone

13. Vector

14. Polyphagous pest

15. Tillage

16. Trap crop

17. Dusts

18. Malathion

19. NPV

20. Trichogramma

PART – C


21. a) Enumerate the reasons for the insects to assume the pest status

OR

b) Explain in brief the various sampling methods.

22. a) Comment on rhinoceros beetle.

OR

b) With a schematic diagram explain the life cycle of brinjal fruit borer.

23. a) ‘The pests are also controlled naturally’ – Discuss.

OR

b) Give an account on cultural methods of pest management.

24. a) Comment on neuro poisons

OR

b) ‘The pesticides should be handled with care’ – Discuss.

25. a) Give an account on IGR.

OR

b) ‘IPM is the need of the hour’ – Discuss.

PART – D


26. Discuss the significance of insect plant interaction.

27. Explain the biology, damage caused and management of Chilo infuscatellus.

28. ‘Legislations also play a significant role in pest management’ – Clarify.

29. Based on the chemical nature, classify pesticides. Add a note on their toxicity.

30. a) List out the criteria for selecting a biological control agent.

b) Discuss the significance of Bacillus Thuiringiensis.

REG. NO. : PART – A

Answer ALL the Questions. Choose the correct Answer: (10 x 1 = 10)

1. Alternative forms of a gene found in the homologous chromosomes are

a) Cistron b) Muton

c) Alleles d) Probe

2. Human blood groups are determined by

a) Single gene b) Two genes

c) Alleles d) Multiple alleles

3. The advise given for improvement of hereditary character is

a) Improving nutrition b) Reducing pollution

c) Improving environment d) Genetic counseling

4. A trisomy of 21th chromosome results in

a) Klinfelter syndrome b) Sickle cell anaemia

c) Turner's syndrome d) Down's syndrome

5. A segment of DNA that specifies the sequence of aminoacids in a polypeptide

chain is

a) Nucleotide b) Gene

c) Probe d) Nucleoside

6. ____________ is a filamentous bacteriophage.

a) pBR322 b) Lambda phage

c) Cosmids d) M13

7. The materials that provide mechanical support to the cells in the culture are

a) Substrate b) Blood serum

c) Yeast extract d) Gas

8. The process of implantation of embroyos from donor to recipient.

a) Embryogenesis b) Embryo rescue

c) Endomitosis d) Embryo transfer

9. The gene used to treat a genetic disease is called

a) Remedial gene b) DNA

c) Oncogenes d) Suppressor genes

10. The nutrient inputs of biological origin that support plant growth is

a) Biofuel b) Biofertilizers

c) Biopesticides d) Bioprospecting


627002


M.Sc. ZOOLOGY SEMESTER – II

PAPER : GENETICS & ANIMAL BIOTECHNOLOGY (15PZO21)


100

PART – B

Answer ALL the Questions: (10 x 2 = 20)

11. What is test cross?

12. Define codominance.

13. List any two applications of Hardy Weinberg law.

14. What is heterosis?

15. Comment on transposons.

16. Distinguish between cytogenetic map and gene linkage map.

17. Mention any four equipments used for animal cell culture.

18. Define embryo splicing.

19. Comment on ethics of transgenic animals.

20. Enlist the advantages of Bio-fertilizers.

PART – C

Answer ALL the Questions: (5x5=25)

21. a) What hereditary principle can be derived from a cross showing 3:1 ratio in

F2 generation?

(OR)

b) In humans the sex of the child is determined by the father and not by the

mother'- Justify.

22. a) Narrate the genic influence for metabolic disorders.

(OR)

b) What are the eugenic measures adopted for the betterment of human race?

23. a) What is overlapping gene? Explain its involvement in genome

organization.

(OR)

b) Explain rDNA technology with suitable example.

24. a) Briefly describe the various types of culture media used for animal cell

culture.

(OR)

b) Narrate the various techniques used for primary cell culture.

25. a) Discuss the procedure and applications of southern blotting.

(OR)

b) Explain the roles of various micro-organisms involved in biogas production

and list the advantages and disadvantages.

PART – D

Answer ANY THREE Questions: (3 x 15 = 45)

26. Describe the phenomenon of linkage with suitable example.

27. Explain Hardy Weinberg equilibrium and derive an algebraic proof of genetic

equilibrium in a random mating population.

28. What are the features of good vector? Briefly describe the features of a plasmid

and a phage vector for E.Coli.

29. Briefly outline the various steps of invItro-fertilization and embryo transfer in

human beings.

30. Explain gene therapy. Comment on gene therapy to treat cancer.

*****

REG. NO. :

PART – A Answer ALL the Questions. Choose the correct Answer: (10 x 1 = 10)

1. The testis is formed of minute tubules called

a) Primordial germ cells b) Fallopian tubes

c) Seminiferous tubules d) Spermatogenia

2. The chemical substance present in the wall of the egg is

a) Amino acid b) Protein

c) Glucose d) Fertilizin

3. The neural tube encloses a canal called_________.

a) Archenteron b) Neurocoel

c) Neural crest d) Ganglia

4. The movement of cells on the surface of the embryo is

a) Embody b) Bubbling

c) Pulsating d) Epiboly

5. The nematode contains large number of ______________ genes.

a) Homeobox b) Transgene

c) Heterochromic d) Gap genes

6. If the organ forming is predetermined with that egg is

a) Telolecithal b) Mosaic egg

c) Megalecithal d) Cleidoic egg

7. The earliest stage of Drosophila embryonic development is guided by

a) Maternal factors b) Syncytial cells

c) Pole cells d) Germ band

8. Enlarged expression defines the

a) Anterior compartment of the segment

b) Anterior margin of each segment of each segment.

c) Posterior compartment of the segment

d) Posterior margin of each para segment

9. The regeneration of lens from iris is called

a) Autotomy b) Axial gradient

c) Wolffian regeneration d) Polarity

10. Serum albumin in the blood steadily increase during

a) Metamorphosis b) Morphogenesis

c) Organogenesis d) Regeneration


627002



PAPER : DEVELOPMENTAL BIOLOGY (15PZO22)


100

PART – B


11. Mention the significance of polar bodies in Oogenesis.

12. What are stem cells?

13. What is fate map?

14. Comment on morphogenetic movement.

15. Define the importance of hox gene.

16. What are micro RNAs?

17. Comment on enhancer trap technique.

18. Mention the role of segmentation genes.

19. What is axial gradient?

20. Define Polarity.

PART – C


21. a) Explain spermiogenesis with neat and labeled diagrams. (OR)

b) What is rotational cleavage? Explain with suitable diagram.

22. a) Describe the development of eye in frog.

(OR)

b) Explain the metabolic changes that take place during gastulation.

23. a) Explain the genetic control in ascidian development.

(OR)

b) Describe the influence of polar granules in the development of Caenorhabditis

elegans.

24. a) Narrate polarity regulation by oocyte cytoplasm.

(OR)

b) 'Bicoid protein provides an anterio-posterior gradient of a morphogen'- Explain.

25. a) Give a schematic account of mechanism of regeneration in frog.

(OR)

b) Explain the hormonal control of metamorphosis in frog.

PART – D

Answer ANY THREE Questions: (3 x 15 = 45)

26. Give a brief account of the metabolic changes that occur in the ovum during

fertilization.

27. Describe the morphogenetic movement in the formation of gastrula of frog

with the help of fate map.

28. Give an account of organizers.

29. Narrate the embryological evidence of polarity regulation by oocyte cytoplasm in

Drosophila.

30. Analyze the morphological, physiological and biochemical events of metamorphosis

in frog.

****

REG. NO. :

PART – A Answer ALL the questions : (10 x 1 = 10)

1. Darwin identified Finch birds in

a) Galapagos Islands b) Figi Islands

c) Andaman & Nicobar Islands d) Africa

2. Mutation theory was proposed by

a) Darwin b) Lamarck

c) Muller d) Devries

3. Which era is considered as „Golden Age of Mammals‟.

a) Proterozoic b) Mesozoic

c) Cenozoic d) Paleozoic

4. Probable place of orgin of human evolution is

a) Africa b) India

c) Europe d) Asia

5. Term Macro evolution was coined by

a) Darwin b) Lamarck

c) Goldschmidt d) Devries

6. Morphologically similar but reproductively isolated populations are known as

a) Species b) Sub species

c) Deme d) Sibling species

7. Industrial melanism is an example for

a) Directional selection b) Disruptive selection

c) Normalizing selection d) stabilizing selection

8. Monarch and Viceroy butterflies are example for

a) Bateson Mimicry b) Mullerian Mimicry

c) Directional selection d) Disruptive selection

9. Edit distance between Cat and Rat is

a) 1 b) 2

c) 3 d) 4

10. Dot plots are used to align

a) structural sequences b) Nucleotide and protein sequences

c) Data bases d) Morphological sequences


627002



PAPER : EVOLUTIONARY BIOLOGY (15PZO23)


100

PART – B


11. What are Founders?

12. What is an Acquired Character?

13. Define Archeozoic Era.

14. List out the Periods of Paleozoic Era.

15. Define Sequential Evolution.

16. What is Ethological Isolation?

17. Define Pre Adaptive Variation.

18. What is Altruism?

19. Define Phylogenetics.

20. List out the uses of Molecular Phylogenetics.

PART – C


21. a) Explain in detail “Urey & Miller Experiment”.

OR

b) List out the Demerits of Lamarckism.

22. a) Write a short note on „Future Evolution of Man‟.

OR

b) Explain the different types of Fossils.

23. a) Write a short note on Micro Evolution.

OR

b) Write a short note on Adaptive Radiation in Reptiles.

24. a) Explain the evolutionary significance of Industrial Melanism.

OR

b) Write a short note on Mullerian Mimicry.

25. a) Describe the objectives of Pair wise sequence Alignments.

OR

b) How would you construct a Phylogenetic tree?

PART – D


26. Explain Darwinism in detail.

27. Write an essay on the Evolution of Horse.

28. Write an essay on Patterns of Speciation.

29. Explain the role of Stabilizing & Disruptive selection in Evolution.

30. Explain the methodology of Local & Global Alignment with example.

REG. NO. : Part - A


1. Epifluorescence Microscope is an

a) Straight microscope b) Inverted fluorescence Microscope

c) Positive image microscope d) Negative image microscope

2. In paper electrophoresis proteins are located using the stain ___________

a) Ninhydrin b) Acetocermine

c) Schiff periodic acid d) Azocarmine

3. Crystals used in the photographic emulsion are

a) Leadoxide b) Copper oxide

c) Zinc bromide d) Silver halides

4. The hematoxylin stain imparts nucleus and cytoplasm with

a) Blue and pink colour b) pink and blue colour

c) Pink colour d) blue colour

5. Separation of amino acid can be done by using

a) Starch b) Sephadex

c) Silicagel d) all the above

6. In the preparation of wet specimen for SEM fixatives form

a) hydrogen bonds b) ionic bonds

c) hydrophobic bonds d) covalent bonds

7. In ultra centrifugation, the rate of movement of particle is called

a) sedimentation rate b) centrifugation rate

c) Circular movement d) segregation rate

8. Atomic absorption spectroscopy was designed by

a) Robert b) Bonley and Kensley

c) Bunsen and Kirchhoff d) Philip martin

9. The inventor of scintillation counter

a) Sir Samuel curran b) Owen Brewster

c) Thomas M. Davis d) David Dreier

10. The commonest plastic supportive film used in section cutting is

a) Collodion b) poly vinylchloride

c) Polythene d) polystyrene



M. Sc. ZOOLOGY SEMESTER – II

PAPER : METHODS IN BIOLOGY

(15PZOE21)

Time : 3 Hrs. MAX. MARKS : 100

PART – B


11. Stock’s shift.

12. Matrices in column chromatography.

13. DNA fingerprint.

14. Osazones.

15. Radio isotope.

16. Tracer technique

17. Explain RFLP.

18. Define spectrophotometer.

19. Define RIA.

20. Define Blocking.

PART – C


21. a) Write a short note on micrometry.

(OR)

b) State the working principle of phase contrast microscope.

22. a) Explain the principles and types of centrifugation.

(OR)

b) Trace the path way of northern blot technique.

23. a) Write the principle and mechanism of UV spectrophotometer.

(OR)

b) Write down the purification method for RNA.

24. a) Give an account on Tracer techniques.

(OR)

b) Define radioactivity. Write the different radiation properties.

25. a) Write a short note about staining techniques.

(OR)

b) What are the fixatives used in histological studies.

PART – D

Answer any THREE Questions: (3 x 15 = 45)

26. Write the principle, working methodology and applications of Electron

Microscope with Labelled diagram.

27. Explain the principle, mechanism and application of Gas chromatography.

28. Explain the working principle and application of AAS.

29. Describe in detail the working methodology of Autoradiography.

30. Describe the histological process in preparation of Permanent tissue

mounting.

&&&

REG. NO. :

PART – A


1. Silver carp Hypophthalmichthys molitrix is native of

a) China b) Brazil

c) France d) India

2. Indian major carp measures

a) 35 – 45 mm long b) 65 – 70 mm long

c) 50 – 60 mm long d) all of the above

3. Composite fish culture in India was initiated in the year

a) 1971 b) 1975

c) 1981 d) 1979

4. Grey mullet is abundant in

a) Israel b) Malaysia

c) Singapore d) Hong Kong

5. Hypophysation was first developed in

a) Brazil b) France

c) Japan d) India

6. Spirulina is a

a) Marine algae b) Single cell

c) red algae d) blue green algae

7. Successful androgenesis in carp was first reported in

a) 1990 b) 1992

c) 1984 d) 1991

8. Spermatozoa first mammalian cells to be cryopreserved first successfully by

a) Polge 1949 b) Bolga 1979

c) Pandian 1978 d) Alikunhi 1947

9. Gill rot is caused by

a) Aeromonus liquifaciens b) Asphyxiations

c) Saprolegnia parasitica d) Branchiomyces sanguinis

10. Erythroderma is caused by

a) Pseudomonas fluroescens b) Coenocytic mycelium

c) Dactylogyrus d) Paracamallanus




PAPER : AQUACULTURE BIOTECHNOLOGY (12PZO41)


100

PART – B Answer ALL the questions : (10 x 2 = 20)

11. Define predatory and weed fishes and their control in nursery pond system.

12. Write a short notes on fertilization of fish pond.

13. Define larval rearing of prawns.

14. Briefly explain temperature – growth relationship in prawn culture.

15. Define breeding habits of culturable fishes species.

16. Write short notes on fish feed formulation.

17. Define bundh breeding.

18. Briefly explain Androgenesis.

19. Write notes on EUS.

20. Write notes on Angulus.

PART – C


21. a) Explain the detailed account on water quality parameters of fish ponds.

OR

b) Describe the significance of nursery ponds.

22. a) Write a Pokkali culture method of shrimp.

OR

b) Describe edible oyster and culture method.

23. a) Write a rearing of hatchlings pre, post larvae and fry of freshwater fishes.

OR

b) Discuss natural’s vs synthetic hormones in fresh water system.

24. a) Write an account on fish Transgenesis.

OR

b) Enumerate the steps in the induction of Triplody and Tetroploidy in fishes.

25. a) Describe the viral disease symptoms treatments.

OR

b) Write an account on Fish vaccines.

PART – D


26. Describe and neat sketch out the construction of fish farm.

27. Write a general account on ornamental fish culture and discuss the commercially

Important fish species export quality.

28. Describe the current scenario of endangered fresh water fishes breeding.

29. Explain the technique of Cryopreservation of fish gamete.

30. Write a detailed account on Bacterial disease of fishes symptoms and their

control.

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ST. XAVIER'S COLLEGE (AUTONOMOUS), PALAYAMKOTTAI …