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What is the purpose of sampling during fermentation?

Answer and explanation

Correct answer: To check growth and product formation

The direct answer is A, to check growth and product formation. Fermentation is a biological production process in which microorganisms or cells grow and may make a desired product. Sampling means taking a small, representative amount of the culture at intervals and testing it. Step by step: a sample is collected safely; its cell growth, nutrients, product amount, pH or other useful properties may be examined; the results show whether the process is progressing normally; operators can then adjust conditions or decide when to harvest. Option A is correct because sampling supports monitoring and control of both biomass growth and product formation. Option B, decorating the fermenter, has no connection with process analysis. Option C, turning the medium into soil, is not the aim of fermentation and is scientifically irrelevant. Option D, renaming cells, does not measure growth or product and is not a bioprocess purpose. Sampling must be done carefully to avoid contamination and to obtain a meaningful result, but the question asks for its main purpose. Memory cue: sample during fermentation to know ‘how much organism and how much product’.

Related tags

SamplingFermentation MonitoringProcess Control

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