M.Sc. Microbiology (Semester Iv) (CBCS) Examination, 2017
WASTE MANAGEMNT TECNOLOGY
ECHOLOGY wateriI
Day Date: Friday, 21-04-2017 Max. Marks: 70
Time: 02.30 PM to 05.00 PM
N.B. Part- Questions NO.1 Compulsory.
Attempt any 4 questions from Part II
Figures to the right indicate full marks.
Answer to the Part I and Part II are to be written in
Same answer booklet only.
Part-I
Q.1 Rewrite the following sentences by selecting correct answer
from given alternatives:
14
Melanoidin pigments are present in industry waste water
water.
Paper and pulp Cyanide
Textile Distillery
2 Oil and grease present in industrial wastes are generally
removed process.
Chemical coagulation Physical
Chlorination Activated sludge process
3 EL Nion effect is observed in
Oceans Rives
Ponds Wells
4 In type of lake balance between activity of producer
organisms and consumer organisms is equal.
Eutrophic Oligotrophic
Mesotrophic All of these
5 Eatrhworms are generally used for the process of
composting.
Green manure Wormi h
Vermi Night Soil
6 The primary technique used in gathering audit information is

Documentation Audit interviews
Public disclosure Presentation
7 ISI tolerance limit of BOD for industrial waste effluents
discharged into public swer is ppm
100 200 500 1000
Page 2 of 2
8 method is used for industrial waste treatment by GEM.
Activated sludge process Biomethanation
Bioaugmentation Biofilm
9 The solubility of oxygen is very high at temperature.
10 20 30 40
1 In industrial waste treatment organism is responsible
for bulking of sludge.
Fungi Protozoa
Rickettsia Bacteria
1 Generally paper and pulp industry waste
of lignin.
10-20 20-40
50-60 70-80
1 gas is mainly responsible for green house effect.
Oxides of nitrogen Carbon dioxide
Ozone Oxides of sulphur
1 Inactivated sludge process, the floc formation is enhanced

Dyes Spargers
Proteins Metal ions
1C4) For effective aerobic biological treatment process, the
BOD:N:P ration must be maintained at
100:50:10 100:50:1
100:5:1 100:0:5:1
PART-II
Q.2 Write an essay on water tracing. 14
Q.3 Discuss in detail critical operating parameters in industrial waste
treatment.
14
Q.4 Write in detail novel method for pollution control with reference to
vermicomposting and root zone process.
14
Q.5 Write in short on any TWO of the following: 14
Characterization of distillery waste.
EL Nino and Acid rain
Enzymes and pollution
Q.6 Write short notes on any TOW of the following: 14
ELA and EA
Bioaugmentation
Types of biological treatments