andhrauniversity.edu.in Microbiology Question Paper Model : Andhra University

Name of the College : Andhra University
Degree : M.Sc.
Name Of The Subject : Microbiology
Document type : Model Question Paper
Website : http://andhrauniversity.edu.in/

Andhra University Microbiology Model Paper

Paper-1: MB 101:
Answer ALL questions : 5 X 5 = 25 marks.
1. Write short notes on any FIVE of the following
(a) Write the contributions of Pasteur and Beijerink.

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(b) Explain briefluy the structure and functions of bacterial cellwall.
(c) Briefly explain the concept of containment facility.
(d) Write a commonly used method for isolation of pure culture of bacterium.
(e) Distinguish between continuous and synchronous cultures.
(f) Distinguish between bacteria and mycoplasmas.
(g) Give a brief account of slime molds.
(h) Briefly explain the morphological features protozoa.

UNIT-1 :
2. (a) Discuss the kingdoms of organisms and phylogenetic tree.
Or
(b) Explain the importance of Beragy”s Mannual in bacterial taxonomy.
UNIT II :
3. (a) Write the special staining techniques for microscopic identification of Microorganisms.
Or
(b) Explain the importance of selective, differential and maintenance Microbiology.

UNIT III :
4. (a) Describe the reproduction and spore formation in bacteria
Or
(b) Explain the biochemical methods for measurement of microbial growth.
UNIT IV :
5. (a) Discuss the economic importance of fungi with examples.
Or
(b) Write on outline classification of algae by Fritsch.

Virology

PAPER-2: MB 102:
Answer ALL Questions : 5 X 5 = 25 marks.
1 Write short notes on any FIVE of the following
(a) Baculoviridae
(b) Geminiviridae
(c) Host range of viruses
(d) Virion associated enzymes
(e) Molecular associated enzymes
(f) Interference
(g) Viral Zoonosis
(h) Viral disease surveillance.
UNIT-I :
2 (a) Classify the RNA viruses of animals with examples.
Or
(b) Write the characteristics of sub-viral agents of plants
UNIT-II :
3. (a) How do you assay the animal viruses ?
Or
(b) Discuse the physical properties of viruses
UNIT-III :
4. (a) Explain the immunological responses of Animal host to virus infections.
Or
(b) Discuss the genome diversity in DNBViruses.
UNIT-IV :
5. (a) How does viruses gain entry into animal Hosts?
Or
(b) Explain the influence of biological and Physical factors on the survival and spread of viruses.

Biomolecules

PAPER-3: MB 103:
Answer ALL Questions : 5 X 5 = 25 marks.
1 Write short notes on any FIVE of the following
(a) Mutarotation
(b) Lipoproteins
(c) Ninhydrin reaction of amino acids
(d) Ramachandran’s plot
(e) Z-DNA
(f) Cytochromes
(g) Chemical structure and organization of membranes
(h) Oxidative phosphorylation.
UNIT-I :
2. (a) Write the importance chemical reactions of Monosaccharides.
Or
(b) What are phosphor lipids? Write their Chemical structures and functions.
UNIT-II :
3. (a) Describe the secondary, tertiary and Quaternary structures of proteins.
Or
(b) Describe the different methods of sequencing of proteins .
UNIT-III :
4. (a) Describe the structure and functions of different types of RNAs.
Or
(b) Write the chemical structure, dietary sources, biochemical function and deficiency diseases of riboflavin and niacin.

UNIT-IV :
5. (a) Describe the bacterial photosynthesis and the photosynthesis electron transport system. (15)
Or
(b) Describe the role of trace elements in Microbial enzymes.

Analytical Techniques

PAPER-4:
MB 104:
Time : Three hours
Maximum : 85 marks
1. Write short notes on any FIVE of the following: 5 X 5 = 25 marks.
(a) Fluorescent microscopy
(b) Negative staining technique
(c) TLC
(d) 2- electrophoresis
(e) Principles of colorimetry
(f) Optical rotatary dispersion.
(g) Units of radioactivity and isotopes
(h) RIA.

UNIT-I :
2 (a) Write the principles of different types of Electron microscopy and their applications. (15)
Or
(b) Describe the sample preparation for Phase Contrast Microscopy highlighting its principle and applications.

UNIT-II :
3. (a) Describe how sub cellular organelles can be separated by centrifugation. (15)
Or
(b) What is gel filtration? Describe how the Molecular weight of a protein can be determined by gel filtration.

UNIT-III :
4. (a) Describe the essential components of a UV- Visible spectrophotometer and its use in Biochemical analysis. (15)
Or
(b) Describe a method for determination of Osmotic pressure of a solution. How do you determine the molecular weight of a Molecule using osmotic pressure of a solution Containing the molecule?
UNIT-IV
5. (a) Describe the different methods of detection of radiation.
(15)
Or
(b) Explain manometric technique and its Applications.

UNIT-IV :
5. (a) Describe the different methods of detection of radiation. (15)
Or
(b) Explain manometric technique and its Applications.

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