Why do bacteria form biofilms?

Name four mechanisms employed by viruses to evade immune system ofhost. Briefly discuss any one of these.

What is role of inflammation in host defense against a pathogen?

Granulocytes

Mechanical barriers

Discuss the role of following in immune system:

Diphtheria

Rabies

Discuss the causative agent, symptoms and diagnosis of following diseases: 

 Explain the principal, construction and application of bacteriological incubator. 

Compare positive and negative staining methods with suitable examples..

semi-solid medium

differential medium

Explain the purpose of following culture media and give one example of each:

Discuss various mechanisms of action of antimicrobial drugs.

Explain the term active transport and discuss its role in nutrition uptake by bacterial cell.

Draw and discuss the generalized life cycle of fungi.

Explain the general structure of a bacterial cell.

What is BIOLOG and its application?

Explain the terms: phylogenetic tree and molecular characterization of microorganisms.