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Loyola College M.Sc. Zoology April 2003 Genetics Question Paper PDF Download

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LOYOLA  COLLEGE (AUTONOMOUS), CHENNAI-600 034.

M.Sc. DEGREE  EXAMINATION  – ZOOLOGY

second SEMESTER  – APRIL 2003

ZO 2801 / Z  823 genetics

21.04.2003

1.00 – 4.00                                                                                          Max: 100 Marks

 

 

PART –  A                                      (10 ´ 2 = 20 Marks)

Answer ALL questions.

 

  1. What is Nuclein?
  2. What is clone?
  3. Explain artificial insemination.
  4. Write the function of correndonuclease.
  5. Define linkage.
  6. What is termination codon?
  7. Define hardy-Weinberg law.
  8. Explain transduction.
  9. Comment on Vaccines.
  10. What are Teratogens?

 

PART – B                                        (4 ´ 10 = 40 Marks)

 

Answer any four of the following.

 

  1. Explain hybridization and Heterosis.
  2. Write notes on recombination.
  3. Describe the mechanism of crossing over.
  4. Give an account of DNA replication.
  5. Explain the significance of Interferon.
  6. Describe the structure of DNA.

 

PART – C                                        (2 ´20 = 40 Marks)

Answer any two of the following

  1. Define transformation. Explain the process and uptake of DNA
  2. Write any essay on prenatal diagnosis.
  3. Give an account of genetic code.
  4. Explain sex determination in Drosophila and man.

 

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

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI– 600 034

M.Sc. DEGREE EXAMINATION  –     ZOOLOGY

SECOND  SEMESTER  – NOVEMBER 2003

ZO 2801/Z  823  GENETICS                               

28.10.2003                                                                                        Max: 100 Marks

1.00 – 4.00

 

SECTION – A         

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

  1. Define positive Heterosis.
  2. What are Gynandromorphs?
  3. List out the types of RNA.
  4. What is DNA splicing?
  5. Define Nucleoid.
  6. What is a competent cell?
  7. Define gene pool.
  8. Explain Recombination.
  9. Give the names of enzymes involved in DNA replication.
  10. Comment on allele.

SECTION – B

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

  1. Give an account of DNA repair mechanism.
  2. Give an account of interferon.
  3. Explain the concept of Multiple and Polygenic inheritance.
  4. Give an account on chromosomal aberrations.
  5. Tabulate the genetic codes and mention the significance.
  6. Explain the role of carcinogens and teratogens with suitable examples.

 

Section – c

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

  1. Define transformation and explain the process of transformation and uptake of DNA.
  2. Give an account of prenatal diagnosis.
  3. Define Hardy-Weinberg law.  Add notes on the equilibrium frequencies for a

single locus.

 

  1. Describe genetic and social implications of artificial insemination.

 

 

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

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             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

 

  1. Define transfection.
  2. What is genetic engineering?
  3. Comment on direct mutagenesis.
  4. What is linkage?
  5. Differentiate nucleoside from nucleotide.
  6. Define DNA sequencing.
  7. Explain gene pool.
  8. Define recombination.
  9. List out enzymes involved in DNA replication.
  10. Differentiate transformation from conjugation.

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

 

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

 

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

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

 

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Loyola College M.Sc. Zoology April 2007 Genetics Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 28

SECOND SEMESTER – APRIL 2007

ZO 2801 – GENETICS

 

 

 

Date & Time: 19/04/2007 / 1:00 – 4:00          Dept. No.                                                             Max. : 100 Marks

 

 

 

Part A                                                (Answer all)                                    10 X 2 = 20

 

  1. Comment on base analogues.
  2. Explain somatic luxuriance.
  3. Differentiate transformation and transduction.
  4. Categorise substitution mutations.
  5. Comment on epistasis.
  6. What are multiple alleles?
  7. Comment on amniocentesis.
  8. What are interferons?
  9. Distinguish monoploidy from haploidy
  10. Explain nucleolar organizer.

 

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

 

  1. Explain the semiconservative type of DNA replication
  2. Give an account of bacterial conjugation.
  3. Write notes on inherited disorders in man
  4. Elucidate the importance of prenatal diagnosis
  5. Explain the role of genes in development
  6. Write notes on restriction enzymes.

 

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

  1. Describe lac operon.
  2. Categorise the transcripts and elaborate their role in biosynthesis of proteins.
  3. DNA is the genetic material. Substantiate.
  4. Describe linkage and crossing over.

 

 

 

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Loyola College M.Sc. Zoology April 2008 Genetics Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

DE 41

M.Sc. DEGREE EXAMINATION – ZOOLOGY

SECOND SEMESTER – APRIL 2008

    ZO 2801 – GENETICS

 

 

 

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

Time : 1:00 – 4:00

SECTION-A

Answer ALL                                                                                                           (10 x 2 = 20)

1.Categorize substitution mutations

2.Comment on DNA polymerase

  1. Explain hybrid vigour.
  2. Comment on epistasis
  3. Differentiate transformation and transduction.
  4. What are interferons?

7.What are multiple alleles?

  1. Explain nucleolar organizer.

9.Comment on amniocentesis.

10.Distinguish monosomy from polysomy.

SECTION-B

Answer any FOUR                                                                                               (4 x 10 = 40)

11.Explain the role of genes in development.

12.Explain the semi conservation type of replication.

13.Write notes on PCR.

14.Describe bacterial conjugation.

15.Enumerate inherited disorders in man.

16.Explain the importance of prenatal diagnosis.

SECTION-C

Answer any TWO                                                                                     (2 x 20 = 40)

17.Cancer is a genetic disease. Justify.

18.DNA is the genetic material. Substantiate.

19.Describe linkage and crossing over.

  1. Write an essay on biosynthesis of protein.

 

 

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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 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 2008 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 2007

ZO 5501 – GENETICS

 

 

 

Date & Time: 28/04/2007 / 1:00 – 4:00 Dept. No.                                              Max. : 100 Marks

 

 

PART-A

Answer ALL.                                                                                                            (10×2=20 marks)

 

  1. What are Euthenics, Eugenics and Euphenics.
  2. Give an example for complete linkage.
  3. What are Hfr Cells.
  4. When a normal woman whose father is a colorblind is married to a colorblind man.

Find out the possible colorblind condition in their progeny.

  1. Define the following.
  2. Cistron b. Recon
  3. What is a phage?
  4. Define Amniocentesis.
  5. Find the result of the following crosses.
  6. AO x BO b. AB x OO
  7. Find out the gene frequency of A and a. Where the genotype frequency of ‘a’ is 0.64.
  8. Give the phenotypic and genotypic ratios of a dihybrid Mendelian cross.

 

PART-B

 

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

 

  1. Write a paragraph on Gene Mutations.
  2. Discuss out breeding and its advantages.
  3. Explain the X-linked inheritance with suitable examples.
  4. Define Maternal Inheritance with suitable examples.
  5. What is linkage? Classify types of linkage with examples.
  6. What is non-disjunction? Explain with klinefelter’s syndrome as the example.

PART-C

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

 

  1. a. Define Hardy Weinberg’s Law.
  2. Explain in detail the gene and genotype frequencies.
  3. Elaborate the factors affecting HW Law of equilibrium.
  4. Explain in detail the mendel’s laws of inheritance.
  5. Write an essay on multiple alleles with suitable examples.
  6. a. What is human genome project.
  7. Explain in detail the merits and demerits of the project.

 

 

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Loyola College B.Sc. Adv. Zoology & Bio-Technology Nov 2016 Genetics Question Paper PDF Download

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Loyola College B.Sc. Adv. Zoology & Bio-Technology April 2008 Genetics Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

       B.Sc. DEGREE EXAMINATION – ADVANCED ZOOLOGY & BIOTECH.

DE 39

 

FIFTH SEMESTER – APRIL 2008

AZ 5501 / ZO 5501 – GENETICS

 

 

 

Date : 28/04/2008                Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

PART – A

Answer ALL:                                                                                                 (10 x 2 = 20)

 

  1. Distinguish inbreeding from out breeding
  2. Define Amniocentesis.
  3. What is Trisomy. 21
  4. Comment on Wiener’s hypothesis.
  5. Comment on chargaff rule.
  6. Comment on Random genetic drift.
  7. Differentiate virulent phage from non-virulent phage.
  8. Comment on Germ-line mosaicism.
  9. What is cistron?
  10. What is Law of Independent assortment?

 

PART – B

Answer any FOUR:                                                                                      (4 x 10 = 40)

 

  1. State the Hardy Weinberg Law of Equilibrium.
  2. Explain in what respect the discovery of Multiple alleles contribute to concept of the gene.
  3. Give an account on chromosomal aberration and categorise numerical and structural aberration.
  4. Describe the Operon concept in bacteria with its significance and genetic properties.
  5. Give an account on sex linked inheritance with a suitable example.
  6. Write a note on inherited metabolic disorders in man.

 

PART – C

Answer any TWO                                                                  (2 x 20 = 40)

 

  1. DNA is genetic material in bacteria and most viruses. Discuss.
  2. Give an illustrative account of bacterial conjugation, transformation and transduction with suitable diagrams.
  3. Why did Mendel choose pea as the experimental material in his hybridization experiment? Give an account of the Procedure and methods of drawing the conclusion from the result of the experiment.
  4. Write an essay on genetic counselling in rare diseases and its complication.

 

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