MICROBIOLOGY Question Papers (Regular, Nov, 2008)

Code: 07A32305

SET: 1

1. Explain antibiotics? Write contributions in the field of chemotherapy.

2. Give the names and main distinguishing characteristics of the five kingdoms in Whittaker's classification.

3. Describe the structure of Pox virus and write about mode of replication.

4. Describe in detail the various steps involved in replication of lysogenic/temperate phage with illustration.

5. (a) Describe methods of cultivation of viruses. (b) How do you quantify viruses?

6. Write notes on :
(a) Media preparation
(b) Selective media
(c) Enrichment media
(d) Maconkey media

7. What are the characteristics of a colony on an agar plate? Illustrate with examples.

8. Explain Mycobacterium leprae:
(a) Morphology
(b) Toxin production
(c) Pathogenecity
(d) Diagnosis

SET: 2

1. Write the principle and method involved in AFB staining.

2. Compare and contrast between prokaryotic and eukaryotic cell structure.

3. Describe the structure, composition and multiplication of HIV.

4. Define prophage and lysogenic bacterium? Explain in detail about the lysogenic life cycle.

5. Write short notes on:
(a) Haemagglutination
(b) Cytopathic effects

6. Write short notes on the following:
(a) Oxygen toxicity
(b) Anaerobic chambers and anaerobic work stations.

7. Describe how selective and defferential media facilitate the bacteriological analysis of water samples.

8. Give an account on:
(a) Rabies
(b) Syphilis

SET: 3

1. Write about different types of light compound microscope and the principles involved.

2. Write about different groups of bacteria in the domain Archae and give the differences between archaebacteria and eubacteria.

3. Define viruses and explain their living and non-living characteristics.

4. Explain in detail replication and transcription in DNA viruses.

5. Write notes on:
(a) plaque
(b) bacteriophage
(c) cytopathic effects
(d) virions

6. Elaborate on the physiological functions of nutrients.

7. (a) Elaborate on the physiological functions of nutrients.

8. Write briefly on:
(a) Schick's test
(b) Toxin antitoxin mixture
(c) Formal toxoid and alum precipitated toxoid (APT)

SET: 4

1. Write the principle, working and applications of phase contrast microscope.

2. Compare and contrast between prokaryotic and eukaryotic cell structures.

3. Write in detail about structure and replication of temperate phage, taking an example.

4. Explain the rolling circle mechanism of viral replication.

5. Write short notes on:
(a) Primary cell culture
(b) prion
(c) virions
(d) plaque

6. (a) What is a pure culture? (b) What selective procedure would you use in the isolating from a soil sample?

7. (a) What are the biochemical tests used for the confirmation of E.coli from bacteria?
(b) Explain with at least two tests.

8. Write short notes for:
(a) Dengue fever
(b) Chickengunya virus