GK QUESTION#3924
Select the INCORRECT statement about Agar.
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Answer
C. It is used as a nutrient and source of fat of bacterial culture.
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Explanation
Choice C is incorrect. Agar is a polysaccharide gelling agent from red algae, used to solidify many culture media and in food preparations. It is not a fat source and generally serves as the medium's solidifying matrix rather than its main nutrient.