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What is the temperature at which MPN test is performed?

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+1 vote
in Environmental Engineering by (81.4k points)
What is the temperature at which MPN test is performed?

(a) 35^oC

(b) 37 ^oC

(c) 40^oC

(d) 45 ^oC

The question was asked during an interview.

My enquiry is from Biological Characteristic of Water in portion Quality of Water of Environmental Engineering

1 Answer

+2 votes
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Best answer
Right choice is (b) 37 ^oC

For explanation: MPN test is performed at 37^oC where different samples of water are mixed with lactose broth and incubated in test tubes for 48 hours.

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