JNTU Exam Papers Microbiology I-Sem Nov 2008

JNTU Exam Papers

Microbiology I Sem Nov 2008



1. Describe the History and Development of virology. [16]


2. Discuss the importance of Genetic and molecular characteristics for identification

of bacteria. [16]


3. (a) What is unique about the class deutermycetes making it different form other

classes of fungi.

(b) Describe the phenomenon of dimorphism as it exists in certain pathogenic

fungi. [8+8]


4. (a) Explain group translocation mechanism of nutrient transport.

(b) Describe the concept of nutrient transport in cells. [8+8]


5. Describe the methodology for the enrichment of the following bacteria:

(a) Thiobacillus thiooxidans

(b) Rhizobium

(c) Halobacterium

(d) Clostridium. [4×4]


6. How do microbes protect themselves against Osmotic pressure? [16]


7. Comment on the following antimicrobial agents

(a) Phenolics

(b) Halogens

(c) Soap

(d) Copper. [4×4]


8. What is a Standard operating procedure? Develop an SOP for autoclaving. [16]


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