Biofilm in industries
Authored by Manandhar Prakash
Science
University
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5 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is Biofilm? choose the best option
Extracellular Polymeric Matrix
Exopolysaccharide
Microbial consortium attached to living or inert surface
Biologically active matrix of microbial consortium and extracellular substances with solid surface
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Biofilm formation starts with ...
formation of huge amount of EPS / EPM that holds directly first
attachment of planktonic / free-living microorganisms, that can produce EPS/EPM
attachment of microorganisms without the presence of water
intracellular enzymic hydrolysis of EPS produced by microorganisms
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Biofilm formation progresses in the following pattern;
Growth ---> Attachment ---> Colonization
Attachment ---> colonization ---> growth
Colonization ---> growth ---> attachment
Growth ---> colonization ---> attachment
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biofilm formation are often reported in
Dairy industries
Flour mills
Meat industries
All of the above
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a problem, faced due to biofilm formation?
Product loss
increase in corrosion rate
increase the fluid frictional rate
increase in product formation
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