1. Milestones in Microbiology
2. Microbial Taxonomy - Bergy’s and Molecular Taxonomy
3. Prokaryotes Morphology and Ultrastructure of Bacterial Cell
4. Other Prokaryotes 
5. Eukaryotes Diagnostic Features and Importance of Fungi and Protozoa
6. Virus Structure, Classification and its Characters 
7. Microscopy 
8. Culture Media and its Types
9. Types of Sterilization - Physical and Chemical Agents 
10. Microbial Staining and Types of Staining
11. Enumeration of Micro-Organisms and Culture Preservation Methods
12. Microbial Metabolism
13. Nutritional Types and Nutrient Requirements of Bacteria
14. Microbial Growth and its Phases
15. Microbial Genetics 
16. Mutation – Types and its Significance
17. Plasmids – Types and their Importance 
18. Microbial Ecology - Introduction and Types of Interaction 
19. Extremophiles and their Significance 
20. Aquatic Microbiology 
21. Influence of Physical, Chemical and Biological Factors on Aquatic Microbes
22. Microbial Biofilms 
23. Role of Microbes in the Production and Breakdown of Organic Matter
24. Role of Microbes in Sedimentation and Mineralization Process
25. Nutrient Cycle / Biogeochemical Cycle 
26. Sewage Microbiology 
27. Sewage / Waste Water Treatment 
28. Bioremediation 
29. Economic Significance of Aquatic Microbes