M.Sc. (Semester IV) (CBCS) Examination Nov/Dec-2018
Microbiology
WASTE MANAGEMENT TECHNOLOGY
Time: 2½ Hours Max. Marks: 70
Instructions: Part-I Question 1 is compulsory.
Figures to the right indicate full marks.
Attempt any four questions from Part-II.
Answer to the two parts should be written in the same answer book.
PART I
Q.1 Rewrite the sentences by choosing correct answer from given alternatives: 14
In activated sludge treatment process, the floc formation is enhanced by
Metal ions Proteins
Dyes Enzymes
Stratosheric zone is important because it acts as
Dust filter bacteria filter
fog filter U. V. filter
The Primary treatment used in gathering audit information is
Presentation Public discloser
Documentation Adult interviews
Acid is present in Acid rain.
Sulphuric hydrochloric
nitric phosphoric
In COD test is used as strong oxidizing agent.
KmnO4 K2Cr2O7
Na2S2O3 K2feCN6
The BOD test is performed at oC temperature.
5 10
20 37
unit used to measure turbidity used of waste water.
IU CFU
CPU NTU
fluorescent dye is generally used for water tracing.
Rhodamine-B Neutral Red
Saffranine Eosin
MRT is Time.
Mean Cell Residence Major Cell Residence
Mutant Cell Resident None of these
10) The solubility of atmospheric Oxygen is very at oC.
37 25
20 5
11) In Industrial waste treatment method is used for Liquid-Solid separation.
Flocculation Sedimentation
Oxydation Ponds Activated Sludge Process
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SLR-VP-446
12) method have been popularly used for sludge dewatering in industrial
waste treatment.
Anaerobic sludge Sludge drying beds
Sedimentation Vaccum filteration
13) waste contains large amount of Lignin.
Paper and Pulp Textile
Distillery Cyanide
14) method is used for industrial waste treatment by GEM.
Biofilm Bioaugmentation
Biomethanation Activated sludge
PART II
Q.2 Write an essay on 'Eutrophication'. 14
Q.3 Discuss in detail characterization and treatment of Textile Industry Waste Water. 14
Q.4 Write on Microorganisms in waste treatment with reference to Sources,
enrichment, acclimatization and mass scale production.
14
Q.5 Write short answer. (Any two) 14
BOD and COD
Vermicomposting
Preservation and applications of GEM
Q.6 Write short notes on. (Any two) 14
Global Warming and Acid Rain
DO and HRT
Bioaugmentation