Loyola College Supplementary Chemistry April 2006 Food Chemistry Question Paper PDF Download

November 23, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

SUPPLEMENTARY SEMESTER EXAMINATION – JUN 2006

B.Sc. DEGREE EXAMINATION

CH 6650 – FOOD CHEMISTRY

Date & Time : 28/062006/1.00 – 4.00 Dept. No. Max. : 100 Marks

Part – A

Answer ALL the questions. (10 x 2 = 20)

Mention the factors causing temporary and permanent hardness to water.
What is alkaline phosphatase test?
What are whey proteins? Mention any two.
What are food preservatives? Name any two inorganic preservatives.
What is sensory evaluation of food quality?
What is inversion of cane sugar?
How is fructosazone prepared from fructose?
Define RM value.
What is smoke point of oils and fats?
Draw the structure of amylose.

Part – B

Answer any EIGHT questions only. (8 x 5 = 40)

Explain the pasteurization of milk with its types. Discuss the effects of pasteurization on milk.
Explain the following: a. Low sodium milk b. skimmed milk c. Sweetened milk.
Explain ion exchange method for the purification of water.
Write an account of the changes in meat during cooking and processing.
Describe the commercial heat preservation techniques.
What are food additives? Mention their legitimate uses.
Write a short note on food colourants.
What is rancidity? Explain the different kinds of rancidity.
Discuss the open and cyclic structure of glucose.
What are saturated and unsaturated fatty acids? Explain with an example.
Explain the terms dextrinization and syneresis.
What are the medicinal uses of chocolates?

Part – C

Answer any EIGHT questions only. (4 x 10 = 40)

Write a short note on carbohydrates, lipids, vitamins and enzymes present in milk.
What is reverse osmosis? Explain this method to treat brackish water.
Write a note on spurious colourants.
What is hazard analysis? How is it important in food processing?
How is sucrose manufactured from sugar cane?
Discuss the digestion and metabolism of carbohydrates.
Write a note on chemical composition of tea.
Explain different types of fruit beverages with an example.

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Loyola College Supplementary Chemistry April 2006 Bio-Chemistry For Biologist Question Paper PDF Download

November 23, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

SUPPLEMENTARY SEMESTER EXAMINATION – JUN 2006

B.Sc. DEGREE EXAMINATION

CH 4202 – BIO-CHEMISTRY FOR BIOLOGIST

Date & Time : 28/06/2006/1.00 – 4.00 Dept. No. Max. : 100 Marks

PART – A

Answer ALL the questions. (10 X 2 = 20)

What is denaturation of proteins?
Define the isoelectric pH of a protein.
Differentiate lyases from ligases.
Mention any three functions of lipoproteins.
Write the structural formulation of a nucleotide. Indicate clearly the nucleoside portion in it.
Draw the open and cyclic structure of D- glucose.
Give the net gain of ATP in the glycolysis one mole of glucose to pyruvate.
What is Bordeaux mixture? Mention its importance.
How is terpene extracted from the flowers?
Draw the structure of nicotine? Mention its physiological action.

PART – B

Answer ALL the questions. (8 X 5 = 20)

Discuss the synthesis of aspartic acid by pthalimidomalonic ester method.
Explain Edmand Pehr method of N- terminal analysis of proteins.
Illustrate the two models proposed to explain the enzyme action.
How are the carbohydrates classified?
Write a short note on glycolipids, sphingolipids and plasmolipids.
What is inhibition? Explain reversible and irreversible inhibitions?
How are super phosphate and triple super phosphate of lime manufactured?
Write a short note on the importance of micro and macro nutrients.
Illustrate the hydrogen bonding in the G – C and A – T base pairs.
What is isoprene rule? Apply it to citral.
Write a short note on anthocyanins.
Describe the structure, properties and uses of citral and camphor.

PART – C

Answer any FOUR questions only. (4X 10 = 40)

Explain the structure, properties and functions of fibre and globular proteins.
What is glycolysis? Discuss the various steps involved in the glycolysis of glucose to pyruvate.
Discuss the salient features of Crick and Watson model for the structure of DNA.
What are alkaloids? How are they classified? Explain the structure, physical properties and physiological actions of papaverine.
Write a short on the biological importance of lipids. (4)
What is saponification value of oil? How is it determined? What is its significance? (6)
a. Explain the preparation of amino acids by malonic ester synthesis. (3)
Explain the absolute and group specificity of enzyme calalyzed reaction. (4)
What is role of humus in the fertility of soil? (3)

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Loyola College Supplementary Chemistry April 2006 Analytical Chemistry – III Question Paper PDF Download

November 23, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

SUPPLEMENTARY SEMESTER EXAMINATION – JUN 2006

M.Sc. DEGREE EXAMINATION

CH 3805 – ANALYTICAL CHEMISTRY – III

Date & Time : 26/06/2006/9.00 – 12.00 Dept. No. Max. : 100 Marks

PART – A

Answer ALL the questions. 10 x 2 = 20 marks

Mention the characteristics of a good set of Measurements.
A chloride sample containing bromide as contaminant is estimated by argentometric titration. What is the error associated with the result?
Calculate the pH of the mixture containing 20.00mL of 0.0250M CH₃COOH and 40.00mL of 0.0125M OH^–. K_a for CH₃COOH is 10^–5.
A little of Mg EDTA complex is added in the estimation of Ca⁺² using EDTA. Why?
What is the gravimetric factor for Fe⁺³, when it is precipitated as ferric hydroxide and weighed as ferric oxide?
Calculate the current required to deposit all the metal ions in 100 ml of 0.01M Cu₂Cl₂ in 30 minutes.
What is the difference between potentiometry and voltametry?
Explain why electroylysis of aqueous 1 M NaCl results in the liberation of hydrogen and not Na?
Explain the principle of AAS method of estimation of metal ions.
Mention any two applications of TGA.

PART – B

Answer any EIGHT questions. 8 x 5 = 40 marks

Compare the solubility of Mg(OH)₂ (Ksp Mg(OH)₂ = 10^–12 mol³dm^–9) in
i) 10^–2M La₂(SO₄)₃ ii) 10^–2M AlCl₃.
Analysis of Vitamin C content of a citrus fruit drink gave the following results. 0.218, 0.219, 0.215, 0.230 and 0.220 mg/mL. Calculate the 99% confidence interval if t_99% is 4.60.
Write a note on the acid base titration in non-aqueous solvent.
Discuss the factors which affect ate the equivalence point.
Compare the initial equivalence point pH for the following.
i) 20.00mL of 10^–2M, CH₃COOH Vs 10^–2M OH^–
ii) 20.00 mL of 10^–2 CHCl₂COOH Vs 10^–2M OH^–‑.
K_a for CH₃COOH is 10^–5 and K_a for CHCl₂ COOH is 10^–2.
Show that the equivalence point potential for Fe⁺² Vs MnO₄^–‑/H⁺ depends on pH.
Define half wave potential. How does it differ from standard reduction potential?
An aqueous solution of CdSO₄was analysed at its half-wave potential with a current of 0.6 A. Calculate the time required to lower the concentration of 10ml of Cd²⁺ solution from 2 x 10^–4 M to 1.9 x 10^–4M. What conclusion you can draw from the result?
Explain a coulometric method of estimation thiosulphate using iodide.
How will you estimate bromide by ampereometric titration?
Explain, with suitable diagrams, the difference between TGA and DTA.
Explain, with an example, the principle of i) steam distillation and ii) solvent extraction.

PART – C

Answer ALL the questions. 10 x 2 = 20 marks

The following data were obtained in calibrating a calcium ion electrode for the determination of pCa. A linear relationship between the potential E and pCa is known to exist.

pCa E mv

5.00 –53.8

4.00 –27.7

3.00 +2.7

2.00 +31.9

1.00 +65.1

i) Calculate the equation for the best straight line through these points.
ii) Obtain the pCa of a serum solution in which the electrode potential is 20.3mV, which is the mean of four measurements.

iii) Also calculate the standard deviation of the slope and the result.

Draw the titration curve for the titration of 20.00mL of 0.0250M Ni⁺² vs 0.01250M EDTA at pH 8 by finding out the p^Ni at the following stages: i) initial ii) pre-equivalence point iii) just before equivalence point iv) the equivalence point v) post equivalence point.
Keff for [Ni EDTA]^–2 is 10¹⁶ at pH 8.
i) Determine the concentration of all the species in the mixture containing 50 mL of 0.0500M Fe⁺² and 25mL of 0.1000M Ce⁺⁴ in 1.000M H₂SO₄. E⁰Ce⁺⁴/Ce⁺³ = 1.5V; E⁰Fe⁺³ /Fe⁺² = 0.70V
ii) A 0.6200g sample containing NaCl and NaBr gives 0.5120g precipitate of silver halide. Another 0.6200g sample containing NaCl and NaBr gives 0.5120g precipitate of silver halide. Another 0.6200g sample is titrated with 0.1070M AgNO₃ requiring 28.10mL. Calculate the percentages of NaCl and NaBr in the sample.

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Loyola College P.G. Sociology Nov 2006 Contemporary Social Issues Question Paper PDF Download

November 23, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034 P.G. DEGREE EXAMINATION – COMMON PAPER

AO 24

THIRD SEMESTER – NOV 2006

SO 3925 – CONTEMPORARY SOCIAL ISSUES

Date & Time : 08-11-2006/9.00-12.00 Dept. No. Max. : 100 Marks

Part-A

Answer ALL the following : (10 x 2=20 marks)

1.Define “culture of poverty” and name the author of this concept.

Enumerate different groups of poor people according to Hussain and Saroop.

3.Write a short note on the socio-historic background of the birth of feminist

movement.

4.According to you what are the glaring household gender inequalities?

5.Define “globalisation”.

6.What is the essential “competition effects” of MNCs? Explain with an example.

7.What are the hazardous impacts of development on ecology at the backdrop of big

dams?

8.Indicate certain limitations of the programmes proposed for the rehabilitation of the

internally displaced people.

9.What is the meaning of ethnicity?

10.Define the concept “liberal democracy”.

Part-B

Answer any FIVE of the following : (5 x8=40 marks)

11.What are the advantages of unrestricted flow of capital?

Indicating some sectors as examples, critically evaluate the impact of direct

foreign investment in India.

Explain the various conventional definitions of poverty according to economists.

14.Briefly explain the economic characteristic of poverty in Developing Countries.

15.Highlight the causes for discrimination against women.

16.Discuss the economic exploitation of women in rural India.

17.Write a note on India’s ethnic spectrum.

Part-C

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

18.What are the various factors that threaten Indian democracy?

19.Discuss the debates on development.

20.How do Lewis, Rainwater and Valentine analyse poverty and what are their

suggestions to eradicate poverty?

21.Write an essay on the status of women in Hinduism.

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Loyola College P.G. Physics Nov 2006 Energy Physics Question Paper PDF Download

November 23, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

P.G. DEGREE EXAMINATION – COMMON PAPER

AC 21

THIRD SEMESTER – NOV 2006

PH 3925 – ENERGY PHYSICS

Date & Time : 08-11-2006/9.00-12.00 Dept. No. Max. : 100 Marks

PART – A

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

Write a short note on natural gas as an energy source.
How is nuclear power realized?
Solar energy is the future source – Why?
What are the advantages of flat-plate collectors for solar radiation?
How does photosynthesis take place?
How is energy consumption related to the prosperity of a country?
Describe the principle of energy storage system in lead acid battery.
What are the energy options for the developing countries?
Discuss the phenomenon of global warming.
How is hydrogen used as a fuel?

PART – B

Answer any FOUR questions. (4 x 7.5 = 30 Marks)

Discuss India’s position with regard to fossil fuels.
a. Describe any design of solar cooker. (5)
What are the merits and demerits of solar cookers? (2.5)
a. Discuss the methods for obtaining energy from biomass. (4)
What are the advantages and limitations of biomass energy sources? (3.5)
a. Enumerate the patterns of energy consumption. (3)
Discuss the world energy future. (4.5)
Discuss the possibilities of nuclear energy for peaceful purposes.

PART – C

Answer any FOUR questions. (4 x 12.5 = 50 Marks)

a. Discuss the sources and prospects of renewable energy sources. (8)
Enumerate the advantages and disadvantages of renewable energy. (4.5)
a. What are the components of photo-voltaics? Describe how a basic photovoltaic system is

used for power generation. (2+4.5)

Enumerate the applications of solar photo-voltaic systems. (3)
What are the advantages of photo-voltaic solar energy conversion? (p.30). (3)
a. What is geothermal energy? Describe how energy is extracted from a geothermal field. (2.5+6)
Write a note on the geothermal sources. (4)
a. What is the principle of Ocean Thermal Energy Conversion? (4)
How is electricity produced from the ocean? (6)
What are the merits and demerits in energy conversion from the ocean? (2.5)
a. What is nuclear fission? Discuss the products of fission. (3+4.5)
Describe the process of controlled chain reaction of nuclear energy? (5)

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Loyola College P.G. Mathematics Nov 2006 Mathematical Social Sciences Question Paper PDF Download

November 23, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

P.G. DEGREE EXAMINATION – COMMON PAPER

AA 28

THIRD SEMESTER – NOV 2006

MT 3925 – MATHEMATICAL SOCIAL SCIENCES

Date & Time : 08-11-2006/9.00-12.00 Dept. No. Max. : 100 Marks

Answer ALL Questions.

(a) Calculate the median for the following distribution.

class interval : 131-135 135-140 140-145 145-150 150-155 155-160 160-165 165-170 170-175

Frequency : 3 11 17 19 27 22 14 8 4

(or)

What is a scatter diagram? Explain its different types. (5 marks)

Find the mean , standard deviation and variance for the following :

X : 29 33 37 38 39 40 42 43 45 47 50 59 60

F : 1 1 3 4 2 3 2 2 3 1 1 1 1

(or)

(d) Ten competitors in a musical test were ranked by three judges A, B and C in the following order .

Ranks by A : 1 6 5 10 3 2 4 9 7 8

Ranks by B : 3 5 8 4 7 10 2 1 6 9

Ranks by C : 6 4 9 8 1 2 3 10 5 7

Using rank Correlation method , find which pair of judges has been nearest approach to common

likings in music. (15 marks)

(a) Define a directed graph, an undirected graph and a multigraph with examples.

(or)

(b) Explain Konigsberg Bridge problem. Is there any solution to this problem?. If not, why?

(5 marks)

(ii) Define a walk, a path and an Eulerian graph with examples. (10 + 5 marks)

(or)

(i) In a colony there are 5 families represented by F₁, F₂,..F₅. Draw a graph with edges which denote the friendship between the families with the condition that all families are friends to the other.

(ii) The following graph represents the map of a certain area where vertices represent junction and lines represent roads. Help your postman to start from a vertex (which represents the post office) and go through all the streets exactly once and return to the post office (Vertices may be repeated).

(iii) An electrical circuit board has to be prepared with the following requirements. There are 7 terminals T₁, T₂, …, T₇. Wires have to be laid between the terminals as per the table given below.

T₁ – T₅, T₇, T₄

T₂ – T₅, T₇, T₄

T₃ – T₅, T₇, T₄

T₄ – T₂, T₆, T₃, T₁

T₅ – T₁, T₂, T₃

T₆ – T₄

T₇ – T₁, T₂, T₃

Draw a graph to represent this board. As it is always good to avoid crossing of wires (which will cause short circuit), give the best possible layout of the graph.

(4 + 5 + 6 marks)

III. (a) What are the objectives of an investigation.

(or)

(b) What is sampling? State the reasons for sampling. (5 marks)

(or)

(d) Explain the subject matter of a survey. (15 marks)

(a) The manager of an oil refinery must decide on the optimum mix of two possible blending processes of which the input and output production runs are as follows:

Process Input Output

Crude A Crude B Gasoline X Gasoline Y

1 6 4 6 9

2 5 6 5 5

The maximum amounts available of crudes A and B are 250 units and 200 units respectively. Market demand shows that at least 150 units of gasoline X and 130 units of gasoline Y must be produced. The profits per production run from process 1 and process 2 are Rs.4 and Rs.5 respectively. Formulate the problem for maximizing the profit.

(or)

(b) Construct a network diagram for the activities B, C, ….Q and N satisfying the following constraints:

B<E,F; C < G,L; E,G<H; L,H<I; L<M; H<N; H<J; I,J<P; P<Q.

The notation X<Y means that the activity X must be completed before Y can begin.

(5 marks)

(c) (i) A company makes two kinds of leather belts. Belt A is a high quality belt, and belt B is of lower quality. The respective profits are Rs.4 and Rs.3 per belt. Each belt of type A requires twice as much time as a belt of type B, and if all belts were of type B, the company could make 1000 per day. The supply of leather is sufficient for only 800 belts per day. Belt A requires a fancy buckle and only 400 per day are available. There are only 700 buckles a day available for belt B. Determine the optimum product mix by graphical method.

(ii) What are the rules to be followed for the construction of a network? (10 + 5 marks)

(or)

(d) Use simplex method to solve Maximize z = 2x₁ + 4x₂ + x₃ + x₄ subject to constraints

x₁ + 2₂ + 2x₃ + 4x₄ 80, 2x₁ + 2x₃ + x₄ 60, 3x₁ + 3x₂ + x₃ + x₄ 80,

x₁0, x₂ 0, x₃ 0, x₄ 0. (15 marks)

(a) Explain the fuzzy association of the intelligent control of a traffic light.

(or)

(b) Solve the following assignment problem.

A B C D

I 1 4 6 3

II 9 7 10 9

III 4 5 11 7

IV 8 7 8 5 (5 marks)

D₁ D₂ D₃ D₄ Availability

O₁ 5 3 6 2 19

O₂ 4 7 9 1 37

O₃ 3 4 7 5 34

Demand 16 18 31 25 (15 marks)

(or)

(d) (i) Describe FAMs as mappings.

(ii) Define Fuzzy Hebb Matrix.

(iii) Construct a fuzzy Hebb matrix M given the input A = (.3 .4 .8 1) recalled fit vector B = (.2 .6 .5) upon max-min composition: A_oM = B. (5 + 4 + 6 marks)

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Loyola College P.G. Economics Nov 2006 Comparative Economic System Question Paper PDF Download

November 22, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034 P.G. DEGREE EXAMINATION – COMMON PAPER

AN 29

THIRD SEMESTER – NOV 2006

EC 3925 – COMPARATIVE ECONOMIC SYSTEM

Date & Time : 08-11-2006/9.00-12.00 Dept. No. Max. : 100 Marks

Part – A

Answer any FIVE questions in about 75 words each. (5 x 4 = 20 marks)

How does UN classify the various countries on the basis of Gross National Income (GNI) per capita?
Define socialism.
What do you mean by surplus value?
What is the central problem of every society?
What is meant by economic surplus?
How does the price of a product determined in the capitalist economy?
What is meant by mixed economy?

Part – B

Answer any FOUR questions in about 300 words each. (4 x 10 = 40 marks)

Explain the features of Indian Economy.
Bring out the causes for unemployment in underdeveloped economy.
Analyze the importance of energy in promoting the economic growth of nations.
Explain the method of solving basic problems in capitalist economy.
Explain the characteristics of a capitalist economy.
Discuss the advantages of socialism.
Explain the advantages and achievements of American’s economic system.

Part – C

Answer any TWO questions in about 900 words each. (2 x 20 = 40 marks)

Critically examine the system of socialism.
Analyze Max’s interpretation of historical change.
Examine the evalution and functioning of American capitalism.
Explain the economic system of China.

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Loyola College P.G. Biology Nov 2006 Environment And Human Health Question Paper PDF Download

November 22, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034 P.G. DEGREE EXAMINATION – COMMON PAPER

AF 22

THIRD SEMESTER – NOV 2006

ZO 3925 – ENVIRONMENT AND HUMAN HEALTH

Date & Time : 08-11-2006/9.00-12.00 Dept. No. Max. : 100 Marks

PART A

Answer each in a few sentences: (10 x 2 = 20 Marks)

Expand the abbreviations: DPT, MMR.
What are the three aspects that govern a rare species.
What is a vector? Give an example.
Define various modes of infection with examples.
Differentiate live vaccine from killed vaccine with examples.
What is measly pork?
Mention the common and scientific names of three cestode parasites.
Define: Habitat loss and fragmentation.
What are the symptoms of amoebiasis?
What is Whooping cough?

PART B

Answer any four of the following: (4 x 10 = 40 Marks)

Describe the life cycle of Ascaris with diagrams.
Give an account of any four food and water borne diseases of man.
Give an account of effects of air pollutants.
Summarise the types of biodiversity and a note on Intellectual property rights.
Tabulate the Immunization schedule of India.
Explain briefly water soluble vitamins.
Describe the life cycle of Entamoeba histolytica with diagrams.

PART C

Answer any two of the following: (2 x 20 = 40 Marks)

Give an account on hormonal disorders related to thyroid and pancreas.
Discuss various types of land pollutants. Add a note on biological magnification.
Write an essay on drug addiction and their health hazards.
Write short notes on: a. Vermiculture and its significance b. Fat soluble vitamins

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Loyola College M.Sc. Zoology April 2004 Biotechnology Question Paper PDF Download

November 22, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

THIRD SEMESTERK-APRIL 2004

ZO 3802/ Z 924 BIOTECHNOLOGY

20.04.2004

1.00 –4.00 Max. 100 Marks

PART – A (10 ´2 = 20 Marks)

Answer ALL questions.

Differentiate primary cell line from established cell line.
How do you isolate cells for culturing?
Comment on Biodegradation.
Write a note on Bio mass production.
Expand the following (i) GATT (ii) WIPO (iii) IPR & PL (iv) UNIDO
Define fermentation.
Comment an ‘Bio sensor’.
What are ‘Idiolites’?
What is direct cloning?
Comment on ‘Partial Digestion’.

PART – B (4 ´ 10 = 40 Marks)

Answer any FOUR questions.

Describe the Indian Biotechnology scenario.
Describe the fermentation process for any three products.
Bring out the role of biotechnology in aquaculture.
Bring out the role of Hybridoma technology and its uses.
Describe the role of micro organisms in pollution control.
Describe the process of C-DNA cloning and its uses.

PART – C (2 ´ 20 = 40 Marks)

Answer any TWO questions.

Give an account of intellectual property and patent rights.
Describe the role of Biotechnology in Agriculture.
Discuss what is health care biotechnology and its present status.
Give on account an the Bio reactor designing.

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Loyola College M.Sc. Zoology April 2006 Phylogeny Of Invertebrata And Chordata Question Paper PDF Download

November 22, 2017 by 01 prakash

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

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

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

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

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

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

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Loyola College M.Sc. Zoology April 2006 Phylogeny Of Chordata Question Paper PDF Download

November 22, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

SUPPLEMENTARY SEMESTER EXAMINATION – JUN 2006

M.Sc. DEGREE EXAMINATION

ZO 1802 – PHYLOGENY OF CHORDATA

Date & Time : 27/06/2006/9.00 – 12.00 Dept. No. Max. : 100 Marks

Part – A

Answer ALL questions. 10 x 2 = 20

Write the dental formulae of the following: a) Rat b) Squirrel
Give the zoological names of a) Rhesus monkey b) Horned toad
What is a palaentological question mark?
Write short notes on cephalaspis.
Distinguish ductus caroticus from ductus cuiveri.
Give any two diagnostic features of cephalochordates.
Explain any two parental care in Amphibians.
Write short notes on Archaeopteryx.
What are flame cells.
Write the main branches of dorsal aorta.

Part – B

Answer any FOUR of the following. 4 x 10 = 40

Describe briefly the cavities of Brain of frog and rat.
Give an account of the exoskeleton of birds.
Classify Indian fossils.
Describe the morphology of Amphioxus.
Give an account of affinities of urochordates.
Explain the origin and ancestry of amphibians.

Part – C

Answer ALL questions. 10 x 2 = 20

Write an essay on ostracoderms.
Give an account of origin, ancestry and evolution of birds.
Write in detail the ‘Migration of Birds’
Give an account of parental care in fishes.

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Loyola College M.Sc. Zoology April 2006 Phylogeny Of Chordata Question Paper PDF Download

November 22, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 17

FIRST SEMESTER – APRIL 2006

ZO 1802 – PHYLOGENY OF CHORDATA

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

Part A (Answer All) 10 ´ 2 = 20

Distinguish progressive and retrogressive metamorphosis
Categorise the dentition in mammals.
Comment on palaeontological question mark.
Enumerate the evolutionary significance of seymouria.
Tabulate the major biological events of Mesozoic era.
Differentiate diastylic from autostylic jaw suspension.
What are ductus caroticus and ductus cuvieri?
With a suitable example explain living fossils?
Write down the binomial name of Peacock, lion, tiger and camel?
Comment on the structure and function of synsacrum.

Part B (Answer any four) 4 ´ 10 = 40

Explain the parental care in amphibians.
Briefly explain the flight adaptations of birds.
Explain placentation in mammals.
Write an account on scales of fishes.
Give an account of the affinities of Hemichordates.
Write a note on the ventricles of brain.

Part C (Answer any two) 2 ´ 20 = 40

Give an account on Ostracoderms.
Write an essay on migration of birds
Give an account on the vertebrate fauna of India.
Write an essay on the digestive system of vertebrates.

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Loyola College M.Sc. Zoology April 2006 Medical Lab Technology Question Paper PDF Download

November 22, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – CHEMISTRY

TS 35

SECOND SEMESTER – APRIL 2006

ZO 2902 – MEDICAL LAB TECHNOLOGY

Date & Time : 28-04-2006/9.00-12.00 Dept. No. Max. : 100 Marks

Part A (Answer All) 10 ´ 2 = 20

Expand the abbreviations: MMR, PCV, DPT, WIDAL.
Define the term: universal donor.
What is occult blood?
Distinguish type 1 from type 2 Diabetes mellitus.
What is meant by storage lesion.
Distinguish leucopenia from polycythemia.
Write the procedure for the detection of bile salts in urine sample.
Give the names of any four culture media.
Distinguish kala azar from oriental sore.

10.Write the symptoms of rabies.

Part B (Answer any four) 4 ´ 10 = 40

Describe the types of leucocytes with neat diagrams.
Give an account of ultra structure of bacteria.
Explain the various blood components separated in a blood bank.
Write an account of the mechanism of blood coagulation.
Write the principle, procedure and clinical significance for estimation of blood sugar.
Tabulate the medical importance of any four types of pathogenic protozoans of man.

Part C (Answer any two) 2 ´ 20 = 40

Write an essay on types of anaemia.
Give an account on Haematopoeisis with a flow chart.
Explain the phenomenon of ABO blood grouping in man.
Describe the various contact borne bacterial diseases of man.

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Loyola College M.Sc. Zoology April 2006 Environmental Management Question Paper PDF Download

November 22, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

SUPPLEMENTARY SEMESTER EXAMINATION – JUN 2006

M.Sc. DEGREE EXAMINATION

ZO 4800 – ENVIRONMENTAL MANAGEMENT

Date & Time : 28/06/2006/9.00 – 12.00 Dept. No. Max. : 100 Marks

Part A (Answer All) 10 X 2 = 20

Comment on Cartagena protocol.
What are biosensors?
Who is Medha Patkar?
What do you mean by bioremediation?
Comment on WHO.
What is Red Data Book?
Explain the term vermicomposting.
Summarize biodegradation of petroleum products.
Distinguish COD from BOD.
Explain the terms horizontal and vertical transfer of genes.

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

Write notes on powers and functions of pollution control boards.
Briefly describe forest resources and their management.
Enumerate the history of rainbow warrior.
‘The Bhopal disaster of 1984 is the worst industrial disaster in the history of the

World’ – Substantiate.

‘Environmental ethics stresses the balance between nature and needs’ – Justify.
Describe the management of agricultural environment (or) CHIPKO Movement.

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

Discuss the management of renewable energy resources for sustainable rural
development.
Explain in detail about desalination technologies.
Characterize hazardous wastes and discuss their management.
Write notes on (1) Economics of the maladies of the Indian environment
(2) GMOs .

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Loyola College M.Sc. Zoology April 2006 Environmental Toxicology Question Paper PDF Download

November 22, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 26

SECOND SEMESTER – APRIL 2006

ZO 2901 – ENVIRONMENTAL TOXICOLOGY

(Also equivalent to ZO 2807)

Date & Time : 24-04-2006/9.00-12.00 Dept. No. Max. : 100 Marks

Part A (Answer All) 10 X 2 = 20

What is insolation?
Comment on acid rain.
What is meant by LC₅₀?
Explain the term xenobiotics.
What is biological magnification?
With one suitable example explain the term biofertilizer.
Comment on Minamata disease.
Enumerate the importance of metalothionines.
Explain the causal factors for global warming.
Define Shelford’s law of tolerance.

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

Trace the source and impacts of oxides of carbon.
Briefly explain the impacts of light on biota.
Explain the source and impacts of heavy metal pollution.
‘Sound is a physical toxin’ – substantiate.
Write notes on bioaccumulation, biodegradation and bioremediation.
Toxicology is a multidisciplinary field – Justify.

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

Design an experiment to assess the toxicity of the xenobiotics
Discuss the toxic impacts of synthetic pesticides (or) detergents on man.
Write an essay on effect of toxicants on ozone layer.
Unregulated domestic wastes and industrial effluents directly affect the physical and biological environment – Justify.

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

November 22, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 36

SECOND SEMESTER – APRIL 2006

ZO 2801 – GENETICS

Date & Time : 02-05-2006/9.00-12.00 Dept. No. Max. : 100 Marks

Part A (Answer All) 10 ´ 2 = 20

Define transfection.
What is genetic engineering?
Comment on direct mutagenesis.
What is linkage?
Differentiate nucleoside from nucleotide.
Define DNA sequencing.
Explain gene pool.
Define recombination.
List out enzymes involved in DNA replication.
Differentiate transformation from conjugation.

Part B (Answer any four) 4 ´ 10 = 40

Write notes on vaccination.
Give an account of genetic counseling.
Describe DNA replication.
Explain DNA repair mechanism.
Write an account on heterosis.
Explain Hardy-Weinberg law and estimate the gene frequency in population.

Part C (Answer any two) 2 ´ 20 = 40

Write an essay on genetic code.
Give an account of Lac Operon hypothesis.
Explain the production of monoclonal antibodies.
Write an account on prenatal diagnosis.

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Loyola College M.Sc. Zoology April 2006 Environmental Management Question Paper PDF Download

November 22, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 30

FOURTH SEMESTER – APRIL 2006

ZO 4800 – ENVIRONMENTAL MANAGEMENT

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

Part A (Answer All) 10 ´ 2 = 20

Comment on Kyoto protocol.
What are biovillages?
Characterize green peace movement
List down the agencies and the Act, which directly govern conservation of biodiversity.
Comment on UNEP.
Distinguish national parks from sanctuaries
What do you know about Chernobyl disaster?
Explain the term biosensor.
Characterize Basal convention.
Differentiate pyrolysis from incineration.

Part B (Answer any four) 4 ´ 10 = 40

Write notes on history, characteristics and ecological foundations of CHIPKO movement.
Critically evaluate ecological devastation and the consequent environmental and human heath costs in India.
Briefly elaborate powers and functions of pollution control boards.
Explain the potential and viability of renewable energy resources.
Briefly explain criteria and standards for water quality.
Write the methodology and importance of remote sensing (or) desalination.

Part C (Answer any two) 2 ´ 20 = 40

Write an essay on air quality, air pollutants, health hazards and the methodologies adopted in monitoring and management of air quality.
Discuss hazardous waste management in India.
Elaborate reclamation and recycling of solid wastes.
Write notes on (1) Bhopal Gas Tragedy (2) Genetically modified organisms.

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

November 22, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 28

THIRD SEMESTER – APRIL 2006

ZO 3801 – ENVIRONMENTAL BIOLOGY

Date & Time : 29-04-2006/1.00-4.00 P.M. Dept. No. Max. : 100 Marks

Part A (Answer All) 10 ´ 2 = 20

What are pheromones?
Comment on carbon trading and global warming.
What are ecological indicators?
Define exobiology.
Differentiate fertility from fecundity.
Explain potential mortality and realized mortality.
Comment on carrying capacity.
What are edaphic factors?
Differentiate home range from territory.
With suitable example explain symbiosis.

Part B (Answer any four) 4 ´ 10 = 40

Write notes on forest resources.
Explain intraspecific animal association.
Highlight hydrologic cycle.
Plan out a protocol for cryopreservation and mention its merits and demerits.
What are biogeochemical cycles? Explain with carbon cycle.
Discuss briefly biofertilizers and biopesticides.

Part C (Answer any two) 2 ´ 20 = 40

Write in essay on Wildlife conservation.
Describe ecological energetics.
Discuss in detail interspecific animal association.
Write notes on (1) Energy pyramids (2) Population dispersion

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

November 22, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

SUPPLEMENTARY SEMESTER EXAMINATION – JUN 2006

B.Sc. DEGREE EXAMINATION

ZO 4500 – EMBRYOLOGY AND EVOLUTION

Date & Time : 28/06/2006/1.00 – 4.00 Dept. No. Max. : 100 Marks

Part A (Answer All) 10 × 2 = 20

Differentiate spermatogenesis from spermiogenesis.
Comment on fertilizin and antifertilizin
Write a note on neural crest cells.
What is erythroblastosis foetalis?
What do you mean by meroblastic cleavage.
Distinguish cannon bone from splint bone.
What are coprolites.
Comment on evolutionary constancy.
Give an example for each of the following adaptations

(a) Scansorial (b) Arboreal (c) Rectigrade (d) Cursorial.

List down any four vestigial organs in man.

Part B (Answer any four) 4 × 10 = 40

Categorise, explain and illustrate the types of chordate eggs.
Describe morphogenetic movements.
Write notes on transgenic animals.
Explain the role of gene mutations in evolution.
Briefly discuss the contributions of Neo Lamarkians.
Tabulate the major events in the geological time scale.

Part C (Answer any two) 2 × 20 = 40

Write an essay on placentation of mammals.
Describe the development of sponges.
Categorise isolating mechanisms and elucidate their importance in speciation.
Trace evidences from biochemistry and physiology in favour of theory of organic evolution.

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Loyola College M.Sc. Zoology April 2006 Clinical Technology Question Paper PDF Download

November 22, 2017 by 01 prakash

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 34

FOURTH SEMESTER – APRIL 2006

ZO 4900 – CLINICAL TECHNOLOGY

Date & Time : 29-04-2006/9.00-12.00 Dept. No. Max. : 100 Marks

Part A (Answer All) 10 ´ 2 = 20

Give the normal value of PCV and DC.
Define the term: Erythroblastosis foetalis.
What is Coombs test?
Distinguish Hypoglycemia from hyperglycemia.
Comment on the types of mode of infection of pinworm.
What is Compatibility testing in a blood bank?
Write the procedure for the detection of ketone bodies in urine sample.
Distinguish sterilisation from disinfectant.
Distinguish Haematuria from black water fever.
Distinguish inoculative from contaminative mode of infection with suitable

Part B (Answer any four) 4 ´ 10 = 40

Tabulate the medical importance of any four water borne bacterial diseases.
Give an account of various aspects of medical ethics.
Explain the criteria for screening a donor in a blood bank.
Write the procedure for the estimation of ESR.
Give an account on physical methods of sterilization..
Describe the life cycle of Entamoeba histolytica. Add a note on their clinical symptoms.

Part C (Answer any two) 2 ´ 20 = 40

Write an essay on ABO blood grouping and Rh typing.
Give an account on procedure for total RBC count and give the normal values.
Write the general characteristics of urine sample to be observed before testing.
Give an account on any four nematode parasites of man.

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