B.Sc Plant Biology and Biotechnology Question Paper

Loyola College B.Sc. Plant Biology and Biotechnology April 2012 Herbal And Ethanobotany Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FIFTH SEMESTER – APRIL 2012

PB 5517/PB 5511/PB 5503 – HERBAL AND ETHANOBOTANY

 

 

 

Date : 30-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

 

Answer the following, each with in 50 words only:                                      (10 X 2 = 20 marks)

 

  1. What is aromatherapy?
  2. What is meant by drug adulteration?
  3. What is the role of herbarium in herbal medicine?
  4. What is ontogenetic variation?
  5. Write any two therapeutic values of Phyllanthus amarus.
  6. What is a sitz bath?
  7. Write about tinctures.
  8. What is hydrotheraphy?
  9. Distinguish between Ayurveda and Siddha medicines.
  10. Who are Todas?

PART – B

 

Answer the following, each answer with in 500 words;

Draw diagrams wherever necessary:                                                                   (5 x 7 = 35 marks)

 

  1. a) Describe the evaluation method in drug analysis.

(OR)

  1. b) Summarize the medicinal properties of Andrographis paniculata and Ocimum

     sanctum.

 

  1. a) Explain the chemical composition and medicinal uses of Ginger.

(OR)

  1. b) Briefly describe the procedure for preparing capsules and elixirs.
  2. a)  Write short notes on the preparation of herbal oils.

(OR)

  1. b) Give an account on the medicinal uses of Eclipta alba.

 

  1. a) Briefly explain the ayurvedha system of medicine.

(OR)

  1. b) Write about the preparation and storage methods of plant drugs for

commercial purpose.

 

  1. a) Write an account on tribal economy and governments efforts in tribal welfare.

(OR)

  1. b) What is intellectual property rights in relation to traditional medicine?

 

 

PART – C

 

Answer any three of the following, each with in 1200 words;

Draw diagrams wherever necessary:                                                               (3 x 15 = 45 marks)

 

  1. Write an essay on the classification and evaluation of drug plants.
  2. What are phytochemicals? Write an easy on alkaloids.
  3. Describe the medicinal properties and extraction of phytochemicals from Azhadiracta and Vinca rosea.
  4. Write an essay on the methods of extraction of aroma oils.
  5. Write about the importance of ethno botany in the traditional Indian system of medicine.

 

Go To Main Page

Loyola College B.Sc. Plant Biology and Biotechnology April 2012 Environmental Biotechnology Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

SIXTH SEMESTER – APRIL 2012

PB 6610/PB 6605 – ENVIRONMENTAL BIOTECHNOLOGY

 

 

 

Date : 18-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

PART-A

 

Answer the following, each within 50 words only:                                         (10X2=20 Marks)  

 

  1. What is Biogas?
  2. What is silage?
  3. Define Biosorption.
  4. What are Lagoons?
  5. What are Xenobiotics?
  6. Write the uses of Lowshear air lift reactor?
  7. Explain Bioventing.
  8. Define biomineralization.
  9. Define Biofilm.
  10. What are radionuclides?

 

 

PART-B

 

Answer the following within 500 words each:

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

 

  1. a) Give an account on Hydrogen Production.

(OR)

  1. b)  Write briefly about non-conventional energy resources.

 

  1. a) Describe in detail about the working of trickling filter in sewage treatment.

(OR)

  1. b) Explain Anaerobic digestion of sewage.

 

  1. a) Explain the degradation pathway of any one xenobiotics.

(OR)

  1. b) Discuss the Soil pollution by Xenobiotics.

 

  1. a) Explain briefly about the process of Phytoremediation.

(OR)

  1.  b)  Describe the design of Plug flow reactor.

 

 

 

 

 

  1. a) Explain the methods employed in microbial leaching.

(OR)

  1. b)  Give an account on biocorrosion.

 

 

PART-C

 

Answer any THREE of the following, each with 1200 words:

Draw  diagrams wherever necessary:                                                                   (3X15=45 marks)

 

 

  1. Give a detailed account on Recycling of solid waste products.
  2. Describe in detail about the treatment of oil spills.
  3. Discuss the methods to purify polluted air.
  4. Describe in detail about the bioremediation strategies.
  5. Explain in detail about the methods to uptake radionuclides from polluted sites.

 

 

 

Go To Main Page

Loyola College B.Sc. Plant Biology and Biotechnology April 2012 Cell Biology And Anatomy Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

THIRD SEMESTER – APRIL 2012

PB 3508/PB 3504 – CELL BIOLOGY AND ANATOMY

 

 

 

Date : 26-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

 

ANSWER THE FOLLOWING , EACH WITHIN 50 WORDS ONLY:                          (10X2=20)

 

  1. What is raphide?
  2. What is the role of peroxisomes?
  3. What are satellite chromosomes?
  4. Define Idiogram.
  5. What is a bordered pit?
  6. What is meristem?
  7. Define Endarch.
  8. What is bicollateral vascular bundle?
  9. Explain unilacunar node.
  10. What is paracytic stomata?

PART – B

 

ANSWER THE FOLLOWING , EACH ANSWER WITHIN 500 WORDS;

DRAW DIAGRAMS WHEREVER NECESSARY:                                                   (5X7=35 Marks)

 

  1. a) Write the principles and application of Scanning Electron Microscpe.

(OR)

  1. b) Describe the structure and functions of endoplasmic reticulum.

 

  1. a) Discuss the types of Nucleic acids.

(OR)

  1. b) Write notes on chromosomal nomenclature.

 

  1. a) Describe the stages of prophase –I of meiosis.

(OR)

  1. b) Write short notes on secretory tissue.

 

  1. a) Write an account on cambium.

(OR)

  1. b) Discuss the types of meristem.

 

  1. a) Give an account on stomatal types.

(OR)

  1. b) Explain anomalous secondary growth in Achyranthes

 

 

PART – C

 

ANSWER ANY THREE OF THE FOLLOWING, EACH WITH 1200 WORDS;

DRAW DIAGRAMS WHEREVER NECESSARY:                                                  (3X15=45 Marks)

 

 

  1. Write a detailed account on the ultrastructure of chloroplast and its functions.
  2. Describe giant chromosomes.
  3. Give an account on xylem.
  4. Discuss the theories relating to apical meristems.
  5. Describe the anomalous secondary growth in dicot stems.

 

 

Go To Main Page

Loyola College B.Sc. Plant Biology and Biotechnology April 2012 Biophysics Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FIFTH SEMESTER – APRIL 2012

PB 5408 – BIOPHYSICS

 

 

 

Date : 30-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

PART A

                                        

Answer the following, each answer within 50 words:                                        (10 x 2 = 20 marks)

 

  1. Define Brownian movement.
  2. What is sedimentation?
  3. Define osmosis.
  4. What is a buffer?
  5. Mention any two properties of colloids.
  6. What is isoelectric focusing?
  7. Define Beer-Lamberts law.
  8. What is fluorescence?
  9. Define radioactivity.
  10. What is free energy?

 

PART  B

 

Answer the following, each answer within 500 words:

Draw diagrams wherever necessary:                                                                  (5 x 7= 35 marks)

 

  1. Write notes on sedimentation and factors influencing it.

(or)

  1. Give a brief account of the kinetic theory of gases.

 

  1. Explain in brief about osmosis and factors affecting osmosis.

(or)

  1. Write notes on the various methods for preparing solutions of different concentration.

 

  1. Give an account of colloids, their properties and classifications.

(or)

  1. Write short notes on the principles of chromatography.

 

  1. Explain briefly about the properties of light.

(or)

  1. Discuss in brief about the fluorescence microscopy and its applications.

.

  1. Write short notes on radioactive decay.

(or)

  1. What are the various laws of thermodynamics?

 

 

 

 

PART C

 

Answer any three of the following, each answer within 1200 words:

Draw diagrams wherever necessary:                                                             (3 x 15= 45 marks)

 

  1. Discuss in detail about the principles and types of centrifugation.
  2. What is pH? Write detailed notes on the measurement of pH and the biological importance of pH.
  3. Explain in detail about various types of chromatography.
  4. Give a detailed explanation on the structure and functioning of scanning electron microscopes.
  5. What are radioisotopes? Explain in detail about the applications of radioisotopes in biology.

 

Go To Main Page

Loyola College B.Sc. Plant Biology and Biotechnology April 2012 Bioinformatics Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FIFTH SEMESTER – APRIL 2012

PB 5407 – BIOINFORMATICS

 

 

 

Date : 27-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

PART-A

 

Answer the following each within 50 words:                                                                              (10×2=20)

 

  1. What is SWISSPROT?
  2. What is a quaternary structure of a protein?
  3. What are the applications of BLAST?
  4. Define Dot-matrix.
  5. Explain ORF.
  6. Differentiate between exons and introns.
  7. What are motifs?
  8. List four protein interaction databases.
  9. What is a 3D structure of a protein?
  10. What is homology modeling?

 

 

PART-B

Answer the following each answer within 500 words; Draw diagrams wherever

Necessary:

                                                                                                                                                  (5×7=35)

11.(a) What is a biological database? Explain nucleic acid databases in detail.

OR

(b) Explain the different structural levels of a protein.

12.(a) Differentiate between pair wise alignment and global alignment.

OR

(b) List out the application of alignments.

13.(a) What is a restriction enzyme? Give an algorithm to predict the restriction sites in a protein

sequence.

OR

(b) Give an account on genomic database.

14.(a) Explain any three post translational modifications of a protein.

OR

(b) Briefly explain about Pfam.

15.(a) Give a detailed description on molecular modeling and the techniques used for analysis.

OR

(b) Write notes on PubMed and MedLine.

 

 

 

 

 

 

 

 

PART-C

Answer any THREE of the following, each answer within 1200 words; Draw diagrams wherever necessary:                                                                                                                         (3×15=45)

 

  1. Explain protein sequence databases in detail.

 

  1. Draw a dynamic programming algorithm for ABCNJRCLCRPM

AJCJNCKCLRBP

 

  1. Explain the soft ware used for prediction of physical properties of nucleic acid sequence.

 

  1. What are signal peptides? Write a note on motif based databases.

 

  1. Give an account on RASMOL.

 

Go To Main Page

Loyola College B.Sc. Plant Biology and Biotechnology April 2012 Bioinformatics – II (Genomics & Proteomics) Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FOURTH SEMESTER – APRIL 2012

PB 4208 – BIOINFORMATICS – II (GENOMICS & PROTEOMICS)

 

 

Date : 19-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

PART –A (20 Marks)

Answer all the questions

  1. Choose the best answer:               (5×1= 5 marks)

 

  1. Which of the following nucleotide database belongs to Europe?
  1. GenBank b. EMBL      c. DDBJ      d.       UniProt
  1. What is the total number of genetic codes in a codon usage table?
  1. 20 b. 24    c. 60                d. 64
  1. Among the following post translational modifications, which is the most important?
  1. Acetylation b. Methylation        c. Phosphorylation      d. Glycosylation
  1. The following are protein family databases EXCEPT
  1. pfam b. PROSITE c. PRINTS        d. BiNGO
  1. The size of the spots in a microarray chip is
  1. 800microns b. 600 microns c. 400 microns d. 200 microns

 

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

 

  1. Psuedogenes are fully functional genes.
  2. Promoters are found only on the upstream of a gene.
  3. The set of proteins secreted by an organism is a proteome.
  4. PDB is a structure based database.
  1. The human genome project was completed in 1991.

 

     

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

 

 

  1. The size of human genome is__________________.
  2. The 5’ splice site is also called _________________.
  3. The web based tool used for the prediction of N-glycosylated sites is ________.
  4. The biological pathway database is ____________________.
  5. Gene ontology refers to ____________ and ______________ function of a gene.

 

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

 

  1. Restate the definition of a genome.
  2. List any one use of DNA sequencing.
  3. Give an example of a protein family database.
  4. What is a secondary database?
  5. Define a clade.

                                                        

 

 

 

 

PART-B                        

Answer the following, each in about 500 words; Draw diagrams wherever necessary.                                                                                              (5×8=40 marks)

 

  1. a. Explain about any two nucleotide databases.

(OR)

  1. Write about the different stages in DNA coiling.

 

  1.   a. What is a genetic code? Explain the significance of Codon Usage Bias.

(OR)

  1.   Define:
  2. Promoter ii. Enhancer iii. TSS   iv.  Core promoter.

 

  1. a. Discuss about any two protein family databases.

(OR)

  1. Provide your understanding on glycosylation and phosphorylation of

proteins.

 

  1. a. Describe SCOP as a domain structure database.

(OR)

  1. How will you study protein- protein interactions?

 

  1. a. List the goals and advantages of Human genome project.

(OR)

  1.   Comment on Gene Ontology resources.

 

 

PART-C                        

Answer any TWO of the following, each within 1500 words; Draw diagrams wherever necessary                                                                  (2×20= 40 marks)

                                                           

  • Elaborate on any two ab initio gene prediction programs.
  • Explain the post translational modifications of proteins and add a note on signal

peptides.

  • Outline the different levels of protein structure and describe a protein structure

database.

  • Examine the different steps involved in Phylogenetic tree building with

illustrations.

 

 

Go To Main Page

 

 

Loyola College B.Sc. Plant Biology and Biotechnology April 2012 Angiosperm, Taxonomy, Eco.Botany & Embryology Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

THIRD SEMESTER – APRIL 2012

PB 3506/3502 – ANGIOSPERM, TAXONOMY, ECO.BOTANY & EMBRYOLOGY

 

 

 

Date : 24-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

 

ANSWER THE FOLLOWING, EACH ANSWER WITHIN 50 WORDS ONLY:

(10 x 2 = 20 Marks)

 

  1. What is Author Citation?
  2. Expand ICBN, What is Binomial? Give one example.
  3. What is Cyathium?
  4. Explain Adnation in Solanaceae.
  5. Bring out the importance of Essential Oil.
  6. Give the Botanical name and Economic uses of Jute.
  7. Define Palynology and give its application.
  8. What is double fertilization?
  9. What is Parthenocarpy?
  10. Write short note on Cellular Endosperm. Give example.

 

 

PART – B                                                     

ANSWER THE FOLLOWING, EACH ANSWER WITHIN 500 WORDS:

DRAW DIAGRAMS WHEREVER NECESSARY:                                              (5 x 7 = 35 Marks)

 

  1. a) List the differences between Linnaeus, and Bentham & Hooker classifications.

(or)

  1. b) Write short notes on biochemical and molecular systematics.
  2. a) Enumerate the salient features of Poaceae and add a note on its economic

significance.

(or)

  1. b) Describe in detail the flower of Capparidaceae. Compare it with Anacardiaceae.

 

  1. a) Give Botanical name, Family and Morphology of useful part and uses of Opium and

Tobacco.

(or)

  1. b) List any three timber yielding plants and give their economic uses.

 

  1. a) Write brief account on Anther.

( or )

  1. b) Trace various changes associated with development of Ovule.

 

  1. a) Write a brief note on Apomixis.

( or )

  1. b) Write an account on Post Fertilization changes.

 

PART – C

 

ANSWER ANY THREE THE FOLLOWING, EACH ANSWER WITHIN 1200 WORDS:

DRAW DIAGRAMS WHEREVER NECESSARY:                                                    (3 x15 = 45 Marks)

 

  1. What are the different types of Botanical keys used for identification of angiosperm? Explain

its applications.

  1. Compare the salient features of Rubiaceae and Apocynaceae.
  2. Give the Botanical name, Family, Morphology of useful part and Uses of Rice, Wheat,

Maize, Red gram & Pepper.

  1. What is Cross Pollination? Explain in detail the different modes of Cross Pollination.
  2. Explain the development of Embryo in Capsella.

 

Go To Main Page

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Loyola College B.Sc. Plant Biology and Biotechnology Nov 2012 Principles Of Horticulture Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FIRST SEMESTER – NOVEMBER 2012

PB 1507/PB 1504 – PRINCIPLES OF HORTICULTURE

 

 

Date : 10/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

PART – A

[10 X 2 = 20]

ANSWER THE FOLLOWING, EACH WITHIN 50 WORDS:

                                                                                                                      

  1. What is pomology?

 

  1. Name any four famous gardens of India.

 

  1. What is a nursery bed?

 

  1. What is vermiculture?

 

  1. What is a rockery?

 

  1. What are pergolas?

 

  1. Name any two advantages of transplantation.

 

  1. What is pruning?

 

  1. Name any four cut flower of export importance.

 

  1. What is floriculture?

 

PART – B

[5 X 7 = 35]

ANSWER THE FOLLOWING, EACH WITHIN 500 WORDS,

DRAW DIAGRAMS, FLOW CHARTS WHEREVER NECESSARY:

 

  1. a) Write about the importance of watering and manuring in horticulture.

(OR)

  1. b) How will you plan a kitchen garden?

 

  1. a) Compare and Contrast green house and glass house.

(OR)

  1. b) Write an account on the importance of organic farming.

 

  1. a) Briefly describe terrace gardening.

(OR)

  1. b) What is bonsai? Add a note on its method of growing.

 

 

 

 

  1. a) Write an account on the types of flower arrangement.

(OR)

  1. b) Write short notes on a) mulching and    b) topiary

 

  1. a) Describe the establishment and maintenance of lawn.

(OR)

  1. b) Write an account on Ikebana.

 

 

PART – C

[3 X 15 = 45]

ANSWER ANY THREE OF THE FOLLOWING, EACH WITHIN 1200 WORDS,

DRAW DIAGRAMS, FLOW CHARTS WHEREVER NECESSARY:

 

  1. Write an essay on the garden implements and the accessories.

 

  1. Describe the various methods of vegetative propagation.

 

  1. Give an account on garden adornments.

 

  1. Write an essay on the routine garden operations.

 

  1. Describe the cultural practices involved in Rose cultivation.

 

Go To Main Page

 


 

Loyola College B.Sc. Plant Biology and Biotechnology Nov 2012 Principles Of Agriculture Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FIFTH SEMESTER – NOVEMBER 2012

PB 5409 – PRINCIPLES OF AGRICULTURE

 

 

Date : 16/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

Part A                                                                   (20 marks)

Answer the following, each within 50 words:                                                                  (10 x 2 =20 marks)

 

  1.  What is green revolution?
  2. Mention the tools used in seed sowing.
  3. Distinguish between alluvial and black soil.
  4. Enlist the sources of irrigation.
  5. Define organic farming.
  6. Mention any two nitrogen and phosphorus fertilizers.
  7. Differentiate intercropping from interplanting.
  8. What are Sets?
  9. Define a pest.
  10. Enumerate the importance and role of agricultural extension.

 

PART B                                                  ( 5 x 7 = 35 marks)

Answer the following, each within 500 words only. Draw diagrams and flowcharts wherever necessary.

 

11a. Give a brief account on classification of Agriculture

Or

  1. Briefly explain the agronomic practices followed in agriculture.

 

12a. Enumerate the effect of industrial effluents on soil and water.

Or

  1. Describe the methodology on agricultural soil collection and testing.

 

13a. Explain the role of major nutrients in crop growth.

                                    Or

  1. Give a brief account on the methods and time of application of fertilizers.

 

14a. Write notes on intercultivation and crop rotation

Or

  1. Describe the agronomic practices followed in sugarcane cultivation.

 

15a. Enumerate the characteristic features of weeds.

Or

  1. Explain the importance of integrated pest management programme.

 

 

 

 

 

 

PART C                                                  (3 x15 = 45 marks)

 

Answer any three of the following, each within 1200 words only. Draw diagrams and flowcharts wherever necessary:

 

  1. Discuss on current Indian agriculture scenario. Add a note on its concerns.
  2. Describe the methods of irrigation.
  3. Write an essay on Biofertilizers.
  4. Explain the types of cropping pattern in agriculture.
    20. List out the diseases and causal agents that affect paddy and wheat. Add a note on chemical

and biological methods to control the diseases.

 

 

Go To Main Page

 

 

Loyola College B.Sc. Plant Biology and Biotechnology Nov 2012 Plant Physiology Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FIFTH SEMESTER – NOVEMBER 2012

PB 5515/5509/5500 – PLANT PHYSIOLOGY

 

 

 

Date : 01/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

 

Answer the following, each with in 50 words each:                                          (10 x 2 = 20 marks)

 

  1. What are Antitranspirants? Give an example.
  2. What is Chemical potential?
  3. What are Trace elements? Give examples.
  4. Mention the deficiency symptoms of iron.
  5. List the Photosynthetic pigments.
  6. What is Photolysis of water?
  7. What is substrate level phosphorylation?
  8. Define reductive amination.
  9. What is bioassay?
  10. Mention the most important function of ethylene.

 

PART – B

 

Answer the following, each within 500 words each:

draw diagrams, flowcharts wherever necessary.                                         (5 x 7 = 35 marks)

 

  1. a) Explain the apoplast and symplast concept.

(OR)

  1. b) What is guttation? Bring out the differences between guttation and transpiration.
  2. a) Discuss the importance of Nitrogen, Phosphorus and their deficiency symptoms.

(OR)

  1. b) Draw and explain Donnan membrane equilibrium concept.
  2. a) Schematically represent the light reaction and mention its importance.

(OR)

  1. b) What are CAM plants? Explain the CAM pathway.
  2. a) Explain the ATP synthesis through oxidative phosphorylation.

(OR)

  1. b) Explain biological nitrogen fixation.

 

  1. a) Explain any five physiological roles of auxins.

(OR)

  1. b) What is seed dormancy? Explain the methods of breaking seed dormancy.

 

PART – C

 

Answer any THREE of the following, each within 1200 words. 

Draw diagrams and flowcharts wherever necessary.                                  (3 x 15 = 45 marks)

 

  1. Explain the mechanism of stomatal movement and the various factors affecting it.
  2. Explain the various concepts that will describe the absorption of mineral ions.
  3. Explain the pathway of carbon fixation in C4 plants. Bring out the differences between C3

and C4 plants.

  1. Draw and explain the Kreb cycle.
  2. Write an essay on the physiology of flowering.

 

 

Go To Main Page

Loyola College B.Sc. Plant Biology and Biotechnology Nov 2012 Plant Diversity -(Algology, Mycology, Bryology) Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FIRST SEMESTER – NOVEMBER 2012

PB 1505/1502/1500 – PLANT DIVERSITY -(ALGOLOGY, MYCOLOGY, BRYOLOGY)

 

 

 

Date : 08/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

PART –A

ANSWER THE FOLLOWING, EACH WITHIN 50 WORDS ONLY:                                    (10 x 2 = 20)

 

  1. Distinguish between Coenobium and Coenoctye.
  2. Write down the systematic position of Cyclotella.
  3. What is Dikaryotization?
  4. What are Gemmae?
  5. Mention any two features of Prokaryotic cells.
  6. What are Obligate parasites?
  7. List any four features of Hepaticopsida.
  8. What is Protonema?
  9. Comment on Biofertilizers.
  10. Name any two types of Lichens.

 

PART  – B

ANSWER THE FOLLOWING, EACH WITHIN 500 WORDS;

DRAW DIAGRAMS, FLOWCHARTS WHEREVER NECESSARY                   (5 X 7 = 35)

  1. a) Describe the sexual reproduction of P

(OR)

  1. b) Give an account of pigments in different classes of Alga.

 

  1. a) Discuss the life cycle patterns in algae.

(OR)

  1. b) Give an account of the salient features of Blue – Green Algae.

 

  1. a) Give an account on Alexopoulus classification of fungi.

(OR)

  1. b) Describe the asexual reproduction in Albugo.

 

 

  1. a) Enumerate the economic importance of Lichens.

(OR)

  1. b) Give an account on the structure of Funaria
  2. a) Describe the fruiting body of Polyporus with suitable diagram.

(OR)

  1. b) Write notes on the economic importance of bryophytes

 

PART –C

 

ANSWER THE FOLLOWING, EACH WITHIN 1200 WORDS;

DRAW DIAGRAM, FLOW CHARTS WHEREVER NECESSARY:                                     (3 x 15 = 45)

 

  1. Explain the classification of Algae proposed by Harold C Bold.
  2. Give an account of life cycle of Heterocious Fungus.
  3. Explain the structure and reproduction of Lichens. Add a note on its symbiotics relationship.
  4. Compare the gametophyte of Marchantia and Anthoecros.
  5. Write an essay on the economic importance of fungi.

 

 

Go To Main Page

 

 

Loyola College B.Sc. Plant Biology and Biotechnology Nov 2012 Plant Biotechnology Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FIFTH SEMESTER – NOVEMBER 2012

PB 5518/5512/5504 – PLANT BIOTECHNOLOGY

 

 

 

Date : 08/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

 

ANSWER THE FOLLOWING, EACH WITHIN 50 WORDS:                           (10 x 2 = 20 marks)            

  1. Define callus.
  2. What is an explant?
  3. What is a cybrid?
  4. Define vector.
  5. What are nod genes?
  6. Distinguish between intron and exons.
  7. Mention the role of Restriction endonuclease Type II.
  8. Define microinjection.
  9. Write notes on RAPD.
  10. What is Bt-gene?

 

PART – B     

 

ANSWER THE FOLLOWING, EACH WITHIN 500 WORDS.

DRAW DIAGRAMS, FLOWCHARTS WHEREVER NECESSARY:              (5 x 7 = 35 marks)

 

 

  1. a) Enumerate the importance of Plant tissue culture.

(OR)

  1. b) Give a brief account on the methods of sterilization.

 

  1. a) How are artificial seeds produced under in vitro condition?.

(OR)

  1. b) Write notes on cryopreservation.

 

  1. a) Describe the structure and organization of chloroplast DNA.

(OR)

  1. b) Write an account on the genetic organization of Ti plasmids.

 

  1. a) Briefly explain Polymerase Chain Reaction.

(OR)

  1.  b) Write short notes on

(i)   Cloning vectors

(ii)  Genomic library

 

  1. a) Give an account on DNA finger printing.

(OR)

  1. b) Write notes on importance of molecular markers in genome mapping.

 

PART – C     

 

ANSWER ANY THREE OF THE FOLLOWING, EACH WITHIN 1200 WORDS.

DRAW DIAGRAMS, FLOW CHARTS WHEREVER NECESSARY:               (3 x 15 = 45 marks)

 

  1. Write an account on callus culture and mention its significance.
  2. Give an illustrated account of Isolation and fusion of protoplasts.
  3. Describe the molecular interaction of Rhizobium with leguminous plants.
  4. Write an essay on Agrobacterium mediated gene transfer.
  5. Describe the development of transgenic plants with reference to insect resistance.

 

 

Go To Main Page

Loyola College B.Sc. Plant Biology and Biotechnology Nov 2012 Mycology Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FIRST SEMESTER – NOVEMBER 2012

PB 1509 – MYCOLOGY

 

 

Date : 10/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

PART – A

[10 X 2 = 20]

ANSWER THE FOLLOWING, EACH WITHIN 50 WORDS:

                                                                                                                      

  1. What is coenocytic mycelium?

 

  1. What is perfect stage of a fungus?

 

  1. What is conidium?

 

  1. What is ascus?

 

  1. What is a collateral host?

 

  1. What is basidiolichen?

 

  1. Write any two applications of yeast.

 

  1. What is an antibiotic?

 

  1. Name any two fungal toxin.

 

  1. What is superficial mycosis?

 

 

PART – B

[5 X 7 = 35]

ANSWER THE FOLLOWING, EACH ANSWER WITHIN 500 WORDS,

DRAW DIAGRAMS, FLOW CHARTS WHEREVER NECESSARY:

 

  1. a) Write an account on the fruiting bodies of Ascomycetes.

(OR)

  1. b) Describe the salient features of Basidiomycetes

 

  1. a) Describe the structure and importance of Aspergillus

(OR)

  1. b) Describe the structure of apothecium of Peziza.

 

  1. a) Briefly describe the life cycle of Polyporus.

(OR)

  1. b) Give an account on the structure and economic importance of Lichens.

 

 

 

  1. a) Write an account on the importance of Yeast.

(OR)

  1. b) Describe the industrial production of penicillin.

 

  1. a) Describe the diagnostic methods of fungal diseases.

(OR)

  1. b) Write an account on fungal toxins.

 

 

PART – C

(3 X 15 = 45)

ANSWER ANY THREE OF THE FOLLOWING, EACH WITHIN 1200 WORDS,

DRAW DIAGRAMS, FLOWCHARTS WHEREVER NECESSARY:

 

  1. Write an essay on the reproductive methods in fungi.

 

  1. Describe the life cycle of Albugo.

 

  1. Explain the various types of spores produced by Puccinia.

 

  1. Write an essay on the types and importance of mycorrhiza.

 

  1. Describe systemic mycosis.

 

 

 

Go To Main Page


 

Loyola College B.Sc. Plant Biology and Biotechnology Nov 2012 Medical Microbiology Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FIFTH SEMESTER – NOVEMBER 2012

PB 5405 – MEDICAL MICROBIOLOGY

 

 

Date : 10/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

Part – A

Answer the following, each within 50 words:                                                                  (10 x 2 = 20 marks)

 

  1. Comment on thymine dimerization.
  2. Mention the contributions of Elie Metchnikoff.
  3. Give the significance of β-lactam ring.
  4. Mention the antifungal antibiotics.
  5. Write short notes on precipitation reaction.
  6. What are toxoids? Give an example.
  7. Write about the causative agents of Histoplasmosis.
  8. Mention the salient features of Variola Zoster virus.
  9. Mention any 2 applications of ELISA test.
  10. Give the importance of DPT vaccine.

 

Part – B

Answer the following, each within 500 words.  Draw diagrams wherever necessary:      (5 x 7 = 35 marks)

 

  1. (a) Give the mode of action and practical application of gaseous chemosterilizers.

(Or)

(b) Explain the contributions of Edward Jenner and Louis Pasteur.

 

  1. (a) Briefly explain the Kirby Boyer’s test.

Or

(b) Give the sources, mode of action and application of penicillin.

 

  1. (a) Write notes on the normal microflora of skin.

Or

(b) Explain the use of complement fixation reactions in disease diagnosis.

 

  1. (a) Cite the pathogen and explain the disease cycle and control measures of chicken pox.

Or

(b) Write about pathogen, disease cycle and control measures of hydrophobia.

 

  1. (a) Give the structure of the pathogen and enumerate on control measures of AIDS.

Or

(b) Mention about pathogen, disease cycle and control measures of dermatophytosis.

 

 

 

 

 

 

 

 

Part – C

 

Answer Any THREE of the following, each within 1200 words, draw diagrams wherever necessary.                                                                                                                                                 (3 x 15 = 45 marks)

 

  1. Write in details on the role of radiations and temperature in controlling microbial growth.
  2. Describe the mechanisms of antibiotic resistance developed by the pathogens.
  3. Explain the outline of immunity.

 

  1. Write notes on pathogen, disease cycle, diagnoses and control measures of hepatitis.
  2. Give the pathogen and explain the disease cycle, diagnoses and control measures of malaria.

 

Go To Main page

 

 

Loyola College B.Sc. Plant Biology and Biotechnology Nov 2012 Immunology And Immunotechnology Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FIFTH SEMESTER – NOVEMBER 2012

PB 5406 – IMMUNOLOGY AND IMMUNOTECHNOLOGY

 

 

Date : 10/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

Part A

 

Answer the following each within 50 words:                                                                            (10 x 2 =20)

 

  1. Enlist the contributions of Louis Pasteur.
  2. Define passive immunity.
  3. What is a paratope ?
  4. Define opsonization.
  5. What is agglutination?
  6. Define immunodiffusion.
  7. Mention the function of bone marrow.
  8. What is meant by cell-mediated immunity?
  9. Define antiserum.
  10. What are polyclonal antibodies?

 

PART B

Answer the following within 500 words. Draw diagrams wherever necessary:                    (5 x7 = 35)

 

  1. (a) Write short notes on the contributions of Edward Jenner.

(or)

(b) Describe briefly the process of acquired immunity.

 

  1. (a) List elaborately the essential factors for antigenicity.

(or)

(b)  Elucidate the structure of immunoglobulin.

 

 

  1. (a) Write short notes on ELISA and its applications.

(or)

(b)  Explain the principle and process of counter current immunoelectrophoresis.

 

  1. (a) Describe briefly the B-lymphocytes with suitable diagram.

(or)

(b) Give a short account on cytokines and their functions.

 

 

 

 

  1. (a) Enumerate the applications of monoclonal antibodies.

(or)

(b)  Describe briefly the production and application of antisera.

 

Part C

Answer any three of the following each within 1200 words. Draw diagrams wherever necessary:                                                                                                                                                            (3x 15 =45)

 

  1. Describe in detail the principles and factors involved in innate immunity.
  2. What are antibodies? Explain in detail the various classes of antibodies.
  3. Give a detailed account on Western blotting and its applications.
  4. List the types of complement pathways and explain any one in detail.
  5. Give an account on the hybridoma technology and its applications.

 

Go To Main page

 

 

Loyola College B.Sc. Plant Biology and Biotechnology Nov 2012 Cell Biology And Anatomy Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

THIRD SEMESTER – NOVEMBER 2012

PB 3508/3504/4505 – CELL BIOLOGY AND ANATOMY

 

 

 

Date : 05/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

 

Answer the following, each within 50 words:                                                 (10 x 2 = 20 marks)

 

  1. State the principle of fluorescent microscope.
  2. What are lysosomes?
  3. Define karyotype.
  4. What is telomere?
  5. Define cell cycle.
  6. What are secretory cells?
  7. Define apical meristem.
  8. What is meant by exarch xylem?
  9. What is anisocytic stomata.
  10. What is unilacunar node?

 

PART – B

Answer the following, each within 500 words: 

Draw diagrams, flowcharts wherever necessary:                                         (5 x 7 = 35 marks)

 

  1. a) Briefly explain the working principle of phase contrast microscope.

(OR)

  1. b) Describe the ultrastructure of nucleaus.
  2. a) How are chromosomes classified.

(OR)

  1. b) Classify nucleic acids and add a note on histones.

 

  1. a) Draw and explain the different stages in Mitosis.

(OR)

  1. b) What are permanent tissues? Give an account on Schlerenchyma.

 

  1. a) Classify and explain the types of meristem.

(OR)

  1. b) Write a brief account on vascular cambium.

 

 

  1. a) Draw and explain the primary structure of a dicot stem.

(OR)

  1. b) Give a brief account on the anatomical features of Dracaena stem.

 

 

PART – C

 

Answer any THREE of the following, each within 1200 words;

Draw diagrams, flowcharts wherever necessary:                                          (3 x 15 = 45 marks)

 

  1. Describe in detail the structure and function of chloroplast.
  2. Give an account giant chromosomes.
  3. Draw and explain the different stages of meiosis.
  4. Give an account on theories of apical meristem.
  5. Explain anomalous secondary growth in Bignonia.

 

 

Go To Main page

Loyola College B.Sc. Plant Biology and Biotechnology Nov 2012 Genetics, Plant Breeding And Evolution Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FIFTH SEMESTER – NOVEMBER 2012

PB 5516/5510/5506 – GENETICS, PLANT BREEDING AND EVOLUTION

 

 

 

Date : 03/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

 

ANSWER THE FOLLOWING, EACH WITHIN 50 WORDS ONLY:                     (10x 2=20 marks)

 

  1. Define Genes
  2. What is test Cross?
  3. Define Muton.
  4. Mention the role of Stop codons.
  5. What is Thymine Dimer?
  6. What are Mutagens?
  7. Define emasculation.
  8. What is mass selection?
  9. Enumerate the Principles of Darwinism.
  10. What is a gene pool?

PART – B

 

ANSWER THE FOLLOWING, EACH ANSWER WITHIN 500 WORDS,

DRAW DIAGRAMS, FLOW CHARTS WHEREVER NECESSARY:                             (5 X 7 = 35 marks)

 

  1. (a) Compare and contrast incomplete dominance and co dominance with suitable examples.

(OR)

(b)        With the help of a checker Board explain law of independent assortment.

 

  1. (a) Describe the structure of a DNA.

(OR)

(b)        Explain the steps involved in post transcriptional modification.

 

  1. (a).      What is ploidy? Briefly explain allopolyploidy with examples.

(OR)

(b).       Write short notes on any two types of chromosomal aberrations.

 

  1. (a). Enumerate the main objectives of plant breeding.

(OR)

(b). Give an account on pure line selection and its importance.

 

  1. (a). Briefly explain  mutation theory.

(OR)

(b). Explain Lamarck’s theory of organic evolution.

 

PART – C

 

ANSWER ANY THREE OF THE FOLLOWING, EACH WITH IN 1200 WORDS;

DRAW DIAGRAMS, FLOWCHARTS WHEREVER NECESSARY:                            (3 X 15 = 45 marks)

 

 

  1. Discuss cytoplasmic inheritance with the help of suitable examples.

 

  1. Explain the steps involved in translation of mRNA in to polypeptide chain.

 

  1. Write notes on the mechanism of DNA repair.

 

  1. What is hybridization? Explain the types and steps involved.

 

  1. Give a detailed account on the concept of speciation and isolation according to synthetic theory.

 

 

Go To Main page

 

Loyola College B.Sc. Plant Biology and Biotechnology Nov 2012 Herbal And Ethanobotany Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FIFTH SEMESTER – NOVEMBER 2012

PB 5517/5511/5503 – HERBAL AND ETHANOBOTANY

 

 

 

Date : 06/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART –A

 

ANSWER THE FOLLOWING, EACH WITHIN 50 WORDS ONLY:                                    (10 x 02 = 20)

 

  1. Expand BSI
  2. What is Materia medica?
  3. Write any two medicinal properties of Andrographis paniculata.
  4. What is resin?
  5. Define Siddha system of medicine.
  6. Differentiate between alkaloids and phenolic compounds.
  7. What do you mean by Baram or Charam?
  8. What are suppositories?
  9. What is an active principle of a herb?
  10. Name the terpenoid extracted from Azadirachata indica. Mention its importance.

 

PART –B

 

ANSWER THE FOLLOWING, EACH WITHIN 500 WORDS;

DRAW DIAGRAMS, FLOW CHARTS WHEREVER NEECSSARY:                                        (5 x 7 = 35)                                                 

  1. a) Differentiate adulterants from substitutes. Discuss adulteration of drugs with two

examples

(OR)

  1. b) What is hydrotherapy? Mention its types and advantages.

 

  1. a) Explain the organoleptic properties of

(OR)

  1. b) Mention the active principle and medicinal uses of Vinca rosea and Zingiber officinale.

 

 

 

  1. a) Write notes on herbal preparation with respect to Herbal oil and Glycerites.

(OR)

  1. b) Discuss the extraction process for Resins and Tannins.
  2. a) How the ethnobotanical research is carried out in India?

(OR)

  1. b) Write notes on field work, literature, herbaria and musea.
  2. a) What is a patent? Discuss about it in the context of Intellectual Property Rights(IPR).

(OR)

  1. b) Write about the ethanobotanical study of Todas.

 

PART –C

 

ANSWER ANY THREE OF THE  FOLLOWING, EACH WITHIN 1200 WORDS;

DRAW DIAGRAMS, FLOW CHARTS WHEREVER NEECSSARY:                         (3 x 15 = 45)

 

  1. Explain How microscopic and physical evaluation of drug is carried out to detect

adulteration.

  1. Describe the chemical and anatomical characterization of Emblica officinalis. Add a note on its medicinal uses.
  2. Explain the methodology of preparation of the following:

i.Poultices,         ii. Compresses or Fomentations,         iii. Glycerites.

  1. Give a detailed account of the importance of ethanobotany in traditional system of medicine,
  2. Bring the knowledge of tribes towards disease diagnosis, treatment, medicinal plants and their

Cultivation.

 

Go To Main page

Loyola College B.Sc. Plant Biology and Biotechnology Nov 2012 Forestry Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FIFTH SEMESTER – NOVEMBER 2012

PB 5410 – FORESTRY

 

 

Date : 16/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART A

 

Answer the following, each within 50 words:                                                                     (10 x 2 = 20)

 

  1. What is a scrub jungle?
  2. Define edaphic factor.
  3. What is forest fire?
  4. List out the features of biosphere reserves.
  5. Define coppices.
  6. What are recreation forests?
  7. Mention the importance of aerial survey.
  8. What is wood preservation?
  9. Mention two methods for wild life protection.
  10. What is wasteland development?

 

PART  B

 

Answer the following, each within 500 words. Draw diagrams wherever necessary:    (5 x 7= 35)

 

  1. Enumerate the biotic and abiotic components of forests.

(or)

  1. Explain how climate and soil influence forests.

 

  1. Briefly explain about reserve forests and national parks and their importance.

(or)

  1. Give a brief account of afforestation and reforestation and their importance.

 

  1. Write notes on seed technology and nursery methods used in silviculture.

(or)

  1. Discuss the principles and importance of silviculture.

 

  1. Explain the importance of aerial survey and remote sensing in forest inventory.

(or)

  1. Give an account of forest utilization.

 

  1. Write short notes on the principles of forest economics.

(or)

  1. Briefly discuss about history of forest in India.

 

PART C

 

Answer any three of the following, each within 1200 words. Draw diagrams wherever necessary:                                                                                      

                   (3 x 15 = 45)

  1. Give an account on the types of forest in India.
  2. Explain the various destructive agents that threaten forests.
  3. Discuss in detail about agroforestry and social forestry.
  4. Write notes on various methods in the measurement of forest parameters.
  5. Explain in detail about the Indian Forest Policy of 1952 and Forest Conservation Act, 1980.

 

Go To Main page

 

Loyola College B.Sc. Plant Biology and Biotechnology Nov 2012 Angiosperm, Taxonomy, Eco.Botany & Embryology Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

THIRD SEMESTER – NOVEMBER 2012

PB 3506/PB 3502 – ANGIOSPERM, TAXONOMY, ECO.BOTANY & EMBRYOLOGY

 

 

Date : 02/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A     

 

ANSWER THE FOLLOWING, EACH WITHIN 50 WORDS:                              (10 x 2 = 20 marks)

 

  1. Define Author citation.
  2. What is ICBN?
  3. Mention any two characters of Capparidaceae.
  4. Write notes on the spikelet of Poaceae.
  5. What are millets?
  6. Give the botanical name for Tea and Coffee Plant.
  7. What is palynology?
  8. What is microspore?
  9. Define double fertilization.
  10. What is polyembryony?

 

PART – B     

 

ANSWER THE FOLLOWING, EACH WITHIN 500 WORDS,

DRAW DIAGRAMS / FLOW CHARTS WHEREVER NECESSARY:                 (5 x 7 = 35 marks)

 

  1. a) Give an account on the Botanical keys in the identification of angiosperms.

(OR)

  1. b) Write notes on:

(i)   Molecular systematic

(ii)  Binomial nomenclature.

 

  1. a) Describe the floral characters of Euphorbiaceae.

(OR)

  1.  b) Enumerate the characteristic features of the family Cucurbitaceaae.

 

  1. a) What are spices and condiments? Give the botanical name and the morphology of useful parts of

Clove, Ginger and Turmeric.

(OR)

  1. b) Mention the botanical name for Cotton, Jute and Manila hemp and give their uses.

 

  1. a) Describe the development of microsporangium.

(OR)

  1. b) Write notes on the modes of cross pollination.

 

  1. a) Write notes on Apomixis.

(OR)

  1. b) Describe briefly the structure and development of nuclear endosperm.

 

 

 

 

PART – C     

 

ANSWER ANY THREE OF THE FOLLOWING, EACH WITHIN 1200 WORDS.

DRAW DIAGRAMS / FLOW CHARTS WHEREVER NECESSARY:               (3 x 15 = 45 marks)

 

  1. Give a comparative account of Linnaeus and Bentham and Hooker system of classification
  2. Write the salient features of the family Apocynaceae. List any five economically important plants.
  3. What are Cereals? Mention the Botanical name, morphology of useful part and uses of any five

cereals you have studied.

  1. Describe the structure and development of Polygonum, Allium and Peperomia type of female

gametophyte.

  1. With suitable diagrams, explain the developmental stages of dicot embryo.

 

 

Go To Main page


 

© Copyright Entrance India - Engineering and Medical Entrance Exams in India | Website Maintained by Firewall Firm - IT Monteur