Environmental Studies Coursesware


INDUSTRIAL WASTE MANAGEMENT - Y.A.V.A.S.N  Maruthi, Assistant Professor

  Environmental MicroBiology  

 Environmental MicroBiology Syllabus  



Y. AVASN Maruthi  M.E (Env. Engg)                                                                                                        

Assistant Professor


Ph :  (O)  91 891 2840328/329

         (R)    91 891 2596145


Department of Environmental Studies

College of Engineering Gandhi Institute of Technology and Management , Visakhapatnam

(Affiliated to Andhra University)

  Enviromental Microbiology


Microorganisms proved to be much more important to mankind than what would be thought of them earlier. During past few years applications of microorganisms to environment and industry in particular have enlarged tremendously .


Hope the readers would find the information appropriate to their requirements. Critics and Suggestions for further improvement of material are most welcome and shall be highly appreciated .


Y. AVASN Maruthi 

Assistant Professor

Department of Environmental Studies

College of Engineering GITAM




        e-mail :



        Environmental Microbiology

Chapter 1

Classification of living organisms-Status of Microorganisms-Morphology,Structure and characteristics of bacteria, viruses, molds, yeasts, algae, protozoa Etc. .

Chapter 2

Method of study of microbiology-microscope-staining techniques-culturing microorganisms-pure and mixed cultures. Nutrition of microorganisms- Nutrient substances and requirement of bacteria, yeasts, molds and algae-Classification of organisms according to the mode of nutrition. Effect of chemical and physical agents on Microorganisms. Temperaturre, pH, osmotic pressure-surface tension etc

Chapter 3

Growth rates and reprodution of microorganisms and factors affecting them. Metebolism of microorganisms-Enzymes and their importance-Nutrients as source of energy, cell building materials and as accessory substances-Carbohydrates,proteins and fat metabolism, aerobic and anaerobic respiration-Role of enzymes in respiration, fermantation. Variations- mutations induced and spontaneous

Chapter 4

Destructon,removal and inhabitation of microorganisms, sterilization and Disinfection and factors influencing them-chemical disinfectants and their application-Antibiotics.

Chapter 5

Microbiology of natural waters; domestic and industrial sewage-pathogenic organisms in water, Role of microorganisms in aerobic and anaerobic treatment of water and self purification of natural waters. Micrbiology of soil: carbon-sulpur-nitrogen and phosphorus cycles. Microbiology of air-air borne diseases-enumeration of bacteria in air.

Chapter 6

Microbiology of milk, diseases transmitted through milk-inspection and testing of milk-dairy products. Preservation of milk, meat, eggs, fruits, bread etc. Microbiology of food pathogens inspecting and testing of goods. Exploitation of microorganisms-uses of yeast, microorganisms as souce of protein, organic acids, chemotherpeutic agents etc., use in bioassay-biological control of pests.
Question Bank