Biofilm in industries

Biofilm in industries

University

5 Qs

quiz-placeholder

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Biofilm in industries

Biofilm in industries

Assessment

Quiz

Science

University

Practice Problem

Medium

Created by

Manandhar Prakash

Used 7+ times

FREE Resource

5 questions

Show all answers

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