Thapar University 2006 M.Tech Environmental Engineering Environmental Microbiology - Question Paper
Thapar Institute of Engineering & Technology
B.Tech Electrical & Instrumentation (1st Year)
Final Term exam
EN102 (Environmental Microbiology)
M. Tech Env. Sci. (I-year)
Final Term Examination KN-102 (Hnvironmental Microbiology)
Date 5.12.2006
MM: 36
Time: 3 hr
Q1 Differentiate between 2x4=8
a) virion and prions by giving suitable examples.
b) Bacteriopage and cyanophage
c) Photophosphorylation and oxidative phosphorylation
d) Biosorption and bioaccumulation
Q2 Describe any four disinfectants with their mode action and application. 3
Q3 Give different biochemical pathways whereby glucose is utilized by microorganisms 3
indicating account of ATP yield.
Q4 Write short notes on ANY FOUR of the following 3x4= 12
a) Biocorrosion
a) Environmental genomics
b) Phytoremcdiation
c) Pollution indicators
d) Biomining
Q5 List any five bacterial genera found in domestic sewage. How can you enumerate the 4
microbial load in any waste water?
Q6 How can you differentiate between spore and cyst? What are the various physiological 3 features by which a spore becomes resistant to adverse conditions?
Q7 Why viruses are called as genetic parasites? Why there is no vaccine against HIV virus. 3
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