what is selective media
Define selective media. Define differential media.? Answers. Relevance. Rating Newest Oldest. Best Answer: Selective media is a type of media that selects for the growth of one type of organism, while inhibiting the growth of others. An example of Selective media is MacKonkey Agar. MacConkeyâs Agar is selective for gram-negative bacteria, while inhibiting the growth of gram-positive bacteria. Blood Agar is solely a differential media. This media is a nutrient agar that is differential for hemolysis. It is based on the ability of a microorganism to destroy hemoglobin and red blood cells.