#1
7th May 2015, 11:16 AM
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Microbiology Question Papers Of Calcutta University
I am doing Microbiology Honours Part 1 Program from Calcutta University. Examination for the Part 1 Program will start in next month. The Exam schedule is released by the University. So provide me some last years question papers of Microbiology Honours Part 1 Program of Calcutta University that I can solve to get good marks.
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#2
28th December 2019, 02:44 PM
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Re: Microbiology Question Papers Of Calcutta University
Can you provide me the syllabus for Three-Year Honours Degree Course - Microbiology Honours – offered by University of Calcutta on which the question paper is based?
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#3
28th December 2019, 02:46 PM
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Re: Microbiology Question Papers Of Calcutta University
The syllabus for Three-Year Honours Degree Course - Microbiology Honours – offered by University of Calcutta on which the question paper is based is as follows: Paper I Group A: Biomolecules (50 marks) UNIT I 1. Stereochemistry: (15) General concepts on: Plane of symmetry, centre and axis of symmetry; Concepts of chirality; optical isomerism; geometrical isomerism; DL, RS nomenclature; Projection formula (Fischer & Howarth); Isomers: anomers, epimers. Stereochemistry of cyclohexane: idea of axial & equatorial bonds (related to chair form conformation), Important chemical reactions relating to configurations, Mutarotation and its mechanism. 2. Carbohydrates: (15) Definition, classification and structural concept of: Monosaccharides: Hexoses (only Glucose), Pentoses (Ribose, Ribulose, Xylose) Disaccharides: Sucrose, Lactose, Maltose Amino Sugars: Glucosamine, Muramic Acid Inversion (hydrolysis) of cane sugar. Chemical reactions of monosaccharides (glucose & fructose i.e., aldose and ketose) with HN03, Br2 - water, HI04, Phenylhydrazine. Principle of chemical estimation of sugar. Anomeric effect (Methylation effect). Polysaccharides: Chemical structure of Starch (αamylose, amylopectin), glycogen & cellulose. Smith degradation and enzymic hydrolosis of α-amylose & amylopectin. 3. Amino Acids: (10) Definition, classification, structure, stereochemistry of amino acids; Physico-chemical properties (Ionization & Biuret reaction) of amino acids. Amphoteric molecule, Zwitterion, pK values; Isoelectric point, Electrophoresis, Formol titration of Glycine (only reaction & principle). Reaction with Ninhydrin, FDNB, Dansyl & Dabsyl chloride, Fluorescamine, Van-slykes reaction. Reactions of carboxyl & amino groups. Synthesis of Glycine. Separation of amino acids by-Ion-exchange, Gel filtration, Paper Chromatography and Thin layer Chromatography. Peptides: peptide bond, biologically important peptides (glutathione, oxytocin-important functions). UNIT II 1.Proteins (15): Classification (Primary, Secondary, Tertiary, Quaternary- definition, examples) Forces that stabilize structure of proteins: H-bonds, hydrophobic interaction, electrostatic attraction, Van der Waal's interaction, dipole-dipole interaction. Types of proteins: i) Fibrous (α -helix, β - sheet, e.g. collagen): definition and structure. ii) Globular (Haemoglobin, Myoglobin): definition & examples. iii) Simple proteins and conjugated protein: definition & examples—physical denaturation and renaturation 2. Nucleic acid: (15) Purine, pyrimidine - definition and structure. Nucleoside, nucleotide: definition and structure. DNA & RNA: Double helical structure. A-DNA, B-DNA & Z-DNA (structure and differences). Chemical Properties: Hydrolysis (acid, alkali), enzymatic hydrolysis of DNA. General structure and types of RNA (tRNA, mRNA, rRNA). Viscosity, Buoyant density. Hyperchromic effect. Cot curve, Tm. 3.Lipids (10) Definition, nomenclature, classification - (simple, complex, derived lipids - structure & example) phospholipids, glycolipids, - (structure, composition); hydrolysis, saponification, saponification number, I2 number, acetylation, acetyl number, volatile fatty acid number - definition and related problems, Isomerism - cis-trans isomerism. Fatty acids: Saturated (palmitic acid, stearic acid), unsaturated (oleic acid): Structure of free fatty acids (example only). General chemical reaction of fatty acids - esterification. Hydrogenation and halogenations Suggested textbooks: 1.Finar, IL. Organic Chemistry, Part I and Part II. Syllabus for Three-Year Microbiology Honours University of Calcutta |
#4
9th April 2020, 03:05 PM
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Re: Microbiology Question Papers Of Calcutta University Microbiology Question Papers 1. Which of the following structures contains genes for enzymes and antibiotic resistance? Plasmid Pilus Capsule Plasma Membrane 2. Which of the following is the most important structure related to microbial attachment to cells? Flagellum Plasmid Peptidoglycan Glycocalix 3. Which of the following is not a gram-negative bug? Clostridium perfringens Vibrio cholerae Escherichia coli Bordetella pertussis 4. Which of the following is not true related to endotoxins? Endotoxins are secreted from cells. Can be linked to Meningococcemia Produced by gram negative microorganisms Can cause fever 5. Which of the following microorganisms stain well? Escherichia coli Legionella pneumophila Treponema Chlamydia 6. Which of the following microorganisms are not matched correctly with the appropriate isolation media? Fungi – Sabourand’s agar Neisseria gonorrhoeae – Pink colonies media Haemophilus influenzae – Chocolate agar Mycobacterium tuberculosis – Lowenstein-Jensen agar 7. Which of the following diseases and bacteria are matched up incorrectly? Cellulitis – Pasteurella multocida Tularemia – Francisella tularensis Gastritis – Heliobacter pylori Lyme disease – Yersinia pestis 8. Which of the following diseases and bacteria are matched up incorrectly? Treponema pallidum – Syphilis Tinea nigra – Cladosporium werneckii Borrelia burgdorferi – Lyme disease Yersinia enterocolitica – Diptheria 9. Which of the following is not true concerning Staphylococcus aureus? S. aureus is related to inflammation. S. aureus can cause pneumonia S. aureus can lead to acute bacterial endocarditis S. aureus does not make coagulase 10. Which of the following signs and symptoms is not linked to Haemophilus influenzae? Otitis media Pneumonia Malaria Epiglottis 11. The Tsetse fly is a transmission factor for which of the following organisms? Trichomonas vaginalis Trypanosoma gambiense Entamoeba histolytica Toxoplasma 12. The Ixodes tick is a transmission factor for which of the following organisms? Trichomonas vaginalis Leishmania donovani Babesia Giardia lamblia 13. Chagas’ disease is commonly treated with Nifurtimox and is linked to the ____ microorganism. Naegleria Schistosoma Wucheria bancrofti Trypanosoma cruzi 14. Which of the following is not fungal related? Cryptococcus neoformans Candida albicans Tinea nigra Chlamydiae 15. Which of the following is not a DNA virus? Adenovirus Calicivirus Papovirus Poxvirus 16. Which of the following is not a RNA virus? Reovirus Orthomyxovirus Deltavirus Herpesvirus 17. Which of the following viruses is not a double strand linear DNA virus? Poxvirus Papovavirus Adenovirus Herpesvirus 18. Which of the following viruses is not a single strand linear RNA virus? Togavirus Retrovirus Bunyavirus Picornavirus 19. The Tzanck test is not used on which of the following viruses? VZV HSV-2 HHV-8 HSV-1 20. Which of the following microorganisms has not been linked to UTI’s? E. coli Pseudomonas Klebsiella Haemophilus Answer Key 1. A 2. D 3. A 4. A 5. A 6. B 7. D 8. D 9. D 10. C 11. B 12. C 13. D 14. D 15. B 16. D 17. B 18. C 19. C 20. D |