JNTU Exam Papers Microbiology 1st Sem Nov 2008

JNTU Exam Papers

Microbiology 1st Sem Nov 2008


1. Robert Koch was considered “Father of Modern bacteriology”. Explain. [16]


2. Describe Five-kingdom system of Whittaker’s classification of bacteria. [16]


3. Describe the methods of Asexual and sexual reproduction in fungi. [16]


4. Describe in detail iron transport which is useful in the metabolism. [16]


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

(a) Thiobacillus thiooxidans

(b) Rhizobium

(c) Halobacterium

(d) Clostridium. [4×4]


6. Define water activity. Explain how water activity influences the growth of different

microorganisms? [16]


7. (a) Describe the different methods of helozetion?

(b) What is the principle involved in an autoclave? [8+8]


8. Describe different methods of sterilization employed in a quality control laboratory

of a pharmaceutical or food Industry. [16]


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