Question 16

ESMCQ1 markNeeds review
Ten litres of the sample was filtered through a membrane filter and the filter was transferred to solid agar media which supports growth of coliform organisms. After incubation at 37 °C for 48 hours, the agar plates showed an average of 64 colonies per plate. What was the average concentration of coliform organisms (in Colony Form Units per unit volume) in the original water sample?
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2022ES

GATE ES 2022 · Paper 1

Environmental Science and Engineering · Original paper archive

Section
Environmental Science and Engineering
Question type
Multiple choice (MCQ)
Marks
1 mark

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