Practice question

MCQ

Question

Which of the following is true?

Options

Choose one · Correct answer highlighted

Agar has nutrient properties Chocolate medium is selective medium Addition of selective substances in a solid medium is called enrichment media Nutrient broth is basal medium Correct

Explanation

Nutrient broth is simple undefined basal medium containing peptone, beef extract and sodium chloride supporting growth of non-fastidious organisms without selective or differential additives. Agar lacks nutrients, chocolate medium is enriched not selective, and selective substances added create selective media not enrichment.

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