B.Sc Corporate Plant Biology and Biotechnology Question Paper 2008

Loyola College B.Sc. Plant Biology and Biotechnology April 2008 Bioinformatics Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

      B.Sc. DEGREE EXAMINATION – PHYSICS & PL.BIO.& BIOTECH.

DE 8

 

FOURTH SEMESTER – APRIL 2008

AZ 4200 / 4202 – BIOINFORMATICS

 

 

 

Date : 24/04/2008                Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

PART–A

Answer   ALL the  questions                                                                (10 x 2 =20)

  1. What is computational biology?
  2. State ‘FASTA FORMAT’
  3. What is biological data mining?
  4. Distinguish alpha helix from beta pleat.
  5. Define Tanimoto coefficient.
  6. How do you down load Rasmol?
  7. What are logical operators? Mention any two of them.
  8. Name various types of Amino acids found in the biosystem.
  9. Comment on Phylip and SOPMA
  10. Expand PUBMED and  EXPASY.

PART-B

Answer any FOUR  of the following                                                             (4X10=40)

  1. Describe Sanger method of sequencing.
  2. State the applications of human genome project.
  3. When will you perform BLAST and CLUSTAL ‘W’? What would be the output?
  4. Highlight the principle and application of microarray.
  5. Demonstrate primary and secondary structure analysis of a protein using relevant tools
  6. Write down a program in C to find the biggest of three numbers using logical operators.

PART-C

Answer any TWO of the following                                                    (2X20=40)

  1. Propose a protocol for each of southern  blotting and DNA finger printing techniques.
  2. Give an account on biological data bases and explain the tools associated for     analysis
  3. Classify proteins based on structure.  How do you view them using bioinformatics tools.
  1. Highlight the following in view of pharmainformatics: a) Target indentification and validation b)

Compound optimization   c) QSAR    d) Docking algorithm

 

 

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Loyola College B.Sc. Plant Biology and Biotechnology April 2008 Biochemistry And Environmental Biotech Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

          B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

KL 45

 

THIRD SEMESTER – APRIL 2008

VS 323 – BIOCHEMISTRY AND ENVIRONMENTAL BIOTECH.

 

 

 

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

Time : 9:00 – 12:00

PART A         (10 x 2 = 20 marks)

 

Answer ALL questions. All questions carry equal marks.

Write short notes on the following each within 50 words.

 

  1. Peptidoglycans
  2. Signal molecule
  3. Active site
  4. Repeat sequence
  5. Coenzyme
  6. Cryopreservation
  7. Oxidation pond
  8. Bioremediation
  9. Insecticidal crystal protein
  10. VAM Fungi

PART B (5 x 8 = 40 marks)

 

Answer any FIVE of the following not choosing more than 3 in each section. Each should not exceed 350 word..

SECTION A

 

  1. Write notes on bonding patterns present in the DNA.
  2. Explain the kinetics of enzyme reaction.
  3. Brief out the method of ELISA.
  4. How are enzymes classified based on its reactions?

 

SECTION B

  1. Explain about activated sludge digestor.
  2. Comment on nonrenewable resources.
  3. Write notes on bacterial biopesticides.
  4. Describe about nitrogenous biofertilizers used in agriculture.

 

PART  C (2 x 20 = 40 marks)

Answer the following not exceeding 1200 words each.

 

  1. (a) Write an essay on the various uses of enzymes.

Or

(b) Explain about the classifications of proteins.

 

  1. (a) Give a detailed account on sewage wastewater treatment.

Or

(b) Explain in detail about the process of bioleaching in metallurgy.

 

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Loyola College B.Sc. Plant Biology and Biotechnology April 2008 Animal Diversity Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & BIOTECH

DE 3

 

SECOND SEMESTER – APRIL 2008

AZ 2102 – ANIMAL DIVERSITY

 

 

 

Date : 25-04-08                  Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

PART – A

Answer ALL the questions.                                                              10 x 2 = 20 Marks

  1. What is a trophozoite?
  2. Write a note on radula.
  3. Drawn a labeled diagram of tenth segment in leech.
  4. What is medusa?
  5. Comment on the last abdominal appendages of prawn.
  6. What is gravid proglottid?
  7. Comment on hirudin
  8. Comment on Scolex of tapeworm?
  9. What is pectin?
  10. What is planula larva?

PART – B

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

  1. Explain the digestive system of frog.
  2. Write notes on the life cycle of Ascaris
  3. Explain pulmonary respiration in frog.
  4. Give the life cycle of Obelia
  5. Explain water vascular system of starfish.
  6. Give the life cycle of Entamoeba histolytica.

PART – C

Answer any TWO of the following                                                   2 x 20 = 40 Marks

  1. Describe the life cycle of Taenia solium.
  2. Explain in detail digestive system of leech.
  3. Give in detail respiration in birds.
  1. Write an essay on parental care in fishes.

 

 

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Loyola College B.Sc. Plant Biology and Biotechnology April 2008 Agricultural Entomology Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & BIOTECH.

 

DE 5

 

THIRD SEMESTER – APRIL 2008

AZ 3200 / ZO 3200 – AGRICULTURAL ENTOMOLOGY

 

 

 

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

Time : 1:00 – 4:00

PART – A                       Answer ALL the questions                              10 x 2 = 20  Marks

  1. What is stomach poison?
  2. Explain a light trap.
  3. What is royal jelly?
  4. Write a note on fumigants.
  5. What is an earthen cocoon?
  6. Give the scientific names of any two paddy pests
  7. What is IPM?
  8. What is a biomagnification?
  9. Comment on camera lucida.
  10. Draw labeled diagram of mouthparts of butterfly.

 

PART – B                Answer any FOUR of the following                    4 x 10 = 40 Marks

  1.   Explain the life cycle of locusts and their control measures.
  2.   Describe any three pests of cotton and their prophylaxis.
  3.   Write notes on Heliothus armigera
  4.   What are the different types of sterile termites?
  5.   Write account on any three pest of groundnut and their control.
  6.   Classify insecticides based on mode of action.

 

PART – C           Answer any TWO of the following                2 x 20 = 40 Marks

  1.  Discuss IPM.
  2.  Write an essay on biological control.
  3.  Give the classification of insects.
  4.  Explain the different types of mouthparts in insects.

 

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Loyola College B.Sc. Plant Biology and Biotechnology Nov 2008 Principles Of Horticulture Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

    B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

 

ED 02

 

FIRST SEMESTER – November 2008

PB 1504/PB 5402 – PRINCIPLES OF HORTICULTURE

 

 

 

Date : 12-11-08                     Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

PART A   

 

Answer all the questions, each answer within 50 words only.          (10×2=20 Marks)

 

  1. What is topiary?
  2. Mention any two famous gardens in India.
  3. What is a stake?
  4. Define compost.
  5. What type of plants will you choose for rockery?
  6. Write notes on terrarium and statuettes.
  7. What is the purpose of debudding?
  8. Draw any two hair decorations.
  9. What is mulching?
  10. Mention any two gardens that has floral clock.

 

PART B    

 

Answer the following questions, each within 300 words.

 Draw diagrams wherever necessary.                                                (5X7=35 marks)

 

  1. (a) Give a labeled sketch of a kitchen garden.

(or)

(b) Explain Hydroponics.

 

  1. (a) Describe the steps involved in grafting.

(or)

(b) Differentiate a green house and a glass house.

 

  1. (a) How will you decorate your garden with herbaceous edge and carpet beds?

(or)

(b) Write a short note on roof gardening

 

  1. (a) Give brief account of shade loving plants.

(or)

(b) How will you prepare a garden and other floral ornaments?

 

  1. (a) What precautions will you take in transplantation?

(or)

(b) What is vermicomposting?

 

PART – C 

 

Answer any THREE of following questions, each not exceeding 1500 words.

Draw diagrams wherever necessary.                                                       (3×15=45 Marks)

 

 

  1. Write an essay on the structure and management of a nursery.

 

  1. How will you design a Botanical garden?

 

  1. What is Bonsai? Explain the methods involved.

 

  1.  Give an account of classification, selection, planning and maintenance of

fruit farm and add a note on fruit picking.

 

  1. Discus the cultural practices of Rose.

 

 

 

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Loyola College B.Sc. Plant Biology and Biotechnology Nov 2008 Plant Physiology Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

         B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

ED 07

 

FIFTH SEMESTER – November 2008

PB 5509 – PLANT PHYSIOLOGY

 

 

 

Date : 03-11-08                     Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART-A (20 marks)

  1. Choose the correct answer: (5 x 1 = 5 marks)

 

  1. Guttation occurs through
  • Hydathodes (b) Stems         (c) Roots          (d) Lenticels
  1. Light reaction takes place in the
  • Stroma (b) grana         (c) lamella       (d) matrix
  1. The hormone responsible for fruit ripening is
  • ABA (b) Auxin          (c) Ethylene     (d) Gibberellic acid
  1. Glycolysis takes place in the
  • Cytoplasm (b) Mitochondria (c) Chloroplast            (d) Golgi bodies
  1. The enzyme nitrogenase is highly sensitive to
  • Nitrogen (b) Argon         (c) Oxygen       (c) Halogen

 

  1. State whether the following statements are True or False: (5 x 1 = 5 marks)

 

  1. Water potential is the sum of solute, matric and pressure potential.
  2. Calcium is responsible for the formation of cell wall.
  3. Photolysis of water is associated with Photosystem I.
  4. Lysosomes are linked with photorespiration
  5. Flowering depends on the ration of Pr to Pfr

 

  • Complete the following: (5 x 1 = 5 marks)

 

  1. The movement of water from the soil to plants through the living cells is called ____________.
  2. Active uptake of minerals is dependent on ______________.
  3. 2, 4-D is a selective _______________.
  4. The symbiotic nitrogen-fixing bacterium in the root nodules is ______________.
  5. Bolting is associated with _________________.

 

  • Answer the following in 50 words: (5 x 1 = 5 marks)

 

  1. Comment on Antitranspirants.
  2. Write a note on Kranz Anatomy
  3. Definef SPAC.
  4. What is the relation to carbon with respect with respect to nitrogen metabolism?
  5. What are the characteristics of salinity on crop plants?

 

 

 

 

PART-B

 

Answer any FIVE of the following in about 350 words:                                       (5 x 8 = 40 marks)

 

  1. Enumerate the theories related to active uptake of solutues.
  2. What are the different types of dormancy and write a note on the methods to break dormancy.
  3. How are amino acids synthesized?
  4. Explain cyclic photophosphorylation.
  5. Write short notes on Gluconeogenesis.
  6. Describe the theories associated with stomatal movement.
  7. Elaborate on glycolate pathway.
  8. Describe the metabolism in CAM plants.

PART-C

 

Answer the following questions in about 1500 words:                              (2 x20 = 40 marks)

 

  1. (a) Illustrate the types of C4 Compare C3 with C4 plants.

(OR)

  • What is the fate of pyruvic acid in the presence of oxygen?
  1. (a) Give the bioassays, mechanism of action and application of auxins.

(OR)

  • Discuss in detail the physiology of flowering.

 

 

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Loyola College B.Sc. Plant Biology and Biotechnology Nov 2008 Plant Diversity – I Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

ED 01

 

   B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

FIRST SEMESTER – November 2008

  PB 1502 / 1500 – PLANT DIVERSITY – I

(ALGOLOGY, MYCOLOGY, BRYOLOGY)

 

 

Date : 10-11-08                     Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

PART – A

Answer ALL  questions, each within 50 words only                                 (10 X 2 = 20 marks)

 

  1. Distinguish between epipelic and epilithic algae.
  2. Mention any two features of prokaryotic cells.
  3. What is coenobium? In which genes it is found?
  4. List any four distinguishin features of Cyclotella.
  5. What are obligate parasites?
  6. Write about any two features of Apothecium of Peziza.
  7. What is dikaryotization?
  8. Name any two types of lichens.
  9. What are gemmae?
  10. What is the common name for Anthoceros? Why it is called so?

 

PART – B

Answer the following, each within 300 words.

Draw a diagrams wherever necessary.                                                       (5 X 7 = 35 marks)

 

  1. a) Give an account of pigments in different classes of algae.

(or)

  1. b) Discuss the lifecycle patterns in Algae.
  2. a) Describe the cell structure of Anabaena

(or)

  1. b) Give an account of asexual reproduction in Ectocarpus.
  2. a) Explain parasexuality in Fungi.

(or)

  1. b) Write an account of nutrition in Fungi.
  2. a) Discuss sexual reproduction in Saccharomyces

(or)

  1. b) Describe the internal structure of thallus of Fruticose lichen.
  2. a) Explain the structure of archegonium in bryophytes.

(or)

  1. b) Describe the capsule in Funaria.

PART – C

Answer any three  questions, each within 1200 words.                             (3 X 15 = 45 marks)

 

  1. Give an account of classification of algae proposed by Harold C Bold.
  2. Describe the lifecycle of Polysiphonia.
  3. Discuss the various fruiting bodies produced by fungi.
  4. Why puccinia is called heterocecious fungus? Explain its lifecycle.
  5. Compare the sporophyte of marchantia and Anthoceros.

 

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Loyola College B.Sc. Plant Biology and Biotechnology Nov 2008 Plant Bio-Technology Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

   B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

ED 10

 

FIFTH SEMESTER – November 2008

PB 5512 – PLANT BIO-TECHNOLOGY

 

 

 

Date : 10-11-08                     Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART –A                                       (20 marks)

 

  1. Choose the correct answer (5×1=5)
  1. The sugar used in MS medium is
  1. Sucrose b. Maltose c. Galactose       d. Glucose

 

  1. The fusogen used in protoplast fusion  is
  1. PEP b. PEG c. KNO3         d. PVP

 

  1. The type of DNA present in the chloroplast is
  1. ss linear DNA b ds linear DNA   c. ds circular DNA    d. ss circular DNA

 

  1. The tracking dye used in electrophoresis is
  1. Bromophenol blue b. Bromocresol blue
  2. Bromothymol blue d. Bromoazol blue

 

  1. The organism used as bioinsecticides for cotton is
  1. Bacillus thruemgensis b. Bacillus polymyxa
  2. Bacillus subtilis d. Bacillus cereus

 

  1. State whether the following statements are True or False (5×1=5)

 

  1. Cytokinins are the hormones used for shoot induction.

 

  1. nod genes are present in the legume nodules.

 

  1. Somatic embryo can be initiated by absisic acid.

 

  1. Meristem is considered as the region free of microbes.

 

  1. Western Blotting is used for DNA separation.

 

III. Complete the following                                                                      (5×1=5)

 

  1. ______________ is an unorganised mass of cells.

 

  1. RAPD can be expanded as ______________________________.

 

  1. Cryopreservation is carried out at ____________°C temperature.

 

  1. Ti plasmid is responsible for production of the hormones like______________.

 

  1. The enzyme used in PCR is_______________ polymerase.

 

IV Answer the following within 50 words                                       (5×1=5)

     Write short notes on

 

  1. IBA

 

  1.  Somaclonal variation

 

  1. Embryo culture

 

  1. Particle gun bombardment

 

  1. Transgenic plants

 

PART – B

Answer any FIVE of the following in about 350 words                       (5×8=40)

 

  1. Write the procedure followed for induction of shoot and root.
  2. Explain somatic hybridisation.
  3. Describe the mitochondrial genome and its function.
  4. Describe electrophoresis of RNA
  5. Explain the concept of molecular probes.
  6. Elaborate on selection markers and their uses.
  7. Describe the scope and history of Plant Tissue culture.
  8. What are Ti plasmids? Explain the molecular mechanism involved in transformation                       with Ti plasmid.

 

PART-C

Answer the following in about 1500 words                                          (2X20=40)

 

  1. a. Write in detail the in vitro culture of plants using hormone.

OR

  1. Describe organ culture and add a note on artificial seeds.

 

  1. a. Explain the use of gene mapping and molecular markers in crop improvement.

OR

  1. Discuss in detail the organisation of plant genome, mitochondrial DNA

and chloroplast |DNA.

                                                 

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Loyola College B.Sc. Plant Biology and Biotechnology Nov 2008 Plant Bio-Chemistry Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

ED 21

 

   B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

FIFTH SEMESTER – November 2008

PB 5403 – PLANT BIO-CHEMISTRY

 

 

 

Date : 14-11-08                     Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

PART A                                                   (20 marks)

Answer All questions

 

I Choose the Correct Answer                                                                     ( 5 x 1 = 5 marks)

  1. Solution having pH 6.5 is …….
  2. low acidic b. highly acidic            c. low alkaline             d. highly alkaline.
  3. The α – carbon in all amino acids is asymmetric except ….
  4. proline b. serine                       c. glycine                     d. glutamine
  5. The number of peptide bonds present in a tripeptide is ….
  6. 1 b. 2                  c. 3                  d. 4
  7. Pick the odd one out.
  8. fats b. waxes          c. glycolipids               d. terpenoids
  9. The multiple forms of an enzyme catalyzing the same reaction is ………
  10. holoenzyme b. isoenzyme               c. co enzyme               d. allosteric enzyme

 

II State whether the following statements are True or False               \  (5 x 1 = 5 marks)

  1. TEMED acts as a catalyst in SDS-PAGE.
  2. Starch is a homopolysaccharide.
  3. Globular proteins are soluble in water.
  4. An alcohol group in lecithin is glycerol.
  5. IUB refers to international union of biochemistry.

 

III. Complete the following                                                                     ( 5 x 1 = 5 marks)

  1. Transfer of one or more electrons from one atom to another is referred to as …..
  2. A carbon is said to be asymmetric when it is attached to …. different atoms or groups.
  3. The R group in Glycine is …..
  4. ………. fatty acids do not contain double bond.
  5. ……….. catalyzes bond formation between two substrate molecules.

 

  1. Answer all, each in about 50 words  ( 5 x 1 = 5 marks)
  2. What is Beer and Lambert law?
  3. What is inulin?
  4. Distinguish between essential and non-essential amino acids.
  5. Define fatty acid.
  6. What is a coenzyme?

 

PART B                       (5 x 8 = 40 marks)

Answer any five, each within 350 words only. Draw diagrams and flowcharts wherever necessary.

 

  1. Write down the basic principle and types of chromatography. Add a note on its significance.
  2. Define biomolecules. Describe the structure of an atom.
  3. Describe the structure and properties of cellulose and starch.
  4. What biological functions do proteins perform?
  5. Give an account of classification of proteins.
  6. Explain the types of secondary metabolites. Add a note on their significance
  7. Describe the classification of enzymes.
  8. Give a brief account of oxidation of fatty acids

PART C                       (2 x 20 = 40 marks)

 

Answer the following, each within 1500 words only. Draw diagrams and flowcharts wherever necessary.

 

29a. Give a detailed account of SDS-PAGE and Agarose gel electrophoresis.

 

Or

  1. Explain the structure and properties of monosaccharide and disaccharides.

 

30a. i . Define active site.  Explain the mechanism of enzyme action (8 marks).

  1. Define enzyme inhibition. Explain the types of enzyme inhibition. (12 marks)

Or

  1. i. Describe the general classification of lipids and fatty acids.(10 marks)
  2. Briefly explain the chemical bonds involved in protein structure. (10 marks)

 

 

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Loyola College B.Sc. Plant Biology and Biotechnology Nov 2008 Microbial Technology Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

ED 19

 

   B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

FIFTH SEMESTER – November 2008

PB 5400 – MICROBIAL TECHNOLOGY

 

 

 

Date : 12-11-08                     Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART A (20 marks)

Answer all questions

 

  1. Choose the correct answer (5 x 1 = 5)

 

  1. Fermentors are constructed using
  2. a) glass b) steel                         c) titanium                   d) all the above
  3. Whey is used as a source for _____
  4. a) carbon b) nitrogen                   c) vitamin                    d) inducer
  5. Hepatitis B vaccine is administered to immunize against
  6. a) typhoid b) cholera                    c) jaundice                   d) TB
  7. Acetic acid is obtained from
  8. a) Glucanobacter b) Pseudomonas          c) Aspergillus              d) Alcaligenes
  9. The source for dextran is
  10. a) Pseudomonas b) Leuconostoc                        c) Acetobacter             d) Vibrio

 

  1. State whether the following statements are true or false (5 x 1 = 5)

 

  1. Baffles increase aeration.
  2. Fusarium is used in the production of mycoprotein.
  3. Insulin is a dipeptide hormone.
  4. Blakeslea is used in ß-carotene production.
  5. Xanthan is a polysaccharide from fungi.

 

 

III. Complete the following                                                                (5 x 1  = 5 )

 

  1. Soyabean meal is used popularly as a _____ source.
  2. Spirulina is a _______ alga.
  3. Vitamin B6 is produced by the microorganism ______.
  4. Rennet is a _______ protease.
  5. Alginate is obtained from the bacterium ______.

 

 

  1. Answer the following each in about 50 words (5 x 1= 5)

 

  1. Define spargers.
  2. Mention any two lactic acid producing bacteria.
  3. Name two organism used in the production of vitamin A.
  4. Define immobilization.
  5. What is gasohol?

 

PART  B

 

Answer any five of the following, each answer not exceeding 350 words

Draw diagrams and flowcharts wherever necessary                           ( 5 x 8 = 40)

 

  1. Write short notes on the characteristics of a medium.
  2. List out the facilities needed in a fermentation based industry.
  3. Write short notes on cheese production.
  4. Describe the process involved in cultivation of Spirulina.
  5. Write notes on Penicillin production.
  6. Explain in detail about the production of Vitamin B12.
  7. Discuss about the production of citric acid.
  8. Write notes on biopesticides.

 

PART C

 

Answer the following, each answer not exceeding 1500 words.

Draw diagrams and flowcharts wherever necessary                           (2 x 20 = 40)

 

  1. Describe in detail about the structure of a fermentor and explain the function of each part.

 

(or)

  1. Write detailed notes on Beer production.

 

  1. Write notes on : i. Insulin production ii. Biotransformation

(or)

  1. What are biofertilizers? Explain the methods used in the mass production of any two biofertilizers.

 

 

 

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Loyola College B.Sc. Plant Biology and Biotechnology Nov 2008 Immunology And Immuno Technology Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

    B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

 

ED 12

 

FIFTH SEMESTER – November 2008

PB 5406 – IMMUNOLOGY AND IMMUNO TECHNOLOGY

 

 

 

Date : 12-11-08                     Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A                                          (20 marks)

 

Answer ALL questions

 

  1. Choose the correct answer             (5 x 1 = 5)

 

  1. The Greek word vacca means
  2. a) disease b) immunity     c) small pox                 d) cow
  3. CH has _____ amino acids
  4. a) 110 b) 220              c) 100                          d) 330
  5. The enzyme used in ELISA is
  6. a) protease b) lipase           c) peroxidase               d) amylase
  7. Which of the immunoglobin passes from mother into the foetus?
  8. a) Ig A b) Ig G                        c) Ig M                                    d) Ig E
  9. Which animal is used in large scale production of antisera?
  10. a) rabbit             b) guinea pig   c) buffalo                    d) horse

 

 

  1. State whether true or false             (5 x 1 = 5)

 

  1. Rabies vaccine was invented by Koch.
  2. The decreased immunity is also related to hormonal disorders.
  3. Haptens are large molecular substances.
  4. ELISA uses radiolabelled antibodies.
  5. Myeloma cells are used because they are immortal.

 

 

III. Complete the following                                                                                                    (5 x 1  = 5 )

 

  1. Tears contain the enzyme _______.
  2. The immunoglobin ______ is associated with allergic response.
  3. The principle of blood grouping is _______ .
  4. ________ stem cells are seen in the Bone marrow.
  5. ___________ medium is used to grow hybridoma.

 

  1. Answer the following each in about 50 words (5 x 1= 5)

 

  1. List any two contribution of Pasteur.
  2. What is an epitope?
  3. Mention two characteristics of IgE.
  4. Define agglutination.
  5. What is a Myeloma cell?

 

 

 

PART  B

 

Answer any FIVE of the following, each answer not exceeding 350 words

Draw diagrams and flowcharts wherever necessary.                                                  ( 5 x 8= 40 marks)

 

  1. Write notes on the important breakthroughs in immunology.
  2. Give an outline on immunity schedule.
  3. Write short notes on antigens.
  4. Discuss briefly about immunodiffusion.
  5. Write short notes on radioimmunoassay.
  6. Discuss briefly about the organs of the immune system.
  7. Give an account of cytokines and their significance.
  8. What are polyclonal antibodies? How are they produced?

 

 

Part C

 

Answer the following, each answer not exceeding 1500 words.

Draw diagrams and flowcharts wherever necessary.                                                  (2 x 20 = 40 marks)

 

  1. Explain in detail about vaccines and their types.

 

(or)

 

  1. Give an account on antibodies, their properties and structure.

 

  1. Write detailed notes on cell mediated immunity.

 

(or)

 

  1. Discuss in detail about the steps involved in the production of monoclonal antibodies and list out the applications of MAbs.

 

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Loyola College B.Sc. Plant Biology and Biotechnology Nov 2008 Genetics Plant Breeding & Evolution Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

ED 08

 

B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

FIFTH SEMESTER – November 2008

PB 5510 – GENETICS PLANT BREEDING & EVOLUTION

 

 

 

Date : 05-11-08                     Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

PART – A

  1. Choose the correct answer.

(5 x 1 = 5)

  1. Transformation experiment gave a proof of the fact that
  2. Bacteria reproduce sexually b) RNA is the genetic material  c) DNA is the genetic material         d) Chromosomes are made of DNA
  3. A micromutation is
  4. Change in gene b) addition of chromosome     c) delition of chromosome      d) monoploidy
  5. The theory of iheritance of acquired characters was proposed by
  6. Darwin b) Lamarck      c) Weismann               d) Mendel
  7. One of the following organellels is related with genetic engineering
  8. Plastids b) mitochondria           c) Golgi apparatus       d) Plasmids
  9. The following does not play and part in evolution
  10. Mutation b) polyploidy               c) acquired characters             d) natural selection

 

  1. State Whether the following statements are true or false

(5 x 1 = 5)

  1. In E.coli Lac operon is induced by lactose
  2. A cross of the F1 with the recessive parent is known as back cross
  3. Neurospora is suitable for genetic studies because it has very short life.
  4. The term pureline was introduced by Wallace.
  5. Inorganic evolution explains the changes that are taking place in nonliving objects.

 

III        Complete the following.

(5 x 1 = 5)

  1. A complete set of chromosomes inherited as a unit from one parent is called __________.
  2. Hereditary variations in plant can be produced by ________________
  3. The genotype of the F2 heterozygous tall is __________________
  4. Emasculation is achieved by the removal of ________________
  5. ‘Origin of species’ was written by ______________

 

  1. Answer all questions, each within 50 words.

(5 x 1 = 5)

  1. What is incomplete dominance?
  2. Define cistron
  3. What is Down’s syndrome?
  4. Write short notes on point mutation.
  5. Define heterosis

 

 

PART – B                                          (5 x 8 = 40)

 

Answer any FIVE, each within 350 words. Draw diagrams wherever necessary:

 

  1. Give an account of post transcriptional modifications.
  2. Explain briefly about cytoplasmic inheritance with suitable example.
  3. Write notes on the objectives of Plant breeding
  4. Describe the mass selection.
  5. Write notes on chemical mutagens
  6. Discuss about the sex determination in plants.
  7. Write short notes on Hybridization techniques.
  8. Briefly explain the principles of Lamarckism.

 

PART – C                                          (2 x 20 = 40)

 

Answer the following, each within 1500 words. Draw diagrams wherever necessary:

 

  1. a) Give an account on Polyploidy. Add a note on its significance.

(or)

  1. Write an essay on different types of chromosomal aberrations.

 

  1. a) Give a detailed account of DNA repair mechanisms

(or)

  1. Write notes on:
  • Multiple alleles
  • Lethal genes
  • Transposable elements

 

 

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Loyola College B.Sc. Plant Biology and Biotechnology Nov 2008 Genetics And Plant Breeding Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

ED 18

B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

FIFTH SEMESTER – November 2008

PB 5506/ PB 4500 – GENETICS AND PLANT BREEDING

 

 

 

Date : 05-11-08                     Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

PART – A                                                      (20 marks       

 

Answer ALL questions                                                                                              (5 x 1 = 5 marks)

 

  1. Choose the correct answer.

 

  1. A cross of the F1 with the recessive parent is known as
  1. a) Test cross b) back cross c) Single cross            d) double cross.
  1. Hereditary variations in plant can be produced by
  1. a) Auxins b) X-ray                       c) Kinetin                    d) Heat.
  1. A co-ordinated unit which controls the genetic expression
  1. a) cistron b) recon c) operon        d) muton
  1. The thoery of inheritance of acquired characters was proposed by
  1. a) Darwin b) Weisman c) Mendel                    d) Lamarck.
  1. The process of mating of individuals which are more closely related than the average of the population to which they belong is called
  1. a) In-breeding b) Hybridization          c) self breeding           d) Heterosis.

 

  1. State whether the following statements are True or False (5 x 1 = 5 marks)

 

  1. Continuous variations are attributed to crossing over.
  2. In E.coli Lac operon is induced by lactose.
  3. Gene mutation is caused due to change in sequence of nitrogen bases.
  4. The monoallelic heterozygous plant producer only one gamet.
  5. Devries theory of evolution is based on discontinuous variations.

 

III. Complete the following                                                                                  (5 x 1 = 5 marks)

 

  1. Smallest unit which may cause mutation is ___________
  2. Mutations in plants are induced by __________
  3. Unit of distance between genes on the chromosome is _________
  4. The F2 phenotypic ratio for a dihybrid cross is _________
  5. The term pureline was first introduced by _________

 

  1. Answer ALL questions, each within 50 words (5 x 1 = 5 marks)

 

  1. What is Heteroploidy?
  2. Define termination codons
  3. What is polygenic inheritance?
  4. Define heterosis.
  5. What is emasculation?

PART – B

Answer any FIVE each within 350 words.

Draw diagrams wherever necessary.                                                                     (5 X 8 = 40 marks)

 

  1. Briefly describe the sex determination in plants.
  2. Explain cytoplasmic inheritance with suitable example.
  3. Write notes on the objectives of plant breeding.
  4. Describe the pureline selection.
  5. Briefly explain the principles of Lamarckism.
  6. Discuss about klinfelters syndrome.
  7. Write notes on mutagens.
  8. Give an account of post transcriptional modifications.

 

PART – C

 

Answer the following each with in 1,500 words.

Draw diagrams wherever necessary.                                                                           (2 x 20 = 40 marks)

 

  1.  a) Write an essay on chromosomal aberrations.

(OR)

  1. b) Explain in detail the strucure and organization of DNA.

 

  1. a) Explain how gene expression can be regulated in E.Coli with suitable example.

(OR)

  1. b) Explain the following

(i) Transposable elements

(ii) Lethal genes

(iii) Hybridization.

 

 

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Loyola College B.Sc. Plant Biology and Biotechnology Nov 2008 Cell Biology & Anatomy Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

       B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

ED 06

 

THIRD SEMESTER – November 2008

PB 3504 / 4505 – CELL BIOLOGY & ANATOMY

 

 

 

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

Time : 9:00 – 12:00

PART – A

  1. Choose the correct answer.

(5 x 1 = 5)

  1. The space between the two mitochondrial membrane is called

(a). matrix        (b).  cristae      (c).  perimitochondrial space

(d). intermitochondrial space.

 

  1. Giant chromosomes are formed by

(a).   amitosis   (b).  endomitosis         (c). repeated mitosis    (d). mitosis

 

  1. Which takes part in secondary growth?

(a).  apical meristem    (b).  open bundles      (c).  closed bundles

(d). intercalary meristem.

 

  1. Histogen theory was proposed by

(a).  Nageli      (b).  Henstein  (c).  Schmidt   (d). Gifford.

 

  1. Amphistomatic leaf is the other name for

(a).  dorsiventral leaf   (b). isobilateral leaf     (c).  phyllode   (d).  cladode.

 

  1. State true or false,

(5 x 1 = 5)

  1. The entire process of respiration occurs in mitochondria.

 

  1. Darkly staining region of chromatin reticulum is called heterochromatin.

 

  1. Chromosome duplicate in interphase stage.

 

  1. Interfascicular cambium is a primary meristem.

 

  1. In Dracaena, secondary growth occurs because the vascular bundles are open.

 

 

III        Complete the following.

(5 x 1 = 5)

  1. The magnification of Electron Microscope is very high because ______________ is very short.
  2. The puffs of polytene chromosome is also called as __________________ .
  3. Crossing over occurs in ____________ stage of meiosis.
  4. The growth that increases the circumference of cambium is called ___________ .
  5. __________________ is formed by breaking down of protoxylem vessels.

 

 

  1. Answer the following each within 50 words.

(5 x 1 = 5)

  1. Write about raphides.
  2. What are chromatids?
  3. Define terminalization.
  4. What is quiescent centre?
  5. Describe the structure of casparian strips.

 

PART – B                                          (5 x 8 = 40)

Answer any FIVE of the following, Each answer within 500 words, Draw  diagrams whenever necessary

 

  1. Describe the ultrastructure and function of plasma membrane.

 

  1. Explain the principle and working mechanism of phase contrast microscopy.

 

  1. Briefly describe the size, shape and ultrastructure of chromosomes.

 

  1. Summarise the salient features of meiosis.

 

  1. Describe the origin, organization and types of vascular cambium.

 

  1. Explain the differentiation of root from the primordia

 

  1. Differentiate dorsiventral and isobilateral leaf.

 

  1. Write notes on             (a).  Nodal anatomy    (b). stomatal types.

 

 

PART – C                                          (2 X 20 = 40)

 

Answer the following questions, Each not exceeding 1200 words.

 

  1. Write an essay on organization of Giant chromosomes.

or

  1. Draw the ultrastructure of a plant cell and briefly describe the compartmentalization in the cells.
  2. Write an essay on the classification and types of meristem. Add a note on Tunica

carpus theory.

or

  1. How is anomalous secondary growth differ from normal secondary growth?

 

 

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Loyola College B.Sc. Plant Biology and Biotechnology Nov 2008 Biophysics Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

        B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

ED 14

 

FIFTH SEMESTER – November 2008

PB 5408 – BIOPHYSICS

 

 

 

Date : 14-11-08                     Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

            PART  A                                                 (20 marks)

Answer ALL questions

I Choose the Correct Answer                                                                                         (5 x 1 = 5 marks)

 

  1. Which among the following are important characteristics of gases?
  2. a) gases are highly compressible b) gases are thermally expandable                
  3. c) most gases have low densities             d) all the above

 

  1. Which among the following is acidic range for pH.
  2. a) 2-5 b) 7                              8-12                         d) none of the above

 

  1. Example of liquid-in-liquid colloids
  2. ice cream         b. paint                       c. milk             d. ink

 

  1. A 0.5M solution of NaCl (molecular weight-59) is prepared by adding___________

     grams of NaCl in 1 litre of water.

  1. a) 59.00 b) 29.50                       c) 118.00                     d) 14.75

 

  1. __________is a branch of physics which deals with the energy and work of a system.
  2. a) radiation b) light                        c) isotopes                   d) Thermodynamics

 

II State whether the following statements are True or False                                                (5 x 1 = 5 marks)

 

  1. Ultrafiltration used to improve the water quality.
07. Volume percent = volume of solute
volume of solution		 x 100.
  1. Plasmids are positively charged molecules.
  2. 400-700nm is the wave length of the visible region of the electromagnetic radiation.
  3. Isotopes are same elements with different atomic mass.

 

III. Complete the following                                                                                                     (5 x 1 = 5 marks)

 

  1. Diffusion refers to the process by which molecules intermingle as a result of their

      ____________ of random motion.

  1. Dialysis tube is made up of _______________.
  2. Immunoelectrophoresis is also called ______________ electrophoresis.
  3. Optical activity is measured using a _______________.
  4. __________occurs when the neutron to proton ratio is too great in the nucleus and

     causes instability.

 

 

 

 

 

 

  1. Answer ALL, each in about 50 words                                (5 x 1 = 5 marks)

 

  1. What is Bernoulli’s equation?
  2. Define buffers.
  3. Explain absorbents.
  4. What is the function of Dichroic Mirror?
  5. What is radiosensitivity?

 

PART B                                              (5 x 8 = 40 marks)

Answer any five, each within 350 words only. Draw diagrams and flowcharts wherever necessary.

  1. Write notes on phases and its types.
  2. Describe the following
  3.  i)   Normality
  4. ii) Mole fraction      

iii)  Determination of osmotic pressure.

  1. Define dialysis. How it works and its uses.
  2. Write the principle, mechanism and uses of Photometry.
  3. Elaborated notes on viscosity.
  4. Write notes on the following
  5. i)  Eelctron Gun.         
  6. ii) Sample preparation method for TEM.
  7. Write brief on Beer and Lambert’s law.
  8. Describe the three types of radioactive decay.

 

PART C                                             (2 x 20 = 40 marks)

Answer the following, each within 1500 words only. Draw diagrams and flowcharts wherever necessary.

 

  1. a) Structure, Working principle and uses of SDS PAGE electrophoresis.

 

(OR)

 

  1. b) Write note on the following
  2.    i)  Write notes on two types of ultracentrifugation. 
  3.    ii) Immunoelectrophoresis and its types.

 

  1. a) Describe the following chromatography techniques and its uses
  2. i)   Thin layer    
  3. ii) Gel filteration        

                         iii)   Gas        

 

(OR)

 

  1. b) Write detailed notes on the following
  2. i) Law of Thermodynamics.
  3. ii)  Structure, function and uses of Fluorescence microscope.

 

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Loyola College B.Sc. Plant Biology and Biotechnology Nov 2008 Bioinformatics Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

ED 13

 

FIFTH SEMESTER – November 2008

PB 5407/PB 5404 – BIOINFORMATICS

 

 

 

Date : 14-11-08                     Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

                                                                 PART – A                                                        (20 marks)

Answer ALL questions.                                                                        

 

I  Choose the correct answer                                                                                           (5×1= 5 marks)

 

  1. Software used for drug designing
  2. INSIGHTII b)  GENSCAN  c)  GLIMMER  d) GRAIL
  3. Software used for gene expression analysis
  4. GENOVIZ b)  GENSCAN  c)  GLIMMER  d) GRAIL
  5. Database for structural classicification of proteins
  6. SCOP b) CATH  c) SGD  d) PROSITE
  7. Tool used for homology modelling
  8. a) MODELLER b) PIPMAKER  c) AUTODOCK  d) INSIGHTII
  9. Tool used for pathway analysis
  10. KEGG b) MODELLER   c)  AUTODOCK d)  INSIGHTII

 

II  State whether the following true or false :                                                              (5×1= 5 marks)

  • ________ is termed as non coding region.
  • ________ is a tool for the gene prediction in microbial genomes.
  • The size of the Homa sapien  genome is _________.
  • Clustalw developed by ___________.
  • ________ is a database for domains & protein families.

 

II  Complete the following:                                                                                              (5×1=5 marks)

 

  • —————- is  a Restriction Site tool.
  • ———— is Splice Site Prediction tool
  • Rasmol is—————-.
  • ————– is multiple sequence alignment tool.
  • DDBJ is maintained by——————-.

 

IV  Write notes on the following, each not exceeding 50 words.                              (5×1=5 marks)

 

  • Write notes on Restriction site
  • Define Swiss-model
  • Difference between Local & Global alignment
  • Comment on BLAST
  • Define INTERNET.

 

PART – B

 

Answer any FIVE of the following, each not exceeding 350 words (8×5= 40 marks)

Draw diagrams / flow charts wherever necessary.

 

  •  Explain the Post Translational Modifications of proteins  with a appropriate example.
  • Explain the principles, types of
  • What are the levels of protein structure & explain them briefly with a appropriate diagram
  • Write notes on a) Paralogs b) Orthologs d) Steps  involved in  Phylogenetic Analysis.
  • Explain briefly about S-W algorithm & add on differences between N-W & S-W algorithm
  • Explain any two important online journal databases briefly.
  • Write briefly about Genomic databases
  • Give short notes on
  1. a) Splicing and its Prediction Tools
  2. b) Software for the Prediction of physical properties of proteins          

 

PART – C

 

Answer the following, each not exceeding 1500 words.

Draw diagrams / flow charts wherever necessary                                                (2×20=40 marks)

  • (a) What is Homology Modelling? Explain briefly about the Steps involved in it ?

(OR)

  • Explain in detail about Secondary Structure of
  1. (a) Explain briefly about Genomic Comparisons. Add a steps and  tools  involved in it

(OR)

  1. b) Explain about the primary and  secondary databases. 

 

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Loyola College B.Sc. Plant Biology and Biotechnology Nov 2008 Angiosperm Taxonomy, Eco. Botany & Embryology Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

ED 05

B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

THIRD SEMESTER – November 2008

PB 3502 – ANGIOSPERM TAXONOMY, ECO. BOTANY & EMBRYOLOGY

 

 

 

Date : 06-11-08                     Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

PART – A

  1. Choose the Correct Answer: (5 x 1 = 5 Marks)
  • A basic unit of Taxonomy is species which was introduced by
  1. John ray b) Bentham and Hooker                     c) Linnaeus      d) Hutchinson
  • Antibiotic tomatine is obtained from the seeds of
  1. Solanum tuberosum b) Lycopersicum esculentum
  2. Crotalaria juncea d) Phoenix Sylvestris
  • Latex is not present in
  1. Euphorbia b) Hevea          c) Cucurbita    d) Calotropis
  • Herkogamy is a contrivance for
  1. Allogamy b) Autogamy   c) Chasmogamy                      d) Cliestogamy
  • Double fertilization occurs in
  1. Ovary b) Ovule          c) Embryo        d) Anther
  2. State Whether the following statements are true or false: (5 x 1 = 5 Marks)
  • Wheat belongs to the family Apocynaceae
  • Cucumis sativus in the botanical name of water melon
  • Tapetum is a part of anther wall
  • Long fibres of cotton seed are known as lint
  • In groundnut, the oil is present in embryo
  • Complete the following:                         (5 x 1 = 5 Marks)
  • Stamens arranged in two bundles are referred as ______________
  • Cyathium inflorescence is the characteristic feature of family _______________
  • The medicine quinine is obtained from the plant ________________
  • The micropyle and chalaza are in straight line in _____________ ovule.
  • Formation of fruit without fertilization is called _________________
  1. Answer the following each within 50 words:                                     (5 x 1 = 5 Marks)
  • What is epipetalous Stamen?
  • Write short notes on Synandrous Condition.
  • What is Pollen Kitt?
  • Distinguish between spices and condiments.
  • What is Apomixis?

PART – B

 

Answer any FIVE of the following each within 350 words:                           (5 x 8 = 40 Marks)

 

  • Describe the floral characters of the families Apocynaceae and Amaranthaceae
  • Write short notes on herbarium techniques
  • Describe the inflorescence of Euporbiaceae
  • Give the economic importance of any two cereals and two pulses
  • Describe the development of male gametophyte
  • Write the botanical name, family, morphology of useful parts and uses of any four timber yielding plants.
  • Briefly describe the process of double fertilization
  • Describe the structure and development of tetrasporic embryosac

PART – C

 

Answer the following each within 1500 words:                                                (2 x 20 = 40 Marks)

 

  • a) Give an outline of Bentham and Hooker’s classification. Add a note on its merits and demerits

(or)

  1. Compare the salient features of the family capparidaceae and cucurbitaceae.

 

  • a) Explain the structure and development of Nuclear and cellular endosperm

(or)

  1. Explain the structure and development of monocot embryo.

 

 

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