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Name of the University : Acharya Nagarjuna University
Degree : M.Sc Microbiology
Document Type : Model Question Paper
Name of the Subject : Micro Organisms

Website : anucde.info
Download Sample Question Paper :  https://www.pdfquestion.in/uploads/7565-mscmicrobiology.pdf

ANUCDE  Micro Organisms Sample Paper

Part A :
1. Agrobacterium and its importance.
2. G + C ratio.
3. Symmetry of viruses.

Related : Acharya Nagarjuna University BBM/BHM Entrance Exam Question Paper Model : www.pdfquestion.in/7563.html

4. Prions
5. Thallus organization in micro algae.
6. Hetero thallism.
7. Sporozoa.
8. Fungi imperfecti

Part – B
9. (a) Describe the important contibutions made by Louis Pasteur.
or
(b) What are the three domains of Carl Woese classification ? compare the characteris tics of these domains
10. (a) What are the main criteria used in the classification of bacteria ? Explain the salient features of numerical taxonomy.
or
(b) Write classification and economic importance of archaeobacteria

11. (a) Describe the chemical structure of viruses.
or
(b) Write an essay on transmission of viruses.
12. (a) Sketch the classification of fungi down to the class level.
or
(b) Write the general features and economic importance of micro algae.

Microbiological Methods

Paper II – :
Part – A :
1. Phase contrast microscopy.
2. Use of hot air oven.
3. Pour plate method.
4. Winogradsky column.
5. Plaque assay.
6. HPLC.
7. SDS – PAGE.
8. Beer – Lambert Law.

Part – B :
9. (a) Write the principles and importance of scanning and transmission electron microscopy.
or
(b) Describe the composition and properties of general bacterial media.
10. (a) Write an account on different anaerobic culturing techniques.
or
(b) Explain the methods for maintenance and preservation of microbial cultures.
11. (a) Discuss the principles and applications of paper chromatography.
or
(b) Write a general account on different centrifugational techniques.
12. (a) Describe the principles and applications of UV – VIS spectrophatometry.
or
(b) Explain the use of radio active substances in biology.

Biochemistry

Paper III –
Part – A :
1. Chemo autotrophs.
2. Synchronous growth.
3. Substrate level phosphorylation.
4. Isoenzymes.
5. Reverse electron flow.
6. TRNA.
7. Pasteur effect.
8. Carboxydo bacteria.

Part – B :
9. (a) Explain the different methods bacterial growth measurements.
or
(b) Discuss the different modes of uptake of nutrients with suitable examples.
10. (a) Discuss the light reactions in an oxygenic phototrophs.
or
(b) What is methylotrophy ? Discuss the metabolism of methylotrophs.
11. (a) Discuss the inter relationship of Krebs cycle and Glyoxylate cycle.
or
(b) Differentiate anaerobic respiration and fermentation. Give an account of lactate fermentation.
12. (a) Discuss the different models of enzyme catalysis.
or
(b) Describe the structure and functions of nucleotides.

Environmental & Agricultural Microbiology

Paper IV :
Time : Three hours
Maximum : 100 marks
Part A : (5 x 8 = 40 marks)
Answer any FIVE of the following.
All questions carry equal marks.
1. Aeroallergens.
2. Water – borne pathogens.
3. Soil microflora.
4. Iron in soil.
5. Plant growth promoting rhizobacteria.
6. Azospirillum.
7. Etiology of blast of rice
8. Importance of seed treatment.

PART B : (4 x 15 = 60 marks)
Answer all the FOUR questions.
UNIT I
9. (a) Explain the significance of aeromicrobiology in relation to plant pathology.
or
(b) Write a detailed account on the anaerobic treatment of sewage.
UNIT II
10. (a) Describe the decomposition of soil organic matter.
or
(b) What are biogeochemical cycles ? Explain the role of microbes in nitrogen cycle.
UNIT III
11. (a) Describe the various types of mycorrhizal and write the importance of VAM fungi.
or
(b) What is biological nitrogen fixation ? Write the biochemistry involved in biological nitrogen fixation.
UNIT IV
12. (a) Elaborate various procedures for the development of disease resistant varieties.
or
(b) Write different symptoms caused by plant pathogenic bacteria.

Medical Microbiology

Paper V :
Time : Three hours
Maximum : 100 marks
PART A : (5 x 8 = 40 marks)
Answer any FIVE of the following.
All questions carry equal marks.
1. Significance of normal flora.
2. Bacterial endotoxins.
3. Clostridium tetani
4. Dermatophytes
5. Hepatitis – B
6. Stool examination for E – histolytica.
7. Antiviral drugs.
8. Anaerobic culture methods.

PART B : (4 x 15 = 60 marks)
Answer all the FOUR questions.
All questions carry equal marks.
9. (a) Enumerate chemical barriers to infection and discuss in detail interferons.
Or
(b) Discuss in detail the mechanism of inflammation and clinical symptoms associated with it.
10. (a) Discuss pathogenesis, epidemiology, laboratory diagnosis and immunoprophlaxis of Salmonella typhi.
Or
(b) Discuss subcutaneous mycoses.
11. (a) Discuss pathogenesis, epidemiology, laboratory diagnosis of influenza virus infection. Add a note on influenza vaccins.
Or
(b) Discuss morphology, lifecycle, clinical features and laboratory diagnosis of plasmo dium falciparum.
12. (a) Write an essay on the various methods of transmission of pathogens with examples.
Or
(b) Discuss role of biochemical tests in diagnosis of bacterial infections. Add a note on rapid biochemical tests.