Ph.D. Course Work Examination June July 2017
MICROBIOLOGY Paper III and Paper IV
Environmental and Agricultural Microbiology
Day Date: Friday, 30-06-2017 Max. Marks: 100
Time: 11.00 AM to 02.00 PM
Instructions: All questions are compulsory.
All questions carry equal marks.
Q.1 Explain in detail the principles and techniques for the isolation,
enumeration and identification of the dissimilatory sulphate reducing
bacteria.
10
Write short notes on any two: 10
Microbial life in hot springs
Biofilm development
Characteristics of tannery waste
Q.2 Explain in detail waste treatment by trickling filters. 10
Explain in short any two of the following: 10
Bioremediation of xenobiotic compounds
Preparation of Azotofertilizer
Acclimatization and isolation of microorganisms in waste water
technology.
Q.3 Describe in detail preparation and applications of Rhizobium
biofertilizer.
10
Write short notes on any two: 10
Microbial life under deep sea
Waste disposal control and regulations
Root zone technology
Q.4 Describe microbial life in hyper saline environment. 10
Write short notes on any two: 10
Constrains and priorities of bioremediation
Types of bioreactors
Treatment of antibiotic waste
Q.5 Describe in characteristics and treatment of dairy waste. 10
Write short notes on any two: 10
Phosphate solublizers
Epidemiology of plant diseases
Bioremediation of organic compounds