Differentiate between 'true experimental design' and 'quasi-experimental design.' Explain any one true experimental design with an example.

Explain the meaning of educational research. Differentiate between quantitative and qualitative approaches to conducting educational research.

What are the differences between genotyping and phenotyping.

Write a brief note on reef building corals.

How do microbes help in maintaining a clean environment?

Discuss any one type of microbial interaction.

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: